1、BRITISH STANDARDBS EN 61925:2006Multimedia systems and equipment Multimedia home server systems Vocabulary of home server The European Standard EN 61925:2006 has the status of a British StandardICS 01.040.33g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g
2、49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 61925:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48750 4National forewordThis British St
3、andard is the official English language version of EN 61925:2006. It is identical with IEC 61925:2005.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment, which has the responsibility to: A list of organizations repr
4、esented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”,
5、 or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer i
6、mmunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them
7、in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN S
8、TANDARD EN 61925 NORME EUROPENNE EUROPISCHE NORM May 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rig
9、hts of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61925:2006 E ICS 01.040.33 English version Multimedia systems and equipment - Multimedia home server systems - Vocabulary of home server (IEC 61925:2005) Systmes et appareils multimdia - Systmes pour
10、 serveur domestique multimdia - Vocabulaire du serveur domestique (CEI 61925:2005) Multimediasysteme und -gerte - Multimedia-Homeserversysteme - Vokabular fr Homeserver (IEC 61925:2005) This European Standard was approved by CENELEC on 2006-03-01. CENELEC members are bound to comply with the CEN/CEN
11、ELEC 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 Secretariat or to any
12、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 official versi
13、ons. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
14、 Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of the International Standard IEC 61925:2005, prepared by Technical Area 8, Multimedia home server systems, of IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the formal vote and was appro
15、ved by CENELEC as EN 61925 on 2006-03-01 without any modification. 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 (dop) 2007-03-01 latest date by which the national standards confl
16、icting with the EN have to be withdrawn (dow) 2009-03-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61925:2005 was approved by CENELEC as a European Standard without any modification. _ EN 61925:2006 2 3 EN 61925:2006 INTRODUCTION Some consume
17、r electronics companies are developing home server systems and service, but their vocabularies of home server systems are different from each other. In order to start a discussion on home server systems, it is necessary to standardize the vocabulary of home servers. This standardization is also impo
18、rtant for users in order to operate the home server system easily. EN 61925:2006 4 MULTIMEDIA SYSTEMS AND EQUIPMENT MULTIMEDIA HOME SERVER SYSTEMS VOCABULARY OF HOME SERVER 1 Scope This International Standard defines the vocabulary of a home server for multimedia home server systems. Its intended us
19、e is to assist user interface designers and editors of product documentation by defining standard terms for the new commands and functions that home servers offer. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
20、only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 62318:2003, Multimedia systems and equipment Multimedia home server systems Home server conceptual model 3 Terms and definitions For the purposes of this docu
21、ment, the following terms and definitions apply. 3.1 User commands of home server 3.1.1 Record stream commands 3.1.1.1 auto renewal recording recording the most recent episode of a specified TV show over the previous one NOTE A user can automatically record an episode of a specified TV show either e
22、very day or every week directly onto the hard disk, with the most recent episode being recorded right over the previous one. If the previous episode is being played back while the new one is being recorded, the new episode will be recorded onto a different section of the hard disk. 3.1.1.2 recording
23、 mode mode varying quality and length in recording NOTE A user can set one of different recording modes, each varying in recording quality and length. For example, LP (Long-Play) mode yields the most recording time, SP (Standard-Play) modes provide less recording time with higher quality recording,
24、and XP (eXcellent-Play) mode gives the highest quality recording. 3.1.1.3 show free volume show the remaining recordable volume on the recording medium NOTE The remaining volume is shown with recordable time. 5 EN 61925:2006 3.1.2 Playback stream commands 3.1.2.1 digest playback playback at a shorte
25、r time than that in which the content can be understood NOTE An image of the recorded programme playback at double speed and a voice of the recorded programme playback by regenerating normal speed. 3.1.2.2 fast backward playback backward at higher speed than normal play 3.1.2.3 fast forward playback
