Bedienungsanleitung JVC UXMD9000R (Seite 28 von 33) (Englisch)

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ATRAC (Adaptive Transform Acous-

tic Coding)

Within recordings, there are sounds which cannot be readily heard.

For example, as the volume decreases, high-pitched sounds and

low-pitched sounds become difficult to hear. also, if a quiet sound

comes at the same time as or just after a loud sound, it will not be

heard. With minidiscs, data is compressed using a technology called

ATRAC (Adaptive Transform Acoustic Coding) which selectively

chooses sounds based on human sense of hearing characteristics.

With this technology, the recorded data is about one-fifth the vol-

ume of the original data, allowing it to fit on a compact minidisc.

Sound skip guard memory

With the minidisc, the data of the track being played can be tempo-

rarily stored up using a function called “sound skip guard memory”.

Even when data cannot be collected properly from the disc due to

shaking or vibrations, information is stored in the “sound skip guard

memory”, so that there is no break in the sound which is actually de-

livered.

UTOC (User Table Of Contents)

In a minidisc, apart from the recorded tracks, there is the “UTOC”.

In this area, information such as the position where each track is re-

corded, the track divisions, and track order are listed. When music

search is done, the UTOC is consulted, and the tracks are quickly

found and played back. When editing is done, only the UTOC is

changed, so there is no need to re-record the tracks.

+20

-20

-40

-60

(dB)

20 50 100 500 1k

5k 15k10k

(Hz)

Low

Sound range

High

Sound range and sensitivity of our ears

Sharp

Sensitivity

of our ears

Dull

STOP

Optical pickup

Sound jump

guard menory

During normal play When vibration has occurred

UTOC

Track details

Contents

1. Track A: Page 9

2. Track B: Page 6

3. Track C: Page 10

■■

MD (Minidisc) Error Messages

Error messsage Meaning Action

BLANK DISC

A disc has been inserted with nothing

recorded on it.

Except when making a new recording,

replace the disc with one which has been

recorded on.

CANNOT JOIN

You have tried to join tracks which cannot

be joined.

This is a limitation of the minidisc system.

See “Minidics limitations” on page 25.

DISC ERROR

There is a problem (damage) with the disc. 5HSODFHýWKHýGLVFïï

DISC FULL

7KHUHýLVýQRWýHQRXJKýVSDFHýOHIWýRQýWKHýGLVFï

7KHUHýDUHýRYHUýëèéýWUDFNVï

5HSODFHýWKHýGLVFýZLWKýDQRWKHUýUHFRUGDEOHý

0'ï

DISC PROTECTED

The disc is in accidental erasure protection

mode.

Slide the accidental erasure protection tab.

(So that the hole is covered.)

EMERGENCY STOP

$ýPDOIXQFWLRQýRFFXUUHGýGXULQJýUHFRUGLQJï 6WRSýWKHýGLVFýE\ýSUHVVLQJýWKHý7ýEXWWRQýDQGý

UHGRýWKHýRSHUDWLRQï

NO DISC 7KHUHýLVýQRýGLVFýLQýWKHýXQLWï ,QVHUWýDýGLVFýLQWRýWKHýXQLWï

NON AUDIO

CANNOT COPY

<RXýKDYHýWULHGýWRýGLJLWDOO\ýGXEýDý&'ð

520

6WRSýUHFRUGLQJï

PLAYBACK MD

<RXýKDYHýWULHGýWRýUHFRUGýRUýHGLWýRQýDýSOD\ð

EDFNðRQO\ýGLVFï

5HSODFHýWKHýGLVFýZLWKýDýUHFRUGDEOHý0'ï

TRACK

PROTECTED

7KHýWUDFNýLVýSURWHFWHGï 7KLVýXQLWýFDQQRWýXQGRýWUDFNýSURWHFWLRQïý

8QGRýWKHýSURWHFWLRQýXVLQJýWKHýDSSOLDQFHý

WKDWýFUHDWHGýLWï

SCMS

CANNOT COPY

<RXýKDYHýWULHGýWRýPDNHýDýFRS\ýRIýDýFRS\ý

E\ýGLJLWDOýGXEELQJï

'XEýXVLQJýDQDORJXHýLQSXWýõ/,1(ý,1ôï

DIGITAL IN

UNLOCK

7KHýGLJLWDOýFDEOHýLVýGLVFRQQHFWHGï &RQQHFWýWKHýGLJLWDOýFDEOHýVHFXUHO\ï

Ux-MD9000-e.fm Page 24 Tuesday, June 23, 1998 9:38 AM

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JVC UXMD9000R Seite 28

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