[linux-audio-user] Audio Analyzer

[fooman]

> 
> So, I have one wav file and I need create one shell script to get 
> informations of this file like if the file have some sound (I think it's 
> db).
> 

If you only want human interpretable output, you could try:

	http://tobiah.org/pub/vu/

Which will give you a detailed visualization of the sound
level content.

WAVE file: 16 bits per sample, Stereo
OOOOOOOOOOO   |    |    |    |    |    |    |    > T:0.5     23% 1857
OOOOOOOOOOOOOOO    |    |    |    |    |    |    > T:1       30% 2954
OOOOOOOO |    |    |    |    |    |    |    |    > T:1.5     17% 992
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO   |    |    > T:2       72% 17047
OOOOOOOOOOOOOOOOOOOOOOOOO    |    |    |    |    > T:2.5     50% 8472
OOOOOOO  |    |    |    |    |    |    |    |    > T:3       15% 832
OOOOOOOOOOOOOOOOOOOOOOOOOOO  |    |    |    |    > T:3.5     54% 9754
OOOOOOOOOOOOOOOOOOOOOOO |    |    |    |    |    > T:4       46% 6936
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO |    |    > T:4.5     77% 19685
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO   |    |    > T:5       72% 17383
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO T:5.5     ***** CLIP

A dB field would have been nice I guess.