[linux-audio-dev] Vsound-like tools for ALSA?

[Steve Harris]

On Wed, Jan 28, 2004 at 07:46:38 -0800, Lance Blisters wrote:
> > > > Quite how you determine the format of the .raw file is beyond me -
> > > > anybody?!
> > 
> > .raw files don't have any header, so you have to guess.  (The sample
> > format is almost always S16_LE, but for the number of channels (mostly
> > 1 or 2) or the sample rate, you have to try until it doesn't sound too
> > bad.  ;-)
> 
>   I've also wished for a tool which analyzed raw audio data.  Shouldn't
>   be too difficult to try all common formats (word size, signed/unsigned,
>   big/little endian) and measure average volume and continuity to determine
>   which formats yield a reasonable waveform.  Tool might fail on samples

Audacity had/has a raw importer which showwed a small graph of the
waveform and you could try different combos.

- Steve