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Extending the E-Model for Capturing Noise Reduction and Echo Canceller Impairments

The E-model for predicting speech quality mouth-to-ear can be extended with additional parameters to describe the effect of imperfect noise reduction and echo cancellation. As shown by subjective tests, quality-prediction accuracy of noise reduction and echo cancelling improves. Future work is planned to better refine the proposed approach.

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JAES Volume 60 Issue 3 pp. 165-175; March 2012
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