shirish शिरीष wrote: > $ aplay -D plughw:0,0 /usr/share/sounds/alsa/Front_Center.wav > aplay: main:682: audio open error: Device or resource busy > > Now I don't know why aplay is still giving me this error. If you were using pulseaudio, I'd suggest using pasuspender. Is jackd running? If not, is there any corresponding "dmesg" output?