New H.265 twice as efficient as H.264!

[Penton-Man]

Chapters and subtitles -

http://recombu.com/digital/news/4k-o...vi_M11319.html

[vargo]

Subtitles and chapters doesnt have anything to do with HEVC, it is a feature of the container format (and of course the playback environment). It is nothing new, it could have been done with H.264 just as easily. I have been including subtitles and chapters with all my encodes for the last 6 or 7 years.

[Penton-Man]

I see you’re not one to be fooled by marketing speak.

How about taking this one on, i.e. *the support of 4K games* part of it, as to the exact meaning and significance -
http://www.cnet.com.au/xbox-one-supp...-339344403.htm

[safta.cooner]

o boy twice as much compression!!!!, you dolts realize that more compression = a worse video experience, of course you dont, your incapable of it

[Penton-Man]

Originally Posted by safta.cooner

o boy twice as much compression!!!!, you dolts realize that more compression = a worse video experience, of course you dont, your incapable of it

Fully aware, see paragraph #4 where I laid out the materials and methods for Joe Kane’s next talk show topic -
https://forum.blu-ray.com/showthread...st#post7577294

Good-bye

[t.tom45]

Originally Posted by Penton-Man

Fully aware, see paragraph #4 where I laid out the materials and methods for Joe Kane’s next talk show topic -

Good-bye

Also people do not realize that uncompressed 1080p video looks the same as the overly compressed h.265 4k video

[vargo]

Here are some screenshots I have taken of a video clip encoded using HEVC. It was encoded using HM10.1 at 1080p using a bitrate of 2.1Mbps (2160kbps).





Sadly the pictures have been resized to 1600 and compressed to jpeg by tinypic. I don't have time to upload elsewhere at the moment.

Yes - the source material is very compressible, but moving forward a lot of the material we view (ie digitally shot) will be similarly clean and easy to compress. Nonetheless, the lack of bad artifacting is remarkable for a 1080p clip encoded at just 2Mbps.

It will only get better as commerical HEVC encoders appear, mature and are driven forward by competition.

The encoded clip is 3 min in length and available for anyone who wants to download it and play it.

[pentatonic]

Originally Posted by vargo

The encoded clip is 3 min in length and available for anyone who wants to download it and play it.

Link?

[Penton-Man]

Originally Posted by vargo

...Yes - the source material is very compressible, but moving forward a lot of the material we view (ie digitally shot) will be similarly clean and easy to compress...

Which is why I think I haven’t seen any demo of RED’s codec (at the Mbps levels they advertise about) showing an old [grain-containing] film.

[vargo]

Originally Posted by pentatonic

Link?

Apologies, I forgot the link.

The video clip is here:
http://labs.divx.com/node/127909

I used Elecard HEVC sample player.
http://www.elecard.com/en/technology...vc-player.html

A quad core system, or perhaps a fast dual core should suffice for the 1080p clip. In time, we will see much more efficient decoders.

Over the comings weeks and months I expect a lot of activity in relation to encoders and decoders, muxers etc. The HM encoder is extremely slow but already produces very efficient results.

[Canada]

Does any one know if current Blu ray players can play the new HEVC codec. Is the codec red by the player or can the Blu ray laser read any codec on the disk. If the codec isn't able to be read by the player is it something that could eventually be read if companies did firmware update.

[Canada]

Originally Posted by vargo

Here are some screenshots I have taken of a video clip encoded using HEVC. It was encoded using HM10.1 at 1080p using a bitrate of 2.1Mbps (2160kbps).





Sadly the pictures have been resized to 1600 and compressed to jpeg by tinypic. I don't have time to upload elsewhere at the moment.

Yes - the source material is very compressible, but moving forward a lot of the material we view (ie digitally shot) will be similarly clean and easy to compress. Nonetheless, the lack of bad artifacting is remarkable for a 1080p clip encoded at just 2Mbps.

It will only get better as commerical HEVC encoders appear, mature and are driven forward by competition.

The encoded clip is 3 min in length and available for anyone who wants to download it and play it.

