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Produce at least ~14 hours of augmented speech

--- a/dnn/denoise.c

+++ b/dnn/denoise.c

@@ -642,6 +642,7 @@

   float speech_gain=1;

   int last_silent = 1;

   float old_speech_gain = 1;

+  int one_pass_completed = 0;

   DenoiseState *st;

   st = rnnoise_create();

   if (argc!=4) {

@@ -663,7 +664,9 @@

     for (i=0;i<FRAME_SIZE;i++) x[i] = tmp[i];

     fread(tmp, sizeof(short), FRAME_SIZE, f1);

     if (feof(f1)) {

-      return 0;

+      rewind(f1);

+      fread(tmp, sizeof(short), FRAME_SIZE, f1);

+      one_pass_completed = 1;

     }

     for (i=0;i<FRAME_SIZE;i++) E += tmp[i]*(float)tmp[i];

     silent = E < 5000 || (last_silent && E < 20000);

@@ -681,6 +684,7 @@

       continue;

     }

     last_silent = silent;

+    if (count==5000000 && one_pass_completed) break;

     if (++gain_change_count > 2821) {

       speech_gain = pow(10., (-20+(rand()%40))/20.);

       if (rand()%20==0) speech_gain *= .01;

-- 

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