Audio

Sample MP3 10MB File

MP3 audio — 192 kbps, tone or sweep

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Download 10MB MP310 MB

TestFile-mp3-10mb.mp3

File details

FormatMP3
Extension.mp3
MIME typeaudio/mpeg
Size10 MB
Exact bytes10,485,760
FilenameTestFile-mp3-10mb.mp3
Format versionMPEG-1 Layer 3 (MP3), 128 kbps CBR
Contents440 Hz sine tone, ~11 min; 128 kbps CBR; stereo; 44.1 kHz; ~56,500 frames; no ID3 metadata
EncodingMPEG-1 Layer 3, 128 kbps CBR; stereo joint encoding; 44.1 kHz

What is a 10MB MP3 file useful for?

An 11-minute, 128 kbps MP3 represents a full podcast episode segment, a conference talk audio track, or a background music album track. Use it to test that audio upload processing is fully asynchronous (waveform generation for 11 minutes of audio takes several seconds), that CDN range requests support mid-stream seek correctly, and that your audio storage pipeline uses appropriate chunked transfer for files in this size range.

What's inside this file?

Generated by ffmpeg. A 440 Hz sine tone approximately 11 minutes long at 128 kbps CBR, stereo, 44.1 kHz. Contains approximately 56,500 MPEG audio frames. No ID3 metadata. At this duration, librosa's default load() decodes the full audio into a NumPy array of approximately 29 million float32 samples — 116 MB of RAM — making lazy/streaming decode preferable for most processing pipelines.

Download via curl

curl -L "http://localhost:8000/files/mp3/TestFile-mp3-10mb.mp3" \
  -o TestFile-mp3-10mb.mp3

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