26、 forward at higher speed than normal play 3.1.2.4 pause pause recording process or playback process 3.1.2.5 repeat playback the same stream or the same scene repeatedly 3.1.2.6 replay jump playback point to the past point that is the fixed time before the present 3.1.2.7 skip jump playback point to
27、the next index point 3.1.2.8 slow backward playback backward at lower speed than normal play 3.1.2.9 slow forward playback forward at lower speed than normal-play 3.1.3 Edit stream commands 3.1.3.1 combine combine two recorded streams into one piece 3.1.3.2 divide divide one recorded stream into two
28、 pieces 3.1.3.3 playlist user-edited scenes list NOTE A user can perform simple non-linear video editing, such as rearranging the order of scenes, skipping over unwanted scenes, or copying selections, to create custom playlists of favourite scenes on a disc. EN 61925:2006 6 3.1.4 Manage stream comma
29、nds 3.1.4.1 delete delete a recorded stream from a recording medium 3.1.4.2 dubbing copying a stream that has previously been recorded on a disc to another disc 3.1.4.3 move moving a stream that has previously been recorded on a disc to another disc NOTE In the moving process, the original stream sh
30、ould be deleted. 3.1.4.4 protect protect from deleting a recorded stream by mistake 3.1.5 Show photos commands 3.1.5.1 thumbnail presentation for many reduced photo images on the screen top 3.1.5.2 slide-show presentation for photos in sequence at fixed intervals 3.1.6 Display list commands 3.1.6.1
31、chapter list list of chapters in a recorded stream on the screen top NOTE A recorded stream consists of one or more chapters. Chapters can be automatically created during stream recording, or a user can create them after stream recording. 3.1.6.2 thumbnail list list of reduced images that represent
32、the scenes of recorded material displayed for selection 3.1.6.3 title list list of recorded TV programme titles on the screen top 3.2 Equipment functions of home server 3.2.1 broadcasting for storage broadcasting for storage of contents on the hard disk; a user can watch the content by playback from
33、 the hard disk 3.2.2 chasing playback playback the live programme in progress from any past point while continuing to record the programme 7 EN 61925:2006 NOTE A user no longer has to wait for an entire programme to be recorded before watching it from beginning to end. With this function, the user c
34、an skip back to watch a programme currently being recorded from any point that has already been recorded while continuing to record the live programme in progress. 3.2.3 loop recording repeated and uninterrupted recording for a certain fixed period of time NOTE The data is overwritten at the recordi
35、ng start point when the fixed time has elapsed. 3.2.4 multi-scenario contents TV programme which consists of more than one scenario that develops according to the users choice 3.2.5 multi-view contents TV programme which consists of more than one video/audio stream NOTE For example baseball = videos
36、 from different angles and same audio, or golf = different holes (different video and audio). 3.2.6 playlist playback playback according to the playlist 3.2.7 relief recording recording onto the hard disk if there is not enough disc space in the optical disc NOTE The remaining disc space before reco
37、rding onto an optical disc is checked, and, if there is not enough disc space, the entire programme gets recorded onto the hard disk. This function also works if you have chosen to record a programme and forgotten to insert a disc. 3.2.8 resource optimized recording recording with the best picture q
38、uality possible for the recording time and remaining space on the disc 3.2.9 resume playback start to playback from a previous stop point 3.2.10 seamless playback playback two recorded programmes without an interval 3.2.11 simultaneous recording and playback recording a programme onto a disc while w
39、atching any other programme that has previously been recorded on the same disc 3.2.12 skip-back recording recording that begins at a fixed time prior to the recording start operation NOTE This is used for recording what begins immediately before the occurrence of an event. An example of an event is
40、a home run in the baseball game under broadcasting. EN 61925:2006 8 Bibliography The following documents have served as references in the preparation of this standard. 1 1394TA Specification No. 2001012, AV/C Digital Interface Command Set General Specification Version 4.1, 2001. 2 CEA Standard CEA-9
41、31-B, Remote Control Command Pass-through Standard for Home Networking, 2003-09. _ 9 EN 61925:2006 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this d
42、ocument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE Where an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
43、Publication Year Title EN/HD Year IEC/TS 62318 2003 Multimedia systems and equipment - Multimedia home server systems - Home server conceptual model - - BS EN 61925:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparin
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