On 06/05/2020, Ulf Zibis <[email protected]> wrote:
> -af 
> volume='not(between(t,46:50,48:50))',volume='not(between(t,1:30:00,1:31:00))',atempo=1/1.1/1.3,aresample=48000/1.1,asetrate=48000

> [Parsed_volume_0 @ 0x55b1b575cd40] [Eval @ 0x7ffed56fa4a0] Missing ')' or
> too many args in 'between(t'
> [Parsed_volume_0 @ 0x55b1b575cd40] Error when evaluating the volume
> expression 'not(between(t'
> [AVFilterGraph @ 0x55b1b575c5c0] Error initializing filter 'volume' with
> args 'not(between(t'


You need to escape those commas.  Commas separate different filters.
Probably the colons too which separate different arguments for a
single filter.
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