- Fix RNNoise configuration: use mono instead of stereo, increase VAD threshold to 95%
- Adjust quantum settings: increase min-quantum to 64 for stability
- Add comprehensive voice distortion troubleshoot script
- Create optional disable-auto-rnnoise.nix for problematic setups
- The automatic RNNoise filter can cause artifacts, script helps diagnose and fix
- Remove services.udev.packages with alsa-utils (causing udev rules conflict)
- Keep services.pipewire.alsa.enable for ALSA compatibility
- Re-enable alsa-utils in system packages for testing utilities
- ALSA compatibility maintained through PipeWire, not udev rules
- Add modules/sound/pipewire.nix with full PipeWire stack
- Include RNNoise AI-powered noise suppression
- Add EasyEffects with pre-configured presets for mic and speakers
- Include multiple GUI applications (pavucontrol, helvum, qpwgraph, pwvucontrol)
- Add helper scripts: audio-setup, microphone-test, validate-audio
- Optimize for low-latency real-time audio processing
- Enable auto-start and desktop integration
- Remove duplicate PipeWire configs from hardware-co.nix and users/common.nix
- Import sound module through desktop/common.nix for all desktop machines
