Bedienungsanleitung Yamaha 02R (Seite 338 von 354) (Englisch)

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Glossary 227

Digital Recording Console 02R User’s Guide

Dither – Dithering is a mathematical process where a random noise is

added to the least signiﬁcant bit of a digital word. With very low level

signals, the quantization error becomes correlated to the signal level. This

creates a measurable amount of distortion. By adding dither, the correlation

between the signal level and the quantization error is cancelled, allowing

the digital system to encode amplitudes smaller than the least signiﬁcant

bit. If you change the word size as a signal passes from one digital system

to another, being able to add dither allows you to maintain a high quality

signal.

Digital Signal Processor (DSP) – A specialized circuit, usually a chip, that

is designed to manipulate large quantities of data in real-time. YAMAHA

has developed world renowned expertise in proprietary musical

application speciﬁc digital signal processing.

Ducking – Ducking is used to automatically reduce signal levels when the

level of a source signal exceeds a speciﬁed threshold. It is used for

voice-over applications where, for example, level of background music is

automatically reduced, allowing an announcer to be heard clearly. See

Dynamics Processor.

Dynamic range – The difference between the loudest (maximum output

level) and quietest (residual noise ﬂoor) sounds produced in an audio

system. The dynamic range in a digital system is determined by the data

resolution, about 6dB per digital bit. A 20-bit system has a theoretical

dynamic range of 120 dB. The 02R has a speciﬁed dynamic range of 105 dB.

Dynamics Library – An area in 02R memory used to access and store

dynamics settings – stored as programs. There are 40 preset programs (1 to

40) for you to recall and 88 user programs (41 to 128) for you to store your

own dynamics settings.

Dynamics Processor – Dynamics processors are used to correct or control

signal levels. The 02R features comprehensive dynamics processors for all

the input channels, tape returns, and the bus and stereo outputs. These

processors allow you to compress, expand, compress-expand (compand),

gate, or duck the signals passing through the mixer. See Compander,

Compressor, Ducking, Expander, and Gate.

Edit Buffer – The Edit Buffer is the current mix settings. When a scene

memory is recalled, the mix settings of the selected scene memory are

written to the Edit Buffer. When a scene memory is stored, the mix settings

in the Edit Buffer are written to the selected scene memory.

Equalizer – The 02R is equipped with a four-band, fully parametric

equalizer, with variable bandwidth (Q), center frequency (F), gain (G), and

ON/OFF parameters. equalization can be applied to the input channels,

the tape and effect return channels, and the stereo output. For stereo

channels, the equalization curve is applied equally to both channels.

Equalizer Library – An area in 02R memory used to access and store

equalizer settings – stored as programs. There are 40 preset programs (1 to

40) for you to recall and 88 user programs (41 to 128) for you to store your

own equalizer settings.

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