I just finished looking at “4 Technologies Worse Than Their Predecessors: Innovation isn’t always a good thing. Here are four technologies that are worse than what they replaced.” -Recently posted to CEPro by Jason Knott.  Of course, the first thing that caught my eye was the tag line about innovation not always being a good thing which reminded me of  the tag line on this blog.  It got me thinking about the larger philosophical question: of what is good when it comes to technology?

The first slide in the CEPro post is about 3DTV and Mr. Knott writes: “I don’t believe 3D will ever become pervasive in U.S. homes, not like Blu-ray will.”  To a degree I agree with him, 3DTV has serious obstacles to overcome.  In order for 3DTV to become mainstream, its video quality must improve (without the glasses), it must become less expensive for the end-user, and there must be more content available to the home user.  Certainly the movie studios are working to get the 3D content produced on their end, but very little is being done to bring it to television.  Price remains the biggest hurdle (the technology is there and will improve) – especially with the current economy.  Then again, all new technology is expensive at first, the “Catch-22″ is to get 3DTV mainstream enough that early adopters essentially subsidize people purchasing it on the “long tail” at lower prices.

I disagree with Knott’s assumption that Blu-ray will become pervasive; even as the price comes down and it reaches levels of mass awareness, new technologies and distribution media are becoming more readily available.  Blu-ray is just a “placeholder” and will not last as long as either VHS or DVD, nor will it reach the distribution levels that those media formats achieved.

Speaking of “placeholders”, the second slide in the series discusses CFL (Compact Fluorescent) Lightbulbs .  Certainly these light bulbs have energy-saving benefits over incandescent bulbs but at what cost?  Is the energy savings worth the decreased quality of light output?  Is it worth saving a few coal or nuclear generated kilowatts now only to have to deal with higher mercury levels in our landfills and watersheds a generation from now?  Only that next generation will be able to judge if the energy savings was worth the damage we did or did not do to the environment.

While LEDs are on their way and have the same price and quality issues to overcome as all new technology, I have chosen to adopt the CFLs in certain applications (not so with Blu-ray).  Our home owners association requires that an exterior light be on from dusk to dawn (I’m not sure why and may try to change this at the next meeting).  The light is controlled by a photo cell and I have replaced that bulb and all other exterior sconces with CFLs.  The light quality doesn’t matter quite so much in these applications, and I don’t feel quite so bad leaving lights on knowing that they are consuming much less electricity than their incandescent brethren.

The third slide in the series is titled Digital Music and Knott writs: “Sure, digital audio files are easier to manipulate, distribute, copy, etc. But do they sound better?”  Here we must ask our selves what it is that we want to hear.  Do we want accuracy of what the musicians sounded like, do we want to hear what the sound engineer was able to achieve, or do we want something else?

Allow me to draw parallels with the film industry and home theater, the goal is to re-produce in the home environment aural and visual experience as close to what the director intended as possible.  The result is a fantasy that has been cut and pasted – actors and musicians make mistakes, some get edited out completely while others are left in because they are minor and most people won’t catch them.  The issue that people raise with digital music is that the medium gives us a better ability to hear how the sound engineer and producer left the final product.  It’s not our fault, nor is it digital music’s failing as a medium that we are now able to hear things they didn’t expect us to notice through a “sloppy” (for lack of a better word) analog medium.  Digital Music may not sound as pleasing and may not be what the sound engineer intended,  but it is a better reproduction of what the artist and engineer achieved in the studio (though may not what they actually expected you to be able to hear).  Interesting distinctions.

The last slide discusses solar panels and while Knott prompted me to learn about Nitrogen Trifluoride, I disagree with his conclusion that solar panels are worse than their predecessors. From Green-Planet-Solar-Energy.com: “NF3 can and should be seen as a success rather than yet another problem. It breaks down when used, is less aggressive as a greenhouse gas than the Sulfur Hexafluoride (SF6) it is replacing, and its current level in the atmosphere and rate of increase are not yet a significant issue.”

Geology.com notes that even though NF3 is 17,000 times more potent as a greenhouse gas than carbon dioxide (based on equal mass samples), due to much lower concentrations of the gas it is not currently seen as a threat.  However, the amount of NF3 being found in the atmosphere does appear to be increasing at an alarming 11% per year.

