Re: sox can't encode to 16-bit

["Måns Rullgård" <mans@mansr.com>]

Toru Yagi <yagitohru@yahoo.co.jp> writes:

> On 1/18/19 9:54 PM, Måns Rullgård wrote:
>>> $ rec -c 2 -b 16 -r 48000 -p trim 0 20 |
>>> sox -V3 -c 2 -b 16 -r 48000 -p test.wav trim 0 10 : newfile : restart
>>>
>>> I want to record 16-bit wav files, but the files generated are 32-bit ones.
>>
>> Put the "-b 16" option immediately before the output file argument.  You
>> can also drop all the format options preceding the -p since the pipe
>> format already includes all information.
>
> $ rec -c 2 -r 48000 -b 16 -p trim 0 20 | sox -p test.wav trim 0 10 : newfile : restart
> rec WARN formats: sox can't encode to 16-bit
>

[...]

> Is the position of "-b 16" option okay?

No, it needs to go immediately before the "test.wav" argument.

>> That said, why don't you do the splitting directly with the rec command?
>> This should work:
>>
>> $ rec -c 2 -b 16 -r 48000 test.wav trim 0 10 : newfile : restart
>
> I understand it, but I have to save test.wav first.
> I just want to split into wav files while I record from the line input.

The command I suggested does exactly that.

-- 
Måns Rullgård


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