Mp3HD: Difference between revisions
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Revision as of 19:34, 27 January 2022
| Filename extension(s) | .mp3
|
|---|---|
| Developed by | Technicolor |
| Initial release | 2009; 15 years ago |
| Latest release | 1.5 (February 2, 2010; 14 years ago) |
| Type of format | Lossless audio codec |
| Extended from | MP3, MPEG-1 Audio Layer III |
| Website | http://www.all4mp3.com/ |
MPEG-1 Audio Layer III HD, more commonly known and advertised by its abbreviation mp3HD, is an audio compression codec developed by Technicolor formerly known as Thomson.[1] It achieves lossless data compression, and is backwards compatible with the MP3 format by storing two data streams in one file.[2]
As of April 2013, the mp3HD website, specification and encoder software are no longer available, and promotion of the format appears to have been abandoned.
Encoding
So far, the only available mp3HD encoder is the Technicolor toolkit which contains a command-line encoder and decoder. This can be used with Exact Audio Copy to rip CDs to WAV and then automatically convert them to mp3HD files. Another method, only available for Windows is the mp3HD Converter, which converts already uncompressed WAV to mp3HD and can also decompress them back to WAV. Currently mp3HD supports CD audio (PCM) at 44.1 and 48 kHz sampling rates at 16 bit/sample.[3]
See also
References
External links
- All4mp3 | Learn - mp3HD (archived on February 16, 2013)
- All4mp3 | The tools - mp3HD tools (archived on March 22, 2013)
- mp3HD on Wikipedia
| Audio codecs: type/usage | for end-users to encode | on physical media etc. | legacy formats |
|---|---|---|---|
| Lossless | (Uncompr. LPCM) • ALAC • FLAC • Monkey's Audio • MPEG-4 ALS • OptimFROG • TAK • TTA • WavPack | MLP/Dolby TrueHD | La • LPAC/LTAC • RealAudio Lossless • RK Audio • Shorten • WMA Lossless • (others) |
| Lossy | (ADPCM formats) • AAC • AC-3 • MP2 • MP3 • Musepack • Opus • Vorbis | AC-3 • DTS • (Bluetooth codecs) | ATRAC • QDesign • Real Audio • RK Audio (lossy modes) • Speex • VQF • WMA |
| Hybrid lossless&lossy | OptimFROG DualStream • WavPack | DTS-HD MA • MPEG-4 SLS | ATRAC Advanced Lossless • mp3HD |