Is NF3 an environmental concern, yes.  But don’t blame Solar Panels for this, NF3 is also used during the manufacture of liquid crystal flat-panel displays,  etched silicon products, and microcircuits. Many other industries have used the gas in recent years as an alternative to perfluorocarbons (source: Geology.com).

Solar Panels are an improvement over burning dirty coal and over the storage problems associated with spent nuclear fuel rods (not to mention the mining involved in both) and  NF3 is an improvement over previous chemicals used.

Before you decide not to install solar panels because their manufacture is detrimental to the environment: don’t buy a flat screen TV, computer, cell phone, iPod (and all other portable players), DVDs and CDs (or devices that play them).  (If you have these devices, please dispose of them in an environmentally friendly way.) From an environmental standpoint, even those petroleum/vinyl based LPs Knott enjoys listening to are an environmental disaster.  My recommendation to “green” audiophiles is the 78 rpm slate/shellac records from the pre-LP era listened to on a hand cranked Victrola style turn table.
We can rarely see the nature of something as good or bad at a particular instant in time; we need to look back to determine if something is truly good or bad.  This is best expressed in the Taoist parable of the Chinese Farmer.  As told by David Raffin:
“…an old Chinese farmer lost his best stallion one day and his neighbor came around to express his regrets, but the farmer just said, “Who knows what is good and what is bad.” The next day the stallion returned bringing with him 3 wild mares. The neighbor rushed back to celebrate with the farmer, but the old farmer simply said, “Who knows what is good and what is bad.” The following day, the farmer’s son fell from one of the wild mares while trying to break her in and broke his arm and injured his leg. The neighbor came by to check on the son and give his condolences, but the old farmer just said, “Who knows what is good and what is bad.” The next day the army came to the farm to conscript the farmer’s son for the war, but found him invalid and left him with his father. The neighbor thought to himself, “Who knows what is good and what is bad.”

Only future generations will be able to judge if we made the right choices when it comes to innovation and progress but we must try to make the best choices based on the information we have available.

Wi-Fi Direct

This is taken from a Business Week post: Wi-Fi Is About to Get a Whole Lot Easier

A consortium that includes Intel, Cisco, and Apple is set to release
new technology called Wi-Fi Direct that will turn a slew of gadgets
into hotspots…

—–

It looks like the portable device wireless mesh network is geting closer to reality. Ubiquitous, transparent, AND secure Wi-Fi distribution networks – as “Mike” comented on the above article: “This technology has been developed for years, yet only now do we see it
is close to getting to market due to cooperative agreements…”.  This technology also has wonderful upside potential not just for mesh network functionality, but for cloud computing.

What does this mean for companies like Autonet Mobile and services like uConnect that actually put Wi-Fi into cars via dedicated Wi-Fi routers? Why add another Wi-Fi distribution device in your car if your cell phone (and the cell phone in the car in front of you) are already providing you with a Wi-Fi signal?

Additional information on Wi-Fi Direct is available at:

http://www.wi-fi.org/news_articles.php?f=media_news&news_id=909

Ted

User Interfaces

When designing user interfaces in the custom and consumer electronics industries, we are taught that ease of use and consistency are two of the most important aspects of UI design and programming.  If the clients don’t find it easy to use, they will think it is your fault or the fault of the equipment.  Either way the project will reflect negatively on you or your product; and the client will be reluctant to recommend either in the future.

Creating a single UI that is consistently easy to use for a group of people is no easy task; after all we are all different.  The difficulty in using a UI may come from something as basic as the fact that either the UI or its location is not convenient for left-handed people.  Another common occurrence is height – what might be a convenient height for a 6’6” man is probably not going to be a convenient height for his 4’9” wife.  UI issues such as these can be overcome through compromise or redundancies.

Physical attributes and abilities aside, we are different mentally as well.  What makes sense to one person from a UI standpoint doesn’t make sense to another.  The challenge in this case becomes how easy it is to learn the operation of the UI and how trainable the user is.  As devices of modern technology become more widespread and users gain more experience with them, they are perceived as being easier to use.  The first time I held an iPod, its revolutionary interface was far from intuitive but it was very easy to learn and given the frequency with which the device is encountered, it can now be considered a good example of an easy to use UI.

