Search found 5 matches

by Mirazi_Heket
Fri May 30, 2014 1:44 pm
Forum: General Audio Programming
Topic: Pitch change effect and scale of fifths
Replies: 9
Views: 8386

Re: Pitch change effect and scale of fifths

Soundtouch plugin would need modification, but audacity plugin most likely needs to be written from zero. I'm aware of that. And i wonder what will happen with frequency detection
by Mirazi_Heket
Fri May 30, 2014 6:42 am
Forum: General Audio Programming
Topic: Pitch change effect and scale of fifths
Replies: 9
Views: 8386

Re: Pitch change effect and scale of fifths

indeed. The thing is - i need to edit formula of frequency calculation for each note, because its not constant like in equal temperament scale (difference is 1.059... , more precisely pow(2, 1/12). In monophonic sounds (frequencies) just pitch changing would be ok, but not in the case of music
by Mirazi_Heket
Thu May 29, 2014 8:57 am
Forum: General Audio Programming
Topic: Pitch change effect and scale of fifths
Replies: 9
Views: 8386

Re: Pitch change effect and scale of fifths

Image
I did all calculations needed. I just need to know:
does i need to make any change in audacity sorce code formulas or correcting soundtouch will do the job?
by Mirazi_Heket
Tue May 27, 2014 3:20 pm
Forum: General Audio Programming
Topic: Pitch change effect and scale of fifths
Replies: 9
Views: 8386

Re: Pitch change effect and scale of fifths

Now i'm looking for information where

Code: Select all

m_dPercentChange
have it's origins.

Got this clue but not sure if its legit:

Code: Select all

m_dPercentChange = dlog.m_dPercentChange;
by Mirazi_Heket
Fri May 23, 2014 4:22 pm
Forum: General Audio Programming
Topic: Pitch change effect and scale of fifths
Replies: 9
Views: 8386

Pitch change effect and scale of fifths

Hello, i would like to ask about some matter, more precisely about how tone changing of notes works in audacity plugin "change pitch". I know audacity operates on 12 note equal temperament scale (where interval between each of 12 notes is constant (equal to pow(2, 1/12)) so for example: E4 = 329.63H...