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How Much Bandwidth for HDTV?

multiple-hdtvs.jpg

It’s clear that HDTV is exploding both in terms of content and consumer adoption. The latest stats I’ve heard are that Pricewaterhouse-Cooper predicts 60% HDTV penetration within five years, while Kagan is significantly more bullish in predicting 81% adoption by 2010. And check out the Multichannel News article from yesterday on how even independent cable operators are making HD a priority.

So how much bandwidth will this growth in HDTV require? Some cable operators believe that 10-20 Mbps per home is all they’ll need to provide. That covers 1-2 HD video streams and several standard-def streams. However, that view is probably short-sighted. As Verizon continues to offer more bandwidth, new uses for HD content and new television applications are bound to start showing up to eat away at any bandwidth available. Think about the number of TVs in your home, for example. At some point they will all be HD, which means multiple HD streams possible at any given time. Go beyond that and think of a multi-view experience, where multiple HD images are broadcast to a single screen, either for picture-in-picture or mosaic TV applications, or for gaming.

HDTV will continue to grow. So will its bandwidth requirements. 10-20 Mbps is probably just the beginning.

7 Responses

  1. [...] How Much Bandwidth for HDTV: Connected Home 2 Go [...]

  2. [...] How Much Bandwidth for HDTV: Connected Home 2 Go [...]

  3. Using DOCSIS 3.0 Comcast has demonstrated just under 40mbps for a single 6MHz channel. They’ve also shown speeds up to 120Mbps to a customer. So 10-20 is just a step toward higher levels.

    You are mixing the idea of streaming HDTV and broadcast HDTV in this post. Streaming will obviously take a very long time to become commonplace and demand multiple HDTV streams per home. On the way, SDV/VOD will supply much of the “streaming” need in its own way.

    - HDTiVo

  4. [...] The one issue I haven’t seen addressed, however, is the impact consumer-level 3D TV could have on bandwidth demand. Keep in mind, 3D TVs in your home are still quite a ways off, but they’ll get here eventually, and when they do, we’ll likely be having the same argument we’re having today around providing enough bandwidth for HDTV. [...]

  5. [...] no se pueden prestar por la falta de ancho de banda como la televisión de alta definición, que requiere de anchos de banda superiores a los que proporciona en la actualidad ADSL2+ que sólo se podrán conseguir con FTTH o [...]

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  7. [...] How Much Bandwidth for HDTV? « Media Experiences 2 Go – It’s clear that HDTV is exploding both in terms of content and consumer adoption. The latest stats I’ve heard are that Pricewaterhouse-Cooper predicts 60% HDTV penetration within five years, while Kagan is significantly more … [...]

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