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Use case · 22 files

Test audio playback

Test signals are more useful than music for checking an audio pipeline, because you know exactly what you should hear. These files combine synthesized music with classic calibration signals.

Download all with curl
Download 22 files (36.5 MB)Shell
# 22 files, 36.5 MB in total
while read -r url; do curl -LO --fail "$url"; done <<'EOF'
https://files.samplefiles.com/audio/mp3/sample-30s-64kbps.mp3
https://files.samplefiles.com/audio/mp3/sample-30s-128kbps.mp3
https://files.samplefiles.com/audio/mp3/sample-30s-320kbps.mp3
https://files.samplefiles.com/audio/mp3/sample-30s-vbr.mp3
https://files.samplefiles.com/audio/mp3/sample-30s-mono.mp3
https://files.samplefiles.com/audio/wav/sample-30s.wav
https://files.samplefiles.com/audio/flac/sample-30s.flac
https://files.samplefiles.com/audio/ogg/sample-30s.ogg
https://files.samplefiles.com/audio/opus/sample-30s.opus
https://files.samplefiles.com/audio/m4a/sample-30s.m4a
https://files.samplefiles.com/audio/aac/sample-30s.aac
https://files.samplefiles.com/audio/wav/sample-tone-10s.wav
https://files.samplefiles.com/audio/wav/sample-sweep-10s.wav
https://files.samplefiles.com/audio/wav/sample-left-right-10s.wav
https://files.samplefiles.com/audio/wav/sample-pink-noise-10s.wav
https://files.samplefiles.com/audio/wav/sample-silence-10s.wav
https://files.samplefiles.com/audio/flac/sample-30s-24bit-96khz.flac
https://files.samplefiles.com/audio/wav/sample-10s-32float-96khz.wav
https://files.samplefiles.com/audio/wav/sample-surround-51-12s.wav
https://files.samplefiles.com/audio/m4a/sample-surround-51-12s.m4a
https://files.samplefiles.com/edge-cases/corrupt/corrupted-middle.mp3
https://files.samplefiles.com/edge-cases/empty/zero-byte.mp3
EOF

MP3 bitrates

From 64 kbps mono to 320 kbps, and VBR.

FileSizeDetails
MP3 30 seconds, 64 kbpssample-30s-64kbps.mp3234 KB30s · MP3Download
MP3 30 seconds, 128 kbpssample-30s-128kbps.mp3469 KB30s · MP3Download
MP3 30 seconds, 320 kbpssample-30s-320kbps.mp31.1 MB30s · MP3Download
MP3 30 seconds, VBR V0sample-30s-vbr.mp3643 KB30s · MP3Download
MP3 30 seconds, mono 64 kbpssample-30s-mono.mp3234 KB30s · MP3Download

Formats

The same 30-second track in every common format.

FileSizeDetails
WAV 30 seconds, 16-bit 44.1 kHzsample-30s.wav5 MB30s · PCM 16-bitDownload
FLAC 30 seconds, 16-bit 44.1 kHzsample-30s.flac998 KB30s · FLACDownload
OGG 30 seconds, Vorbis ~160 kbpssample-30s.ogg225 KB30s · VorbisDownload
OPUS 30 seconds, 96 kbpssample-30s.opus479 KB30s · OpusDownload
M4A 30 seconds, AAC 128 kbpssample-30s.m4a488 KB30s · AACDownload
AAC 30 seconds, ADTS 128 kbpssample-30s.aac491 KB30s · AACDownload

Test signals

Known signals make it easy to hear or measure problems.

FileSizeDetails
WAV 440 Hz tone, 10 seconds (16-bit 48 kHz)sample-tone-10s.wav937 KB10s · PCM 16-bitDownload
WAV frequency sweep, 10 seconds (16-bit 48 kHz)sample-sweep-10s.wav937 KB10s · PCM 16-bitDownload
WAV left/right channel test, 10 seconds (16-bit 48 kHz)sample-left-right-10s.wav1.8 MB10s · PCM 16-bitDownload
WAV pink noise, 10 seconds (16-bit 48 kHz)sample-pink-noise-10s.wav937 KB10s · PCM 16-bitDownload
WAV silence, 10 seconds (16-bit 48 kHz)sample-silence-10s.wav1.8 MB10s · PCM 16-bitDownload

Hi-res and surround

Higher sample rates and bit depths, and 5.1 channel checks.

FileSizeDetails
FLAC 30 seconds, 24-bit 96 kHzsample-30s-24bit-96khz.flac5.2 MB30s · FLACDownload
WAV 10 seconds, 32-bit float 96 kHzsample-10s-32float-96khz.wav7.3 MB10s · PCM 32-bit floatDownload
WAV 5.1 surround channel test, 12 seconds (16-bit 48 kHz 5.1)sample-surround-51-12s.wav6.5 MB12s · PCM 16-bitDownload
M4A 5.1 surround channel test, 12 seconds (AAC 5.1)sample-surround-51-12s.m4a212 KB12s · AACDownload

Broken audio

Corrupted frames and an empty file.

FileSizeDetails
MP3 with corrupted framescorrupted-middle.mp3469 KBGlitch at about 15 seconds.Download
Zero-byte .mp3 filezero-byte.mp30 BDownload