IEC 61053-2-1991 Helical-scan video tape cassette system using 12 65 mm (0 5 in) magnetic tape on type beta format FM audio recording part 2 525 line-60 field s.pdf

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1、IEC 3053 PT82 93 W 4844893 O112289 3 W NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 1053-2 Premire dition First edition 1991-02 Systme de magntoscope cassette a balayage hlicodal utilisant la bande magntique de 12,65 mm (0,5 in) (format bta) - Enregistrement audio MF Partie 2: Systmes 525 lig

2、nes-60 trames Helical-scan video tape cassette system using 12,65 mm (O$ in) magnetic tape on type beta format - FM audio recording Part 2: 525 line-60 field systems Numro de rfrence Reference number CEMEC 1053-2: 1991 IEC LO53 PT*2 91 4844893 OLL2290 8 W Rvision de la prsente publication Le contenu

3、 technique des publications de la CE1 est cons- tamment revu par la Commission afim dassurer quil reflte bien ltat actuel de la technique. Les renseignements relatifs ce travd de rvision, ltablissement des ditions rvises et aux mises jour peuvent tre obtenus auprs - la Publication 617 de la C E I: S

4、ymboles graphiques pour schmas. Les symboles et signes contenus dans la prsente publication ont t soit repris des Publications 27 ou 617 de la C E I, soit spcifiquement approuvs aux fins de cette publication. Publications de la C E I tablies par le mme Comit dEtudes Lattention du lecteur est attire

5、sur le deuxime feuiet de la couverture, qui numre les publications de ia CE1 prpades par le Comit dEtudes qui a tabli la prsente publication. Revision of this publication The technical content of I E C publications is kept under con- stant review by the I E C, thus ensuring that the content reflects

6、 current technology. Information on the work of revision, the issue of revised edi- tions and amendment sheets may be obtained from IEC National Committees and from the foliowing I E C sources: IECBueHn IECYearbook Catalogue of I E C Publications Published yearly Terminology For general tenninology,

7、 readers are referred to I E C Publi- cation 50: International Electrotechnical Vocabulary (IEV), which is issued in the form of separate chapters each dealing with a specific field, the General Index being published as a se- parate booklet. Fd - I E C Publication 617: Graphical symbols for diagams.

8、 The symbols and signs contained in the present publication have either been taken from IEC Publications 27 or 617. or have been specifically approved for the pupose of this publication. I E C publications prepared by the same Technical Committee The attention of readers is drawn to the back cover,

9、which lists IEC publications issued by the Technical Committee which has prepared the present publication. I IEC LO53 PTSE! 91 4844871 OLL2291 T NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 105312 Premire dition First edition 1991-02 Systme de magntoscope cassette balayage hlicodal utilisant

10、la bande magntique de 12,65 mm (0,5 in) (format bta) - Enregistrement audio MF Partie 2: Systemes 525 lignes-60 trames Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type beta format - FM audio recording Part 2: 525 line-60 field systems O CE1 1991 Auane partk de ca

11、ne pubilcation ne pel tre reprcuiuile ni utlde SM quelpie tom quo ce sdt et par BUOUI pro- c8d6, ector&que ou m6canlpie, y owriprls la photcaple et los mlcroflkns. sans Ipaord 4cr11 do Iwtow. Droits de reproduction rservs- Copyright - ail nghs reserved No pari of Ws publlcaon may be repmduced or ull

12、zed in any fomi w by any mm, doctronlo o( mchdcal, hokidkig photocopying and mlcroflkn. wlthout pemilssbn hwrlng fromthepubllbhor. Bureau Cenbal de la Cornrnlssion Electrotedinique Intemaknde 3, NB de Varernb6 Genhe, Suisse CODE PRIX Commission Electrotechnique Internationale PRICECODE K internation

13、al Electrotechnical Commission eHtnyHapomHafl3nsKporeXt1Hrecnafl KOMHCCHR popr/x, vo/r caldogue n vigueur For prlce. see current caiahgue -2- SOMMAIRE 1053-2 O CE1 Pages AVANT-PROPOS . 4 Articles 1 Domaine dapplication 6 2 Rfrence normative . 6 3 Mthode denregistrement . . 6 4 Caractristiques denreg

