[LAU] Level Matching

[Patrick Shirkey]

James McDermott wrote:
> On Tue, Nov 4, 2008 at 1:53 AM, Bob van der Poel <bob at mellowood.ca> wrote:
>   
>> I've used the program "normalize-audio" a number of times to good
>> effect.
>>     
>
>   
>> Folderol wrote:
>>     
>>> they
>>> are all recorded at completely different levels which make playing a
>>> program of them a bit problematical.
>>>
>>> Does anyone know of an automated way I can bring these all to a
>>> similar listening level.
>>>       
>
> I see that there is a replaygain script for Amarok, though I haven't
> used it. If you can get it to work, replaygain is probably the best
> solution, since it doesn't change the data (as normalize-audio does, I
> believe) but rather sets an id3 (?) tag.
>
> Be warned though that there is no perfect solution, since different
> types of music are compressed differently. No matter what strategy one
> adopts, a classical piece will have quiet parts and loud parts, and
> whichever of these you try to match with the volume of a pop piece,
> the other will sound wrong. Then of course there's the tricky issue of
> whether to change the volume per-song or per-album...
>
> HTH :)
>   

Just out of interest how much processor power would it take to normalise 
on the fly?


-- 
Patrick Shirkey
Boost Hardware Ltd.