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Content for TS 26.260 Word version: 16.0.0

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3.1 Definitions 3.2 Symbols 3.3 Abbreviations 4.1 Objective Test Methodologies for Assessment of Immersive Audio Systems in the Sending Direction 4.2 Objective Test Methodologies for Assessment of Immersive Audio Systems in the Receiving Direction B.1 Definition B.2 Example loudspeaker array

2 References

3 Definitions, symbols and abbreviations

3.1 Definitions

3.2 Symbols Word‑p. 6

3.3 Abbreviations

4 Objective Test Methodologies for Immersive Audio Systems

4.1 Objective Test Methodologies for Assessment of Immersive Audio Systems in the Sending Direction

4.1.1 Diffuse-field Send Frequency Response for Scene-based Audio

4.1.1.1 Introduction

4.1.1.2 Definition Word‑p. 7

4.1.1.3 Test method with periphonic array Word‑p. 8

4.1.1.3.1 Test Conditions

4.1.1.3.2 Measurement

4.1.1.4 Test method with loudspeaker array and turn table Word‑p. 9

4.1.1.4.1 Test Conditions

4.1.1.4.2 Measurement

4.1.2 Directional response measurement for scene-based audio Word‑p. 10

4.1.2.1 Definition

4.1.2.2 Test conditions

4.1.2.3 Measurement Word‑p. 11

4.2 Objective Test Methodologies for Assessment of Immersive Audio Systems in the Receiving Direction

4.2.1 Headset Binaural Diffuse-field Receive frequency response for Scene-based audio

4.2.1.1 Introduction

4.2.1.2 Definition

4.2.1.3 Test Conditions

4.2.1.4 Measurement

4.2.2 Nominal System Sensitivity in Receive Direction for Channel-based audio Word‑p. 12

4.2.2.1 Introduction

4.2.2.2 Definition

4.2.2.3 Test Conditions

4.2.2.4 Measurement

4.2.3 Motion to Sound Latency in Dynamic Binaural Rendering Systems Word‑p. 13

4.2.3.1 Introduction

4.2.3.2 Requirements

4.2.3.3 Calibration Word‑p. 14

4.2.3.4 Evaluation Environment

4.2.3.5 Data acquisition Word‑p. 15

4.2.3.6 Data Analysis

A (Normative) Order dependent directions Word‑p. 18

B (Normative) Directions in Gaussian spherical grid Word‑p. 22

B.1 Definition

B.2 Example loudspeaker array

$ Change history Word‑p. 23