Test files › Audio and video › silence-5s.mp3
Sample MP3 file (silence 5s)
Five seconds of silence as MPEG-1 Layer III, 128 kbps, 44.1 kHz mono, with an ID3v2.3 tag carrying a title and artist.
↓ Download silence-5s.mp3| Filename | silence-5s.mp3 |
| Format | MP3 |
| Size | 77.9 KB (79,729 bytes) |
| MIME type | audio/mpeg |
| SHA-256 | 5102d6ffd03351862cec6b16cdaf34d0e2288bc3d8879e83e6676b8e9a76e4e8 |
What this file catchesAudio upload and metadata handling. Starts with the ASCII marker ID3 rather than an MPEG sync word, which is exactly what trips signature checks that only look for 0xFFFB. Also confirms a reader skips the syncsafe-sized ID3 tag before hunting for the first frame.
Download & verify
curl -fsSL -o "silence-5s.mp3" "https://files.hexaqa.com/audio/silence-5s.mp3"
curl -fsSL "https://files.hexaqa.com/audio/silence-5s.mp3" | sha256sum
# expect: 5102d6ffd03351862cec6b16cdaf34d0e2288bc3d8879e83e6676b8e9a76e4e8