Web Audio Duration Changes After detune? Check the Rate
Calculate the combined playback rate, then verify the output duration in the player.


Calculate the combined playback rate, then verify the output duration in the player. Use a project copy with fixed versions, motion and assets, then record each change.
Hold the shared structure
official reference documents the relevant behavior. Log each parameter separately so paths, mesh structure and runtime state are not changed together.
Run a repeatable comparison
Keep a baseline, change one variable at a time, and save captures, timings and output files. If the issue depends on load or transition order, inspect caching and integration order.
Verify the handoff
related guide covers the earlier check. Review compatible assets in the Spine Workbench, then validate the final behavior in the target project.
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