What is this BS EN 61909 - Audio recording minidisc system about?
BS EN 61909 discusses audio recording with a focus on minidisc system. BS EN 61909 applies to the Mini Disc (MD).
BS EN 61909 defines the mechanical and electrical characteristics necessary to ensure the interchangeability of both premastered optical discs and recordable magneto-optical disc for the compressed digital audio recording system.
Who is BS EN 61909 - Audio recording minidisc system for?
BS EN 61909 on audio recording minidisc system is useful for:
- Audio equipment manufactures
- Audio programmers
- Music producers
- Regulatory bodies
Why should you use BS EN 61909 - Audio recording minidisc system?
The premastered part of the disc contains a spiral shaped track, consisting of narrow shallow depressions, called pits, in a reflective or a magneto optic (MO) layer. The encoded audio or data information is stored in the length of these lengths and distances only take discrete values.
BS EN 61909 discusses disc specification, optical stylus, and cartridge, pregroove modulation, EFM modulation, ACIRA error correction system, sector data structure, and audio data. This will help you to understand the mechanical and electrical characteristics necessary to ensure interchangeability.