Hello again,
does anyone have some idea on the problem?

Regards,
Francesco


2014-07-31 10:00 GMT+02:00 Francesco Marletta <francesco.marletta@movia.biz>:
Hello to everyone,
I'm experiencing a strange problem with the Linux kernel 3.5.7 for the Overo COM.

When I catpure audio from the Main Mic audio channel, the level of the audio signal is very low, while the same signal is good if the capture is performed from the Aux Left channel.

Now, the problem is caused by the Kernel, since using the same Overo COM, on the same board (custom made, with the capability of switching audio to the 2 differents channels listed above) with the kernel 2.6.34 this problem don't arise (the audio level from Main Mic and Aux Left are almost the same -- I know there is a little difference in the audio path that make the two signal slightly different, but this is not a problem).

The tests has been made in the same conditions, thus the same audio file and the same capture volume levels has been used for each record.

Any idea on how to solve the problem?

--
Francesco Marletta

Mobile: +39.3468834282
Email: francesco.marletta@movia.biz



--
Francesco Marletta

Mobile: +39.3468834282
Email: francesco.marletta@movia.biz