But what about cases where we need a UI that is hard to use.  Though the concept sounds preposterous, these come up more often than you may think.  Perhaps the most widely used example of a user interface that was intentionally designed to be hard to use is the QWERTY keyboard.  When Christopher Sholes invented what turned into the modern typewriter, he spent several years working on the layout of the User Interface (keyboard).  The manual typewriter he had invented was prone to having the keys clash and jamb because people were typing the letters too fast.  Through trial-and-error rearrangements, he and his friends were able to slow the typists down by creating non-intuitive arrangements of letters that put the most common letter combinations on different rows and different ends of the keyboard.  The irony here is that by slowing down the typist, the typing process was sped up because less time was spent clearing jams. Remington and Sons made a few minor modifications shortly thereafter and the rest is history.

Why is the numeric keypad on a telephone opposite in design from that of the calculator?  I originally thought this was another UI designed to slow people down on early push button telephones.  In many areas the Dual Tone Multi-Frequency tones generated by push buttons needed to be converted the older style pulses every time a call was placed.  However, Todd Campbell wrote the following post for ABC News.com (but I found it on http://www.vcalc.net/Keyboard.htm)

“The real answer seems to lie in a study conducted at Bell Labs titled “Human Factor Engineering Studies of the Design and Use of Pushbutton Telephone Sets.” Published in the July 1960 issue of the Bell System Technical Journal….The study concluded that the three-by-three version with 1-2-3 in the top row was the easiest for people to master.

There was another reason as well. When it came time to match letters of the alphabet up with the numbers, putting 1-2-3 across the top made a lot more sense because it was the most natural way to get ABC in the top row….

All this raises another interesting question. When Bell Labs began exploring keypad layouts in the late 1950s they contacted all of the leading calculator manufacturers to find out why they had chosen to put low numbers at the bottom and high numbers at the top rather than the other way around. The answer, apparently, was a big shrug. It turns out that decision was largely arbitrary: no one had done any research about which layout was most convenient for users. Still, when it came time to place a numeric keypad on a computer keyboard, the calculator model with 7-8-9 at the top prevailed.”

The fact is that consistency remains the key to good User Interface design; it doesn’t matter whether it is a keypad, a keyboard, or a touch panel.  Through consistency of experience, even hard to use, or arbitrarily designed UIs can become easy to use for most people.

Our pocket sized electronic devices proved early on to be almost too easy to use, and before we knew it, we were able to dial phone numbers while sitting down without even thinking of making a call.  Technology has once again created the need for hard to use UIs and now we have keypad locks and hold switches on our pocket devices.  On the more serious side, we often do find ourselves in need of “locks” on controlled devices.  We don’t want to inadvertently turn on the gas fireplace when it is obstructed or some other unsafe condition exists; and we don’t want the kids to know what mom and dad have on the DVR.

As a recent convert from Office XP to Office 2007, I suppose I will even get used to that new user interface, but I will still get a chuckle every time I click on the “Start” icon to shut down my PC…

Ted

The Future of the Internet

Network Neutrality in all its various forms and interpretations will continue to be a hot topic over the coming years.  Related to this (and a hot topic in its own right) is the nature of the infrastructure and bandwidth available in the United States.  As higher bandwidth rates become more readily available in the United States, it may not be as necessary for us to prioritize packets in the manner that some people suggest (i.e., giving text emails a lower priority).

The other major issue with respect to the future of the Internet has to do with the business of assigning Internet Protocol addresses (IP addresses are the “phone numbers” of the Internet which allow different networks and devices to find and communicate with each other).  We are running out of IP addresses; when the current IP addressing system (IPv4) was established in 1977, it provided 4.2 billion possible addresses.    This was back before home computers became popular, when 28k modems were fast, and a computer with 256kb of memory had more than we could ever imagine needing. However, as computers began to enter the home and other consumer electronic devices become internet ready, more and more presences were created on the Internet.  Now we find ourselves (some believe) on a path to run out of addresses as soon as 2010.