14、istrement 8 4.1 Frquence centrale de porteuse . 8 4.2 Dviation de frquence . 8 4.3 Polarit de ia modulation ., 8 4.4 Niveau denregistrement , 8 4.5 Accentuation dynamique 1 O 5 Autres sujets . 1 O 5.1 Porteuse MF du signal de luminance . 1 O 5.2 Affectation des voies ., i 1 O Figures . 12 Annexe A -

15、 Mthode de mesure de la transition du codeur . 18 IEC LO53 PT*2 9L W 48YY891 OLL2293 3 W 1053-2 O IEC -3- CONTENTS Page FOREWORD 5 Clause 1 Scope 7 2 Normative reference 7 3 Recording method . 7 4 Recording characteristics . 9 4.1 Carrier centre frequency . 9 4.2 Frequency deviation 9 4.3 Modulation

16、 polarity . 9 4.4 Recording level . 9 4.5 Dynamic emphasis 11 5 Other subjects 11 5.2 Channel application 11 Figures . 13 Annex A - Encoder transient measurement method . 19 5.1 Carrier frequency of FM luminance signal 11 I -4- 1053-2 O CE1 COMMISSION LECTROTECHNIQUE INTERNATIONALE SYSTME DE MAGNTOS

17、COPE CASSETTE BALAYAGE HLICOIDAL UTILISANT LA BANDE MAGNTIQUE DE 12,65 mm (0,5 in) (FORMAT BTA) - ENREGISTREMENT AUDIO MF Partie 2: Systmes 525 lignes-60 trames AVANT-PROPOS Les dcisions ou accords officiels de la CE1 en ce qui concerne les questions techniques, prpars par des Comits dEtudes o sont

18、reprsents tous les Comits nationaux sintressant ces questions, expriment dans la plus grande mesure possible un accord international sur les sujets examins. Ces dcisions constituent des recommandations internationales et sont agres comme telles par les Comits nationaux. Dans le but dencourager lunif

19、ication internationale, la CE1 exprime le voeu que tous les Comits nationaux adoptent dans leurs rgles nationales le texte de la recommandation de la CEI, dans la mesure o les conditions nationales le permettent. Toute divergence entre la recommandation de la CE1 et la rgle nationale correspondante

20、doit, dans la mesure du possible, Qtre indique en termes clairs dans cette dernire. IEC 3053 PT*2 93 W 4844893 0332294 5 W La prsente partie de la Norme internationale CE1 1053 a t tablie par le Sous-Comit 60B: Enregistrement vido, du Comit dEtudes no 60 de la CEI: Enregistrement. II convient dutili

21、ser cette partie conjointement avec la CE1 767. Le texte de cette partie est issu des documents suivants: Rgle des Six Mois Rapport de vote 6OB(BC)99 6OB(BC)111 Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le vote ayant abouti lapprobation de cette partie. Lannexe

22、A fait partie intgrante de ia prsente partie de la CE1 1053. IEC 3053 PT*Z 93 m Y844891 0332295 7 m Six Months Rule 1053-2 O IEC -5- INTERNATIONAL ELECTROTECHNICAL COMMISSION 60B(C0)99 HELICAL-SCAN VIDEO TAPE CASSETTE SYSTEM USING 12,65 mm (0,5 in) MAGNETIC TAPE ON TYPE BETA FORMAT - FM AUDIO RECORD

23、ING 60B(CO) 11 Part 2: 525 line-60 field systems FOREWORD 1) The formal decisions or agreements of the IEC on technical matters, prepared by Technical Committees on which all the National Committees having a special interest therein are represented, express, as nearly as possible, an international c

24、onsensus of opinion on the subjects dealt with. Committees in that sense. 2) They have the form of recommendations for internationai use and they are accepted by the National 3) In order to promote international unification, the IEC expresses the wish that ail National Committees should adopt the te

