Hello Gianni,
I am really interested in your beamformer. How many inputs do you use to
create the array? Do you input custom geometry to the program or does the
user create the array according to what the program expects. Does it work
well? Right now there are very few commercially available beamformer based
technologies for audio and most are aimed at law enforcement, not high
quality audio recording.
--------------
Scott Petersen
Sound Designer
Blizzard North
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-----Original Message-----
From: Gianni Pavan
Sent: Tuesday, January 07, 2003 4:29 PM
To: ; ;
Subject: [Nature Recordists] 16/24 bits multichannel recorder
Hi all,
I just finished my 16/24 bits multichannel recorder written in
Visual
Basic by using the Microsoft APIs and waveformatex extensions. I still
have to design the GUI and to implement additional fuctions I need for my
research work on animal voices.
The functions I'm developing are:
- simple beamformer (the prototype already runs in real time)
- automatic segmentation to avoid problems with files >2GB and automatic
destination disk change
- recording activation when a threshold is reachen on a given channel.
- recording to file of selected channels or beams or both
- recording to individual channel files (i.e. 8 inputs to 8 files) or to a=
single multichannel file
The prototype works great (I tested it with a Midiman Delta 1010 - 8
channels @ 96 kHz sampling - on a PIII 500MHz and on a P4 2GHz) and I'm now=
willing to have from you some ideas for additional functions or display
types to implement.
Also, I'll like to hear your ideas about the possible uses of such a
software...
Gianni
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