[MPlayer-users] Getting the best sound from mplayer

Grant emailgrant at gmail.com
Tue Jul 19 21:18:15 CEST 2011


>> downmix.  I just tried -channels 6 -af
>> pan=2:.8:0:0:.8:.4:0:0:.4:.6:.6:.2:.2 and the results are great.  I
>
> Note that this pan line is VERY wrong as it puts too much volume into
> two channels, you have to reduce coefficients to normalize volume
> properly. When loud sounds from all channels occur, often happens for
> explosions and stuff, for example, it will exceed maximum volume level
> which will be clipped to max, it's a very heavy distortion that's quite
> unpleasant to your ears.

You're right again.  I noticed your pan was superior to mine last
night while watching a movie, even during normal volume passages.  I
guess you want each channel to total 1?

I'd like to keep experimenting with it.  Can the numbers be defined to
2 decimal places?

- Grant


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