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Super Bit Mapping, the Glossary

Index Super Bit Mapping

Super Bit Mapping (SBM) is a noise shaping process, developed by Sony for CD mastering.[1]

Table of Contents

  1. 11 relations: Bit, Compact disc, Direct Stream Digital, Equal-loudness contour, Extended Resolution Compact Disc, High Definition Compatible Digital, Mastering (audio), Noise shaping, Pulse-code modulation, Signal-to-noise ratio, Sony.

  2. Digital audio storage
  3. Optical disc authoring
  4. Sound technology

Bit

The bit is the most basic unit of information in computing and digital communication.

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Compact disc

The compact disc (CD) is a digital optical disc data storage format that was codeveloped by Philips and Sony to store and play digital audio recordings. Super Bit Mapping and compact disc are digital audio storage.

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Direct Stream Digital

Direct Stream Digital (DSD) is a trademark used by Sony and Philips for their system for digitally encoding audio signals for the Super Audio CD (SACD). Super Bit Mapping and Direct Stream Digital are digital audio storage.

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Equal-loudness contour

An equal-loudness contour is a measure of sound pressure level, over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones.

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Extended Resolution Compact Disc

Extended Resolution Compact Disc (XRCD) is a mastering and manufacture process patented by JVC (Victor Company of Japan, Ltd) for producing Red Book compact discs. Super Bit Mapping and Extended Resolution Compact Disc are digital audio storage.

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High Definition Compatible Digital

High Definition Compatible Digital (HDCD) is a proprietary audio encode-decode process that claims to provide increased dynamic range over that of standard Compact Disc Digital Audio, while retaining backward compatibility with existing compact disc players. Super Bit Mapping and High Definition Compatible Digital are digital audio storage.

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Mastering (audio)

Mastering, a form of audio post production, is the process of preparing and transferring recorded audio from a source containing the final mix to a data storage device (the master), the source from which all copies will be produced (via methods such as pressing, duplication or replication). Super Bit Mapping and Mastering (audio) are optical disc authoring.

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Noise shaping

Noise shaping is a technique typically used in digital audio, image, and video processing, usually in combination with dithering, as part of the process of quantization or bit-depth reduction of a signal. Super Bit Mapping and Noise shaping are digital signal processing.

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Pulse-code modulation

Pulse-code modulation (PCM) is a method used to digitally represent analog signals.

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Signal-to-noise ratio

Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

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Sony

, formerly known as and, commonly known as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan.

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See also

Digital audio storage

Sound technology

References

[1] https://en.wikipedia.org/wiki/Super_Bit_Mapping

Also known as SBM (Sony), SBM (digital audio), SBM Direct, Sony SBM, Sony SBM Direct, Sony Super Bit Mapping.