If adopted on a wide scale, IPv6 could solve this problem by creating a new numbering system that would give us 340 trillion, trillion, trillion different addresses.  Surely that will give us another 33 years worth of addresses!  IPv6 has apparently been ready for implementation for more than a decade and is setup to run in tandem with IPv4 meaning that the old addresses will still work but newer sites will receive an IPv6 address.  How does this affect the future of the internet?  Well it could be everything we imagined Y2K to be, or it could be as mundane as Y2K actually was.

Ted

The “Analog Sunset”

For those of you that have been following various posts (by me and others) about the death of analog high definition sources, there was a June post on Blu-ray’s website that confirms and elaborates on much of what we have been writing.

The full 80 page agreement can be downloaded if follow a few links but the post summarizes the keypoint that….

“The “Analog Sunset” will be staggered. New players after December 31,
2010 must limit analog video output of BD content to interlaced
standard definition (480i/576i). Then, 2013 is the expiration date for
analog video: no player that passes “Decrypted AACS Content” to analog
video outputs may be manufactured or sold after December 31, 2013.”

Ted

Technological Innovation vs. Planned Obsolescence

The following is a reply to a HomeTheaterReview.com article:

There is a big difference between technological innovation and planned obsolescence.

Yes, to get the new features of HDMI, you will need need new gear.  You may not need to add new cables, many higher quality cables will meet the 1.4 spec just fine. HDMI 1.4 does have an option for a smaller cable (Type D I believe) but this looks to be for automotive and other small footprint installations.  I’m sure there will be an adapter if there is a need.

The truth of the matter is that HDMI was originally developed as a point to point (single source to single display) technology over short distances and we (the Custom/Consumer Electronics Industry have continually pushed its limits and features.  One of the big reasons (and advantages) for HDMI 1.4 is the Ethernet functionality.  This became necessary because people want to make legal (backup) copies of Blu-ray content or store it on their media servers.  Blu-ray has recently announced the “managed copy” requirement.  According to VideoBusiness.com, “Once they [the consumer] choose the option to make a copy, the Blu-ray player connects online to an authorization server, run by a studio, supplier or the AACS-LA. The authorization server then gives the go-ahead to make a copy.”  HDMI 1.4 is not planned obsolescence, it is fascilitating what is going to be available in the next year to year and a half.

More to point is the relationship between High Definition (HD is 1080p in this case) and digital copy protection.  Blu-ray will essentially turn off all analog HD outputs (via the Image Constraint Token) within the next one to three years and other HD sources will probably do the same.  Currently there is a grey area when it comes to HD – depending who you ask, anything above 720i might be HD (and then there are the various refresh rates to consider).  As we make the transition to all things digital, the division (and everything else) becomes much more clear.  Analog will be relegated to 480 (maybe even progressive), and HD will be a digital signal with copy protection.

I believe Jerry Del Colliano (the author) understands that the real issue is the digital content protection but he, like so many others in our industry, is far too quick to blame HDMI.

Ted

Network Neutrality

Network Neutrality has been a topic of political discussion for several years but has come to the forefront under the Obama Administration, which is a proponent of the concept.  I had no real understanding or feelings on the matter until a friend’s recent blog posts got me thinking about the global socio-economic issues surrounding the topic.

According to PC Magazine’s Encyclopedia: “(NETwork neutrality) A level playing field for Internet transport. It refers to the absence of restrictions or priorities placed on the type of content carried over the Internet by the carriers and ISPs that run the major backbones. It states that all traffic be treated equally; that packets are delivered on a first-come, first-served basis regardless from where they originated or to where they are destined….The Internet has had net neutrality since its inception, which has leveled the playing field for all participants. This is a very contentious topic because major carriers have lobbied the FCC to eliminate network neutrality in order to charge large sites for their traffic.”

Wikipedia adds that: “Network neutrality (also net neutrality, Internet neutrality) is a principle proposed for residential broadband networks and potentially for all networks.”

As Ken Carter mentioned in his speech in Rome (available on his blog: http://kennethrcarter.com/CoolStuff/2009/05/neutralita-della-rete-e-aspetti-socio-economici/#comments) “We think it is unfair to give preferential treatment to certain customers (those who are willing to pay more).  At the same time, we also think it is economically inefficient to mandate a single (or limited set of) Internet access options for everyone, including those who are willing to pay more for premium services. So, how does one determine which means of achieving differentiated services is socially permissible and economically desirable?”

