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Spectrum of audio file

 
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Peter Herijgers
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PostPosted: Sat Jun 19, 2004 2:55 pm    Post subject: Spectrum of audio file Reply with quote



Hi All,

Does anyone know how to get the spectrum of an audio file?
I want to make someting like the 'Bars and Waves' in MediaPlayer 9.


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Dave Smith
Guest





PostPosted: Sat Jun 19, 2004 10:14 pm    Post subject: Re: Spectrum of audio file Reply with quote



you need a function that will do a "fast fourier transform" on it. Just do a
google search, there are lots out there.


Peter Herijgers <unip001 (AT) xs4all (DOT) nl> wrote

Quote:
Hi All,

Does anyone know how to get the spectrum of an audio file?
I want to make someting like the 'Bars and Waves' in MediaPlayer 9.





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Charles Hacker
Guest





PostPosted: Mon Jun 21, 2004 1:51 am    Post subject: Re: Spectrum of audio file Reply with quote



Peter Herijgers wrote:
Quote:

Does anyone know how to get the spectrum of an audio file?
I want to make someting like the 'Bars and Waves' in MediaPlayer 9.

I had previoulsy wrote a little example sound + spectrum delphi5 app.
It was for a newsgroup poster, that wanted to write a guitar tuner.

Anyway, it is thew basis of your task, so I am attaching that example to
a message in the borland.public.attachments newsgroup.


--
Charles Hacker
Lecturer in Electronics and Computing
School of Engineering
Griffith University - Gold Coast
Australia

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Robby Tanner
Guest





PostPosted: Wed Nov 10, 2004 4:33 pm    Post subject: Re: Spectrum of audio file Reply with quote

I would also be interested in that example, but can't find it in the
..attachments group. Can you either repost or send to me directly?

Regards,
Rob

"Charles Hacker" <reply.to (AT) borland (DOT) newsgroups> wrote

Quote:
Peter Herijgers wrote:

Does anyone know how to get the spectrum of an audio file?
I want to make someting like the 'Bars and Waves' in MediaPlayer 9.

I had previoulsy wrote a little example sound + spectrum delphi5 app.
It was for a newsgroup poster, that wanted to write a guitar tuner.

Anyway, it is thew basis of your task, so I am attaching that example to
a message in the borland.public.attachments newsgroup.


--
Charles Hacker
Lecturer in Electronics and Computing
School of Engineering
Griffith University - Gold Coast
Australia



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