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Re: changing a sound signal while listening to it

Also easy in Csound..... (but I am biased)
==John ff

> Dear Dan,
> You will be able to do that easily with MAX/MSP.
> http://cycling74.com/
> It is a great software that allows you to manipulate any type of
> signal in real-time.
> Jeremy
> PS: you can also use the free version called pure data but it is less
> user friendly.
> http://puredata.info/
> On Tue, Aug 10, 2010 at 12:32 PM, Daniel Bowling
> <danielliubowling@xxxxxxxxx> wrote:
>> Dear List,
>> I am trying to create a piece of software that will allow a subject to
>> change the beat frequency and amplitude of a signal while listening to
>> it in
>> real time.
>> More specifically, the signal will consist of two pure tones (e.g. T1 +
>> T2),
>> and the difference between them (T2 - T1) as well as the root mean
>> square
>> amplitude will be under the control of the subject via the keyboard.
>> I have tried to execute this in Matlab using a loop, the problem is that
>> the
>> sound stops and then starts again at the beginning of each loop
>> iteration.
>> Can anyone suggest a way this might be implemented on a computer? Or
>> perhaps
>> just a suitable programming language?
>> Thanks,
>> Dan Bowling