[pulseaudio-tickets] [Bug 87814] New: Microphone has loud static/distortion when volume is not 100%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87814

            Bug ID: 87814
           Summary: Microphone has loud static/distortion when volume is
                    not 100%
           Product: PulseAudio
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: daemon
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: mstrobl2 at yahoo.com
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

Running Gentoo with pulseaudio version 5.0-r6.

Microphone is a logitech C525 webcam (usb audio).

I believe the problem started with PA 5, although I haven't tried downgrading
to PA 4.

The problem is that whenever the input volume is not exactly 100%, the sound
from the microphone is severely distorted with static/crackling. The VU meter
in pavucontrol will go all the way to max when this happens. 

I have to set the volume to 100% both in the "input devices" as well as the
"recording" tabs in pavucontrol to make the microphone work. Once they are at
100% all static/distortion disappears and the microphone works normally. 

My /etc/pulse/daemon.conf file is "stock" (I have not changed anything).

I have deleted any PA config in my home directory as well as logged in with a
new user to make sure it's not some left over config causing the problem.

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