---
source_path: "tools/audio-check.md"
canonical_url: "https://doc.sensory.com/tnl/7.8/tools/audio-check/"
---

# 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

```console
% 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)
```

<!-- Abbreviation definitions from includes/abbreviations.md -->
*[TNL]: TrulyNatural, Sensory's large-vocabulary speech recognition technology