Bedienungsanleitung Velodyne DD-18plus (Seite 24 von 42) (Englisch)

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OPTIMIZATION INTRODUCTION

This part of this manual first explains the optimization methods and nomenclature. To help you choose a method, this section then describes

the capabilities of each method as well as the time each optimization requires to complete. Next, to help you choose how to perform your

elected optimization method, this part describes the optimization software interfaces available, including the Window Setup Program and

your TV screen.

To help you understand the parameters you can optimize, this section then discusses each how each parameter affects the subwoofer’s bass

output. Finally, this part recommends the basic methodology for performing Manual-EQ optimization.

OPTIMIZATION METHODS

The Digital Drive

LUS

subwoofer offers the Place & Play, Self-EQ, Auto-EQ

LUS

and Manual-EQ optimization methods. EQ is a shorthand way

to refer to all the subwoofer’s parameters that can be changed to equalize how the subwoofer sounds throughout its frequency range. You

choose what is right for you although Velodyne recommends Auto-EQ

LUS

as it automatically gives you great sounding bass in about 5 minutes

(not including setup time) and doesn’t require you to install and use the Velodyne-authored Windows Setup Program on your Windows

computer or the TV-screen interface to manually modify the bass frequency response.

Place & Play

Place & Play setup doesn’t require the use of the supplied microphone. You can get great sounding bass from the factory-default EQ settings

with the ability to use the default preset EQ settings for different audio genres.

Self-EQ

Self-EQ is the simplest and fastest way to optimize the bass response from your subwoofer for your room. Self-EQ adjusts the levels of eight

parametric EQs only. Unlike Auto-EQ and Manual EQ, which use the sweep tone on the enclosed CD and can adjust all settings on the

subwoofer, Self-EQ uses a sweep tone generated from the subwoofer itself which is picked up using the calibrated microphone. Self-EQ

smoothes the frequency response of the subwoofer from 15 to 120 Hz and leaves the settings for volume, crossover, slope and phase

unchanged.

Auto-EQ

PLUS

(Recommended)

Auto-EQ

PLUS

is recommended by Velodyne. Auto-EQ

PLUS

is the most advanced way to automatically optimize the bass response from your

subwoofer and audio system. During the Auto-EQ

PLUS

process, the Auto-EQ

PLUS

digital signal processing algorithm uses a calibrated

microphone and the Auto-EQ

PLUS

sweep tone (found on the enclosed CD) played through your system to optimize the low frequency output

response. The Auto-EQ

PLUS

system first automatically mutes the subwoofer to determine the low frequency response (<200 Hz) of the

speakers in your audio system. After finding this response, the subwoofer unmutes itself and matches its output to the satellites while

maintaining a smooth blend with the satellite’s low frequency output. Auto-EQ

PLUS

then adjusts the output level, the frequency response,

the crossover filter parameters, and the output phase, but only adjusts the parametric filters for level.

Manual-EQ

Manual-EQ is the most customized way to optimize the bass response from your subwoofer.

The Auto-EQ

PLUS

optimizes in a manner that

sounds great for many people. However, we at Velodyne understand that everyone has unique listening preferences and that there are

thousands and thousands of receiver, processor, speaker and room combinations. Hence, the Digital Drive

PLUS

subwoofers and the

Auto-EQ

PLUS

system are designed to support custom EQ settings through the Manual-EQ process. We recommend you start your

Manual-EQ optimization with the settings from the Auto-EQ

PLUS

optimization as a starting point for you to further tune the Digital Drive

PLUS

subwoofer to your preference. You can optimize the subwoofer for the preset levels, crossover filter parameters, and phase as well as the

full parametric filter parameters.

Manual-EQ also uses the

Auto-EQ sweep tone played through your system, but also requires you to use the V

elodyne-authored Windows

Setup Program on your Windows computer or the

TV-screen interface to manually modify the bass frequency response.

[ 21 ]

igital Drive

LUS

ser’s Manual

PART THREE — OPTIMIZE

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