#423: pulse audio breaks the microphone recording on Intel ICH7/8/9 chipsets
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Reporter: mabawsa | Owner: lennart
Type: defect | Status: closed
Priority: high | Milestone:
Component: libpulse | Severity: major
Resolution: notourfault | Keywords: Intel Microphone Recording
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Changes (by lennart):
* status: reopened => closed
* resolution: => notourfault
Comment:
OK, as it appears some sound cards have an ADC that digitizes in a very
low resolution only and they put that in the LSBs of the recorded PCM
data. The effect of this is that software amplification needs to take
place to make the signal useful to applications.
PA has been supporting digital amplification easily. However this feature
was not exposed in the UI interfaces. Hence this is mostly an UI issue to
allow volume sliders to go beyond 100%. In fact gnome-volume-control has
recently been fixed to allow just this.
--
Ticket URL: <http://pulseaudio.org/ticket/423#comment:7>
PulseAudio <http://pulseaudio.org/>
The PulseAudio Sound Server
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