[FFmpeg-user] Bug in FFMPEG Alsa?

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri Feb 17 13:21:53 EET 2017

2017-02-17 12:19 GMT+01:00 Erik Dobberkau <erik.dobberkau at gmail.com>:
> 2017-02-17 12:11 GMT+01:00 Carl Eugen Hoyos <ceffmpeg at gmail.com>:
>> 2017-02-17 11:59 GMT+01:00 christina zou <zou.christina at gmail.com>:
>> > 1. ffmpeg -f alsa -acodec pcm_s32le -i mic_sv temp.wav
>> I don't understand this command line: What is "-acodec pcm_s32le"
>> supposed to do (except forcing stuttery, unusable audio)?

> I would also suggest using -acodec pcm_s16le (and maybe -ac 1 when using a
> mono microphone) as well as -ar 48000 (or 44100) and checking the results
> thereof.

Please don't!
Using -acodec pcm_s16le is not doing what you expect, just remove
all options.

Carl Eugen

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