# aplay -D plughw:CARD=CA0106 -v --buffer-size=128
/usr/share/sounds/alsa/Side_Left.wav
Playing WAVE '/usr/share/sounds/alsa/Side_Left.wav' : Signed 16 bit Little
Endian, Rate 48000 Hz, Mono
Plug PCM: Route conversion PCM (sformat=S16_LE)
Transformation table:
0 <- 0
1 <- 0
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 1
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 128
period_size : 32
period_time : 666
tstamp_mode : NONE
period_step : 1
avail_min : 32
period_event : 0
start_threshold : 128
stop_threshold : 128
silence_threshold: 0
silence_size : 0
boundary : 4611686018427387904
Slave: Hardware PCM card 0 'CA0106' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 128
period_size : 32
period_time : 666
tstamp_mode : NONE
period_step : 1
avail_min : 32
period_event : 0
start_threshold : 128
stop_threshold : 128
silence_threshold: 0
silence_size : 0
boundary : 4611686018427387904
appl_ptr : 0
hw_ptr : 0
128 seems to be fine. It's not consistent, sometimes 64 works ok,
sometimes it overruns (says so in the console and hitches). 128 has
never overrun, neither visually (saying it in the console), nor audible
(clicks/pops).
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https://bugs.launchpad.net/bugs/1315212
Title:
[CA0106 - CA0106, playback] Playback problem - Surround dies, no valid
output
To manage notifications about this bug go to:
https://bugs.launchpad.net/alsa-driver/+bug/1315212/+subscriptions
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