Amplification & noise reduction with oss4
Posted: Wed Nov 18, 2009 7:30 pm
Hello, I've just registered after removing pulseaudio and installing oss4. First time that oss4 has installed and doesn't crash on boot. Does work well in almost every aspect except for microphone recording volume. I know that the driver and hardware work well from modifying settings in audacity. The sound that results after 30db amplification + noise reduction in audacity is audible and very clear.
What I cannot figure out is how to get that amplification with ossmix. The unmodified recording is almost inaudible and there seem to be no settings in ossmix to boost the amplification.
What I cannot figure out is how to get that amplification with ossmix. The unmodified recording is almost inaudible and there seem to be no settings in ossmix to boost the amplification.
Selected mixer 0/High Definition Audio STAC9228X
Known controls are:
jack.fp-black.mode1 <front|center/LFE|input> (currently front)
jack.int-speaker.mode <front|input> (currently front)
jack.int-speaker.front [<leftvol>:<rightvol>] (currently 78.6:78.6 dB)
jack.fp-black.mode2 <rear|input> (currently rear)
jack.fp-black.rear [<leftvol>:<rightvol>] (currently 76.4:76.4 dB)
jack.fp-black.mode3 <side|input> (currently side)
jack.fp-black.side [<leftvol>:<rightvol>] (currently 76.4:76.4 dB)
jack.int-black.mode <spdif-out|adat|rec1-mux|rec2-mux|rec3-mux> (currently spdif-out)
record.rec1-mux.input1-mux [<leftvol>:<rightvol>] (currently 39.9:39.9 dB)
record.rec1-mux [<leftvol>:<rightvol>] (currently 20.9:20.9 dB)
record.rec1-mux.mute ON|OFF (currently OFF)
record.rec1-mux.rec1-mux <input1-mux|dig-mic1> (currently dig-mic1)
record.rec2-mux.input2-mux [<leftvol>:<rightvol>] (currently 39.9:39.9 dB)
record.rec2-mux [<leftvol>:<rightvol>] (currently 20.9:20.9 dB)
record.rec2-mux.mute ON|OFF (currently OFF)
record.rec2-mux.rec2-mux <input2-mux|dig-mic1> (currently dig-mic1)
record.rec3-mux.input3-mux [<leftvol>:<rightvol>] (currently 39.9:39.9 dB)
record.rec3-mux [<leftvol>:<rightvol>] (currently 19.4:19.4 dB)
record.rec3-mux.mute ON|OFF (currently OFF)
record.rec3-mux.rec3-mux <input3-mux|dig-mic1> (currently dig-mic1)
misc.center/lfe [<leftvol>:<rightvol>] (currently 76.4:76.4 dB)
misc.headphone [<leftvol>:<rightvol>] (currently 76.4:76.4 dB)
misc <-28.-8dB|-19.-2dB|-9.-6dB|0.0dB> (currently 0.0dB)
vmix0-enable ON|OFF (currently ON)
vmix0-rate <decimal value> (currently 48000) (Read-only)
vmix0-channels <Stereo|Multich> (currently Stereo)
vmix0-src <Fast|High|OFF> (currently High)
vmix0-outvol <monovol> (currently 25.0 dB)
vmix0-invol <monovol> (currently 25.0 dB)
vmix0.pcm8 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm9 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm10 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm11 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)