A Theory of Loss-less Compression of High Quality Speech Signals with Comparison.

Hussain Mohammed Dipu Kabir, Syed Bahauddin Alam, Md Isme Azam, Rishad Ahmed, Md Riazul Islam, M. Asif Ul Hoque, Md Abdul Matin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The field of speech compression has advanced rapidly due to cost-effective digital technology and diverse commercial applications. In voice communication a real-time system should be considered. It is not still possible to compress signals without facing any loss in real-time system. This paper presents a theory of loss-less digital compression for saving high quality speech signals. Emphasis is given on the quality of speech signal. In hearing music high quality music is always needed, consuming smaller memory space. In this compression 8-bit PCM/PCM speech signal is compressed. When values of samples are varying they are kept same. When they are not varying the number of samples containing same value is saved. After compression the signal is also an 8-bit PCM/PCM but expansion is needed before hearing it. This technique may also be used in real-time systems.

Original languageEnglish (US)
Title of host publicationProceedings - UKSim 4th European Modelling Symposium on Computer Modelling and Simulation, EMS2010
Pages136-141
Number of pages6
DOIs
StatePublished - 2010
Externally publishedYes
EventUKSim 4th European Modelling Symposium on Computer Modelling and Simulation, EMS2010 - Pisa, Italy
Duration: Nov 17 2010Nov 19 2010

Conference

ConferenceUKSim 4th European Modelling Symposium on Computer Modelling and Simulation, EMS2010
Country/TerritoryItaly
CityPisa
Period11/17/1011/19/10

Keywords

  • Compression
  • Identifier
  • Lossless
  • LPC
  • MPEG-4
  • Probability
  • Repetition

ASJC Scopus subject areas

  • Applied Mathematics
  • Modeling and Simulation

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