PGDEL/DECP05/Unit3/Ch03.10
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DECP 05: Developing e-Content
Standard Audio File Formats and Encoders
There are many formats for recording Audio. While it is true that Audio file could encounter full-length songs in something like .WAV format.
Audio File Formats
There is a wide variety of audio formats available today. It’s not possible to list details of all the file formats but following are the some of the file formats which are widely being used globally:
File Format | Compression | What it Plays On | Origin | Can Stream Online |
---|---|---|---|---|
.AAC
(Advanced Audio Coding) |
Lossy | iPod, iPhone, Zune, PSP, Nintendo DS1, mobile phones, cross-platform | Apple | Yes, Require Quick Time Plugin |
. FLAC | lossless | cross-platform operating systems, much software | Xiph.Org Foundation (open source) | NO. Not supported as yet |
.FLV Flash Video | lossy | Any Flash-equipped device, cross-platform | Adobe Software | Yes but require flash player |
.MP3 MPEG-1 Audio Layer 3 | lossy | cross-platform, cross-device | The Moving Picture Experts Group (AT&T-Bell Labs, CCETT, ISO) | Yes |
.WMA Windows Media Audio | Lossy (lossless in WMA-9) | Zune, Windows systems, cross-platform, | Microsoft | Yes |
More information on "Comparison of audio file formats" can be found here:
http://en.wikipedia.org/wiki/Comparison_of_audio_formats
http://www.fileinfo.com/filetypes/audio