Speech intelligibility calculation method, speech intelligibility calculation device, and speech intelligibility calculation program

摘要

The speech intelligibility calculation method is a speech intelligibility calculation method executed by a speech intelligibility calculation apparatus, and is a feature amount obtained by analyzing input clean speech and emphasized speech by using one or more filter banks. A voice intelligibility calculation step of calculating a voice intelligibility which is an objective evaluation index of voice quality based on a difference component of the voice quality, and a step of outputting the voice intelligibility calculated in the voice intelligibility calculation step. The speech intelligibility can be calculated accurately without depending on the emphasis method.