[PD] Real-time frequency filtering and analysis

Luigi Rensinghoff luigi.rensinghoff at freenet.de
Wed Mar 28 10:57:52 CEST 2007

What about filterbank in "unauthorized" ?

wouldnt that be an approach as well ?

Am 28.03.2007 um 10:23 schrieb Roman Haefeli:

> without having read your mail completely, i'd suggest having a look at
> the [fiddle~] external, that ships with pd.
> roman
> On Tue, 2007-03-27 at 23:20 -0500, Jared wrote:
>> Summary: I'm interested in capturing audio through a microphone  
>> and, in
>> real time, determining which frequency range (from a set range of
>> frequencies) has the maximum level. This would be used to determine
>> which note is loudest out three notes.
>> More info: Hello! I was hoping to get some direction for a project  
>> I'm
>> working on. I'm also searching the mailing list archives, but I
>> apologize in advance if I ask questions that have been answered
>> elsewhere. If you think my question has already been answered, I  
>> would
>> appreciate any advice on how to better search the archives to find  
>> what
>> I'm looking for.
>> I am creating a staged adaptation of a 'Choose Your Own Adventure'
>> novel. For more information, check out the Wikipedia article at
>> http://en.wikipedia.org/wiki/Choose_your_own_adventure The important
>> thing to know is there will be a branching storyline, decided by
>> audience voting.
>> For the voting, I plan for everyone in the audience to have a small
>> xylophone with 3. Each note will correspond to a voting choice  
>> presented
>> by the cast. I'm going to have microphones positioned around the  
>> theatre
>> to capture the xylophones and pipe them to a computer. What I'd then
>> like to do through PD is determine which note was 'loudest,'  
>> meaning the
>> most people cast it for their vote.
>> The voting choices will be displayed by a projector connected to the
>> computer running PD. Thus, I'm interested in either piping the level
>> information to another program (PowerPoint or something else) to  
>> display
>> which vote won. I'd also be interested in doing this directly through
>> PD, if it's possible.
>> I'm working my way through the PD tutorials included in the program
>> itself, but would appreciate any advice or suggestions on keywords  
>> I can
>> use to search the archives.
>> Please let me know if there is any information I can add to make  
>> things
>> more clear. Thanks in advance for all your help.
>> -Jared
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