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- W1593996334 abstract "Telephone calls will increasingly involve a large number of multi-link circuits incorporating a variety of speech coding devices. This paper presents the results of a subjective evaluation which makes the first attempt to estimate voice quality of international connections when different wireless coding methods are used in the presence of channel-impairments. The methods evaluated included: 8 kb/s VSELP, 13 kb/s RPE-LTP, 32 kb/s ADPCM, and 16 kb/s LD-CELP. From this it was concluded that when wireless cellular links are in degraded state, end-to-end network performance is unlikely to meet transmission performance standards for fixed-wireline connections. Further, fixed-radio links, which are assumed to be provisioning the international part of the connection, do not appear to be contributing to the reduced performance." @default.
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- W1593996334 date "2002-12-23" @default.
- W1593996334 modified "2023-09-25" @default.
- W1593996334 title "Voice quality of digital wireless networks under fading channel conditions" @default.
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- W1593996334 doi "https://doi.org/10.1109/vetec.1996.503441" @default.
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