Overview
IEC 60050-806:1996/AMD1:2001 is an amendment to the International Electrotechnical Vocabulary (IEV), Part 06, focusing on the standardized terminology related to the recording and reproduction of audio and video. Published by the International Electrotechnical Commission (IEC), this amendment provides critical definitions and concepts primarily related to videodisk systems, ensuring uniformity and clarity across the electrotechnical industry dealing with audio and video media technologies.
This standardized vocabulary is essential for manufacturers, developers, engineers, and researchers involved in audio/video recording technologies, allowing for precise communication and consistent interpretation of key terms.
Key Topics
The amendment introduces and defines several important terms concerning the technical aspects and components of videodisk systems, including:
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Videodisk Systems
- Pre-recorded capacitance grooveless videodisk system (VHD system)
- Pre-recorded optical reflective videodisk system
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Key Components and Devices
- Capacitance pick-up: A sensor that reads microcuvettes by detecting capacitance variations on the disk surface.
- Optical stylus: A sensor operating via variations in optical characteristics of the recorded layer.
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Microcuvettes and Signals
- Information pits: Microcuvettes representing video/audio data.
- Tracking pits: Pits guiding the pick-up along correct paths.
- Index signals: Signals marking pit types.
- Radial and tangential signals: Signals produced by sensor movement in radial or tangential directions relative to the disk surface.
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Disk Zones
- Lead-in area: Area preceding the program content.
- Program area: Disk region where program data is stored.
- Lead-out area: Zone following program data for signal termination.
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Control and Status Codes
- Vertical interval control address signals: Coded signals for special playback functions and image or time info.
- Program status code: Indicates the usage status of audio/video channels.
- Audio mode code: Specifies audio mode, such as mono, stereo, or dual.
- Picture stop code: Commands still picture mode on players.
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Additional Codes and Features
- Constant linear velocity code (CLV): Marks disks using CLV format.
- Users code: Data for disk classification and identification.
- Audio subcarrier: Audio carrier modulated on the main video carrier in videodisks.
These terms collectively enhance the precision and interoperability in documentation, system development, and product implementation in the field of audio and video recording technologies.
Applications
IEC 60050-806 Amendment 1 serves important practical purposes such as:
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Standardizing Technical Language
Provides manufacturers and engineers with an authoritative lexicon for designing, producing, and troubleshooting videodisk recording and playback devices.
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Improving Equipment Interoperability
Facilitates compatibility and integration of components by clearly defining signal types, sensor functionalities, and disk structures.
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Supporting Technical Documentation and Training
Enables coherent and consistent documentation, user manuals, and educational materials for users and professionals in the audio-video technology industry.
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Guiding Quality Control and Testing
Helps quality assurance processes by defining exact meanings of signals and disk zones to benchmark equipment performance.
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Enhancing Communication Across Borders
With multi-language indexing, it supports global collaboration and market adaptation by offering equivalent technical terms in languages like French, English, German, Spanish, Japanese, Polish, Portuguese, and Swedish.
Related Standards
IEC 60050 is a broader vocabulary standard containing multiple parts that cover diverse electrotechnical domains. For professionals working with audio and video technologies, the following related standards may be relevant:
- IEC 60050-800 series - General audio, video, and multimedia terminology standards.
- IEC 60140 series - Standards on audio recording and playback devices.
- IEC 60794 - Standards related to optical fibers and cables, which may intersect with optical recording technologies.
- IEC 60958 - Digital audio interface standards, important for audio signal transmission.
By referencing IEC 60050-806 Amendment 1 together with these standards, stakeholders in the audio-video industry can ensure comprehensive compliance and technical accuracy.
Keywords: IEC 60050-806, audio and video recording terminology, videodisks, capacitance pick-up, optical stylus, information pits, tracking pits, program area, lead-in area, lead-out area, program status code, audio mode code, constant linear velocity, IEC vocabulary, electrotechnical standards, audio-video reproduction, video disc systems, international electrotechnical vocabulary.
Open preview (PDF)Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 06: Recording and reproduction of audio and video
