Audiopilot Outline [With Bose]; Audiopilot Construction/Operation [With Bose] - Mazda 2006 MX-5 Service Highlights

AUDIOPILOT OUTLINE [WITH BOSE]

• 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]

• 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.
NOISE
MUSIC
COMPENSATED
VOLUME
VOLUME
NOISE INTERFERENCE AREA
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ON-BOARD DIAGNOSTIC SYSTEM OUTLINE
• The on-board diagnostic system has a self-diagnostic function and diagnostic assist function to help
technicians locate malfunctions.
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ENTERTAINMENT
AMPLIFIER
MICROPHONE
ANALYSIS
COMPENSATION
A
MUSIC
(SET VOLUME)
A
NOISE
TIME
OUTPUT TO SPEAKERS
FREQUENCY BAND REQUIRING COMPENSATION
VOLUME
COMPENSATED
VOLUME
NOISE
LOW HIGH
FREQUENCY
FREQUENCY
SEC. A
—
(COMPENSATION AT EACH FREQUENCY)
E5U092066900N06
E5U092066900N07
MUSIC
FREQUENCY
A
E5U920ZS5004
E5U092066900N04
09–20–9
09–20