SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECT (STQ) - GUIDANCE ON WRITING SPECIFICATIONS AND TESTS FOR NON-LINEAR AND TIME VARIANT TELEPHONY TERMINALS

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Derivation of requirement and selection of test method
  4.1 General Principles
  4.2 Basis for Requirements
  4.3 Guidelines for Test Procedure Specification
5 Descriptions of terminals considered as systems
  5.1 Classification and Coverage of terminals
  5.2 Description of a SPM as a subdivided system
  5.3 Black-box approach or use of prior knowledge
  5.4 Detector Types
6 Generic Signal Processing Method
  6.1 Commented template
Annex A (informative): Examples of SPM descriptions
    A.1 Frequency Multiplication
    A.2 Centre Clipping
    A.3 Automatic Gain Control (AGC)
History

The aim is to provide principle descriptions for speech transmission characteristics and form a basis, making users of this reportable, to devise specific suitable objectivity test methods for characterizing speech transmission performance. The emphasis will be on non-linear and/or time variant handset telephony terminals.

Committee	STQ
DocumentType	Standard
Pages	21
PublisherName	European Telecommunications Standards Institute
Status	Current

EG 201 377-1 : 1.3.2

SPEECH AND MULTIMEDIA TRANSMISSION QUALITY (STQ); SPECIFICATION AND MEASUREMENT OF SPEECH TRANSMISSION QUALITY; PART 1: INTRODUCTION TO OBJECTIVE COMPARISON MEASUREMENT METHODS FOR ONE-WAY SPEECH QUALITY ACROSS NETWORKS