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Discussion Groups | Matlab DSP | get audio and video from the network camera

Technical discussion about Matlab and issues related to Digital Signal Processing.

  

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get audio and video from the network camera - sal - May 22 6:17:33 2008



Hi !
I am doing my final project about event detection in indoor video
surveillance, I am using Axis 207w network camera, I did the
implementation to read the video and analysize the images to classify
the events in the scene. I want to modify the system by using the
audio also to robust the system. the axis207w has already built in
microphone, but I have problem to record avi movies (containing audio
and video) in the PC. with only video I don't have problem. and also
in delay, when I play liveshow in the PC, I can easy notice the big
delay between images and video (more than 3 seconds), so please if
someone has ideas to solve the problems,1) record avi movies including
audio from axis207w network camera. 2) how to analysis audio in matlab
to be synchronized with the images.
I already wrote the function to read avi with audio, but I don't know
how to connect the information from audio signal to each frame,
(considering the delay).

thank you a lot
Saleh 


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