In a capitalistic society, it is fair to give a better class or quality of service (QoS) to those customers who are willing to pay more.  This may not be a politically correct statement nowadays, but it speaks to the core of capitalism; and the United States is a capitalist country (for now).  However, PC Magazine goes on to clarify that…
”Although it might seem reasonable to charge extra fees to sites with huge traffic, the implications down the road are more alarming. If net neutrality were abandoned entirely, at some point, owners of all Web sites might have to pay the carriers’ fees to prevent their content from bogging down in a low-priority delivery queue.”

Now we begin to see that the issue of net neutrality is actually three separate issues:  Cost, Bandwidth (the amount of data that can be transferred), Speed (how fast the data is transferred), and Content (the type of data that can be transferred).

Another issue to add to the discussion is how wide a “net” to cast.  Depending on who is talking, “Net” can either refer to “Network” or “Internet”.  Nobody seems to apply the term to internal networks or “Intranets”, though I suppose this could be a third option as the Wikipedia definition above seems to suggest.

Access to the Internet is a telecommunications service and should be treated as such.  Whether the Internet Service Provider (ISP) is a cable company, a telephone company, or a satellite service provider, access to the Internet in the United States is a service that is sold to the consumer and the seller (or re-seller as the case may be) has every right to make a profit.  Thus, cost is the first issue involved in an Internet neutrality discussion.

I suppose that the proponents of net neutrality would like to have subscriber costs the same for everyone for any given class of service – i.e.: a 256 kbps connection costs $25 a month and a 1.5 mbps costs $75 (we will allow for some economies of scale).  My first argument against this is that it is government mandated price fixing that will eliminate competition in the marketplace.  Another argument against this approach is based on the premise that services cost more in certain areas because the provider’s costs are higher.  Are gas prices the same across the country? Cable TV service?  Electricity?  Phone service?  No, they are not and neither should network service.  No wonder most cable and telecommunications companies are against net neutrality.

The amount of data that is transferred (not just in terms of bandwidth but is terms of maximum data transfer amount restrictions as in the case of Comcast last year) is another topic of debate: should everyone be given the same transfer rate?  Should the bandwidth pipeline be fully opened for everyone?  This again becomes a consumer and provider cost issue – why should I pay for an ultra-high bandwidth connection (assuming it’s available) at home when I rarely have the need for anything near it’s capabilities.  Availability is another issue as many residences in rural areas are not able to receive broadband over DSL due to distance limitations, and Cable service is often not run to the street, never mind the houses.  Wireless may be an option in these cases, either via a locally broadcast ISP or a satellite subscriber service, but can we really expect these wireless services to be provided at the same cost as terrestrial based services?  In this case, net neutrality falls victim to demand, pricing, and available infrastructure.

Speed and bandwidth seem to go hand in hand, but there is a subtle distinction with respect to how packets of information are routed.  This is can be exemplified by looking at two sets of signals hypothetically sent out over the internet – the first is by Joe who sits at home all day updating his Twitter and Facebook status; the second is Joe’s neighbor Frank who has a VOIP (Voice Over Internet Protocol) phone and needs to make an emergency call to the poison control center.  Should these signals be treated equally, or should one take priority?  What about a personal Twitter post versus somebody searching the Internet for a job, or school, or streaming music?  Here, there are too many variables and it is not cost effective to prioritize signal routing on a large scale across the Internet – net neutrality must win this one, all information packets must be given the same priority level and routed at the same speed regardless of size or content.  In the future it may be possible and cost effective to give priority to certain emergency signals but I am against anyone being able to pay for priority routing across the Internet.  I am in favor of paying for the privilege to transmit more data but against regulating speed or priority status.

Content is another case where I stand in favor of net neutrality, though in some cases I am hesitant to do so.  The debate is over whether or not it is permissible for an ISP to block certain content from being transmitted or viewed over the Internet.  The primary argument against net neutrality in this case is when something is deemed morally reprehensible: extreme premeditated violence, illegal activities, and slanderous or libelous activities.  A recent case of a man video recording non-consensual sex with his unconscious girlfriend (and posting the video on the internet) has brought this issue to the forefront of the debate.

