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From: Andre on 5 May 2010 12:10
Hi I'm doing my masters in the subject described above in real time. It is supposed to track people and sounds inside a room. I've never worked with sound processing so I'm having some doubts. In my project i will work with 8 microphones. I've read many papers about the subject and i will use the GCC-PHAT to do it.The setup will be installed in a room with few noise. For now my doubts are:
1. How is the window size (that i will use to fin sounds) related with the sampling frequency. I will use 44.1 khz so 250 ms are ok?
2. Is it necessary to overlap the windows. For example 50% overlapping should be enough?
3. Do i need to use a hann window to do the overlapping or can i simply overlap it by simple code

Thanks for all the help
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