[squeak-dev] Using Multiple Microphones

John McIntosh johnmci at smalltalkconsulting.com
Sat Feb 7 16:44:37 UTC 2009


How about looking at the gsteamer support?

On 2/7/09, Martin Bleichner <bleichner.martin at gmail.com> wrote:
> Hi Derek,
>
> they have to be separate. The idea is to control a cursor by sound.
> Every direction (left, right, up, down) is supposed to be controlled by a
> different sound source.
> Currently I am using one microphone and the SpectralAnalyzerMorph. The fft
> allows me to split up different frequencies. Consequently, by whisteling at
> specific frequencies one can control the cursor in different directions.
>
> What I have in mind however are different sound sources having the same
> frequency content. The control of the cursor hence relies on amplitude.
>
> One possibility would be to record four microphones, externally modulate the
> frequencies, combine the signals an pull them apart by the fft again.
>
> I was hoping for something more out of the box :). But there apparently is
> no simple way to solve that problem
>
> Best
> Martin
>
>
>
>
>
>
>
>
> 2009/2/7 Derek O'Connell <doconnel at gmail.com>
>
>> Do they have be separate inputs? If not you could mix them externally.
>> If they do have to be separate then a better idea of what you want to
>> do would allow alternative suggestions.
>>
>> On 2/7/09, Martin Bleichner <bleichner.martin at gmail.com> wrote:
>> > Hi together,
>> >
>> > I try to use the input of multiple microphones (four) in a squeak
>> > application.
>> > I already asked this question on the German list and got the reply that
>> it
>> > won't work.
>> > Does anybody has an idea for a workaround? Squeak might not really be
>> > the
>> > best language for my project, but as soon as I have the sound signal,
>> squeak
>> > is perfect for my needs.
>> >
>> > I also thought about using opencroquet or open cobalt, to record four
>> > microphones on four different computers and to integrate the input in a
>> > common world.
>> >
>> > Any ideas?
>> >
>> > Thanks a lot
>> > Martin
>> >
>>
>>
>


-- 
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John M. McIntosh <johnmci at smalltalkconsulting.com>
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
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