Europa.wav codec=uncompressed-integer Bitrate(kb/s)=512 ################################################################################# pi@raspberrypi ~ $ aplay -v -D hw:0,0 --buffer-size=441 Europa.wav Playing WAVE 'Europa.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo Hardware PCM card 0 'snd_rpi_hifiberry_amp' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : S16_LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 16 buffer_size : 440 period_size : 110 period_time : 2494 tstamp_mode : NONE period_step : 1 avail_min : 110 period_event : 0 start_threshold : 440 stop_threshold : 440 silence_threshold: 0 silence_size : 0 boundary : 1845493760 appl_ptr : 0 hw_ptr : 0 underrun!!! (at least 0.035 ms long) Status: state : XRUN trigger_time: 439.429828000 tstamp : 439.430155000 delay : 0 avail : 440 avail_max : 440 underrun!!! (at least 0.041 ms long) Status: state : XRUN trigger_time: 440.169780000 tstamp : 440.170182000 delay : 0 avail : 544 avail_max : 544 underrun!!! (at least 0.078 ms long) Status: state : XRUN trigger_time: 469.129503000 tstamp : 469.130275000 delay : 0 avail : 440 avail_max : 440 underrun!!! (at least 0.197 ms long) Status: state : XRUN trigger_time: 494.768242000 tstamp : 494.770208000 delay : 0 avail : 440 avail_max : 440 underrun!!! (at least 0.443 ms long) Status: state : XRUN trigger_time: 495.55781000 tstamp : 495.60203000 delay : 0 avail : 440 avail_max : 440 underrun!!! (at least 0.005 ms long) Status: state : XRUN trigger_time: 495.260322000 tstamp : 495.260367000 delay : 0 avail : 446 avail_max : 446 ^CAborted by signal Interrupt... Result:UNDERRUN * Europa.wav codec=uncompressed-integer Bitrate(kb/s)=512 ################################################################################# pi@raspberrypi ~ $ aplay -v -D hw:0,0 --buffer-size=3091 Europa.wav Playing WAVE 'Europa.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo Hardware PCM card 0 'snd_rpi_hifiberry_amp' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : S16_LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 16 buffer_size : 3088 period_size : 772 period_time : 17505 tstamp_mode : NONE period_step : 1 avail_min : 772 period_event : 0 start_threshold : 3088 stop_threshold : 3088 silence_threshold: 0 silence_size : 0 boundary : 1619001344 appl_ptr : 0 hw_ptr : 0 ^CAborted by signal Interrupt... Result:OK