[MPlayer-users] [BUGREPORT] Crash when REAL used with any -aop options

D Richard Felker III dalias at aerifal.cx
Tue Oct 26 06:57:32 CEST 2004


On Mon, Oct 25, 2004 at 04:00:55PM -0400, The Wanderer wrote:
> D Richard Felker III wrote:
> 
> >On Mon, Oct 25, 2004 at 02:19:10AM -0400, The Wanderer wrote:
> >
> >>D Richard Felker III wrote:
> >>
> >>>On Sun, Oct 24, 2004 at 03:23:34PM -0400, The Wanderer wrote:
> >>>
> >>>>soft-clipping parameter doesn't seem to be documented either).
> >>>>Either of these could be adjusted to with a little effort, but
> >>>>I do think I find the percentage interface more intuitive.)
> >>>
> >>>but no audiophile would find it intuitive... in fact adjusting
> >>>volume in percentage makes no sense because the rate at which the
> >>>volume changes will depend on the current volume level. +- 1 dB
> >>>is always the same change no matter where you start, +- 1% (of
> >>>original volume) is not.
> >>
> >>That makes sense, yes, and I knew that there are perfectly good
> >>reasons for using decibels rather than percentages (although if
> >>memory serves, which it may not, the decibel notation allows for
> >>less fine-grained control... because -af volume=20 gives me volume
> >>comparable to if not higher than -aop list=volume:volume=200,
> >>although admittedly it's
> >
> >20 dB = 10^(20/10) = 100x intensity
> >200% volume = 2x intensity
> 
> Yes, I know that, now that I'm awake enough to think straight. My point,
> or my most recent one anyway, was that because it is AFAIK not possible
> to specify fractions of a decibel it seems as if the smallest units in

afauk isn't very far. try it and compare output (e.g. with ao_pcm), or
rtfs! :)))

rich




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