Hybrid Companding Delta Modulation with Variable-Rate Sampling 593

  title={Hybrid Companding Delta Modulation with Variable-Rate Sampling 593},
  • Published 2000
Hybrid companding delta modulation (HCDM) is known to be superior in performance to other instantaneous or syllabic companding delta modulation systems [l]. To improve its performance or to reduce the bit rate further in coding speech, we propose to. use a variable-rate sampling scheme in the HCDM system. The proposed system employs several different sampling rates but transmits the output binary signal at a fixed rate using a buffer. By using the variable-rate scheme, one can improve its… CONTINUE READING


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