The speech transmission quality between mouth & ear for ISDN telephony 3.1 kHz & 7 kHz teleservice. Parameters: loudness rating & frequency response, quantizing distortion, delay & echo
- Edition:
- 1
- Published:
- 07/01/1996
- Number of Pages:
- 208
- File Size:
- 1 file , 1.8 MB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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