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39 lines
2.3 KiB
Markdown
39 lines
2.3 KiB
Markdown
# Captured PCM range rejection — 2026-09-24
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Historical observations; not permission for additional recording or inference.
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After the wearer enabled advanced debugging and retried speech, the private
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worker log showed successful requests followed by an inference-stage exception:
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`ValueError: PCM must contain finite samples in [-1, 1]`, raised by the runtime's
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`_float_pcm` validation. No captured speech or full private log is reproduced here.
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Both native submission and Python clip reading already rejected nonfinite values;
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finite amplitude overshoot was not bounded. The precise source of that overshoot
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(microphone gain, capture processing or resampling) was not measured.
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Commit `019b813` saturates finite microphone samples to `[-1, 1]` after SDL
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conversion, preserving in-range samples and clip length. It does not rescale
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whole clips or accept NaN/infinity. `Worker::submit` independently validates the
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range before clip-file/IPC mutation. Fake-device and IPC regression tests cover
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both signs of overshoot, extreme finite values, exact boundaries, unchanged
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ordinary samples, nonfinite rejection and subsequent capture recovery.
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Local default CTest passed 13/13; local native hardware-free CTest passed 16/16.
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The coordinated native Git snapshot also includes `3c03f88f`, which changes the
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Bindings button to open SteamVR's editor directly. Its source diff was reviewed
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before the combined build; no competing installer was run.
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ARM64 native hardware-free CTest: 16/16. Installed/verified build:
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`2026-09-24T191513Z-g3c03f88f`.
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Native-only package SHA-256:
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`d8433bc6e9e84ee9b54728d99cf1f7631dd999d6aee562a54cc0d04cad484716`.
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Installed `--version`, `current` selection and the relaunched executable path
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matched. `previous` retains `2026-09-24T190806Z-g6592e1af`.
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User config and authorized runtime/model paths hashes were unchanged across
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installation; advanced debugging remained enabled by the user. No FrameYap
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process was running at the pre-install check. Only FrameYap was launched;
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no SteamVR, SSH or user-session process was stopped. The new diagnostic log
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was mode 0600. No assistant-triggered recording, private-audio replay, public
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fixture inference or input injection was performed. Actual speech retry after
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this fix, recognition quality and headset interaction remain wearer-led checks.
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