Richi Plana a ?crit : >> Is there any way to test what is causing this and if it is PulseAudio? >> Is there a simple way to override PA and play audio via ALSA >> snd-hda-intel drivers? > > Alright, it MAY not be PA. I tried playing music from a virtual console > using oss as the output device and it still sounded horrible. > > One thing I did discover, however, was that when I turned up the Master > volume setting and minimized the PCM volume setting, the audio quality > improved tremendously. There seems to be some kind of attenuation going > on when PCM controls are used. Why that is, I've no idea. Try to use alsamixer to set the PCM level to 0 dB or bellow. On my laptop, this level is around the value of 75%. My take on this is that the PCM control allows to amplify the signal beyond reasonable levels (ie above 0 dB). Cheers, R?mi
