Table of Contents

1              Scope                   

2              References                        

3              Definitions                         

3.1          Terms defined elsewhere                            

3.2          Terms defined in this Recommendation                

4              Abbreviations and acronyms                      

5              Conventions                     

6              Overview of test signals and typical applications                

7              Types of test signals                       

7.1          Non-speech-like (fully artificial) signals                  

7.2          Speech-like signals                         

7.3          Speech signals                  

7.4          Additional languages                     

Annex A – Test signals for terminal coupling loss tests                    

Annex B – Speech files and noise sequences                       

B.1          General                

B.2          Description of the recording procedure used for speech signals                  

B.3          Test sentences                 

B.4          Noise sequences                             

Annex C – Speech files prepared for use with ITU-T P.800 conformant applications and perceptual-based objective speech quality prediction                            

C.1          General               

C.2          Test sentences                 

Annex D – Speech files composed of a pair of sentences spoken by a male and a female speaker                

D.1         General               

D.2         Test sentences                 

Appendix I – Description of the processing applied to the speech signals in clause 7.3                       

I.1                           Filter for DC removal                     

I.2                           Creation of the single-talk speech sequence                       

I.3                           Example high-pass filter designs               

Bibliography