ENTERTAINMENT
09–20–9
09–20
AUDIOPILOT OUTLINE [WITH BOSE]
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• Measures the driving noise level inside the vehicle with a specialized microphone, and the amplifier adjusts the
volume in accordance with the degree of noise masking the music component. Due to this, passengers can
enjoy music at a constantly perceived volume level regardless of the noise level.
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AUDIOPILOT CONSTRUCTION/OPERATION [WITH BOSE]
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• A microphone is installed on the lower panel.
• The amplifier separates the sound inside the vehicle, measured with a microphone, into music and noise, and
compares the noise and music levels at each frequency. Then, volume compensation is performed for
frequency bands where the noise is determined to interfere with the music.
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ON-BOARD DIAGNOSTIC SYSTEM OUTLINE
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• The on-board diagnostic system has a self-diagnostic function and diagnostic assist function to help
technicians locate malfunctions.
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NOISE
MUSIC
MICROPHONE
AMPLIFIER
OUTPUT TO SPEAKERS
TIME
MUSIC
(SET VOLUME)
NOISE INTERFERENCE AREA
A
A
SEC. A
—A
(COMPENSATION AT EACH FREQUENCY)
VOLUME
FREQUENCY
LOW
FREQUENCY
HIGH
FREQUENCY
MUSIC
COMPENSATED
VOLUME
FREQUENCY BAND REQUIRING COMPENSATION
ANALYSIS
COMPENSATION
VOLUME
NOISE
COMPENSATED
VOLUME
NOISE
E5U920ZS5004
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