Search found 6 matches

by fcluson
Mon Sep 29, 2014 6:25 pm
Forum: Feature Request Archive
Topic: Windfarms & ETSU-R-97 tonality checking
Replies: 10
Views: 2845

Re: Windfarms & ETSU-R-97 tonality checking

Koz - would you like me to post a snipit of the data so that someone can have a look at it ?
by fcluson
Mon Sep 29, 2014 6:21 pm
Forum: Feature Request Archive
Topic: Windfarms & ETSU-R-97 tonality checking
Replies: 10
Views: 2845

Re: Windfarms & ETSU-R-97 tonality checking

Koz I have a number of sound files ranging from 10 to 30 mins . I have done a Spectrum lg and its clear there is a line at around the 168Hz range. I have done a FFT with different "bins" and there again is a clear spike. I exported the FFT to excel which is when I found the buckets where not evenly ...
by fcluson
Mon Sep 29, 2014 4:04 pm
Forum: Feature Request Archive
Topic: Windfarms & ETSU-R-97 tonality checking
Replies: 10
Views: 2845

Re: Windfarms & ETSU-R-97 tonality checking

Jules

thanks - let me have a go and I'll come back to you - really appreciate the help
by fcluson
Mon Sep 29, 2014 9:30 am
Forum: Feature Request Archive
Topic: Windfarms & ETSU-R-97 tonality checking
Replies: 10
Views: 2845

Re: Windfarms & ETSU-R-97 tonality checking

Thanks for that

lets focus on the sub 500Hz range - I am new to Audacity but have programmed many other apps elsewhere

Where do I enter the code you gave me ?
by fcluson
Sun Sep 28, 2014 8:00 am
Forum: Feature Request Archive
Topic: Windfarms & ETSU-R-97 tonality checking
Replies: 10
Views: 2845

Re: Windfarms & ETSU-R-97 tonality checking

Sorry about that - lets try again - I think it got truncated

http://www.hayesmckenzie.co.uk/download ... hable).pdf
by fcluson
Sun Sep 28, 2014 7:05 am
Forum: Feature Request Archive
Topic: Windfarms & ETSU-R-97 tonality checking
Replies: 10
Views: 2845

Windfarms & ETSU-R-97 tonality checking

I am using the Audacity to examine for tonality of wind farm noises The standard method is described in ETSU-R-97 - http://www.hayesmckenzie.co.uk/downloads/ETSU%20Full%20copy%20(Searchable).pdf look around pages 100 Is there a feature - or can I ask for one please - to allow the splitting of the fr...