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ISO/TR 4870:1991 PDF
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Acoustics — The construction and calibration of speech intelligibility tests
Describes: a) the methods for the construction of speech tests for the measurement of the intelligibility of transmitted speech; b) a reference communication system and the necessary test conditions.
| Edition | 1991 |
|---|---|
| Published Date | 1991 |
| Published By | International Standardization Organisation/Technical Reference |
| Page Count | 22 |