25、xt of the IEC recommendation for their national rules in so far as national conditions will permit. Any divergence between the IEC recommendation and the corresponding national rules should, as far as possible, be clearly indicated in the latter. This part of International Standard IEC 1053 has been

26、 prepared by Sub-committee 60B: Video recording, of IEC Technical Committee No. 60: Recording. This part should be used in conjunction with IEC 767. The text of this part is based on the following documents: Full information on the voting for the approval of this part can be found in the Voting Repo

27、rt indicated in the above table. Annex A forms an integral part of this part of IEC 1053. IEC LO53 PT*2 9L LiLi489L OLL2296 9 -6- 1053-2 O CE1 SYSTME DE MAGNTOSCOPE CASSETTE BALAYAGE HLICOIDAL UTILISANT LA BANDE MAGNTIQUE DE 12,65 mm (0,5 in) (FORMAT BTA) - ENREGISTREMENT AUDIO MF Partie 2: Systmes

28、525 lignes-60 trames 1 Domaine dapplication La prsente partie de la CE1 1053 sapplique aux systmes denregistrement audio MF sur des magntoscopes du format bta dans les systmes de tlvision 525 lignes-60 trames, comme dfini dans la CE1 767. Lobjet de cette partie est la dfinition des caractristiques l

29、ectriques et mcaniques de lenregistrement audio MF effectuant linterchangeabilit des cassettes enregistres. Les indications donnes sont relatives aux systmes 525 lignes-60 trames. 2 Rfrence normative La norme suivante contient des dispositions qui, par suite de la rfrence qui y est faite, constituen

30、t des dipositions valables pour la prsente partie de la CE1 1053. Au moment de la publication, ldition indique tait en vigueur. Toute norme est sujette rvision et les parties prenantes aux accords fonds sur la prsente partie de la CE1 1053 sont invites rechercher la possibilit dappliquer Idition la

31、plus recente de la norme indique ci-aprs. Les membres de la CE1 et de IISO possdent le registre des Normes internationales en vigueur. CE1 767: 1983, Systme de magntoscope -cassette balayage hlicodal utilisant la bande magntique de 1265 mm (0,5 in) (format bta). 3 Mthode denregistrement Les signaux

32、audio pour les deux voies sonores doivent tre convertis en quatre porteuses MF. Elles doivent tre places dans la plage de frquences entre le signal de chro- minance converti et le signal de luminance modul en frquence. Elles doivent tre mlanges avec la sous-porteuse de couleur convertie et le signal

33、 MF de luminance et elles doivent tre enregistres avec les ttes vido rotatives dans les pistes vido. Deux dentre elles (fGAr fDA) seront enregistres dans la piste A et les autres (fGB, fDB) dans la piste 6 afin de supprimer toute diaphonie entre les pistes voisines (voir figures 1, 2 et 3). (La pist

34、e A et la piste 6 sont dfinies dans la CE1 767.) Y IEC 1053 PT*2 91 4844893 0132297 O M 1053-2 O IEC -7- HELICAL-SCAN VIDEO TAPE CASSETTE SYSTEM USING 12,65 mm (0,5 in) MAGNETIC TAPE ON TYPE BETA FORMAT - FM AUDIO RECORDING Part 2: 525 line-60 field systems 1 Scope This part of IEC 1053 is applicabl

35、e to frequency modulation (FM) audio recording on video recorders fully compatible with the beta format fot 525 linesl6O field television systems defined in IEC 767. The object of this part is to define the electrical and mechanical characteristics of FM audio recording which will provide for the in

36、terchangeability of recorded cassettes. The requirements given relate to 525 lines-60 field systems. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this part of IEC 1053. At the time of publication of this standard, th

37、e editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of IEC 1053 are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and IS0 maintain registers of currently v

38、alid International Standards. IEC 767: 1983, Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type befa format. 3 Recording method Audio signals for two channels shall be converted into four FM carriers. They shall be placed in the frequency range between the converte

39、d colour sub-carrier and the frequency modulated (FM) luminance signal, mixed with the converted colour sub-carrier and FM luminance signal and shall be recorded on the video tracks with the rotating video heads. Two of them (fi,., fRA) shall be recorded on track A, and the others (fiB, fRB) on trac

