Re: Which Audio Formats are supported directly by CoreAudio
Re: Which Audio Formats are supported directly by CoreAudio
- Subject: Re: Which Audio Formats are supported directly by CoreAudio
- From: Jens Alfke <email@hidden>
- Date: Wed, 21 Sep 2005 14:14:12 -0700
On Sep 21, 2005, at 12:09 PM, William Stewart wrote: What afconvert is doing here is using both the AudioFormat and AudioFileGlobal APIs to find out: What file types are installed on the system - AudioFile and AudioFileComponents What codecs are installed on the system - AudioCodec components (with bridging to *some* SM codecs) What file types support what data formats
However, not all the built-in codecs support encoding; in particular there is no MP3 encoder:
From: Brad Ford <email@hidden>Date: July 7, 2005 9:49:36 AM PDT Subject: Re: converting quicktime sound track to mp3
QuickTime/CoreAudio do not ship an mp3 encoder. We have an mp3 decoder, thus we can play mp3's, but if you want to encode mp3's, you'll either need to install a third party provided mp3 audio encoder component, or do it in iTunes.
-Brad Ford QuickTime Engineering
--Jens |
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