Sample MP3 5MB File
MP3 audio — 192 kbps, tone or sweep
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Download 5MB MP35 MBTestFile-mp3-5mb.mp3
File details
| Format | MP3 |
| Extension | .mp3 |
| MIME type | audio/mpeg |
| Size | 5 MB |
| Exact bytes | 5,242,880 |
| Filename | TestFile-mp3-5mb.mp3 |
| Format version | MPEG-1 Layer 3 (MP3), 128 kbps CBR |
| Contents | 440 Hz sine tone, ~5.5 min; 128 kbps CBR; stereo; 44.1 kHz; no ID3 metadata |
| Encoding | MPEG-1 Layer 3, 128 kbps CBR; stereo joint encoding; 44.1 kHz; ~28,000 frames |
What is a 5MB MP3 file useful for?
A 5.5-minute, 128 kbps MP3 is the standard size for a podcast episode segment or a complete background music track. Use it to test that your audio upload pipeline handles files long enough to exercise async processing — waveform generation, transcoding to streaming format, and storage upload — and to verify that audio player seek accuracy is maintained over a multi-minute track. It is also the right size for testing audio content delivery network configuration.
What's inside this file?
Generated by ffmpeg. A 440 Hz sine tone approximately 5.5 minutes long at 128 kbps CBR, stereo, 44.1 kHz. At this duration the file contains approximately 28,000 MPEG audio frames. MP3's CBR structure makes this file trivially seekable — each frame is exactly 417–418 bytes at 44.1 kHz, so any byte offset can be converted to a timestamp without reading preceding frames.
Download via curl
curl -L "http://localhost:8000/files/mp3/TestFile-mp3-5mb.mp3" \ -o TestFile-mp3-5mb.mp3
Need different parameters?
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