40、k B in order to avoid crosstalk from neighbouring tracks (see figures 1, 2 and 3.) -s (Track A and track B are as defined in IEC 767.) I -8- 1053-2 O CE1 4 Caractristiques denregistrement 4.1 Frquence centrale de porteuse Les frquences centrales doivent tre comme indiqu au tableau 1 ci-dessous. Tabl

41、eau 1 - Frquences centrales des porteuses I Piste A Piste B 1 Af fQA = 1,380 682 MHz foe = 1,530 1R MHz foe - fOA Voie-G (87.75 f,) 110 kHz (97,s 6) f10 kHz 149,475 kHz f 80 Hz fDA = 1,679 633 MHz foe = 1,829 108 MHZ foe - fDA (106,75 fJ i10 kHz (1 1625 fJ f10 kHz 149,475 kHz f 80 Hz I I f,: signal

42、de synchronisation horizontale du signal vido. 4.2 Dviation de frquence La dviation de frquence doit tre comme suit: Dviation de frquence maximale: f75 kHz Dviation de frquence oprationnelle: f25 kHz 400 kHz (Dviation de frquence au niveau de rfrence) 4.3 Polarit de la modulation La polarit de la mo

43、dulation doit tre identique pour la voie-G et la voie-D audio. 4.4 Niveau denregistrement Le courant denregistrement du signal MF audio doit Qtre comme indiqu au tableau 2 ci-dessous. Tableau 2 - Niveau denregistrement I I PiiteA I Piste B I Voie-0 -26 + dB -25 + dB -5 -5 (&A ) (foe t I I i l Voie-D

44、 I -24 + dB 1 -24 + dB I -5 5 O dB: courant denregistrement du signal MF de luminance. 1 IEC 1053 PT82 71 W 4844871 0112247 4 W t 1053-2 O IEC -.9 - 4 Recording characteristics 4.1 Carrier centre frequency The carrier centre frequencies shall be as shown in the following table 1. Table 1 - Carrier c

45、entre frequencies Track A Track B f, = 1,380 682 MHz tB E: i,530 1!57 MHz (87,75 fh) fi0 kHz (97,25 $) fi0 kHz fRA = 1,679 633 MHz fRB 5 1,829 108 MHz (106,75 0 510 kHr (116,25 fh f10 Wr tl3-fl.A 149,475 kHz f 80 Hz fRB - fRA 149,475 kHz f 80 Hz fh: horizontal synchronizing frequency of video signal

46、. 4.2 Frequency de viation The frequency deviation shall be as follows: Maximum frequency deviation: f75 kHz Operating frequency deviation: f25 kHz at 400 kHz (Frequency deviation at the reference level) 4.3 Modulation polarity The modulation polarity of CH-L and CH-R audio signals shall be the same

47、. 4.4 Recording level The recording current of the FM audio signal shall be as shown in the table 2 below. Table 2- Recording level Track A Track B l :H-R I -24 1 dB O dB: recording current of FM luminance signal. - 10- 1053-2 O CE1 50Hz O 1,7 -20 -9,8 -40 -20,8 4.5 Accentuation dynamique Laccentuat

48、ion dynamique doit tre applique avec lenregistrement audio MF (voir figure 4). Les caractristiques doivent tre comme spcifi au tableau 3 ci-dessous. 100Hz 200Hz 400Hz 700Hz 1 kHz 2kHz 4kHz kHz 10kHz 15kHz 0,l -05 O 1,l 1,7 2,O 2,5 4.8 -11,7 -12,4 -12,l -11,3 -10,8 .-10,1 -8,4 -5,8 -3,7 -1,3 -22,6 -23,4 -23.2 -22.3 -21,9 -20,8 -18,6 -15,8 -13,7 -11,5 V0ie-G Voie-D Le niveau maximal de la dviation de frquence est quivalent O dB du niveau de codage. Enregistrement Enregistrement principal mono secondaire Signal mono Signal principal Signal mono Signal secondaire Transition: - temps datta

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