Minimum Mean-Squared-Error Quantization in Speech PCM and DPCM Systems |
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| Authors: | Paez M. Glisson T. |
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| Affiliation: | North Carolina State Univ., Raleigh, NC, USA; |
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| Abstract: | The optimum (minimum mean-squared-error) and optimum uniform quantizing characteristics for Laplacian- and gamma-distributed signals are given in tabular form. The performance of these quantizers in real speech pulse-code modulation (PCM) and differential pulse-code modulation (DPCM) systems is investigated and compared with that obtained when the μ-law quantizing characteristic is used. |
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