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Self-contained mic vs system-audio skew probe - #6
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…s both channels Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Pop6MMPof79Dd7oPc93QUj
…tputs Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Pop6MMPof79Dd7oPc93QUj
Its base, the old work branch, was merged into main (PR #3). Merged cleanly; the probe tool builds with 0 warnings and all 304 Core tests pass. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Before: measuring the skew needed a recording where the microphone clearly heard the speakers; two Windows recordings had correlation 0.05 and 0.23, so the numbers meant nothing.
After:
ChannelSkew --probeopens the app's combined lease, plays a known noise-burst train through the default output, and finds it in each channel with a matched filter, so no app UI or loud recording is needed. It prints each side's correlation and says when a result is unusable.How:
ReferenceLocator(FFT cross-correlation, unit tested with faint and noisy signals),Probe.cs, and aTonePlayer(WASAPI on Windows, paplay elsewhere). Linux null-sink check: +14 ms. Not run on Windows.🤖 Generated with Claude Code
https://claude.ai/code/session_01Pop6MMPof79Dd7oPc93QUj
Generated by Claude Code