Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use - Part 3: Format B

Should be used in conjunction with EN 61120-1 and EN 61120-2.

Digitales Tonbandgerät - Spulensystem mit Magnetband 6,3 mm für Studioanwendung - Teil 3: Format B

Système d'enregistrement à bande audionumérique, bobine à bobine, utilisant une bande magnétique de 6,3 mm, à usage professionnel - Partie 3: Format B

Doit être lue conjointement avec les EN 61120-1 et 61120-2.

Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use -- Part 3: Format B (IEC 61120-3:1993)

General Information

Status
Published
Publication Date
17-Oct-1993
Withdrawal Date
31-Aug-1994
Current Stage
6060 - Document made available - Publishing
Start Date
18-Oct-1993
Completion Date
18-Oct-1993

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Standard
EN 61120-3:1999
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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 61120-3:1999
01-april-1999
Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for
professional use -- Part 3: Format B (IEC 61120-3:1993)
Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for
professional use -- Part 3: Format B
Digitales Tonbandgerät - Spulensystem mit Magnetband 6,3 mm für Studioanwendung --
Teil 3: Format B
Système d'enregistrement à bande audionumérique, bobine à bobine, utilisant une
bande magnétique de 6,3 mm, à usage professionnel -- Partie 3: Format B
Ta slovenski standard je istoveten z: EN 61120-3:1993
ICS:
33.160.30 Avdio sistemi Audio systems
SIST EN 61120-3:1999 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

CEI
NORME
IEC
INTERNATIONALE
1120-3
INTERNATIONAL
Première édition
STAN DARD First edition
1991-11
Système d'enregistrement à bande audio-
numérique, bobine à bobine, utilisant une bande
à usage professionnel
magnétique de 6,3 mm,
Partie 3:
Format B
Digital audio tape recorder reel to reel system,
using 6,3 mm magnetic tape, for professional use
Part 3:
Format B
ght — all rights reserved
Droits de reproduction réservés— Copyri
© CEI 1991
Aucune partie de
cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized
utilisée sous quelque forme
que ce soit et par aucun procédé, in any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photocopie et les including photocopying and microfilm, without permission
microfilms, sans l'accord écrit de l'éditeur. in writing from the publisher
Bureau central de la Commission Electrotechnique Inte rn
ationale 3, rue de Varembé Genève Suisse
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R
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HoMHCCHA
• Pour p x,
• ri voir catalogue en vigueur
For price, see current catalogue

---------------------- Page: 2 ----------------------

1120-3©IEC – 3 –
CONTENTS
Page
5
FOREWORD
Clause
1 Main track recording 7
1.1 Recording modulation method 7
1.2 Signal block structure 13
1.2.1 The word format 13
13
1.2.2 The block structure
17
1.2.3 The Sync/Control word
19
1.3 Signal word distribution to tracks
19
1.3.1 Track-to-channel assignment
21
1.3.2 Signal word distribution to tracks
23
1.4 Error protection method
1.4.1 Interleaving and parity sums 23
1.4.2 The CRC word 27
29
1.5 Recording and reproducing characteristics
29
1.5.1 Reference tape
29
1.5.2 Calibration tapes
29
1.5.3 Procedure for adjusting recording current level and waveform
29
1.5.4 Specifications of tolerance relative to calibration tape
31
2 Sub-track recording
31
2.1 Digital recording method
2.1.1 Recording method on sub-track 2 31
31
2.1.1.1 The recording code
2.1.1.2 The data format 33
2.1.1.3 The synchronization pattern 33
2.1.1.4 The Control word 35
2.1.1.5 The Reference address 35
2.1.1.6 The CRC word 37
2.2 Alignment of digital audio signals and sub-track signals 37
2.2.1 Alignment of cue audio-1 and cue audio-2 track signals 37
2.2.2 Alignment of time code track signal 37
2.2.3 Alignment of Reference track signal 37

---------------------- Page: 3 ----------------------

- 5 --
1120-3©IEC
COMMISSION
INTERNATIONAL ELECTROTECHNICAL
DIGITAL AUDIO TAPE RECORDER REEL TO REEL SYSTEM,
USING 6,3 mm MAGNETIC TAPE,
FOR PROFESSIONAL USE
Part 3: Format B
FOREWORD
The formal decisions or agreements of the IEC on technical matters, prepared by Technical Committees on
1)
which all the National Committees having a special interest therein are represented, express, as nearly as
possible, an international consensus of opinion on the subjects dealt with.
They have the form of recommendations for international use and they are accepted by the National
2)
Committees in that sense.
In order to promote international unification, the IEC expresses the wish that all National Committees
3)
should adopt the text 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.
of IEC 1120 has been prepared by Sub-Committee 60A: Sound recording, of IEC
This part
Technical Committee No. 60: Recording.
should be used in conjunction with parts 1 and 2 of this standard.
This part
The text of this part is based on the following documents:
Six Months' Rule Report on Voting
60A(CO)133
60A(CO)126
Full information on the voting for the approval of this part can be found in the Voting
Report indicated in the above table.
The following IEC publications are quoted in this standard:
Publications Nos. 1120-1: Digital Audio Tape Recorder reel to reel system, using 6,3 mm magnetic tape,
for professional
...

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