Alpine PXE-H650 - System Integration Audio Processor Manual de usuario descargar pdf (Pagina 20)

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Detail of Control Points

Frequency (Hz)

Magnitude (db)

20k10k5k2k1k5002001005020

-30

-20

-10

Typical Cabin Response

Inverse Filter Response

Corrected Sound with IMPRINT

Behind the innovative IMPRINT Sound processing is a key technology called MultEQ. It analyses the

acoustic characteristics of your car interior, and then creates a set of equalisation ﬁ lters to correct for

frequency response and time delay problems for each speaker in your car. MultEQ applies processing

to over 500 speciﬁ c frequencies in the audio spectrum, correcting the sound to perfectly match your

listening environment with incredible precision. The result is that everyone in the car hears the music

with superb clarity and imaging.

Takes more time

to reach driver

Reaches

driver quickly

Windows

reflect sound

Dashboard causes

peaks and dips

Cloth coverings

absorb sound

Carpeted areas

suppress mid frequencies

Seats change

frequencies

The Technology behind IMPRINT Sound

SPX-17PRO

Factory Radio

PXE-H650 PDX-4.150

SWX-1243D

SPX-17PRO

PDX-1.1000

The acoustical problems inside the car

are overwhelming, and no system has

been able to truly correct them – until now. Alpine’s sophisti-

cated IMPRINT Sound technologies, including AntEQ and MultEQ,

provide a hardware/software combination that not only solves

these problems, but actually improves the sound stage, tonal

balance and deﬁ nition – automatically, in a matter of minutes!

Getting the Sound Right

Acoustical CChal l engesCinCtheCVehicl e

IMPRINTCSoundCOptimisation

Sampl eCSystem

Factory System Upgrading

You love music and you know good sound when you hear it. When you play your

music on an audio system, you expect to be able to hear it with all the power, clarity

and subtle expressive nuances of the original. Unfortunately, nothing dashes those

expectations more thoroughly than the sonic environment of the car.

The car interior is full of materials that actively distort and degrade the sound.

Windows amplify and reﬂ ect high frequencies. Seat and dashboard coverings

change certain frequencies. Carpets absorb and suppress mid frequencies.

These problems are far too complex to be solved by simple equalisation.

In addition, since the speakers are located at different distances from the

listeners, the sound stage created in the car is unbalanced and asymmetrical.

The Music You Expect to Hear

Poor Acoustics in the Car

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 31 32

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