Yamaha AW2816 Tutoriel - Page 28

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1. Recording on the Aw2816

A/D converter

A circuit that converts an analog audio signal into a

digital audio signal.

AD/DA

Conversion of an audio signal from analog to digital,

or from digital to analog. All processing within the

AW2816 is performed in digital form, but when an

analog audio signal is input, it passes through AD

conversion, and when sound from the AW2816 is

monitored (*see entry), it passes through DA conver-

sion.

AES/EBU

This is one of the professional formats for exchanging

digital audio signals, and is a versatile format used on

many devices. The MY8-AE (separately sold option)

which can be installed in the YGDAI slot (*see entry)

provides a D-sub 25 pin connector that can simulta-

neously transmit and receive eight channels of digital

audio signals.

ATAPI

A speciﬁcation for CD-RW drives that can be installed

in the AW2816. The speciﬁcation is the same as IDE,

but on the AW2816 this term is used to distinguish it

from the internal hard disk.

Audio source

A collective term for the signals that are input to a

mixer or recorder. In the ﬁeld of recording, the similar

terms "tone generator" or "sound module" usually

refer to an electronic instrument that produces sound,

such as a synthesizer.

Automix

A function by which operations of mixer parameters

such as knobs and faders are recorded along the time

axis deﬁned by the AW2816's internal time code or

externally-received MTC (*see entry), and can repro-

duce these movements during playback.

AUX

Stands for "auxiliary." Signal output destinations used

when using the two internal effects of the AW2816, or

when using an external effect processor.

Bus

An audio signal route within the AW2816's mixer sec-

tion, used to combine multiple channels (*see entry).

Normally you will not need to be aware of buses if

you use the QUICK REC function to prepare for

recording. However you can also use buses to per-

form more sophisticated recording or mixdown tech-

niques.

Channel

A signal routing unit through which a sound that is

input to the mixer section is adjusted by volume and

pan (*see entry) and then output. The mixer section of

the AW2816 provides a total of 28 channels, includ-

ing the recorder playback and the outputs of the two

effects.

Glossary

Chase

A state in which the AW2816 is receiving MTC (*see

entry) from an external device and running in syn-

chronization with it. A standby state in which syn-

chronization operation is possible is sometimes called

"chase on" or "chase standby."

Coaxial

Refers to a type of connector that carries IEC60958 (S/

P DIF) format digital audio signals.

Compressor

An effect that lowers the volume when the input

sound exceeds the speciﬁed Threshold level, or boosts

the sound when it is below this level, in this way mak-

ing the overall volume more consistent.

D/A converter

A circuit that converts a digital audio signal into an

analog audio signal.

Default setting

The state of a setting when a device is purchased or

powered-on. Also called "factory setting" or "initial

setting." The AW2816 can be restored to the default

settings by recalling scene memory 00.

Dithering

When a digital audio signal is transmitted to a device

with a lower quantization (*see entry), dithering com-

bines some of the rounded-off portion with the data

that is retained (i.e., instead of simply discarding the

lower-value bits), in order to reduce the noise that is

generated by this conversion. Since this changes the

data itself, there are situations in which it is better not

to apply dithering.

Dynamic range

The range from maximum volume to silence,

expressed in dB (decibels). This is one aspect from

which you can determine the accuracy with which a

certain device can handle audio signals.

Dynamics

Refers to changes in the volume; for example if the

volume varies dramatically between loud and soft,

one might say that there is "a lot of variation in the

dynamics." Effects such as compressor (*see entry) or

limiter (*see entry) that are used to compensate the

volume are referred as "dynamics effects."

Equalizer

A function that adjusts the sound by boosting/cutting

a speciﬁc frequency band (*see entry) of the sound

that is input to that channel. On the AW2816, a four-

band parametric equalizer with adjustable frequency

and AW2816 (*see entry) is provided on every chan-

nel.

Frequency band

Refers to a point or area on the frequency axis of

sound, from low to high ranges. This term is used

when specifying the point at which an equalizer (*see

entry) will adjust the sound.

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