Re: 4th Post: HELP? Wrong format reported by AudioFileGetProperty()?!?
Re: 4th Post: HELP? Wrong format reported by AudioFileGetProperty()?!?
- Subject: Re: 4th Post: HELP? Wrong format reported by AudioFileGetProperty()?!?
- From: Bob Aron <email@hidden>
- Date: Wed, 13 Oct 2004 10:40:03 -0700
David,
There was a problem in the AudioFile APIs on Panther in supporting MPEG 2.5, which is used for lower sample rate encodings. This has since been fixed on Tiger and verified with your file.
Would encoding the pcm versions of these files to 44k be an alternative solution for you?
bob
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CoreAudio Team
Apple Computer Inc.
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On Oct 13, 2004, at 10:27 AM, David M. Cotter wrote:
I still need to know how iTunes got it right, what is the workaround if I do not have Tiger?
On Oct 12, 2004, at 11:57 AM, Doug Wyatt wrote:
The Panther AudioFile API incorrectly reports your MP3's sample rate as 44100 and the Tiger one correctly reports it as 22050.
If you have the source PCM recording, you might try re-encoding it with iTunes; the two bugs I found/remembered involved [a] MPEG 2.5 MP3's (this doesn't appear to be one) and [b] ID3 tags at an unusual location in the file.
Doug
On Oct 12, 2004, at 1:07, David M. Cotter wrote:
see the previous-previous post by me for the pictures.
What i'm looking for is an explaination of either what I did wrong or what the workaround is. thanks.
On Oct 7, 2004, at 4:55 PM, David M. Cotter wrote:
The Actual format of the audio: 22kHz
The Reported format: 44kHz (via AudioFileGetProperty)
iTunes gets it right (reports the correct sample rate via get info), but AudioFileGetProperty() gets it wrong. What am I missing?
The audio file is available here:
http://www.tricerasoft.com/downloads/tsoftcdg.zip
My debugger: (it says 44kHz) my program plays the file like it's the Chipmunks.
<debug.gif>
iTunes: this says 22kHz, it's correct!
<iTunes.gif>
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