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Re:Chromium unconditionally downloads binary blob by jameshart on Tuesday June 16, 2015 @12:46PM (#9727119)
I have bad news for you: Chrome is a binary blob of code from Google that has access to your microphone.
Re:Chromium unconditionally downloads binary blob by metaobject on Tuesday June 16, 2015 @01:26PM (#9727390)
I wonder if there is a way to monitor whether the mic is being accessed from a program on linux?
Re:Chromium unconditionally downloads binary blob by cnvogel on Tuesday June 16, 2015 @01:32PM (#9727423)
I've run a "arecord" on hw:1,0 (via pulseaudio, oh my....) to show that one of the devices (pcm0c) is currently capturing audio. Below is the "hardware status" as reported by alsa. On the pavucontrol UI application (again pulseaudio) the recording application is also shown.

     ➜  ~  find /proc/asound/card* -name status | xargs grep ""
     /proc/asound/card0/pcm0c/sub0/status:closed
     /proc/asound/card0/pcm0p/sub0/status:closed
     /proc/asound/card0/pcm2c/sub0/status:closed
     /proc/asound/card0/pcm3p/sub0/status:closed
     /proc/asound/card0/pcm7p/sub0/status:closed
     /proc/asound/card0/pcm8p/sub0/status:closed
     #### ---v--- this one records
     /proc/asound/card1/pcm0c/sub0/status:state: RUNNING
     /proc/asound/card1/pcm0c/sub0/status:owner_pid   : 1260
     /proc/asound/card1/pcm0c/sub0/status:trigger_time: 108525.846389845
     /proc/asound/card1/pcm0c/sub0/status:tstamp      : 108558.575144693
     /proc/asound/card1/pcm0c/sub0/status:delay       : 96
     /proc/asound/card1/pcm0c/sub0/status:avail       : 96
     /proc/asound/card1/pcm0c/sub0/status:avail_max   : 96
     /proc/asound/card1/pcm0c/sub0/status:-----
     /proc/asound/card1/pcm0c/sub0/status:hw_ptr      : 1570901
     /proc/asound/card1/pcm0c/sub0/status:appl_ptr    : 1570805
     #### ---^---
     /proc/asound/card1/pcm0p/sub0/status:closed

The nomenclature here is hw:N,M corresponds to cardN/pcmMc (c: capture, p: playback).