ETSI TS 103 584-2018 DTS-UHD Point Source Renderer (V1 1 1).pdf

1、 ETSI TS 103 584 V1.1.1 (2018-01) DTS-UHD Point Source Renderer TECHNICAL SPECIFICATION ETSI ETSI TS 103 584 V1.1.1 (2018-01)2 Reference DTS/JTC-DTS-PSR Keywords audio, broadcast, codec, digital, object audio ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00

2、 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic

3、versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document

4、 is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is

5、available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or

6、 by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all

7、media. ETSI 2018. European Broadcasting Union 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partn

8、ers. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 103 584 V1.1.1 (2018-01)3 Contents Intellectual Property Rights 9g3Foreword . 9g3Modal verbs terminology 9g31 Scope 10g32 References 10g32.1 Nor

9、mative References 10g32.2 Informative References 10g33 Definitions and abbreviations . 10g33.1 Definitions 10g33.2 Abbreviations . 11g34 Renderer Metadata . 12g34.1 Overview of the Renderer Inputs . 12g34.2 DTS-UHD Bitstream Metadata 12g34.3 DTS-UHD Object Interactivity Manager . 13g35 Variables and

10、 Class Types . 15g35.1 Global Variables . 15g35.2 Renderer Object Classes . 16g35.2.1 Point 16g35.2.2 Edge 17g35.2.3 SpeakerConfiguration . 17g35.2.4 EMASmoother 17g35.2.5 MonoObject 18g35.2.6 AudioObject 19g35.2.7 Vector . 19g35.2.8 Matrix . 19g35.2.9 Triplet . 19g35.2.10 Hull . 21g35.2.11 Virtual

11、Speakers 21g35.2.12 VectorBasedPanner . 21g35.2.13 PointSourceObjectRenderer 22g35.3 Other Helper Functions 22g35.3.1 Join 22g35.3.2 MapAzimuthTo0_360 . 23g35.3.3 GetEquatorialPoints 23g35.3.4 NumUpperHemispherePoints . 23g35.3.5 NumLowerHemispherePoints . 23g36 Point Source Object Renderer 24g36.1

12、Operation of the Renderer 24g36.2 Renderer Initialization 25g36.3 Virtual Speakers . 25g36.3.1 Virtual Speakers Positioning. 25g36.3.2 Predefined Virtual Speakers . 25g36.3.2.1 Predefined Virtual Speakers Layouts 25g36.3.2.2 PredefinedVirtualSpeakers:IsSupported 27g36.3.2.3 PredefinedVirtualSpeakers

13、:GetVirtualSpeakersAndFolddownCoeffs . 27g36.3.3 Auto Virtual Speakers . 28g36.3.3.1 Overview of Automatic Virtual Speaker Mapping . 28g36.3.3.2 Add Virtual Speakers in the Equatorial Plane . 28g36.3.3.3 Add Virtual Speakers in the Upper Hemisphere . 29g36.3.3.4 Add Virtual Speakers in the Lower Hem

14、isphere . 30g36.3.3.5 Calculate Fold-down Coefficients for Equatorial Virtual Speakers 31g36.3.3.6 Calculate Fold-down Coefficients for the Upper and Lower Hemisphere 32g36.3.4 GetVirtualSpeakersAndFolddownCoeffs . 33g3ETSI ETSI TS 103 584 V1.1.1 (2018-01)4 6.3.5 Hull Initialization 33g36.4 Predefin

15、ed Virtual Speakers Organization . 34g36.5 Rendering All Objects 35g36.5.1 Object Rendering 35g36.5.2 Vector Based Panner . 36g36.5.3 Panning in a Hull 36g37 Predefined Virtual Speaker Mapping . 38g37.1 Channel Bitmask 38g37.2 General Mapping Functions . 39g37.2.1 GetLinearGainVectorFromTable 39g37.

