New H.265

[Andrew Reid]

The future codec for DSLRs is coming.


Was sent this by email today, thanks Tero

[url="http://techreport.com/discussions.x/23429"]http://techreport.co...ussions.x/23429[/url]

This will be more efficient at the same bitrate and this means better image quality. For example 24mbit would look something like 44mbit on current codecs.


[color=#000000][font=trebuchet ms', sans-serif][size=3]Over the past few years, H.264 video compression has permeated just about every corner of the tech world—YouTube, Blu-ray, cable and satellite HDTV, cell phones, tablets, and digital camcorders. Could it be just a year away from obsolescence? According to a [url="http://www.ericsson.com/news/120814_mpeg_244159018_c"]news release by Ericsson[/url], the Moving Picture Experts Group (a.k.a. MPEG) met in Stockholm, Sweden last month to "approve and issue" a draft standard for a next-generation video format. That format, dubbed High Efficiency Video Coding, or HVEC for short, will purportedly enable "compression levels roughly twice as high" as H.264.[/size][/font][/color]

[color=#000000][font=trebuchet ms', sans-serif][size=3]Ericsson's Per Fröjd, who chairs the Swedish MPEG delegation, comments, "There's a lot of industry interest in this because it means you can halve the bit rate and still achieve the same visual quality, or double the number of television channels with the same bandwidth, which will have an enormous impact on the industry." HVEC could make its debut in commercial products "as early as in 2013," claims Fröjdh. He expects mobile devices will be the first ones to make use of the new format, with TV likely to lag behind.[/size][/font][/color]

[color=#000000][font=trebuchet ms', sans-serif][size=3]That all sounds rather exciting. Halving bitrates while maintaining image quality would be fantastic for streaming web video. It might be advantageous for devices with high-PPI displays, as well, if they can offer better image quality at today's bit rates. However, hardware support could impede early adoption, since the hardware H.264 video decoders in today's mobile processors might not be compatible with the new standard[/size][/font][/color]

[HurtinMinorKey]

In theory, A codec like this will take more processing power to implement. Therefore, I doubt it will be onboard a dslr any time soon. It'll mostly be for playback.

[pietz]

i believe i already said this somewhere in this forum but 24MBit H.264 isnt all the same. it depends on the encoder (x264 being currently the best) and obviously on the internal settings. thats why x264 gives you different presets. the slower you go, the smaller your video file will be with comparable quality. cameras have to encode in real time thats why they need high bitrates because they dont have the option to do it slower. however its easily possible to encode 44MBit H264 video at about 10MBit (depending on the footage) without any visible lack of quality loss.

that means if H.265 can deliver videos 50% in size, but needs more processing power, its not twice as efficient. you can do the same thing with H.264! choose slower presets and speed up your processor to get smaller videos.