search for: active_bands

Displaying 2 results from an estimated 2 matches for "active_bands".

2005 Jun 20
1
Speech detection in preprocessor with echo
...able adaptation, so I can freeze it at a certain level while speech is not detected. It's mostly just a matter of doing this at the end of speex_compute_agc(): if (!st->agc_frozen) { agc_gain = st->agc_level/st->loudness2; /*fprintf (stderr, "%f %f %f %f\n", active_bands, st->loudness, st->loudness2, agc_gain);*/ if (agc_gain>st->agc_max_gain) /* was 200 */ agc_gain = st->agc_max_gain; /* was 200*/ } else agc_gain = st->agc_gain; st->agc_gain = agc_gain; and adding a few items to speex_preprocess_ctl() and the state struc...
2005 Jun 22
1
Speech detection in preprocessor with echo
...; speech is not detected. It's mostly just a matter of doing this at the > > end of speex_compute_agc(): > > > > if (!st->agc_frozen) > > { > > agc_gain = st->agc_level/st->loudness2; > > /*fprintf (stderr, "%f %f %f %f\n", active_bands, st->loudness, st->loudness2, agc_gain);*/ > > if (agc_gain>st->agc_max_gain) /* was 200 */ > > agc_gain = st->agc_max_gain; /* was 200*/ > > } > > else > > agc_gain = st->agc_gain; > > st->agc_gain = agc_gain; > >...