Nhjieas

Nhjieas is a professional cassette deck bias calibration and recording noise floor measurement utility designed for analog audio enthusiasts and technicians. Features include real-time VU level metering, adjustable bias control with precision stepper, frequency response curve analyzer with A/B comparison mode, multi-point EQ curve simulation (120μs/70μs), optimal bias calculation engine, full 7-step deck calibration procedure with azimuth alignment tools, dual-channel balance monitoring, and detailed recording log with search, filter, and sort capabilities. Supports Type I, Type II, and Type IV tape formulations at multiple transport speeds. All measurement data is stored locally for long-term tracking and reference.