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Am 30.01.2011 13:22, schrieb Arnold Krille:

quoted text
> On Sunday 30 January 2011 11:34:31 Hartmut Noack wrote:

>> Am 28.01.2011 13:23, schrieb fons@kokkinizita.net:

>>> On Fri, Jan 28, 2011 at 01:40:00AM -0500, Michal Seta wrote:

>>>> A friend of mine would like to record some impulse response of various

>>>> spaces.  I don't know the details nor the ultimate goal of this

>>>> undertaking but the problem was about the bst equipment for such

>>>> recordings.  I know a loud signal is needed (she has a starter gun for

>>>> that purpose) but unclear about what kind of microphones should be

>>>> used.  Any tips?  Ideas? experiences?

>>>

>>> Starter guns, electric sparks, exploding balloons or preservatives,

>>> etc. are not the best way to do this. You get a much more accurate

>>> result and a much better S/N ratio using a sine sweep and deconvolution

>>> instead.

>>

>> This is true if you want perfectly exact, high fidelity, realistic

>> response-files of real rooms.

>>

>> But if you just want files, that produce interesting sounding

>> reverb-effects, enything that fits, fits.

>>

>> I use to record rooms using my mobile-phones puny videofunction, the

>> built-in micro and finger snapping ;-)

>> Not hi-fi at all and I would distribute these files claiming they would

>> be something like tools to reproduce the original rooms. But I like,

>> what I hear, if I load them into a convolver....

>

> Using a mobile phone to play the sinus-sweep

I dont really believe in the built-in speakers. Especially if we talk

about frequencies below 150Hz ;-)
> and record it with a small mp3-

quoted text
> player should give you the ability to "measure" different source and target

> positions in the acoustic space :-)

>

> Gotta try that some day.

I´d be very interested in such a usage-scenario. I got an old

Sharp-MD-recorder that came with a quite usable mini-mic...
>

quoted text
> Have fun,

>

> Arnold

>

>

>

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