1.8.0 with AGC

Multi-Band Automatic Gain Control (AGC):
Replaced the legacy single-band loudness detector with a sophisticated multi-band downward-only AGC system.
Incorporated a high-fidelity Linkwitz-Riley crossover to split the audio signal into distinct bass and master processing bands.
Added parametric sidechain weighting filters (mono & stereo) to dynamically match human perceived volume contour curves (ISO 226).
Implemented anti-breathing mechanisms: Silence Gate (freezing gain during quiet passages) and an adjustable AGC Comfort Window (dead zone).
Implemented two-way bass-to-master coupling limits (clamping bass gain relative to master gain) to preserve stereo image coherence and frequency balance.

Post-AGC Compressor:
Added a newly designed PostAgcCompressor featuring adjustable attack/release constants, knee width, threshold, and ratio settings to smoothly control transient peaks post-normalization.

With AGC test

Test new AGC vesion