📄️ Sensory Evaluation
📄️ Analysis
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📄️ Listener Panel
There are various approaches to assessing the audio quality of music or other audio signals such as speech. For example, numerous perceptual models of audio quality have been developed, such as the Perceptual Evaluation of Audio Quality (PEAQ), the Hearing-Aid Speech Quality Index (HASQI), and similarly the Hearing-Aid Audio Quality Index (HAAQI). These models can use software to simulate the human ear, auditory models, hearing loss, and hearing aid processing. Commonly, a degraded audio signal is compared with a reference signal in the perceptual models, and correlations between key audio features are performed to produce an evaluation metric of audio quality (e.g., ranging from 0 to 1). The HAAQI will be used to score your systems, but it is also important to collect data regarding the subjective perceptual experiences of listeners with hearing loss.