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MP3, AAC, WAV, FLAC: all the audio file formats explained

HappySounds

Active member
Feb 18, 2020
11
4
25
You describe AAC in your article as:

"AAC (not hi-res): Apple's alternative to MP3".

This is a significant distortion (sorry...).

Apple had no part whatsoever in the development of the standard. The standard was established in 1997 and was part of the standards for MPEG-2 and subsequently MPEG-4, but was not adopted as an audio-only format until Apple used it as the default standard for iTunes and the iPod. They definitely popularised it, but they did not invent it or even contribute to its development.
 

SeaBee

Member
Mar 7, 2020
1
0
20
You forgot an interesting audio format: Opus.
- completely free to use (not patent encumbered, royalty-free).
- better than MP3 or OGG in most cases, best quality at high compression levels.
- supported by Android (since v6 I think) and many softwares (VLC, FFMPEG. foobar2000, web browsers, ...)
Opus Wikipedia entry
Opus codec official site
 

chichaz

Member
Jun 18, 2020
1
0
20
FLAC is great... except that it will not play on Macs or iPhones without specific software (like VLC aka Videolan). Otherwise it's pretty much the perfect format. Apple strikes again :rolleyes:
 

botrytis

Active member
Jan 1, 2020
7
2
25
Sorry, MQA IS NOT LOSSLESS - it uses a lossy compression system. Please fix your erroneous error.

If the initial file is 96/24 and you put it through the MQA system it will come out 48/16 or 17. The bit depth of the file has been changed and removes and you will never get it back. MQA actually removes part of the file like MP3 does. Putting the same 96/24 file through a FLAC compressor the file will be smaller but will still have the 24 bit depth.
 

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