Update comment on sound.cc volume based(speed ->noise) (#26719)

Update sound.cc old-commit-hash: fa0bf404c8
3 years ago · 6bc328535c
parent ecf87de6da
commit 6bc328535c
1 changed files with 1 additions and 1 deletions
--- a/selfdrive/ui/soundd/sound.cc
+++ b/selfdrive/ui/soundd/sound.cc
@ -46,7 +46,7 @@ void Sound::update() {
    return;
  }

-  // scale volume with speed
+  // scale volume using ambient noise level
  if (sm.updated("microphone")) {
    float volume = util::map_val(sm["microphone"].getMicrophone().getFilteredSoundPressureWeightedDb(), 30.f, 52.f, 0.f, 1.f);
    volume = QAudio::convertVolume(volume, QAudio::LogarithmicVolumeScale, QAudio::LinearVolumeScale);