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Hi, I want to detect speech locations from raw WAV file. For example a 10 sec WAV file contains silence/noise for 1st sec, speech for next 4 seconds, then silence/noise for next 2 seconds and speech for next 3 seconds. I want to generate an information that this WAV file has speech from 1-5 seconds and from 8-10 seconds. How I can do that by using preprocessor utility of libspeexdsp? With Best