Test files › Audio and video › silence-30s.wav
30-second silent WAV file
30 seconds of digital silence, 16-bit PCM mono.
↓ Download silence-30s.wav| Filename | silence-30s.wav |
| Format | WAV |
| Size | 2.5 MB (2,646,044 bytes) |
| MIME type | audio/wav |
| SHA-256 | 34e20072bd56124004287878b329f8869869aba39273214720521bf7a0a3425f |
What this file catchesTranscription and voice-activity pipelines that hang or return an empty result without distinguishing "no speech" from "processing failed". Also normalisation code that divides by peak amplitude - here, zero.
Download & verify
curl -fsSL -o "silence-30s.wav" "https://files.hexaqa.com/audio/silence-30s.wav"
curl -fsSL "https://files.hexaqa.com/audio/silence-30s.wav" | sha256sum
# expect: 34e20072bd56124004287878b329f8869869aba39273214720521bf7a0a3425f