| 单词 | mu-law (µ-law) |
| 释义 | mu-law (µ-law) A voice companding technique specified in the ITU-T G.711 Recommendation for pulse code modulation (PCM).This technique, which is used primarily in the North American and Japanese digital hierarchies (i.e., T-carrier and J-carrier, respectively), converts 14-bit linear PCM samples into 8-bit compressed samples. A-law is a similar, but not exactly compatible, companding technique used in the European hierarchy (i.e., E-carrier). In an international circuit, if one national network uses A-law and the other uses mu-law, a gateway is used to resolve the incompatibility. In the absence of a gateway, the voice signal is intelligible, if a bit odd-sounding. See also A-law, companding, E-carrier, G.711, gateway, ITUT, J-carrier, PCM, and T-carrier. |
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