PEAQ: Fully Compliant with ITU-R BS.1387 Standard

PEAQ is fully compliant with the ITU-R BS.1387 standard and is applicable to high-quality audio signals with sampling frequencies of 44.1-48 kHz. As a widely adopted standard in the audio domain, PEAQ performs measurements and evaluations of audio signals to generate objective quality assessment results. The implementation typically involves calculating perceptual model parameters (such as loudness, sharpness, and modulation) through FFT-based spectral analysis and comparing reference vs. degraded signals using cognitive weighting. This tool assists audio engineers and professionals in determining audio quality and making corresponding optimizations. Additionally, PEAQ is extensively used in audio compression and transmission fields, where it helps improve transmission efficiency while maintaining quality during compression processes. In practice, integration often involves MATLAB/Python implementations of critical functions like bark spectral analysis and disturbance calculation. Overall, PEAQ serves as a vital tool with significant implications for both research and applications in the audio industry.