Re: Describing a compressed audio bitrate to ASBD
Re: Describing a compressed audio bitrate to ASBD
- Subject: Re: Describing a compressed audio bitrate to ASBD
- From: William Stewart <email@hidden>
- Date: Tue, 14 Jun 2005 18:11:40 -0700
Bit rate is a separate property...
Have a look at the code for afconvert - its a mine of information
about how to do this kind of thing
Bill
On 12/06/2005, at 7:14 AM, Evan Olcott wrote:
Working on an "Export" routine for my app, and using an
AudioConvertor paired with the AudioFile APIs.
In creating the AudioStreamBasicDescription for the output, I can
figure out how to fill in some of the flagged fields by using
AudioFormatGetProperty(kAudioFormatProperty_FormatInfo...
...but how would I go about describing to it a 160kbps bitrate, for
example? What field does that belong to, and what's the math behind
it?
Ev
Technical Knowledge Officer
Head Programmer/Designer
Audiofile Engineering
http://www.audiofile-engineering.com/
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