On Thu, Mar 24, 2011 at 4:58 PM, Thomas Winter <[email protected]> wrote: > Hi list, > I have an 44100 Hz file with human voice, stereo with 16Bit. > When convertig this to 8 kHz, mono I loose a lot of quality and have > some ground noise. I tried several sox options but without success. > Can somebody help.... >
I have had good results with this: sox in.wav -r 8000 -c 1 out.wav highpass 500 lowpass 4000 resample -ql Play around with the high and low pass numbers because they might need to be changed depending on the properties of your recordings. -M -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
