View Full Version : Interesting observation from CyberLink :-)
SealTooGreat
14th September 2007, 02:34
http://www.cyberlink.com/english/products/powerencoder/images/1hour_video_sp.gif
Exceptional Video Quality at Extremely High Compression Rates
CyberLink PowerEncoder MPEG-4 AVC Edition is a video capturing and file conversion application. You can convert files into high-quality compressed files using the MPEG-4 Advanced Video Coding (H.264) or MPEG-4 Simple Video Profile (SP) standards.
What is MPEG-4 Simple Profile (SP)?
MPEG-4 Simple Profile (SP) is designed primarily for devices with low processing power such as mobile and wireless devices and is ideally suited for video telephony, video-conferencing, or real-time desktop software encoding. MPEG-4 SP, also known as MPEG-4 Part 2, is a key video format adopted by Sony for its handheld entertainment device, the Sony PlayStation Portable (PSP)... more
... more info (http://www.cyberlink.com/multi/products/main_43_ENU.html) from CyberLink.
Dark Shikari
14th September 2007, 04:05
Oh great, another file size graph which completely ignores that whole "quality" issue. I can get MPEG-4 SP way smaller than MPEG-4 AVC... if I put x264 at --crf 15 and Xvid at quantizer 20.
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blutach
14th September 2007, 04:59
And watch it on a 1" screen! D'Oh!!!
Regards
bob0r
14th September 2007, 15:07
The Chuck Norris Algorithm can compress any format any length into one single byte, but i guess Cyberlink is not manly enough to add it to the graph.
Dark Shikari
14th September 2007, 15:24
The Chuck Norris Algorithm can compress any format any length into one single byte, but i guess Cyberlink is not manly enough to add it to the graph.More seriously, there is a real algorithm (it works!) that can compress any file down to zero bytes and uncompress it, losslessly. Get BARF (http://www.cs.fit.edu/~mmahoney/compression/barf.html)!
;) ;)
Shinigami-Sama
14th September 2007, 22:46
More seriously, there is a real algorithm (it works!) that can compress any file down to zero bytes and uncompress it, losslessly. Get BARF (http://www.cs.fit.edu/~mmahoney/compression/barf.html)!
;) ;)
I always thought that could work...
HyperHacker
14th September 2007, 23:52
Just storing the file data in the filename. :p I know of one other way to compress any file losslessly down to zero bytes, only problem is decompression takes a bloody long time. I should write a codec for it and post it.
foxyshadis
15th September 2007, 02:25
My design for the ultimate compressor would allow you to have any file name, as long as you left the date alone.
The compressor would upload your data to an FTP and the decompressor would download it again, with a name based on the file time. :p Given how slow some are, it might even be faster!
bob0r
15th September 2007, 15:17
Ill stick with Chuck Norris, 100% fail safe!
SealTooGreat
15th September 2007, 17:27
ROFLM ... MPEG-4 part X (aka Chuck) :D
Hard Core Rikki
16th September 2007, 05:38
Waddaf?? ASP beating AVC?
These folks need to check a few Doom9 encoding guides ASAP ;)
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