A Low Bit-Rate Speech Coder using the Perceptual Properties of the Human Ear

Hong Goo Kang, Jeong Tae Seo, Il Whan Cha, Dae Hee Youn

Research output: Contribution to conferencePaperpeer-review

Abstract

This study describes a low bit-rate speech coding algorithm which can be applied to half-rate digital cellular and storage systems. The coding algorithm employs the temporal integration effect of the human ear that perceives short time signals as occurring concurrently. Using the result of listening tests, the length of the analysis frame and the types of excitation signals were chosen to enhance the integration effect. Informal listening tests verified that the proposed method at the rate of 4kbit/s yields better subjective quality than the 4.8kbit/s DoD-CELP(Department of Defence-CELP).

Original languageEnglish
Pages711-714
Number of pages4
Publication statusPublished - 1995
Event4th European Conference on Speech Communication and Technology, EUROSPEECH 1995 - Madrid, Spain
Duration: 1995 Sept 181995 Sept 21

Conference

Conference4th European Conference on Speech Communication and Technology, EUROSPEECH 1995
Country/TerritorySpain
CityMadrid
Period95/9/1895/9/21

Bibliographical note

Publisher Copyright:
© 1995 4th European Conference on Speech Communication and Technology, EUROSPEECH 1995. All rights reserved.

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Software
  • Linguistics and Language
  • Communication

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