Tag Archives: Sound

Intel 945 Express chipset audio programming on linux – useful links

Mobile Intel 945 Express Chipset Documentation: 945 Express Chipset HDA (high definition audio specification by intel) Documentation: Intel® High Definition Audio Specification Linux driver module name: snd_hda_codec Source Code: hda hda/hda_codec.c Intel I/O Controller Hub 7 (ICH7) Documentation: Intel I/O Controller … Continue reading

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Linux – ALC888 – SIP/VoIP – reduce white noise in the ALSA sound library with libspeex

With the following patch you could reduce the white noise in the alsa sound library using libspeex: Below is just a reminder of the call stack for one PCM read request:

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