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How to in-decrease volume by 15% ?

 
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pstein



Joined: 18 Jun 2013
Posts: 11

PostPosted: Tue Jun 18, 2013 11:18 am    Post subject: How to in-decrease volume by 15% ? Reply with quote

Assume I loaded a *.mp3 into Wavosaur.

How can I increase resp. decrease the current volume by lets say 15%

Peter
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vatoryajka



Joined: 18 Jun 2013
Posts: 6

PostPosted: Tue Jun 18, 2013 11:47 pm    Post subject: Reply with quote

Hello,

you have to enter the volume increase / decrease in dB

+15% is like multiplying by 1.15
in dB you have
20 x log (1.15) = + 1.21 dB


-15 % is like multiplying by 0.85
in dB you have :
20 x log (0.85) = - 1.41 dB



vatoryajka
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pstein



Joined: 18 Jun 2013
Posts: 11

PostPosted: Wed Jun 19, 2013 2:58 am    Post subject: Reply with quote

vatoryajka wrote:

you have to enter the volume increase / decrease in dB


Ok, thank you.

But instead having always to calculate the dB equivalent I prefer to enter the percentage value.

Is there somewhere an official feature request ticket/email address for the next release?
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vatoryajka



Joined: 18 Jun 2013
Posts: 6

PostPosted: Wed Jun 19, 2013 10:20 am    Post subject: Reply with quote

i think you can ask in this part of the forum :

http://www.wavosaur.com/forum/feature-requests-f8.html

i think % is easier too
Wink
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Wavosaur Main Developer
Site Admin


Joined: 30 Sep 2006
Posts: 473
Location: France

PostPosted: Sat Jul 06, 2013 12:00 pm    Post subject: Reply with quote

Where are working on this point.
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