2.1 Mbps awesome!

[vargo]

Originally Posted by Canada

Does any one know if current Blu ray players can play the new HEVC codec. Is the codec red by the player or can the Blu ray laser read any codec on the disk. If the codec isn't able to be read by the player is it something that could eventually be read if companies did firmware update.

No, existing Bluray players cannot play HEVC.

These players have hardware decoders - ie chips specifically designed to decode H.264, VC-1, etc. They can only do what they were designed to do, and nothing more.

The only possible exception (among Bluray players) is the PS3 which in theory has enough compute power to run a HEVC decoder in software. However this is simply a technical possibility - I don't have any specific information that this is planned and in fact it is quite unlikely.

[Canada]

Having a Blu ray player that could reach HEVC is one of the only reasons I would upgrade now as I don't have 3D.

[Canada]

Next Gen Compression

Standardizing HEVC

[Penton-Man]

Originally Posted by Canada

2.1 Mbps awesome!

Read this post carefully… https://forum.blu-ray.com/showthread...ng#post7670926

My point is (and no disrespect to vargo if he has any affiliation whatsoever with TOS as I am a Tears of Steel fan from way back… https://forum.blu-ray.com/showthread...rs#post7186967

But my point is that optimal compression produces images as visually transparent as possible to the original source. Whether it be compression advocates of HEVC or, for that matter, the RED codec (because one seldom knows for sure how much RED Kool-Aid one is being served on that site) as we go forward, for thorough evaluation, it be best to view samples at different bitrates to see how much they soften the uncompressed 4K source...or at least a ballpark internet screenshot simulation of different compression rates.

For example, such as samples of uncompressed 4K (be it 2160p60 or 2160p50 if you’re a Euro) vs. HEVC @ 10 Mbit/sec. vs. HEVC @ 5 Mbit/sec; otherwise, you really don’t know how much detail you’re losing in the compression process.

[Penton-Man]

Originally Posted by Penton-Man

...to see how much they soften the uncompressed 4K source...

Because, some serious teaching folks do not want their student audience to lose any detail when it comes to viewing for instance, the arachnoid granulations or, way down deeper and of more practical consideration, any tiny anomalies involving the Circle of Willis -
http://sites.duke.edu/ddmc/2013/06/26/4k-the-shoot/

Beecause someday that audience just may be operating on your brain!

[Steedeel]

Originally Posted by Penton-Man

Read this post carefully… https://forum.blu-ray.com/showthread...ng#post7670926

My point is (and no disrespect to vargo if he has any affiliation whatsoever with TOS as I am a Tears of Steel fan from way back… https://forum.blu-ray.com/showthread...rs#post7186967

But my point is that optimal compression produces images as visually transparent as possible to the original source. Whether it be compression advocates of HEVC or, for that matter, the RED codec (because one seldom knows for sure how much RED Kool-Aid one is being served on that site) as we go forward, for thorough evaluation, it be best to view samples at different bitrates to see how much they soften the uncompressed 4K source...or at least a ballpark internet screenshot simulation of different compression rates.

For example, such as samples of uncompressed 4K (be it 2160p60 or 2160p50 if you’re a Euro) vs. HEVC @ 10 Mbit/sec. vs. HEVC @ 5 Mbit/sec; otherwise, you really don’t know how much detail you’re losing in the compression process.

Penton man, what do you make of the curved 4k TVs coming to market?

[Steedeel]

Originally Posted by vargo

No, existing Bluray players cannot play HEVC.

These players have hardware decoders - ie chips specifically designed to decode H.264, VC-1, etc. They can only do what they were designed to do, and nothing more.

The only possible exception (among Bluray players) is the PS3 which in theory has enough compute power to run a HEVC decoder in software. However this is simply a technical possibility - I don't have any specific information that this is planned and in fact it is quite unlikely.

How about the PS4? Wonder if anyone knows if it will handle HEVC.

[vargo]

Originally Posted by Steedeel

How about the PS4? Wonder if anyone knows if it will handle HEVC.

Both next gen consoles will support HEVC.