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Using Acoustic Enhancement to Improve Speech Intelligibility

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The last decade, acoustic enhancement has been developed as an advanced tool of implementing variable acoustics in auditoria by electronic means. The implementations, however, have been limited to increasing the reverberation time of a hall, for instance to make a speech auditorium suitable for symphonic music. This paper describes the application of an acoustic enhancement system to improve the speech intelligibility of an auditorium only by adding early reflections, that is without increasing the reverberation time.

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AES - Audio Engineering Society