36       printf("file sizes do not match (last %zu %zu)", read_samples_in, read_samples_ref);  in getSignalNoise()
52   printf("\nUsage: ");  in printUsage()
53   printf("\n     snr <ref_file> <test_file> [options]\n");  in printUsage()
54   printf("\nwhere, \n     <ref_file>  is the reference file name");  in printUsage()
55   printf("\n                  on which will be taken as pure signal");  in printUsage()
56   printf("\n     <test_file> is test file for snr calculation");  in printUsage()
57   printf("\n     and options are mentioned below");  in printUsage()
58   printf("\n");  in printUsage()
59   printf("\n     -pcm_format:<pcm format of input files>");  in printUsage()
60   printf("\n           0 - 16 bit pcm");  in printUsage()
61   printf("\n           1 - 32 bit float");  in printUsage()
62   printf("\n           default 0");  in printUsage()
63   printf("\n     -thr:<threshold value>");  in printUsage()
64   printf("\n           default - negative infinity\n\n");  in printUsage()
84     printf("\nError: missing input/reference files\n");  in main()
95       printf("%.6f less than threshold %.6f\n", snr, thr);  in main()
98       printf("%.6f\n", snr);  in main()