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16/24 bits multichannel recorder

Subject: 16/24 bits multichannel recorder
From: Gianni Pavan <>
Date: Wed, 08 Jan 2003 01:28:40 +0100
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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