Recommendation ITU-T P.383 (06/2021) Technical requirements and test methods for digital wired or wireless headset interfaces
Summary
History
FOREWORD
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 General description
7 Options of possible physical interfaces
8 Terminal digital interface specification (speech signal processing in headset)
     8.1 Communication mode
          8.1.1 Test set-up
               8.1.1.1 Test configuration and test system
               8.1.1.2 Test signals and test signal levels
          8.1.2 Delay for the communication mode (terminal)
               8.1.2.1 Requirements
               8.1.2.2 Test
                    8.1.2.2.1 Test of overall delay in send
                    8.1.2.2.2 Test of overall delay in receive
          8.1.3 Junction loudness rating in send for the communication mode (terminal)
               8.1.3.1 Requirements
               8.1.3.2 Test
          8.1.4 Junction loudness rating in receive for the communication mode (terminal)
               8.1.4.1 Requirements
               8.1.4.2 Test
          8.1.5 Linearity in send for the communication mode (terminal)
               8.1.5.1 Requirements
               8.1.5.2 Test
          8.1.6 Linearity in receive for the communication mode (terminal)
               8.1.6.1 Requirements
               8.1.6.2 Test
          8.1.7 Send sensitivity/frequency response for the communication mode (terminal)
               8.1.7.1 Requirements
               8.1.7.2 Test
          8.1.8 Receive sensitivity/frequency response for the communication mode (terminal)
               8.1.8.1 Requirements
               8.1.8.2 Test
          8.1.9 Noise in send for the communication mode (terminal)
               8.1.9.1 Requirements
               8.1.9.2 Test
          8.1.10 Noise in receive for the communication mode (terminal)
               8.1.10.1 Requirements
               8.1.10.2 Test
          8.1.11 Send distortion for the communication mode (terminal)
               8.1.11.1 Requirements
               8.1.11.2 Test
          8.1.12 Receive distortion for the communication mode (terminal)
               8.1.12.1 Requirements
               8.1.12.2 Test
          8.1.13 Presence of noise reduction for the communication mode (terminal)
               8.1.13.1 Requirements
               8.1.13.2 Test
          8.1.14 Presence of echo cancellation for the communication mode (terminal)
               8.1.14.1 Requirements
               8.1.14.2 Test
     8.2 Multimedia playback mode
9 Digital headset specifications (wireless)
     9.1 Communication mode
          9.1.1 Test set-up
               9.1.1.1 Test configuration and test system
               9.1.1.2 Test signals and test signal levels
               9.1.1.3 Positioning of the headsets
               9.1.1.4 Calibration of HATS
               9.1.1.5 Test setup for quality in the presence of ambient noise measurements
          9.1.2 Delay for communication mode (headset)
               9.1.2.1 Requirements
               9.1.2.2 Test
                    9.1.2.2.1 Test of overall delay in send
                    9.1.2.2.2 Test of overall delay in receive
          9.1.3 Send loudness rating for communication mode (headset)
               9.1.3.1 Requirements
               9.1.3.2 Test
          9.1.4 Receive loudness rating for communication mode (headset)
               9.1.4.1 Requirements
               9.1.4.2 Test
          9.1.5 Send loudness level
               9.1.5.1 Requirements
               9.1.5.2 Test
          9.1.6 Receive loudness level
               9.1.6.1 Requirements
               9.1.6.2 Test
          9.1.7 Send sensitivity/frequency response for communication mode (headset)
               9.1.7.1 Requirements
               9.1.7.2 Test
          9.1.8 Receive sensitivity/frequency response for communication mode (headset)
               9.1.8.1 Requirements
               9.1.8.2 Test
          9.1.9 Sidetone loss for communication mode (headset)
               9.1.9.1 Requirements
               9.1.9.2 Test
          9.1.10 Sidetone delay for communication mode (headset)
               9.1.10.1 Requirements
               9.1.10.2 Test
          9.1.11 Noise in send for communication mode (headset)
               9.1.11.1 Requirements
               9.1.11.2 Test
          9.1.12 Noise in receive for communication mode (headset)
               9.1.12.1 Requirements
               9.1.12.2 Test
          9.1.13 Send distortion for communication mode (headset)
               9.1.13.1 Requirements
               9.1.13.2 Test
          9.1.14 Receive distortion for communication mode (headset)
               9.1.14.1 Requirements
               9.1.14.2 Test
          9.1.15 Noise cancellation test in send for communication mode (headset)
               9.1.15.1 Requirements
               9.1.15.2 Test
          9.1.16 One-way speech quality in send for communication mode (headset)
          9.1.17 One-way speech quality in receive for communication mode (headset)
          9.1.18 Terminal coupling loss for communication mode (headset)
               9.1.18.1 Requirements
               9.1.18.2 Test
          9.1.19 Temporal echo effects for communication mode (headset)
               9.1.19.1 Requirements
               9.1.19.2 Test
          9.1.20 Double talk performance for communication mode (headset)
               9.1.20.1 Attenuation range in the send direction during double talk: AH,S,dt
                    9.1.20.1.1 Requirements
                    9.1.20.1.2 Test
               9.1.20.2 Attenuation range in the receive direction during double talk: AH,R,dt
                    9.1.20.2.1 Requirements
                    9.1.20.2.2 Test
               9.1.20.3 Detection of echo components during double talk
                    9.1.20.3.1 Requirements
                    9.1.20.3.2 Test
          9.1.21 Activation in send for communication mode (headset)
               9.1.21.1 Requirements
               9.1.21.2 Test
     9.2 Multimedia playback mode
          9.2.1 Test set-up
               9.2.1.1 Test configuration and test system
               9.2.1.2 Test signals and test signal levels
               9.2.1.3 Positioning of the headsets
               9.2.1.4 Position and calibration of HATS
          9.2.2 Output level in multimedia playback mode
          9.2.3 Frequency response in multimedia playback mode
          9.2.4 Noise in multimedia playback mode
          9.2.5 Distortion in multimedia playback mode
               9.2.5.1 Requirements
               9.2.5.2 Test
          9.2.6 Receiving crosstalk in multimedia playback mode
               9.2.6.1 Requirements
               9.2.6.2 Test
10 Terminal digital interface specification (speech signal processing in the terminal)
Bibliography
<\pre>