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DJ. Goodman «Cellular packet Communications» in IEEE Tr. on Communications, voi. 38, Agosto 1990, pp. 1272-1280.
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| [Gra76]
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A. Gray, J.D. Markel, «Distance measures for speech processing» in IEEE Tr. on ASSP, voi. ASSP-24, n. 5, Ottobre 1976, pp. 380-391.
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European Conference of Post and Telecommunications Administrations «GSM full rate speech transcoding» CEPT/GSM Recommendation 06.10, 1989.
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S. Haykin «Adaptive Filter Theory» Prentice-Hall, 1986.
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W. Hess «Pitch determination of speech signals» Springer-Verlag, Berlin 1983.
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| [Hon84]
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M. Honda, F. Itakura «Bit allocation in time and frequency domains for predicdve coding of speech» in IEEE Tr. on ASSP, voi. ASSP-32, n. 3, Giugno 1984, pp. 465 - 473.
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| [Ita75]
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F. Itakura «Line spectrum representation of linear predictive coefficients of speech signals» in J. Acoust. Soc. Am., 57, 535(A), 1975.
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| [ITUTG.132]
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International Telecommunication Union «Attenuation Distortion» ITU-T Recommendation G.132,1988.
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| [ITUTG.711]
|
International Telecommunication Union «Pulse Code Modulation (PCM) of Voice Frequencies» ITU-T Recommendation G.711, 1972.
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| [ITUTG.712]
|
International Telecommunication Union «Performance Characteristics of PCM Channels Between 4-wire Interfaces at Voice Frequencies» ITU-T Recommendation G.712, 1972.
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| [ITUTG.721]
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International Telecommunication Union «32 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM)» ITU-T Recommendation G.721,1984.
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| [ITUTG.722]
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International Telecommunication Union «7 kHz Audio-Coding within 64 kbit/s» ITU-T Recommendation G.722,1988.
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| [ITUTG.727]
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International Telecommunication Union «General aspects of digitai transmission Systems; terminal equipments. 5,4,3 and 2 bits sample embed ded adaptive differential pulse code modulation (ADPCM)» ITU-T Recommendation G.727.
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