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An ADM Speech Coding with Time Domain Harmonic Scaling

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Advances in Speech Coding

Abstract

A semi-waveform speech coder is presented that combines adaptive delta modulation (ADM) with time domain harmonic scaling (TDHS) to achieve good quality speech coding at 4.4 kb/s. The use of TDHS reduces the transmission bit rate by 50%, while still maintaining good speech quality. Compared to other coding schemes of the same data-rate range, the proposed method is simple and fast. Another feature of this method is the variable output data-rate which is suitable for combined source and channel coding.

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References

  1. D. Malah, Time-Domain Algorithms for Harmonic Bandwidth Reduction and Time Scaling of Speech Signals, IEEE Trans. ASSP, Vol.ASSP-27, pp. 121–133, April 1979.

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  3. R. V. Cox, et al, A Sub-Band Coder Designed for Combined Source and Channel Coding, Proc. ICASSP, Vol 1, pp. 235–238, April 1988.

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  4. D. J. Goodman, C. E. Surdberg, Combined Source and Channel Coding for Variable-bit-rate Speech Transmission, B. S. T. J. vol. 62, no. 7, pp. 2017–2036, Sept. 1983.

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© 1991 Springer Science+Business Media New York

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Yuan, J., Chen, C.S., Zhou, H. (1991). An ADM Speech Coding with Time Domain Harmonic Scaling. In: Atal, B.S., Cuperman, V., Gersho, A. (eds) Advances in Speech Coding. The Springer International Series in Engineering and Computer Science, vol 114. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3266-8_36

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  • DOI: https://doi.org/10.1007/978-1-4615-3266-8_36

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-6437-5

  • Online ISBN: 978-1-4615-3266-8

  • eBook Packages: Springer Book Archive

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