His SUCCEEDING with Microphone continuously

Hello

I'm working on a project and I need to be able to know when an alarm (alarm) is light with LabView. I try to directly use the microphone on the computer and now I can read the signals with the block "succeeding her.

I want to do is listening constantly and do a FFT of signals every 100 ms to see if my alarm is present (with a specific frequency).

My problem is that there is always a dead time of almost 300 ms between each measurement of the sound with the microphone and if I lose a large part of the signals.

Is it because of my hardware system (micro computer) or it is possible to improve it with the help of another block or other configuration?

I already searched the forum but not found this information.

Thank you

Jérôme

Hello

There is an example in the Finder for example called "continues its entry.

I think that this VI can solve your problem with the sync.

Concerning

Marco Meier

Tags: NI Software

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