Sir Tim Berners-Lee who is credited as the inventor of the World Wide Web (http://en.wikipedia.org/wiki/Tim_Berners_Lee) is a proponent of net neutrality: “One of the things I always remain concerned about is that that medium remains neutral,” (http://news.bbc.co.uk/2/hi/technology/7613201.stm).  However, that same BBC post says that he too realizes that content is an issue that needs to be addressed, as he is increasingly worried about the way the web has been used to spread disinformation.  The article continues to say that there should be a system of labels and branding on websites to indicate trustworthiness (and by correlation – content).

Does the right to freedom of the press (as put forth in the United States Constitution) extend to the global Internet?  Probably not, but censoring or blocking content takes us down the familiar slippery slope of determining what is acceptable or offensive.  Who can do that in an impartial manner?  Labeling or branding websites has many of the same issues but is much less restrictive than simply blocking content.

So that’s two arguments in favor of network neutrality, and two against – I guess the “net” (outcome) is neutral!

As mentioned previously, it is important to remember that access to the Internet is a telecommunications service.  Current policy in the United States allows for tiered services with respect to cable television as well as phone service.

Cable subscribers sign up for certain cable packages that may include a few channels they don’t actually want in order to gain access to other channels that we do want.  The content is a tiered service, what is not tiered (yet) is the delivery time.  Regardless of what packages I subscribe to, I get the same programming at the same time as my neighbors.  I cannot pay extra to watch a show earlier – though by adding a Digital Video Recorder (DVR) subscription, I may pay extra to watch the show later than its air time!

Telephone services are also tiered.  Calls placed at various times through the day or night may carry different costs.  This is legally permissible and is done by the phone companies based on historically average call volumes throughout the day and throughout the week.  You can sign up for additional long distance or international calling plans which are all tiered services.  Again, what is not tiered is the time it takes for the call to come through; all person-to-person calls are routed with the same importance.

Electric rates are also tiered in the same respect: if you use more, you pay more.  If you use more electricity at peak times, you pay more.  But, everyone receives the same electricity at the same time (except in special circumstances).  There will always be network outages; this is true in cable distribution, telephone distribution, and electric utilities.  In certain extreme cases, the rules may change – or rules may come into effect where there were no rules previously.  Do we need rules to keep the Internet neutral, or just to manage the exceptions? (Again see Ken Carter’s blog: http://kennethrcarter.com/CoolStuff/2009/05/stefano-merlis-net-neutrality-paradox.)  Sir Tim Berners-Lee recognizes this paradox on his blog post (http://dig.csail.mit.edu/breadcrumbs/node/144) where he admits that “Yes, regulation to keep the Internet open is regulation. And mostly, the Internet thrives on lack of regulation. But some basic values have to be preserved. For example, the market system depends on the rule that you can’t photocopy money. Democracy depends on freedom of speech. Freedom of connection, with any application, to any party, is the fundamental social basis of the Internet, and, now, the society based on it.”

As I dig further into Sir Tim Berners-Lee’s blog, I see even more discrepancies with the previous definitions of network neutrality.  He defines net neutrality with this example: “If I pay to connect to the Net with a certain quality of service, and you pay to connect with that or greater quality of service, then we can communicate at that level….. Net Neutrality is NOT asking for the internet for free.  Net Neutrality is NOT saying that one shouldn’t pay more money for high quality of service. We always have, and we always will.”

This is contrast to the Wikipedia definition “A neutral broadband network is one that is free of restrictions on content, sites, or platforms, on the kinds of equipment that may be attached, and on the modes of communication allowed, as well as one where communication is not unreasonably degraded by other communication streams.”  One definition is strictly based on quality of service (QoS) while other definitions seek to introduce content and platforms into the mix.  In its strict networking definition, QoS is totally independent of content – data is data, and all data is equal.

Am I a proponent of Network Neutrality?  I guess that depends on how you define it….

