GB/T 12060.16-2017 Sound system equipment—Part 16: Objective rating of speech intelligibility by speech transmission index has been changed from GB/T 14476-1993 "RASTI" method for the objective estimating of speech intelligibility in auditoria.
GB/T 12060.16-2017 Sound system equipment—Part 16: Objective rating of speech intelligibility by speech transmission index has been changed from GB/T 15485-1995 Acoustics--Methods for the calculation of the articulation index of speech.
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