Re: [SoX-users] Mixing in a repeating track into a song

[robs <aq...@ya...>]

--- Wojciech Knapik <web...@wo...> wrote:
> black/death metal. So loud, intense music. The bands probably won't be 
> thrilled about the loss of volume (can anything be done about this ?), 

That's what the compander is being used for in this case--to bring the volume
of the music back up around, but not during the lector.

> but the bigger issue is the audibility of the lector. When I generated 

No hard and fast guarantees on this one, but what I would try is as follows:
1) Apply replay-gain tags to the music (e.g. with vorbisgain).
2) Record the lector as loudly as you can, or use vol or compand to get it
loud; don't apply replay-gain tags to the lector.
3) Use sox -m --replay-gain=track with compand to do the mixing
4) Play around with the compander parameters if necessary. e.g. instead of
-70,-60,-20, you could try -80,-70,-10.

> there anything that can be done about this ? I wouldn't mind if the 
> original song's volume was decreased while the lector is speaking.

Hopefully, the above steps will give this effect (and could even go the other
way, i.e. music too quiet during lector).

>    I'm also wondering if the use of the compander is a serious enough 
> alteration, that the bands could argue I'm modifying they're sound too 
> much. Hopefully not..

Well, most radio stations pile on a lot more compression that this so I doubt
you have much to worry about on that score.

> (*) The length of the lector track and the padding around it doesn't 
> matter here, right ?

As long as you got some gaps of a few seconds, it should be fine.

/Rob


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