[Pythonmac-SIG] Sound advice

Jack Jansen Jack.Jansen@oratrix.nl
Thu, 17 Jan 2002 22:18:27 +0100


On Thursday, January 17, 2002, at 06:36  PM, Hans verschooten wrote:

> I'm trying to split a large number of sound files as soon as 
> the volume drops below a certain level. So I'm looking for a 
> way to measure the volume of the sound files. And then split 
> them to separate files. These sound files are AIFF and MP3 
> files.
>
> Does anybody have an idea if this is possible in Python, I'm 
> using the UNIX version on OS 10.1.2 at the moment.

Once you have the files in memory you can use the audioop module 
to operate on the samples reasonably efficiently. I think the 
aiff module is part of the standard distribution, but I know of 
nothing for MP3.
--
- Jack Jansen        <Jack.Jansen@oratrix.com>        
http://www.cwi.nl/~jack -
- If I can't dance I don't want to be part of your revolution -- 
Emma Goldman -