16、2.2 Physical Speaker Search Functions 40g37.2.2.1 Search Functions Overview 40g37.2.2.2 ClosestAzEq 40g37.2.2.3 ClosestAzUH 40g37.2.2.4 ClosestElv . 40g37.2.2.5 LeftLargestEqtr . 40g37.2.2.6 RightLargestEqtr . 40g37.2.2.7 PrefOrder . 41g37.2.2.8 Split . 41g37.2.2.9 ExclusiveOr . 41g37.3 Equatorial P

17、lane and Upper Hemisphere 41g37.3.1 Equatorial Plane and Height Functions . 41g37.3.1.1 GetChannelMaskForEqtrUpHemiGroups . 41g37.3.1.2 GroupEquatorOrUpper 41g37.3.1.3 list_of_all_groups_equator_or_upper . 42g37.3.2 GroupEquatorOrUpper1 . 42g37.3.2.1 Channel Layouts in GroupEquatorOrUpper1 42g37.3.2

18、.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper1 . 43g37.3.3 GroupEquatorOrUpper2 . 43g37.3.3.1 Channel Layouts in GroupEquatorOrUpper2 43g37.3.3.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper2 . 44g37.3.4 GroupEquatorOrUpper3 . 44g37.3.4.1 C

19、hannel Layouts in GroupEquatorOrUpper3 44g37.3.4.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper3 . 44g37.3.5 GroupEquatorOrUpper4 . 45g37.3.5.1 Channel Layouts in GroupEquatorOrUpper4 45g37.3.5.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper4

20、. 45g37.3.6 GroupEquatorOrUpper5 . 46g37.3.6.1 Channel Layouts in GroupEquatorOrUpper5 46g37.3.6.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper5 . 46g37.3.7 GroupEquatorOrUpper6 . 46g37.3.7.1 Channel Layouts in GroupEquatorOrUpper6 46g37.3.7.2 Virtual Speakers and their

21、Fold-down Coefficients for GroupEquatorOrUpper6 . 47g37.3.8 GroupEquatorOrUpper7 . 47g37.3.8.1 Channel Layouts in GroupEquatorOrUpper7 47g37.3.8.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper7 . 48g37.3.9 GroupEquatorOrUpper8 . 48g37.3.9.1 Channel Layouts in GroupEquator

22、OrUpper8 48g37.3.9.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper8 . 49g37.3.10 GroupEquatorOrUpper9 . 49g37.3.10.1 Channel Layouts in GroupEquatorOrUpper9 49g37.3.10.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper9 . 50g37.3.11 GroupEquatorOr

23、Upper10 . 50g37.3.11.1 Channel Layouts in GroupEquatorOrUpper10 50g37.3.11.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper10 . 56g37.3.12 GroupEquatorOrUpper11 . 56g37.3.12.1 Channel Layouts in GroupEquatorOrUpper11 56g37.3.12.2 Virtual Speakers and their Fold-down Coeffi

24、cients for GroupEquatorOrUpper11 . 57g37.3.13 GroupEquatorOrUpper12 . 57g37.3.13.1 Channel Layouts in GroupEquatorOrUpper12 57g37.3.13.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper12 . 57g3ETSI ETSI TS 103 584 V1.1.1 (2018-01)5 7.3.14 GroupEquatorOrUpper13 . 58g37.3.14.

25、1 Channel Layouts in GroupEquatorOrUpper13 58g37.3.14.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper13 . 58g37.3.15 GroupEquatorOrUpper14 . 58g37.3.15.1 Channel Layouts in GroupEquatorOrUpper14 58g37.3.15.2 Virtual Speakers and their Fold-down Coefficients for GroupEquat

26、orOrUpper14 . 58g37.3.16 GroupEquatorOrUpper15 . 59g37.3.16.1 Channel Layouts in GroupEquatorOrUpper15 59g37.3.16.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper15 . 59g37.3.17 GroupEquatorOrUpper16 . 59g37.3.17.1 Channel Layouts in GroupEquatorOrUpper16 59g37.3.17.2 Virt

27、ual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper16 . 59g37.3.18 GroupEquatorOrUpper17 . 60g37.3.18.1 Channel Layouts in GroupEquatorOrUpper17 60g37.3.18.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper17 . 60g37.3.19 GroupEquatorOrUpper18 . 60g37.3.19.

