Sample FLAC 50MB File
FLAC — lossless compressed audio
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Download 50MB FLAC50 MBTestFile-flac-50mb.flac
File details
| Format | FLAC |
| Extension | .flac |
| MIME type | audio/flac |
| Size | 50 MB |
| Exact bytes | 52,428,800 |
| Filename | TestFile-flac-50mb.flac |
| Format version | FLAC (Free Lossless Audio Codec) 1.3 |
| Contents | 440 Hz sine tone, ~19 min; 44.1 kHz, 16-bit, stereo; FLAC lossless compression |
| Encoding | FLAC lossless; 44,100 Hz; 16-bit; stereo; LPC + Golomb-Rice; seekable frame structure |
What is a 50MB FLAC file useful for?
A 50 MB FLAC file provides approximately 19 minutes of lossless audio — a complete music album side, a long-form radio program master, or an archival field recording. Use it to verify that large lossless audio uploads are handled via multipart upload, that archival storage preserves the file without re-encoding, and that asynchronous FLAC-to-AAC transcoding pipelines handle long-duration audio within their timeout. Integrity verification via the STREAMINFO MD5 is especially important for archival files this large.
What's inside this file?
Generated by ffmpeg. A 440 Hz sine tone approximately 19 minutes long at 44.1 kHz, 16-bit, stereo. The equivalent uncompressed WAV would be approximately 400 MB. FLAC LPC compression on the sine content achieves ~8:1. Full decode via librosa would load approximately 400 MB of float32 data into RAM — always use streaming frame-by-frame decoding for FLAC files above 10 MB.
Download via curl
curl -L "http://localhost:8000/files/flac/TestFile-flac-50mb.flac" \ -o TestFile-flac-50mb.flac
Need different parameters?
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