[PD] Newbie request (Frequency 2 keystroke)

Damien Henry - Voxler damien.henry at voxler.fr
Tue Apr 29 19:02:09 CEST 2008


Hi,

"sigmund~" and "fiddle~" are objects to analyse the microphone signal to find the fundamental frequency.

You can use the "moses" and "select" objects to make something happend when the frequency is into a particular range.

I do not know how to simulate a keyboard input.


Cheers,
Damien.

Hugh Sung a écrit :
> Actually, this isn't for speech recognition - i'm trying to come up
> with a simple way to use key triggers to activate visuals.
>
> For example:  if the piano plays A440, i'm presuming PD can be
> configured to recognize that pitch with a microphone input and then
> echo out a text string - the letter "A", perhaps. 
>
> I have a presentation program that can be configured to accept
> keyboard strokes to activate visual events. 
>
> Does that example make sense?  PD sounds like it should be able to
> handle that capability pretty easily...
>
> On Tue, Apr 29, 2008 at 12:14 PM, marius schebella
> <marius.schebella at gmail.com <mailto:marius.schebella at gmail.com>> wrote:
>
>     speech to text in opensource software is still poor, and even
>     poorer for languages other than english. afaik pd also doesnot
>     have a builtin solution for that. you could try to use a different
>     program for that and parse the text, or you could try more basic
>     approaches within pd (like pitch recognition, amplitude/envelope
>     following, or rhythm/melody recognition.
>     I am sure there are some commercial solutions out there (like in
>     the iphone) that have good speech-to-text recognition, including
>     dictionaries.
>     sorry that this probably is no real help for you, maybe someone
>     else knows more?
>     marius.
>
>     Hugh Sung wrote:
>
>         Hello!  I'm new to PD and was wondering if i could get a
>         "working start" -
>
>         i'd like to someday be able to create a PD applet that can
>         take audio input from a microphone and convert the sounds to
>         text that can simultaneously be applied to a concurrently
>         running program, like a word processor or a presentation
>         program that accepts alpha-numeric input to trigger events.
>          Can someone create a PD example that does the following:
>
>         1.  echo Alpha/numeric characters based on variable pitch
>         2.  echo alpha/numeric characters based on volume
>         3.  echo alpha/numeric characters based on rhythm (ie, number
>         of pulses per second or minute)
>
>         Sorry if this sounds simplistic - if i can see an example of a
>         PD patch that can incorporate these elements, that will go a
>         LONG way to helping me learn how to program PD on my own!
>
>         Thanks in advance for your help and suggestions, PD list!
>
>         -- 
>         Hugh Sung
>         www.hughsung.com <http://www.hughsung.com>
>         <http://www.hughsung.com>
>         www.TabletPCMusician.com <http://www.TabletPCMusician.com>
>         <http://www.TabletPCMusician.com>
>         www.musicmeetstech.com <http://www.musicmeetstech.com>
>         <http://www.musicmeetstech.com>
>
>
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>
>
> -- 
> Hugh Sung
> www.hughsung.com <http://www.hughsung.com>
> www.TabletPCMusician.com <http://www.TabletPCMusician.com>
> www.musicmeetstech.com <http://www.musicmeetstech.com>
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