Re: Beat Detection algorithm or library for core audio / iPhone?
Re: Beat Detection algorithm or library for core audio / iPhone?
- Subject: Re: Beat Detection algorithm or library for core audio / iPhone?
- From: Andrew Hughes <email@hidden>
- Date: Sat, 20 Mar 2010 13:21:42 -0500
Here's a link to an open source beat detection Audio Unit plugin at
Teragon audio. You might be able to adapt this code to your needs.
Also, there are a number of other open-source libraries available on-
line (just do a search). I don't know if they'll be fast enough for an
iphone or not, however, but it's a start.
Also, if you already know the approximate tempo of the song, you could
use this to optimize the search algorithm.
The way you say this "would be using a simple disco track!" makes me
wonder if you don't already have a set of songs that you are trying to
beat detect to. If this is the case, then you don't really need a beat
detection algorithm, you could just hard-code a beat timer into your
program.
Hope this helps.
Andrew
On Mar 19, 2010, at 11:14 PM, TJ Marbois wrote:
Hi
I was hoping that someone might have a nice beat-detection algorithm
for Core Audio - that might be tight enough to run on an iPhone in
realtime?
Looking to get some audio inputs from the mic and simply detect bass
drum hits clearly... would be using a simple disco track!
Can anyone provide a pointer to something that might be built
already like this?
:)
( nice to meet you all. )
cheers
Tj
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