Re: Writing a Full-Duplex (capture/playback) application.

[Steve deRosier <derosier@pianodisc.com>]

Errr... usually (depending on your settings) a raw file and a wav file are nearly the same, just the raw file is missing the wav header.  I'd recommend you search on the net for the wav file format, it's really easy.

On the other hand, here's a link I've got in my bookmarks:
http://www.borg.com/~jglatt/tech/wave.htm

- Steve


Juan Zapatero wrote:
> Hello,
> First of all, I'm going to explain what am I trying to do, so that best
> help can be provided.
> My final objective is to write a VoIP app to be used over a GPRS
> network, but so far, I'm only taking care about audio. I need to capture
> audio, compress it with Speex, and then, in the other end, decompress it
> and play it. I have written an app based on ALSA api tutorials that
> records audio into a raw file, but then, this raw file is not recognized
> by Speex encoder, so that I need the file recorded into wav format.
> Can anyone help me on how to capture audio into wav format?
> Thanks a lot.
> 
> 
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