audio-check¶

This tool runs checks on the audio for problems such as all-zero runs or clipping. Also estimates signal-to-noise ratio.

The audio file should be a WAV file, mono, 16 KHz.

Usage¶

Reports audio file quality.

usage: audio-check wavfile
 options:
  -v [-v [-v]]     : increase verbosity

Example¶

% audio-check sampleAudio.wav

Clipping/Saturation:
No clipping / saturation - OK

Flat Waveform:
Problem: Flat for 1 msec.

Signal-to-Noise Ratio
Problem: low signal-to-noise ratio.
SNR estimate: 9.19 dBA (poor)