28、1 Channel Layouts in GroupEquatorOrUpper18 60g37.3.19.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper18 . 60g37.3.20 GroupEquatorOrUpper19 . 61g37.3.20.1 Channel Layouts in GroupEquatorOrUpper19 61g37.3.20.2 Virtual Speakers and their Fold-down Coefficients for GroupEquat

29、orOrUpper19 . 61g37.3.21 GroupEquatorOrUpper20 . 61g37.3.21.1 Channel Layouts in GroupEquatorOrUpper20 61g37.3.21.2 Virtual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper20 . 62g37.3.22 GroupEquatorOrUpper21 . 62g37.3.22.1 Channel Layouts in GroupEquatorOrUpper21 62g37.3.22.2 Virt

30、ual Speakers and their Fold-down Coefficients for GroupEquatorOrUpper21 . 62g37.4 Lower Hemisphere . 62g37.4.1 Conditions for Lower Hemisphere Groups . 62g37.4.2 Functions for Virtual Speakers in the Lower Hemisphere 63g37.4.2.1 GetChannelLayoutMaskForLowerHemisphere 63g37.4.2.2 GroupLower 63g37.4.2

31、.3 list_of_all_groups_lower . 64g37.4.3 GroupLower1 64g37.4.3.1 Channel layouts in GroupLower1 . 64g37.4.3.2 Virtual Speakers and their Fold-down Coefficients for GroupLower1 . 64g37.4.4 GroupLower2 64g37.4.4.1 Channel layouts in GroupLower2 . 64g37.4.4.2 Virtual Speakers and their Fold-down Coeffic

32、ients for GroupLower2 . 65g37.4.5 GroupLower3 65g37.4.5.1 Channel layouts in GroupLower3 . 65g37.4.5.2 Virtual Speakers and their Fold-down Coefficients for GroupLower3 . 65g37.4.6 GroupLower4 65g37.4.6.1 Channel layouts in GroupLower4 . 65g37.4.6.2 Virtual Speakers and their Fold-down Coefficients

33、for GroupLower4 . 66g37.4.7 GroupLower5 66g37.4.7.1 Channel Layouts in GroupLower5 66g37.4.7.2 Virtual Speakers and their Fold-down Coefficients for GroupLower5 . 66g3History 67g3ETSI ETSI TS 103 584 V1.1.1 (2018-01)6 List of Tables Table 1: DTS-UHD Metadata Parameters used for Rendering .13g3Table

34、2: Object Interactive Parameters Specified in the Bitstream .14g3Table 3: Channel Definitions and Bitmask .39g3Table 4: GroupEquatorOrUpper1 list_of_channel_masks 42g3Table 5: GroupEquatorOrUpper1 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 43g3Table 6: GroupEquatorOrUpper1 Fold-

35、down Coefficients for Virtual Speakers in Upper Hemisphere .43g3Table 7: GroupEquatorOrUpper2 list_of_channel_masks 43g3Table 8: GroupEquatorOrUpper2 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 44g3Table 9: GroupEquatorOrUpper2 Fold-down Coefficients for Virtual Speakers in Upper

36、 Hemisphere .44g3Table 10: GroupEquatorOrUpper3 list_of_channel_masks 44g3Table 11: GroupEquatorOrUpper3 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 44g3Table 12: GroupEquatorOrUpper3 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .45g3Table 13: GroupEquatorOrUpp

37、er4 list_of_channel_masks 45g3Table 14: GroupEquatorOrUpper4 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 45g3Table 15: GroupEquatorOrUpper4 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .45g3Table 16: GroupEquatorOrUpper5 list_of_channel_masks 46g3Table 17: Grou