Ted

HDMI Version 1.4

“HDMI (High-Definition Multimedia Interface) is the first and only industry-supported, uncompressed, all-digital audio/video interface. By delivering crystal-clear, all-digital audio and video via a single cable, HDMI dramatically simplifies cabling and helps provide consumers with the highest-quality home theater experience.” (http://www.hdmi.org/learningcenter/faq.aspx#1)

I recently came across a press release with some preliminary information on what is being talked about as HDMI version 1.4:

“Our goal is to address 5 key industry trends in the coming spec:

  • Networking
    • Consolidation of HD video, HD audio and now high speed data with the addition of Ethernet in the HDMI cable.
  • Audio Return Channel
    • Elimination of a S/PDIF cable by allowing a TV to send audio streams upstream to an A/V receiver for processing and playback over the HDMI cable
  • Performance
    • 4kx2k and 3D are high performance features to be met by increasing the upper limit of the HDMI link
  • HD in your Car
    • New connector specification for the auto industry as worlds’ largest auto makers move to digital HD video and audio for 21st century cars with HDMI
  • Smaller connector
    • New smaller 19-pin connector”

My concern revolves around the proposed change in the connector design and size.  The press release makes it a bit unclear as to whether this smaller connector is only for the automotive applications or if  it is a global change, though it certainly sounds like a global change.

I’m sure that any change in size, shape, and pin outs can be resolved with “dongle” adapters, and somebody will make money by designing and selling these. That’s a technical solution to a technical problem, but what about the philosophy and ethics behind this? Consumers have been relatively patient with the Consumer Electronics Industry over the past few years as we struggled with Blu-ray, HD-DVD, and conflicts and sync issues within early versions of HDMI. How much more will consumers take? Do they have a choice since Blu-ray will essentially turn off all analog HD outputs (via the Image Constraint Token) within the next one to three years?

The previously mentioned press release states that the new version of the HDMI specification is expected to be launched in the first half of 2009.  Hopefully they have reconsidered the connector…

Aside from the connector issues, the specification has some interesting advances and possibilities in the Ethernet, audio return channel, and performance enhancements.  Perhaps the addition of Ethernet is the reason for the change in connector design.  Since Ethernet is a totally new protocol that was previously unsupported, it is possible that v1.4 will not be compatible with previous versions – thus necessitating a change in connector design.  After all, there is only so much you can do with 19 pins.

Wait and see,

Ted

The Philosophy (and Psychology) behind Social Networking

Social Networking, Social Media, call it what you will – why is it so popular? Searching for “Twitter” on LinkedIn Answers pulls up over 500 questions – never mind the number of comments on why people Twitter, or what social networking site is better, or what the business applications are for Facebook. Five hundred questions about twitter. The bottom line is, Social Networking or Social Media applications have a huge following. By looking at the psychology and existentialist philosophy of Rene Descartes, Sigmund Freud, and most of all Jean-Paul Sartre, we can see why Social Networking is so popular.

Rene Descartes is most well known for the proclamation: “I think; therefore I am”, this was just the beginning for his journey of self-discovery. He also wrote: “Except our own thoughts, there is nothing absolutely in our power.” It is here that we find the first key towards Social Networking’s amazing popularity. Power and control, it is the classic battle of Id versus Ego.

According to Freudian Psychology, the Id is responsible for our basic drives and instincts: self-preservation, procreation, pursuit of pleasure, and avoidance of pain (pleasure principle). On the other hand, there is the Ego which “acts according to the reality principle; i.e. it seeks to please the id’s drive in realistic ways that will benefit in the long term rather than bringing grief.” (Quote and links from http://www.wikipedia.org/).

Jean-Paul Sartre’s existentialist philosophy holds that we can never really know our own existence due to the intrinsic subjective bias associated with self-examination. However, we can know and understand the existence of others since the observation of others is objective rather than subjective. Thus, according to Sartre, in order for me to prove my existence I must first recognize an “other” and confirm their existence objectively. Then, if the other recognizes me, I exist. This sounds a lot like following people on Twitter, adding people as friends on Facebook, etc.

In a world where so much is constantly changing, the individual seems powerless as things continually slip beyond our control. Thus, we revert to the one thing we can control – our thoughts. We have the ability through Social Networking to publish these thoughts freely and seeing them written down gives us pleasure in a way that is acceptable to the ego. Publishing our thoughts also gives us a bit of self-aggrandizement, which further satisfies the ego. Andy Warhol famously stated in 1968 that: “In the future, everyone will be world-famous for 15 minutes.” Social Networking gives us the (slim) chance to become world-famous. Even if we don’t achieve fame, the least we can hope for is that someone will read what we write and comment or follow us and confirm our existence.

