EN 50320-2000 en Digital Audio Broadcasting System - Specification of the DAB Command Set for Receivers (DCSR)《数字音频广播系统 接收器DAB命令组规范(DCSR)》.pdf

1、STD-BSI BS EN 50320-ENGL 2OOL Lb24bb9 0903808 618 m BRITISH STANDARD Digital audio broadcasting system - Specification of the DAB command set for receivers (DCSR) The European Standard EN 50320:2000 has the status of a British Standard ICs 33.170 BS EN 50320:2001 NO COPYING WITHOUT BSI PERMISSION EX

2、CEPT AS PERMITTED BY COPYRIGHT LAW STD.BSI BS EN 50320-ENGL 2001 m 3624bb 0903809 554 - BS EN 50320:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15

3、March 2001 National foreword This British Standard is the official English language version of EN 50320:2000. The UK participation in its preparation was entrusted by Technical Committee EPL1100, Audio, video and multimedia systems, to Subcommittee EPL1100/1, Radio receiving equipment, which has the

4、 responsibility to: - - aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulghte them in the UK. - A lis

5、t of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Internat

6、ional Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a Bri

7、tish Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 84, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the docume

8、nt was last issued. Amendments issued since publication Amd. No. I Date I Comments BSI 03-2001 ISBN O 680 37112 3 EUROPEAN STANDARD EN 50320 NORME EUROPENNE EUROPAISCHE NORM November 2000 ICC 33.160.20 English version Digital audio broadcasting system - Specification of the DAB command set for recei

9、vers (DCSR) Systme de radiodiffusion sonore numrique - Spcifications du jeu de commande DAB pour le rcepteur (DCSR) Digitales Tonrundfunksystem - Spezifikation des DAB-Befehlssatzes fr Empfnger (DCSR) This European Standard was approved by CENELEC on 2OOGO1-01. CENELEC members are bound to comply wi

10、th the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretar

11、iat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the

12、official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committe

13、e for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fur Elektrotechnische Normung Central Secretanat: rue de Stassart 35, B - 1050 Brussels _ O 2000 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC

14、 members. Ref. No. EN 50320:2000 E STD-BSI BS EN 50320-ENGL 2001 m Lb24667 090LBItL LO2 Page 2 EN 50320:2000 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 206, Consumer equipment for entertainment and information and related sub-systems. The text of the draft was

15、 submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50320 on 2000-01-01. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement with the EN have to be withdra

16、wn - latest date by which the national standards conflicting (dop) 2001-05-01 (dw) 2003-01-01 STD.BSI BS EN 50320-ENGL 2001 = Lb24bb9 090LBL2 o49 m Page 3 EN 50320:2000 Contents I General 1.1 Scope . 1.2 Structure of DCSR . 2 Reference table 3 Responses 3.1 accepted 3.2 rejected 3.3 interim . 3.4 co

17、mmand-not-implemented 3.5 busy . 3.6 syntax-error . 4 Commands and notifications . 4.1 get-receiver-capability 4.2 notify-receiver-capability 4.3 tune 4.4 get-ti . 4.5 notify-tii 4.6 select-tii 4.7 getjad 4.8 notify-pad . 4.9 select-pad . 4.10 get-figs . 4. notify-fig . 4.12 select-figs . 4.1 3 getc

18、hannel 4.14 notify-channel 4.15 select-channel 4.1 6 get-selection-status . 4.1 7 notify-selection-status . 7 8 8 8 9 9 10 10 11 II 12 24 25 27 30 32 33 34 36 42 43 44 46 48 51 52 O BSI 03-2001 Page 4 EN 50320:2000 4.1 8 4.1 9 4.20 4.21 4.22 4.23 4.24 4.25 4.26 4.27 4.28 4.29 4.30 4.31 search-for-en

19、semble notify-search-for-ensem ble . set-drc get-audio-info . notify-audio-info . get-dab-status notify-dab-status set-dab-status-auto-notification . get-active-info notify-active-info notify-service-following . manufacturer-specific-command . manufacturer-specific-notification notify-error-message

20、. 54 59 60 62 63 64 64 68 71 72 72 73 74 75 5 Example of DCSR coding 77 6 Guidelines for data fields. reserved for future use (Rfus) or addition (Rfas) and table entries. reserved for future definition (Rfds) . 83 7 Glossary 84 8 References 84 STD.BS1 BS EN 50320-ENGL 2001 Lb24bb9 0901B14 911 Page 5

