Terminology

Bit rate

This is the “sound” compression rate specified for encoding. The higher the bit rate, the higher the sound quality, but also the larger the files.

Sampling rate

This value shows how many times per second the data is sampled (recorded). For example, music CDs use a sampling rate of 44.1 kHz, so the sound is sampled (recorded) 44,100 times per second. The higher the sampling rate, the higher the sound quality, but also the larger the volume of data.

Encoding

Converting music CDs, WAVE (AIFF) files, and other sound files into the specified audio compression format.

Tag

Song information such as track titles, artist names, album names, etc., written into MP3 files.

MP3: ID3 tag

Root folder

The root folder (or root directory) is found at the top of the file system. The root folder contains all folders and files. It is created automatically for all burned discs.

Sound Setting

/ESC SOURCE/ BAND/TA

AUDIO/RTN/A.SEL

Adjusting Bass/Treble/Balance (Between

Left and Right)/Fader (Between Front

and Rear)/Loudness/Defeat

1 Press AUDIO/RTN repeatedly to choose the desired mode.

Each press changes the mode as follows:

SUBW*1 BASS TREBLE BAL FADER LOUD*2 DEFEAT VOLUME SUBW

Subwoofer : 0 ~ +15

Bass level: –7 ~ +7

Treble level: –7 ~ +7

Balance : L15 ~ R15

Fader : R15 ~ F15

Loudness : ON/OFF

Defeat : ON/OFF

Volume : 0 ~ 35

If no operation is performed for 5 seconds after selecting the SUBW, BASS, TREBLE, BAL, FADER, LOUD or DEFEAT mode, the unit automatically returns to normal mode.

*1 When the subwoofer mode is set to OFF, its level cannot be adjusted. *2 Loudness introduces a special low- and high-frequency emphasis at

low listening levels. This compensates for the ear’s decreased sensitivity to bass and treble sound. The function is inoperable when DEFEAT is set to ON.

2 Press or until the desired sound is obtained in each mode.

By setting Defeat ON, previously adjusted settings of BASS and TREBLE will return to the factory defaults.

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Alpine CDE-9870R owner manual Sound Setting, Terminology, Press AUDIO/RTN repeatedly to choose the desired mode