That is why Social Networking is popular – it provides a confirmation that people exist and care.

Ted

Digital Video Sources and High Definition – Are they the same?

High Definition is digital, but not all digital is HD.

Just because a source is digital, does not mean that you are watching high definition on your video display device. This has as much to do with the capabilities of the display device and the connections between the source and the display as it has to do with the nature of the source.

Let’s begin with High Definition. In the United States, HD typically refers to any resolution at or above 720p (720 horizontal lines of resolution progressively scanned (or stacked) in a vertical array). However, as video technology progresses, we may see this format disappear and high definition in the future will only refer to the 1080 formats. While 720 is considered to be HD, the entry point for “True HD” is considered to be 1080p.

We will skip over the LaserDisc (an obsolete technology that never gained popularity) and begin our discussion of digital sources with DVD. DVDs are not high definition sources as the native resolution of the video on a DVD is 480 horizontal lines. Most DVD players have a de-interlacer that take the interlaced signal on the DVD and send a progressively scanned signal to the display device. More advanced DVD players (as well as some display devices) also have scalers built in that take the 480 lines of resolution and convert them to 720 or 1080. However, since the native resolution of the original source is still 480i, it can be successfully argued that this is not really a high definition source even though it is a digital source.

Satellite Broadcast Systems are digital, but do they qualify as high definition sources? It depends on what the real source is. Some channels (but not all) are native HD sources where the content is actually filmed in high definition. Thus, the content of these channels can be considered to be HD.

Most Cable companies also provide some HD content to their digital subscribers, as with satellite service, it depends on the channel as well as the individual program. It is important to keep in mind that the HD content is only available to digital cable subscribers, whereas all subscribers to satellite services are receiving digital content (though not necessarily in HD). Without the digital cable service and the digital cable converter box, you are receiving analog standard definition television signals.

So what about the digital transition, what kind of source will that provide? It will be very similar to digital cable in that, depending on the broadcast station, there will be some HD content available. After all, that was the driving force behind the transition to digital broadcast TV. With digital broadcast TV, it is important to understand that these signals are sent from a terrestrial transmitter and will have distance limitations. The advantages over traditional analog broadcasts are: there will be a little more range and better quality of service as long as you are within range. The disadvantage is that you will either get the signal or not, if you are out of range you will get nothing, not even a snowy picture – but you don’t want to watch “snow” anyway. Digital signals will also not work while moving so if you used to have a TV in the back of your vehicle (boat, camper, van, etc.), it won’t work with the new signal.

For now, the ultimate high definition source is the Blu-ray Disc (BD) which has the storage capacity to hold an entire feature film in 1080p video complete with lossless surround sound.

Having a high definition source does not necessarily mean that what you are watching is HD, there are two other factors: the connection from the source to the display, and the display itself. Even with a Blu-ray Disc player, if you don’t have an HD display device, you aren’t watching HD. Likewise, if the interconnect between source and display cannot support the HD signal, you won’t get HD on the display.

The best cable option to send HD from source to display is the HDMI cable (High Definition Multimedia Interface). The HDMI cable will support true HD video, up to 8 channels of digital audio, and a control signal; it is the most common way of sending true HD from source to display. Gaining in popularity among computer users is the DisplayPort which is compatible with HDMI via a small inexpensive adaptor.

Component Cables (the Red, Green, and Blue cable bundle often shipped with DVD players) are capable of passing HD signals up to 1080p for short distances. This is an analog signal so signal loss can negatively affect the picture whereas with a digital signal, the picture is either on or off.

Due to factors ranging from content protection to cost, analog outputs may not be around much longer on high definition digital sources. If analog outputs do survive on these sources, the manufacturers will scale the output down to a 480i signal for content protection so the point of having an analog output at all becomes moot. Thus, they will probably be eliminated to save cost as some Blu-ray manufacturers have already done.

From source to display (and everything in between), your picture will only be as good as the least common denominator. This has always been the case, digital doesn’t change that.

-Ted

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