| Paper: | SP-P13.6 | ||
| Session: | General Topics in Robust Speech Recognition | ||
| Time: | Thursday, May 20, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Speech Processing: Robust Speech Recognition | ||
| Title: | INVESTIGATIONS INTO THE RELATIONSHIP BETWEEN MEASURABLE SPEECH QUALITY AND SPEECH RECOGNITION RATE FOR TELEPHONY SPEECH | ||
| Authors: | Hanwu Sun; Institute for Infocomm Research | ||
| Louis Shue; Institute for Infocomm Research | |||
| Jianfeng Chen; Institute for Infocomm Research | |||
| Abstract: | In this paper, an investigation to establish a possible relationship between the performance of a telephony speech recognition system and the method for objective speech quality assessment described in ITU-T Recommendation P.862, known as perceptual Evaluation of Speech Quality (PESQ), is presented. Experiments using various additive background noises, and at different separations between the microphone and the sound-source have been conducted to establish such a relationship. The preliminary results suggest that telephony speech recognition rates can be mapped to the Mean-Opinion-Score (MOS) obtained by PESQ using a relatively simple polynomial relationship. This indicates that the PESQ MOS can act as a reliable predictor for the achievable speech recognition rates for telephony-based speech recognition system. | ||
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