multiple output support
Opened this issue · 1 comments
ajmirsky commented
If more than one output is initialized, no sound is heard from either output.
This works:
speakers = sc.all_speakers()
mics = sc.all_microphones()
front_speaker = speakers[0]
input = mics[0]
with input.recorder(samplerate=48000) as mic, \
front_speaker.player(samplerate=48000) as f_sp:
for _ in range(100):
data = input.record(numframes=1024)
f_sp.play(data)
Neither speaker plays audio in this case:
speakers = sc.all_speakers()
mics = sc.all_microphones()
front_speaker = speakers[0]
rear_speaker = speakers[1]
input = mics[0]
with input.recorder(samplerate=48000) as mic, \
front_speaker.player(samplerate=48000) as f_sp, \
rear_speaker.player(samplerate=48000) as r_sp:
for _ in range(100):
data = input.record(numframes=1024)
f_sp.play(data)
r_sp.play(data)
Is this a limitation of pulseaudio? I'm aware of module-combine-sink
but the goal will be to process (control volume, frequency) front/rear speakers separately.
Since there is no error message, I'm not sure where to start to debug. Guidance appreciated.
bastibe commented
Usually, a "speaker" in SoundCard's terms refers to a sound card. Each sound card has several channels, corresponding to individual physical loudspeakers.
So you'd need to address individual channels of your main "speaker" in order to control front/rear speakers separately.