Re: [linux-audio-dev] Olypus voice recorder - codec?

From: Richard Smith <smithbone@email-addr-hidden>
Date: Fri Jan 06 2006 - 18:09:47 EET

On 1/5/06, Dan Stromberg <strombrg@email-addr-hidden> wrote:
>> The data is coming out of the windows app in this format: IMA ADPCM,> that is.>> But unfortunately, I don't seem to be having much luck discovering what> codec they actually spit out of the voice recorder, prior to the> application apparently converting it to IMA ADPCM.
Have you tried feeding in a known constant sources using a signalgenerator? Looking at the output for a 100,500,1k,2k,4k sine wavesmight give you some clues since you should be able to see when thedata repeats.
--Richard A. Smith
Received on Fri Jan 6 20:15:06 2006

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