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feat: macOS VoiceProcessingIO for hardware AEC + delay-compensated NLMS
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- Add --os-aec flag: uses Apple VoiceProcessingIO audio unit for
  hardware echo cancellation (same engine as FaceTime)
- New vpio feature + audio_vpio.rs: combined capture+playback via VPIO
- Improved software AEC: delay-compensated leaky NLMS with Geigel DTD
  (60ms tail, 40ms delay, configurable via --aec-delay)
- Add --aec-delay flag for tuning software AEC delay compensation
- Add dev-fast Cargo profile (opt-level 2 with incremental compilation)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Siavash Sameni
2026-04-06 11:10:10 +04:00
parent 1b00b5e2a4
commit d1c96cd71f
7 changed files with 436 additions and 164 deletions
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Cargo.lock generated
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@@ -4212,6 +4212,7 @@ dependencies = [
"async-trait",
"bytes",
"chrono",
"coreaudio-rs",
"cpal",
"libc",
"rustls",