21、 EN 50320:2000 1 General 1.1 Scope This standard describes a command set which should be used to control DAB receivers. The coding of these commands is also described. This command set is intended to be used on different physical bus systems. The coding should be mapped transparently on different ph

22、ysical interfaces. Selection conflict management, dynamic bandwidth problems and the device addressing are not within the scope of this document. 1.2 Structure of DCSR The DCSR paper describes the Instruction Set, which consists of three types of messages as follows: The “Command“ is used by a contr

23、olling device in order to tell the DAB receiver to perform a certain action, to deliver certain information or to move into a certain state. The “Response“ contains only a quick reaction (tl Lb24bb9 0903834 70T I Page 25 EN 50320:2000 If the transmission mode is not supported for the given frequency

24、, the command will be rejected. The transmission-mode is set to “000“ for example if the controller asks the receiver to change just the antenna input or change to another frequency in the same MFN. tune-freq This 19-bit field, coded as an unsigned binary number, shall specify the DAB centre frequen

25、cy, see ref.l. tune-freq = O means keep the currently tuned frequency. Reaction: response( accepted) notify_dab-status() The receiver provides the DAB status. response( rejected) notiv-error-message(. . .) response( interim) response( busy) response(syntax-error) 4.4 gef-fii Category: Command (optio

26、nal) Purpose: The controller asks the DAB receiver for output of the transmitter identification information (TII). This command, with its associated notification (nativ-ti), allows the controller to monitor the number and identification of the transmitters contributing to the received DAB signal. Th

27、is data can be represented in many ways, the receiver signals which representations it supports in its receiver capabilities and any of these can be selected in the ti-select parameter. Use of these representations: 0 The main-id and sub-id can be used to identify the region in which the DAB signal

28、is currently received. Carrier information will allow the controller to estimate delays from the transmitters or perform proprietary TI1 processing. Q BSI 03-2001 STD*BSI BS EN 50320-ENGL 2001 m 1624bb7 0703435 b4b m bT bo ti-select Page 26 EN 50320:2000 bs bo bo Rfa continuous-tii 0 Delay informati

29、on is an indicator of the distance to each transmitter and can be used to perform triangulation. Bit flag bO bl 0 The rough position indicated by region identifier has application in MMI or data terminals mainjd and sub-id carrier information The position is the result of a triangulation on a number

30、 of transmitters and has application in traffic management systems. Syntax: get-tii (tii-select, Rfa, continuous-ti) Parameter: tii-select This 8-bit field indicates the kind of TI1 data. If all flags are set to zero the output will be stopped. Any subsequent use of this command with the same output

31、-interface-reference will cause the ti-select parameter to be superseded by the new value. If ti-select has a bit set that is not defined in the receiver capabilities, then the command shall be rejected with a “parameter value not supported“ error notification given. I b2 I delay information derived

32、 from the TI1 signal rough position defined by region Ids derived from ib3 I TI1 signal and the FIC information b4 receiver position defined by longitude and latitude derived from TI1 signal and the FIC information continuous-tii This flag indicates if the controller asks the DAB receiver for contin

33、uous output of the transmitter identification information (TII): bO = O: only one notify-ti will follow; bO = 1 : the receiver will provide notify-ti as often as possible. Q BSI 03-2001 STD.BSI BS EN 50320-ENGL 2001 M Lb2Libb7 OS0183b 582 Page 27 EN 50320:2000 Reaction: response( accepted) notify-ti

34、( .) The receiver provides the TI1 data. response( rejected) notiv-error-message(. . .) response( interim) response( busy) response(not implemented) response(sy ntax-error) 4.5 notify-tii Category: Notification (optional) Purpose: The DAB receiver provides the TI1 data. This data can be split up int

35、o several notifications in case of a large amount of data. If no transmitters are identified then no notification shall be generated. Syntax: notiQ-tii (ti-select, ti-data-list, receiver-position) O BSI 03-2001 Page 28 EN 50320:2000 I byte abytes bytes 5 bits - Il bits t I num-of-regions I region-id

36、 1 I . LYLI latitude longitude only if bO or bl or b2 or b3 (ti-select) = 1 only if bO (tii-select) = 1 only if bl (ti-select) = 1 only if b2 (ti-select) = 1 only if b3 (ti-select) = 1 only if b4 (ti-select) = I Parameter: ti-select see get-tii tii-da ta-/ist nrt This 5-bit field indicates the numbe

37、r of received transmitters. This unsigned binary number, coded in the range I . 24, shall specify the number of transmitters for which information (mainjd, sub-id, field strength information, carrier information, delay information) is provided. The other codes are reserved. This field is present if bO or bl or b2 of ti-select is set.