m4a Decoder 8
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Updated: 2009-12-14 15:10:17 | windows | freeware | 1049 KB | Downloads: 398
M4A File Extension |
M4A Player |
M4A Codecs |
“Successor to mp3, m4a (and mp4) made popular by iTunes and iPods. ” |
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DVD Creator for Mac delivers a complete solution for Mac users to create DVD from AVI, MOV, 3GP, WMV, videos. It lets you customize the individual menu with favorite menu templates.
A simple run-length encoding ocmpression scheme that can be used in m4a Decoder
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Description for m4a Decoder
Successor to mp3, m4a (and mp4) made popular by iTunes and iPods. mp4 is a container that can store many sub-formats:
* Advanced Audio Compression (AAC), of which are different types: LC (low complexity), HE (high efficiency) to name a few. To encode your audio to be compatible with most audio players, use the LC compression type (used as default by this encoder). High Efficiency (HE AAC) uses SBR technology (not too different as mp3PRO) if the player knows about HE the extra frequency information can be decoded, otherwise half the audio quality will be missing on playback. A newer standard again for ultra low bitrates is AAC+ or AAC HE v2, this uses parametric stereo for even lower bitrates, dBpoweramp is able to decode every AAC type (excluding iTunes m4p protected).
* Apples Lossless (ALAC or ALE) this format is like Zip for audio, no audio quality is lost (audio tracks purchased from Apples iMS store are lossy aac).
File Extensions:
* .m4a are audio content only,
* .mp4 can contain both audio and video,
* .m4b these are identical to .m4a except the iPod knows to use them as audio books and allow book marking,
* .m4v are video files.
* .m4p protected audio format (tracks purchased from iTunes Music Store are protected), whilst dBpoweramp cannot decode these see Forum for details on fair use.
Adding ID tags to mp4 has standardized on the Apple iTunes format, although a competing Nero tagging format has emerged.
Decode: .m4a, .mp4, .m4p, .aac
Encode: .m4a (Apple Lossless, AAC: LC, HE & HE v2)
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