From: "Måns Rullgård" <mans@mansr.com>
To: tsepp2000@web.de
Cc: sox-users@lists.sourceforge.net
Subject: Re: upsampling and sinc-filter
Date: Sat, 20 Feb 2021 13:01:10 +0000 [thread overview]
Message-ID: <yw1xtuq6ki5l.fsf@mansr.com> (raw)
In-Reply-To: <c2a2cdc7-27b2-c5bc-88e1-59ceb6a1b400@web.de> (tsepp's message of "Sat, 20 Feb 2021 13:36:56 +0100")
"tsepp2000@web.de" <tsepp2000@web.de> writes:
> Hi all,
>
> I want to make 3 changes to a wav-file: 1. bit depth, 2. upsampling and
> 3. sinc-filter - at one time. For the upsampling I assume -L and for the
> filter I assume -L. Does Sox calculate this several times in a row? Is
> this the correct and most effective command?
>
> sox 16bit_44_1.wav -b 32 -e float output.wav rate -v -L 88200 sinc -a 80
> -L -21000 -t 2100
What is the purpose of the lowpass filter here?
--
Måns Rullgård
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next prev parent reply other threads:[~2021-02-20 13:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-20 12:36 upsampling and sinc-filter tsepp2000
2021-02-20 13:01 ` Måns Rullgård [this message]
2021-02-22 6:15 ` tsepp2000
2021-02-22 11:12 ` Måns Rullgård
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