[linux-audio-dev] Measuring playback and capture quality.

[Cedric Roux]

On Sat, 8 Apr 2006, James Courtier-Dutton wrote:

> Hi,
> 
> Are there any linux tools out there that will sample the line in, and 
> display a detailed spectrum scope of the detected sound?
> 
> E.g.
> http://www.pcavtech.com/soundcards/ct462048/SNR_LB_FS.gif
> 
> Eventually I wish to send a test signal from one sound card to another 
> and compare the frequency response/noise etc. of the line input of the card.
> 
> James

what about baudline ? http://www.baudline.com/
(it's not free software)

Cédric.