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AIFF File Format with LPCM Audio
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Format Description Properties
• ID: fdd000116
• Short name: AIFF_LPCM
• Content categories: sound
• Format category: file format
• Last significant update: 2004-05-25
Identification and description ![Explanation of format description terms](info.gif)
Full name | Audio Interchange File Format (AIFF) with LPCM Audio |
Description | AIFF wrapper containing an LPCM sound bitstream. |
Production phase | Used primarily as a initial- or middle-state format, including use as a master file for audio captured live digitally or reformatted from analog sources. |
Relationship to other formats | |
Subtype of | AIFF, Audio Interchange File Format |
Contains | LPCM encoded audio |
Local use ![Explanation of format description terms](info.gif)
LC experience or existing holdings | None |
LC preference | General preference for recorded sound is WAVE_LCPM. |
Sustainability factors ![Explanation of format description terms](info.gif)
Disclosure | Fully documented; see AIFF and LPCM. |
Documentation | See AIFF and LPCM. |
Adoption | Widely adopted among Apple users engaged in professional audio work; some adoption beyond, although most Windows users select WAVE_LPCM, which is functionally equivalent. AIFF_LPCM is used as the master format by the Harvard University Library Digital Initiative audio reformatting activity. |
Licensing and patent claims | See AIFF and LPCM. |
Transparency | See AIFF and LPCM. |
Self-documentation | See AIFF. |
External dependencies | None |
Technical protection considerations | None known to the compilers of this document. |
Quality and functionality factors ![Explanation of format description terms](info.gif)
Normal rendering | Good support. |
Fidelity (support for high audio resolution) | Excellent to good, depending upon encoding parameters selected. |
Support for multiple sound channels | [Possible use of two-channel encoding with multiplexed data to provide support for additional channels. ?] |
Support for downloadable or user-defined sounds, samples, and patches | None |
Functionality beyond normal rendering | None |
File type signifiers ![Explanation of format description terms](info.gif)
Notes ![Explanation of format description terms](info.gif)
Format specifications ![Explanation of format description terms](info.gif)
URLs
• McGill University page listing specification documents.
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Useful references
URLs
•
AIFF by Paul Bourke of Australia (http://astronomy.swin.edu.au/~pbourke/dataformats/aiff/)
•
AIFF and AIFC format notes from the Object Systems Group, University of Geneva, Switzerland (http://cui.unige.ch/OSG/info/AudioFormats/ap02.html)
•
The File Extension Source (http://filext/com/)
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Last Updated: 03/ 7/2007