38、pEquatorOrUpper5 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 46g3Table 18: GroupEquatorOrUpper5 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .46g3Table 19: GroupEquatorOrUpper6 list_of_channel_masks 46g3Table 20: GroupEquatorOrUpper6 Fold-down Coefficients for

39、Virtual Speakers in Equatorial Plane 47g3Table 21: GroupEquatorOrUpper6 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .47g3Table 22: GroupEquatorOrUpper7 list_of_channel_masks 47g3Table 23: GroupEquatorOrUpper7 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 48g3Tab

40、le 24: GroupEquatorOrUpper7 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .48g3Table 25: GroupEquatorOrUpper8 list_of_channel_masks 48g3Table 26: GroupEquatorOrUpper8 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 49g3Table 27: GroupEquatorOrUpper8 Fold-down Coeffi

41、cients for Virtual Speakers in Upper Hemisphere .49g3Table 28: GroupEquatorOrUpper9 list_of_channel_masks 49g3Table 29: GroupEquatorOrUpper9 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 50g3Table 30: GroupEquatorOrUpper9 Fold-down Coefficients for Virtual Speakers in Upper Hemisph

42、ere .50g3Table 31: GroupEquatorOrUpper10 list_of_channel_masks 50g3Table 32: GroupEquatorOrUpper10 Fold-down Coefficients for Virtual Speakers in Equatorial Plane 56g3Table 33: GroupEquatorOrUpper11 list_of_channel_masks 57g3ETSI ETSI TS 103 584 V1.1.1 (2018-01)7 Table 34: GroupEquatorOrUpper11 Fold

43、-down Coefficients for Virtual Speakers in Upper Hemisphere .57g3Table 35: GroupEquatorOrUpper12 list_of_channel_masks 57g3Table 36: GroupEquatorOrUpper12 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .57g3Table 37: GroupEquatorOrUpper13 list_of_channel_masks 58g3Table 38: GroupEqu

44、atorOrUpper13 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .58g3Table 39: GroupEquatorOrUpper14 list_of_channel_masks 58g3Table 40: GroupEquatorOrUpper14 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .59g3Table 41: GroupEquatorOrUpper15 list_of_channel_masks 59g3

45、Table 42: GroupEquatorOrUpper15 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .59g3Table 43: GroupEquatorOrUpper16 list_of_channel_masks 59g3Table 44: GroupEquatorOrUpper16 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .60g3Table 45: GroupEquatorOrUpper17 list_of_

46、channel_masks 60g3Table 46: GroupEquatorOrUpper17 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .60g3Table 47: GroupEquatorOrUpper18 list_of_channel_masks 60g3Table 48: GroupEquatorOrUpper18 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .61g3Table 49: GroupEquator

47、OrUpper19 list_of_channel_masks 61g3Table 50: GroupEquatorOrUpper19 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .61g3Table 51: GroupEquatorOrUpper20 list_of_channel_masks 61g3Table 52: GroupEquatorOrUpper20 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .62g3Tabl

48、e 53: GroupEquatorOrUpper21 list_of_channel_masks 62g3Table 54: GroupEquatorOrUpper21 Fold-down Coefficients for Virtual Speakers in Upper Hemisphere .62g3Table 55: GroupLower1 list_of_channel_masks 64g3Table 56: GroupLower1 Fold-down Coefficients for Virtual Speakers in Lower Hemisphere.64g3Table 5

49、7: GroupLower2 list_of_channel_masks 64g3Table 58: GroupLower2 Fold-down Coefficients for Virtual Speakers in Lower Hemisphere.65g3Table 59: GroupLower3 list_of_channel_masks 65g3Table 60: GroupLower3 Fold-down Coefficients for Virtual Speakers in Lower Hemisphere.65g3Table 61: GroupLower4 list_of_channel_masks 65g3Table 62: GroupLower4 Fold-down Coefficients for Virtual Speakers in Lower Hemisphere.66g3Table 63: GroupLower5 list_of_channel_masks 66g3Table 64: GroupLower5 Fold-down Coefficients for Virtual Speakers in Lowe