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Working specimen. The audio, every measurement, and the named tool on this page are real. The written story is not yet supplied, and is left blank rather than guessed.

Release Story / Edition 002

Demo and final, aligned

Untitled

Joe Benso

0:00 / 2:14

Press play. Switch between Demo and Final to hear what changed.

Demoas performed · 1:40
Finalas released · 2:14

You are hearing the final. Switch whenever you like.

  • performed by the artist
  • generated, no counterpart in the demo
  • the same musical moment in both

Receipts

Measured from the two files, not supplied by the artist. Read together they show what the process added and what it cost.

Runtime
1:402:1435% longer
Generated
none31s23% of the final has no counterpart in the demo
Tempo
89.1 BPM89.1 BPMunchanged
Channels
monostereo
Frequency ceiling
4.4 kHz7.7 kHz95% of energy falls below this
Loudness
-16.7 LUFS-14.6 LUFSintegrated, EBU R128
Dynamic range
6.4 LU2.9 LUnarrower in the final
True peak
0.1 dBFS-3.5 dBFSthe demo clips; the final leaves headroom

Both versions encoded identically for this comparison: AAC 192 kbps, 48 kHz, stereo. Nothing you hear in the comparison is a side effect of one version being a better file than the other.

Disclosure

Human source
The demo above, 100 seconds, recorded in mono. It is the earlier of the two files and the one every measurement is compared against.
Tools used
Suno 5.5
Story
Not yet supplied by the artist.
Rights
Self-attested by the artist. SoundLouder shows evidence and attestations; it does not claim legal certification. Disputed pages are reviewed and can be taken down.
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