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- EIA Mini-Conference Report, October 20, 1992
-
- Submitted by Rita Brennan
- Media Standards
-
- Copyright 1992, Apple Computer, Inc.
-
- On October 20, I attended a one day Mini-Conference, hosted by the Electronics
- Industry Association, on emerging media technologies. Twenty-one brief talks
- and demos were squeezed into the one day session, some more relevant than
- others.
-
- Below is a brief synopsis of some of the more interesting demos and
- discussions:
-
- • On Screen Display Technologies
-
- Mitsubishi presented their closed caption system and discussed its role in
- their consumer video products. Insight Telecast, Inc. then discussed the
- companies plans to deliver smart VCR software by 2Q 93 that will let users and
- producers search on screen (TV or Monitor) for content information. For
- instance, a user will be able to search for a segment of video based on
- category and subject or title. Such information will be kept in on-screen
- tables for user perusal also. They hope to piggyback onto the close caption
- bandwidth. First customers are Viacom (cable giant), the Tribune Corp. and
- Scully Entertainment (owners of shows such as 90210 and Melrose Place). Their
- initial goal: do it over cheap TV interfaces. Interesting aside about the
- Insight Telecast discussion: a study they did claims that there are now
- something on the order of 21,000 programs on TV in a seven day span (including
- cable). Wow! No wonder there is a market for user programmable TV on demand.
-
- • Digital Video and HDTV
-
- Dr. Joseph Donahue of Thomson Consumer Electronics discussed the HDTV proposal
- put forth by the RCA/GE/Thomson/Sarnoff consortium to the FCC. Remember that
- the FCC HDTV Advisory Committee plans on selecting an HDTV system in February
- '93 with field test verification by Oct/Nov. 1993. Donahue discussed the
- concept of a whole world data stream, one in which all data would be digital
- and accessible via computers and new HDTV sets. Characteristics of their HDTV
- system are:
- - RF performance
- - excellent pictures and audio
- - MPEG II conformance
- - cost effectiveness
- - total flexibility of data packets (i.e., scalability will be possible).
-
- The connection between HDTV and multimedia was made by the digital video
- foundation the winning HDTV proposal should provide. This foundation will lend
- HDTV to applications such as broadcast TV, satellite transmissions, cable,
- telephone, data networks, prerecorded and telecast video, games, interactive
- multimedia and general digital computer data.
-
- Dr. Donahue then discussed an HDTV experiment the consortium carried out around
- the Washington D.C. area on Channel 38 which he claimed was very successful,
- but was sketchy about the technical issues being tested.
-
- After Dr. Donahue's presentation, I asked him what the consortium's plans are
- for harmonizing their work with SMPTE header/hierarchy. His response: "our
- format is extensible enough to include any of the SMPTE headers if that's what
- people want, but right now, we have our own format." Where have I heard that
- before?
-
- • New Video Media
-
- Hughes (partnering with Thomson Consumer Electronics) discussed their DirecTv
- product which they hope to make available by Dec. '93. They plan on using DBS
- (direct broadcast satellite) orbit allocations with unlimited power. Satellites
- are under construction to handle compression and a signaling station in the
- sky. These satellites, preported to have ubiquitous reach, will be downward
- compatible with NTSC by converting to NTSC signals when necessary.
-
- In the same session, William Craven of Emc discussed his company's product of a
- super VHS VCR modified (by them of course) to time decompress a satellite
- delivered movie for 2 viewing sessions. The movies will be delivered at 12-15
- Mbps. "Beam it down Scotty" (what I call it) will be announced in March 1994 in
- the US, May 1994 in Europe and July 1994 in Japan. No more midnight video shop
- runs in pajama's?
-
- • Interactive Video
-
- HP and TVAnswer presented their VCR like device which acts as a home based
- control center for service providers to feed into. This device "answers" calls
- from service providers who, for a monthly charge, will download information you
- want into your TV. Details were sketchy.
-
- The next presentation in this category, by Interactive Network, Inc. painted an
- interesting picture of computer based multimedia: that it is archival based and
- true interaction isn't really possible. But with their product, true
- interaction is possible with "live" television simulcast to local stations
- where company supplied "data jockeys" are available to receive your cues and
- answers and can respond to you just as interactively. Experiments were carried
- out over PBS channels across the country over 57-92 Khz of subcarrier FM
- frequency. Users dial into 800 numbers for connection set-up.
-
- Last, Carl Wegener of Philips gave a demo of a CD-I video game using full
- motion video. Carl claims he can fit 750 MBs per disk for 72 minutes of video
- for less than $1 per disk. While they claim they are not done with CD-I FMV, it
- is merely an extension of the Green Book standard and uses MPEG I too. Four
- planes are used for each CD: the back plane is for FMV, the two above it for 2
- graphics planes (for alpha, etc). and one on top for the cursor overlay. For
- NTSC, screen resolution is 352x240 for 30 fps. Hi-fi stereo audio too. Limited
- availability by Dec. 92. A later phase (late 1993) indicates real time Mac and
- PC compability.
-
- • The Home Automation Standard
-
- Dr. John Patterson of Tandy and Chair of the EIA home automation council
- discussed the CE-Bus Network for connecting household appliances and related.
- In summary, CE-Bus network compatible products will
-
- - provide a product networking environment in the home
- - promote communication between components
- - use traditional household wiring wherever possible.
-
- Networked A/V products are of interest (and it's growing) to the top 5% income
- group. Providing an interface between CATV and consumer electronics is one key
- goal for CEBus. What does CEBus do? one is technical: it handles signal
- distribution from outside the home and inside the home. The other purpose is
- standards and business related: the control of future home electronic products.
- CEBus media can be an ordinary power line, twisted pair phone wiring, coaxial
- cable, infrared light (alarms), low power radio (intercoms). It's future was
- unclear to me but I think it has potential if harmonization with home personal
- computers is in the wings.
-
- Most of the afternoon was devoted to audio technologies.
-
- • Digital Recording Formats
-
- Tandy stated that Digital Compact Cassette is their direction for audio
- distribution and Sony was pushing their new Mini-Disc format.
-
- In summary, here is my interpretation of the EIA's new media wish list:
-
- 1. MPEG (they want it bad and they want it NOW).
- 2. Advanced digital television (only one analog proposal is available now).
- 3. several (not glutinous) multimedia CD-ROM type data formats like CDTV, CDI,
- etc.
- 4. MPEG compatibility with computers and consumer devices (and HDTV).
-
- Perhaps what I learned the most from this conference came not from what was
- presented, but rather from what was not: no where did I see the merger and
- integration of neat and nifty consumer products with everyday personal
- computers. Even though companies like HP and Thomson are entrenched in computer
- company issues such as MPEG compression they gave the audience no indication
- that we are moving any closer to the convergence the two industries seem to
- want and need to survive.
-
- Worldwide Multimedia
- Standards & Assns.
- Standards
- EIA
- 26-OCTOBER-1992
-
-