On 10/18/2016 11:52 PM, Clemens Ladisch wrote:
> Jay Foster wrote:
>> Looks like aplay is using libspeex (builtin) for conversion. How can
>> I select linear as you suggested?
> Add the following line to /etc/asound.conf:
>
> defaults.pcm.rate_converter "linear"
>
>
> Regards,
> Clemens
>
Thanks. That seems to have been helpful. No xrun errors.
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Mono
Plug PCM: Rate conversion PCM (44100, sformat=S16_LE)
Converter: linear-interpolation
Protocol version: 10002
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 1
rate : 22050
exact rate : 22050 (22050/1)
msbits : 16
buffer_size : 11025
period_size : 2756
period_time : 125011
tstamp_mode : NONE
tstamp_type : MONOTONIC
period_step : 1
avail_min : 2756
period_event : 0
start_threshold : 11025
stop_threshold : 11025
silence_threshold: 0
silence_size : 0
boundary : 722534400
Slave: Route conversion PCM (sformat=S16_LE)
Transformation table:
0 <- 0
1 <- 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 1
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 22052
period_size : 5513
period_time : 125011
tstamp_mode : NONE
tstamp_type : MONOTONIC
period_step : 1
avail_min : 5513
period_event : 0
start_threshold : 22052
stop_threshold : 22052
silence_threshold: 0
silence_size : 0
boundary : 1445199872
Slave: Hardware PCM card 0 'USB Audio Device' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 22052
period_size : 5513
period_time : 125011
tstamp_mode : NONE
tstamp_type : MONOTONIC
period_step : 1
avail_min : 5513
period_event : 0
start_threshold : 22052
stop_threshold : 22052
silence_threshold: 0
silence_size : 0
boundary : 1445199872
appl_ptr : 0
hw_ptr : 0
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