James Courtier-Dutton wrote:
fons adriaensen wrote:
On Sat, Apr 08, 2006 at 05:17:14PM +0100, 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.

For 'technical' measurements: JAAA
For 'musical' measurements: JAPA

Both at <http://users.skynet.be/solaris/linuxaudio>

The JAAA release is quite old now and shows it. Improved looks version soon.
Don't forget the shared libs at the bottom of the page.


Neither of those applications work.
I have ardour working fine with stereo in/stereo out.

jaaa -J seems to talk to jack, but does not capture or play any sound.
jaaa -A fails to even open the alsa device.

jdelay also does not work. Responding with "Signal below threshold..."

Have these application actually been tested with jackd recently?

James


My mistake. Please ignore.

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