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From: Toru Yagi <yagitohru@yahoo.co.jp>
To: "sox-users@lists.sourceforge.net" <sox-users@lists.sourceforge.net>
Subject: sox can't encode to 16-bit
Date: Thu, 17 Jan 2019 22:41:39 +0900 (JST)
Message-ID: <652273.73317.qm@web102218.mail.kks.yahoo.co.jp> (raw)

Hi all, 

I'm trying to record by sox, splitting the input to multiple files: 

$ sox --version 
sox:      SoX v14.4.1 

$ 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. 

$ soxi test*.wav 

Input File     : 'test001.wav' 
Channels       : 2 
Sample Rate    : 48000 
Precision      : 32-bit 
Duration       : 00:00:10.00 = 480000 samples ~ 750 CDDA sectors 
File Size      : 3.84M 
Bit Rate       : 3.07M 
Sample Encoding: 32-bit Signed Integer PCM 


Input File     : 'test002.wav' 
Channels       : 2 
Sample Rate    : 48000 
Precision      : 32-bit 
Duration       : 00:00:10.00 = 480000 samples ~ 750 CDDA sectors 
File Size      : 3.84M 
Bit Rate       : 3.07M 
Sample Encoding: 32-bit Signed Integer PCM 

During recording, I have a message saying: 
"rec WARN formats: sox can't encode to 16-bit" 

When I record without splitting, I can get 16-bit wav files. 

$ rec -c 2 -b 16 -r 48000 test.wav trim 0 20 

$ soxi test.wav 

Input File     : 'test.wav' 
Channels       : 2 
Sample Rate    : 48000 
Precision      : 16-bit 
Duration       : 00:00:20.00 = 960000 samples ~ 1500 CDDA sectors 
File Size      : 3.84M 
Bit Rate       : 1.54M 
Sample Encoding: 16-bit Signed Integer PCM 

Is there any way to record 16-bit wav files, not 32-bit? 

Regards, 

-- 
Toru Yagi 
yagitohru@yahoo.co.jp 



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Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-17 13:41 Toru Yagi [this message]
2019-01-18 12:54 ` Måns Rullgård
2019-01-18 14:47   ` Toru Yagi
2019-01-18 21:44     ` Måns Rullgård
2019-01-19 15:58       ` Toru Yagi

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