Re: [alsa-user] Error: Unable to install hw params

[Vijay Rakesh Munganda <vijayrakeshmunganda@xxxxxxxxx>]

Hi Clemens,

I have tried both pulghw and sample rate/format, but I get same error.  

root@test:~# arecord -D hw:0,6 -d 5 -f S32_LE -r 48000 test.wav
Recording WAVE 'test.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Mono
arecord: set_params:1405: Unable to install hw params:
ACCESS:  RW_INTERLEAVED
FORMAT:  S32_LE
SUBFORMAT:  STD
SAMPLE_BITS: 32
FRAME_BITS: 32
CHANNELS: 1
RATE: 48000
PERIOD_TIME: 125000
PERIOD_SIZE: 6000
PERIOD_BYTES: 24000
PERIODS: 4
BUFFER_TIME: 500000
BUFFER_SIZE: 4000
BUFFER_BYTES: 96000
TICK_TIME: 0

Thanks & Regards,

Vijay Rakesh

On 30-Jan-2021, at 22:13, Clemens Ladisch via Alsa-user <alsa-user@xxxxxxxxxxxxxxxxxxxxx> wrote:

Vijay Rakesh Munganda wrote:

I had tried to record a sample audio using arecord, “arecord hw:0,6 -d 10 test.wav” but I got an error as unable to install hw params.

Use plughw:0,x instead of hw:0,x to get automatic sample format conversion.

Or tell arecord to use a sample rate/format that your hardware supports.


Regards,
Clemens


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