Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Characteristics, test methods and quality assessment
  4.1 Environmental conditions for a car type handsfree
      Mobile Station
  4.2 Delay in handsfree terminals implemented with
      signal processing techniques
  4.3 Speech quality assessment
Annex A: Subjective Tests from UTS
Annex B: Bibliography
     B.1 References of TD presented in SMG2/ad hoc 03.50
         meetings
     B.2 References from subclause 4.1
     B.3 References from subclause 4.2.1
     B.4 References from subclause 4.3.1
     B.5 References from subclause 4.3.3
Annex C: Document change history
History

Abstract

This report gives some guidelines to implement test methods and to evaluate the transmission quality of handsfree Mobile Stations (MS)s. The normative characteristics and test methods for handsfree Mobile Stations (MS)s are defined in ETS 300 903 (GSM 03.50). This Technical Report gives additional data. It includes summaries of texts or contributions presented and discussed during the meetings of ad hoc group SMG2/03.50 on environmental conditions, speech processing and quality assessment for handsfree Mobile Station. The items covered by this report are mainly - Environmental conditions for handsfree mobile stations - Speech processing techniques and consequences on delay - Speech quality assessment for handsfree implementing acoustic echo cancellation and noise reduction.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 11