Category : alsa

I am new to alsa, pulseAudio, needed help with this issue. This is the truncated output of pacmd command on my system pacmd list-sources: name: <alsa_input.pci-0000_00_1f.3.analog-stereo> properties: alsa.resolution_bits = "16" device.profile.name = "analog-stereo" device.profile.description = "Analog Stereo" device.description = "Built-in Audio Analog Stereo" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" I want to fetch the field: ..

Read more

I am using a USB sound card with 16 microphones on my Raspberry Pi (the device is the UMA 16). Currently, I am collecting all 16 channels data and using up to 8 of them by separating their contents programmatically for an application that needs real time audio input, according to a configuration file which ..

Read more

I have a buffer of length 1024 coming over the network filled with single channel audio data at 48000Hz in S32LE format. I’m able to play this back using SDL2 however I need change this to use the ALSA API. I’ve followed countless tutorials but all I’m getting is static. This is the setup code ..

Read more

I am trying to make a call using PJSUA2, play a wav file to the callee, and callee should record this file to wav. I created two programs for that (caller and callee). And when caller starts playing wav file into AudioMedia object, console of callee program just spams out "alsa.c pb_thread_func: underrun!" and nothing ..

Read more