April 2005
Intermediate to advanced
800 pages
20h 52m
English
Content preview from A Practical Guide to Video and Audio Compression
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K
Source-Audio Formats
K.1 Relevant Audio Formats
A selection of formats that you might encounter when processing and encoding audio is enumerated in Table K-1.
K-1 A Variety of Audio Formats
| Format | Description |
μ-Law |
This is an old legacy codec for use in telephony applications. The μ-Law codec is widely available on UNIX-based systems. It may be worth being able to decode this, but it has few applications for an encoder nowadays. |
| a-Law | A variant on the μ-Law codec also used for telephony. The a-Law codec is of little use now that we have better codecs available. Being able to decode it may gain access to some legacy audio files. |
| AAC format | Part of the MPEG-4 standard but has been superseded by AAC+. This was originally developed as part ... |
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