• BS EN 61119-1:1994

    Current The latest, up-to-date edition.

    Digital audio tape cassette system (DAT) Dimensions and characteristics

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  15-11-1994

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Cooperating organizations
    National foreword
    Foreword
    Introduction
    1. Scope and object
    2. Normative references
    3. Description of the system
    4. Test conditions
    5. Mechanical parameters
    5.1 Cassette
    5.1.1 Dimensions and tolerances
    5.1.2 Outside view
    5.1.3 Label area
    5.1.4 Window
    5.1.5 Accidental erasure prevention (AEP)
    5.1.6 Recognition holes
    5.1.7 Cassette holding area
    5.1.8 Groove for loading grip
    5.1.9 Tape begin/end detection
    5.1.10 Lid
    5.1.11 Slider locks
    5.1.12 Hub
    5.2 Tape
    5.2.1 Magnetic tape
    5.2.2 Leader and trailer tapes
    5.2.3 Tape winding
    5.2.4 Single hub friction torque
    6. Track configuration and patterns
    6.1 Track configuration
    6.1.1 Tape speed and number of tracks per second
    6.1.2 Track angle
    6.1.3 Track pitch
    6.1.4 Track length
    6.1.5 Track centre
    6.1.6 Head azimuth
    6.1.7 Effective recording width
    6.1.8 Definition of frame
    6.1.9 Optional tracks
    6.2 Signal allocation
    6.2.1 Recording format of track
    6.2.2 Positioning accuracy
    6.3 Recording signals
    6.3.1 Inter-block gap (IBG)
    6.3.2 Preamble, postamble and margin
    6.3.3 Automatic track finding (ATF), main data area
            and sub data area
    7. Recording parameters
    7.1 Recording level
    7.1.1 Specification
    7.1.2 Measurement method
    7.2 Erasing method
    8. Tracking scheme
    8.1 Automatic track finding (ATF)
    8.1.1 Definition
    8.1.2 ATF signal allocation
    8.1.3 Recording signal
    9. Main data area format
    9.1 Main data block format
    9.1.1 Synchronization pattern
    9.1.2 Main ID (W1, W2)
    9.1.3 Main ID parity
    9.1.4 Main data
    9.2 Main data configuration
    9.2.1 Main data allocation
    9.2.2 Recording direction
    9.3 Error correction and detection code (C1, C2)
    9.3.1 Definition
    9.3.2 Error correction code interleaving format
    9.3.3 Parity symbol
    9.4 Modulation
    9.4.1 Parameters
    9.4.2 Modulation method
    10. Sub data area format
    10.1 Sub data block format
    10.1.1 Synchronization pattern
    10.1.2 Sub ID (SW1, SW2)
    10.1.3 Sub ID parity
    10.1.4 Sub data
    10.2 Sub data configuration
    10.2.1 Sub data allocation
    10.2.2 Recording direction
    10.3 Error correction and detection code (SP)
    10.3.1 Definition
    10.3.2 Error correction code interleaving format
    10.3.3 Parity symbol
    10.4 Modulation
    11. Audio encoding
    11.1 Mode application
    11.1.1 Audio encoding mode
    11.1.2 System application
    11.2 Source encoding
    11.2.1 Emphasis
    11.2.2 Number of audio channels
    11.2.3 Sampling frequency
    11.2.4 Sampling timing
    11.2.5 Quantization
    11.3 Word to symbol conversion
    11.3.1 Audio data word
    11.3.2 48k mode, 44k mode, 44k-WT mode and 32k mode
    11.3.3 32k-LP mode
    11.3.4 32k-4CH mode
    11.4 Interleave format
    11.4.1 48k mode, 44k mode, 44k-WT mode and 32k mode
    11.4.2 32k-LP mode
    11.4.3 32k-4CH mode
    12. Sub code encoding for audio use
    12.1 Sub code in main ID
    12.1.1 ID1 to ID7
    12.2 Sub code in sub ID
    12.2.1 Configuration of sub ID
    12.3 Sub code in sub data
    12.3.1 Pack ID and pack location
    12.3.2 Configuration of pack
    12.3.3 Assignment of pack item
    12.4 Sub code in main data
    12.4.1 Recognition word for compact disk (CD) sub code
    12.4.2 Sub code for CD format
    12.5 Application rules of sub code for pre-recorded tape
    12.5.1 Classification of sub code recording
    12.5.2 Areas along tape longitude
    12.5.3 Location of pack
    12.5.4 Classification of catalog number and ISRC
            recording
    12.5.5 TOC recording
    12.6 Application rules of sub code for own-recorded tape
    12.6.1 Classification of sub code recording
    12.6.2 Recording function of sub code
    12.6.3 Areas along tape longitude
    12.6.4 Location of time code pack
    12.6.5 Details for recording sub code
    12.6.6 Rules of assemble-recording
    12.7 Application rules in playback situation
    12.7.1 Detection of identification code
    12.7.2 Mechanical conditions
    12.7.3 Shortening play
    12.7.4 Display
    12.7.5 Rules of searching
    12.7.6 Beginning point of playback after searching
    Annexes
    A. (normative) Transmissivity of the prism
    B. (normative) Measurement method of the force required
       to open the slider
    C. (informative) Abbreviations
    D. (informative) Explanations
    ZA. (normative) Other international publications quoted
       in this standard with the references of the relevant
       European publications

    Abstract - (Show below) - (Hide below)

    Defines those parameters affecting compatibility between cassettes and associated tape recorders that are applicable to the DAT cassette system that records and/or plays back digital information such as PCM encoded audio and/or other data.

    General Product Information - (Show below) - (Hide below)

    Committee EPL/100
    Development Note Supersedes 88/30302 DC. Also numbered as IEC 61119-1. (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6259:1997 Code of practice for the design, planning, installation, testing and maintenance of sound systems
    BS EN 61119-5:1995 Digital audio tape cassette system (DAT) DAT for professional use
    BS EN 61119-3:1994 Digital audio tape cassette system (DAT) DAT tape properties
    BS EN 61119-2:1994 Digital audio tape cassette system (DAT) DAT calibration tape
    BS 7851:1996 Digital audio tape cassette system (DAT). DAT logo application rule
    BS EN 61119-6:1994 Digital audio tape cassette system (DAT) Serial copy management system

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 3901:2001 Information and documentation International Standard Recording Code (ISRC)
    BS EN 61119-2:1994 Digital audio tape cassette system (DAT) DAT calibration tape
    BS EN 61119-3:1994 Digital audio tape cassette system (DAT) DAT tape properties
    IEC TR 61119-4:1997 Digital audio tape (DAT) cassette system - Part 4: Character packformat
    BS 7239(1989) : AMD 8452 SPECIFICATION FOR DIGITAL AUDIO INTERFACE
    IEC 61119-5:1993 Digital audio tape cassette system (DAT) - Part 5: DAT forprofessional use
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