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Very low data rate speech compression with LPC vector and matrix quantization | IEEE Conference Publication | IEEE Xplore

Very low data rate speech compression with LPC vector and matrix quantization


Abstract:

Frame predictive vector quantization is developed to compress the bit rate for coding the LPC filter coefficients to under 250 bits/sec. An innovative LPC compression tec...Show More

Abstract:

Frame predictive vector quantization is developed to compress the bit rate for coding the LPC filter coefficients to under 250 bits/sec. An innovative LPC compression technique, matrix quantization, is also developed to compress the LPC filter coefficients to a rate under 150 bits/sec. Subjective evaluation with the diagnostic rhyme test (DRT) finds the proposed techniques to be feasible for intelligible speech transmission at bit rates between 400 bits/sec and 200 bits/sec.
Date of Conference: 14-16 April 1983
Date Added to IEEE Xplore: 29 January 2003
Conference Location: Boston, MA, USA

References

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