Pixlet

From Wikipedia, the free encyclopedia

Pixlet is a video codec created by Apple Computer and based on wavelets, designed to enable viewing of full resolution, HD movies in real time at low DV data rates. According to Apple's claims, it allows for a 20-25:1 compression ratio. Similar to DV, it does not use interframe compression, making it suitable for previewing in production and special effects studios. However, this makes it poorly suited for broadcast use, due to high bitrates.

When it was introduced by Steve Jobs at Worldwide Developers Conference 2003, it was said that the codec was developed in cooperation with the animation company Pixar.

A Power Macintosh with at least a 1 GHz PowerPC G4 processor is required for real time playback of High-Definition Video.

Pixlet, while part of the cross-platform QuickTime, is only available on Macs running Mac OS X v10.3 or later.


v • d • e
Codecs implementations
(See Compression methods for methods and Compression formats and standards - for formats)
Video codecs
(Comparison)
MPEG-4 ASP
3ivx · DivX · FFmpeg MPEG-4 · HDX4 · Xvid		 H.264/MPEG-4 AVC
CoreAVC · QuickTime H.264 · x264		 Lossless
CorePNG · FFV1 · Huffyuv · Lagarith · MSU Lossless		 Others

Cinepak · Dirac · Indeo · VP3 · VP7 · Pixlet · Snow · Tarkin · Theora · WMV
Audio codecs
(Comparison)
General
ADPCM · ATRAC · Dolby Digital · Musepack · TwinVQ · Vorbis · WMA		 Speech/Voice
iLBC · IMBE · iSAC · QCELP · Speex		 Lossless
Apple Lossless · Dolby TrueHD · FLAC · Monkey's Audio · TTA · WavPack · WMA Lossless
Archivers
(Comparison)
Open Source
7-Zip · Ark · File Roller · KGB Archiver · PeaZip · The Unarchiver		 Freeware
DGCA · FilZip · GCA · IZArc · TUGZip · Zipeg · ZipGenius		 Commercial
ALZip · BOMArchiveHelper · MacBinary · PowerArchiver · Squeez · StuffIt · WinAce · WinRAR · WinRK · WinZip		 Command line
ARC · ARJ · JAR · bzip2 · compress · gzip · Info-ZIP · LHA · lzop · NABOB · PAQ · PKZIP · RAR · SBC · UPX
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