Hello, we use USB audio devices (e.g. M-Audio Fast Track and Focusrite Scarlett 2i2) to record mono speech on Ubuntu. We face the problem that for mono recordings both input channels of the devices are mixed together. But we want to record only the left channel, not the mix. The left channel gets only half of the dynamic range; the signal amplitude does not exceed -6dB. Is there a way to configure PulseAudio accordingly? Regards, Klaus -- ------------------------------------------ Klaus Jaensch Muenchen Germany Institut fuer Phonetik und Sprachverarbeitung Schellingstr.3/II Room 223 VG 80799 München Phone (Work): +49-(0)89-2180-2806 Fax: +49-(0)89-2180-5790 EMail: klausj at phonetik.uni-muenchen.de