Philips SBCHP1500/17 Manuel utilisateur

Instructions for use

English 4

Mode d'emploi

Français 30

Bedienungsanleitung

Deutsch 56

Gebruiksaanwijzing

Nederlands 82

Instrucciones de manejo

Español 108

Manual de utilização

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HP1500

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☎Helpline (www.p4c.philips.com)

België/Belgien/Belgique

32-2-525.81.11

Danmark

45 33 29 33 33

Deutschland

49-40-28990

España

34-91-4042200

France

33 1 47 28 10 00



30-1-4894911

Ireland

353-1-764 0000

Italia

39.039.203.1

Nederland

0900-8406

Norge

47-22-748 000

Österreich

43-1-601 01

Portugal

+351-21-416 33 33

Schweiz/ Suisse/ Svizzera

41-1-48 82 211

Suomi

358-9-615 800

Sverige

468 598 520 00

UK (United Kingdom)

44-208-689 2166

‘Dolby’,‘Pro Logic’ and the double-D symbol

are trademarks of Dolby Laboratories.

‘DTS’ and ‘DTS Virtual’ are trademarks of

Digital Theater Systems, Inc.

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ENGLISH4

Index

4 Introduction

5System configuration

6Dolby Headphone

7Advanced technologies used in HP 1500

10 Digital audio formats

10 Important information

11 Benefits of latest sound processing technology

11 Kit contents

12 Functional overview

15 Installation

15 Audio connections

26 Basic operation

27 Problem solving

28 Maintenance

28 Technical specifications

29 European Regulations

Introduction

SBC HP1500

Congratulations! You have just bought a most sophisticated digital

headphone system.

This system uses state of the art digital technology, offering you the freedom

of enjoying your favourite music or movies in the purest digital quality.

Even silent passages in classical music and plain silence in between

two music tracks are reproduced as pure silence.

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This system has been designed to faithfully reproduce the kind of

multi-channel surround sound experience that you normally can enjoy with

a conventional multi-channel speaker set-up.The latest digital signal

processing technology is being used to ensure that you can indulge yourself

in an overwhelming private home entertainment experience.

And all this at the volume level that you personally prefer without running

the risk of disturbing the neighbours or the family!

To ensure you get the best performance from your digital headphone

system please read this manual carefully.

System configuration

The HP 1500 system consists of a digital base station and a pure

Hifi headphone.The base station contains a digital signal processor offering

you a real 5.1-channel surround sound experience through the personal

comfort of your headphone.

The base station can decode Dolby Pro Logic II signals as well as

Dolby Digital and DTS signals.The Dolby Headphone technology will

ensure that these signals are converted to audio signals that can be handled

by the headphone whilst still maintaining the directional information as in

the original signals.

The base station has an analogue stereo input as well as a digital electrical

coaxial S/PDIF input.The digital input allows you to enjoy your favourite

DVD movies in full surround sound through Dolby Pro Logic II,

Dolby Digital or DTS. And the analogue input brings your collection of

VCR tapes back to life in full Dolby Pro Logic II surround sound.

The pure Hifi headphone that comes with the HP1500 system will provide

you with pure audio quality that is second to none.

Power

Supply

Audio Processing

User

Interface Control Block Diagram

HP1500 Basestation

Basestation Audio Processing

SEL HP

AMP

DTS

LPCM

DAI

ADC

DIG

ANA

DPLII DH DAC DBE

ENGLISH 5

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ENGLISH6

Dolby Headphone

A brief introduction

Dolby Digital and DTS provide discrete left and right surround channels,

for more precise localization of sound and a more convincing, realistic

ambience. Discrete means that each channel contains its own particular

audio information and plays a unique role in creating a realistic surround

sound experience.

Up until now all this was reserved to speaker set-ups, but thanks to

Dolby Headphone, the ultimate experience in home theatre surround with

five (left, right, centre, rear-left and rear-right) discrete channels of digital

sound quality is now also available to headphones.

Dolby Headphone is a revolutionary signal processing system that works

not only with multi channel audio but also with conventional stereo signals.

In case of multi channel audio signals, Dolby Headphone technology will

process these signals in such a way that you will experience the sound

through your headphone as if it were coming from an actual five speaker

home entertainment set-up. And even when listening to conventional stereo

signals, Dolby Headphone will give you a much more natural and less

fatiguing listening experience, equivalent to a good two-speaker playback

system in a room with good acoustics.

Dolby Headphone technology can model the sound of a playback system in

up to three different listening environments, based on acoustic

measurements of real rooms:

•DH1 is a small, well-damped room appropriate for both movies and

music-only recordings.

•DH2 is a more acoustically live room particularly suited to music

listening, but also great for movies.

•DH3 is a larger room, more like a concert hall or movie theatre.

You can easily switch between these room modes and select whichever one

suits the particular program material and your own preferences.

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Advanced technologies used in HP 1500

The HP1500 makes use of several advanced technologies.

Principle of determining the direction of sound

People can determine the localization of sounds through the perception of

differences in intensity – so called Interaural Intensity Difference (IID) – and

through time differences – so called Interaural Time Difference (ITD).

IID is about the fact of sounds being louder as they are closer to the ear

and being louder in case they have a non-obstructed path to the ear.

ITD is about the fact that in most cases sounds will arrive earlier in time at

one ear than at the other.

In fact it is the environment itself that greatly impacts the sound before it

reaches our ears. Reflections and absorption all will influence the sense of

distance and direction we associate with a sound.

Combining IID and ITD will allow the brain to determine the direction of

sounds only in a rough way. It is in through the combination of IID and ITD

and the way sounds are filtered because of the structure of the pinna

– the outer ear – that allows to brain to accurately localise sounds.

•Depending on how a sound wave hits the pinna, it will be emphasized

or suppressed.

•Depending on how a sound wave hits the pinna, reflections within the

pinna are created, altering the phase relationship within the spectrum of

the sound wave.

•And also: higher frequencies are more affected by the pinna than lower

frequencies.That’s why our brain can easily locate higher frequencies,

rather than lower frequencies.

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ENGLISH8

If we wish to reproduce all those effects through an audio system, than we

need to take IID, ITD, pinna effects, room impulse response, etc. into

account.That is where Head-Related Transfer Functions (HRTF) come into

play.

An HRTF is a mathematical equation that describes how a sound is effected

when travelling from its source to our ears.

There are several ways to synthesise an HRTF.The most common way to

measure an HRTF makes use of placing tiny microphones in a listener’s ears.

Every person has its unique HRTF. However, we can identify crucial parts in

an HRTF that are responsible for localization of sound as if this sound

would be radiated by a typical home cinema speaker set-up.

When these parts are synthesized in an optimal way, a typical 5 speaker set-

up listening experience is created.

HRTFs are implemented in real-time Digital Signal Processors (DSP) and

will then be applied to audio signals in order to reproduce "spatial" cues, i.e.

create a sense of directionality.

It is through these techniques that Philips is able to bring you a home

cinema experience through a headphone that is as real as when you would

be listening to an actual 5.1 speaker set-up.

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Automatic Audio Signal Routing

The Automatic Audio Signal Routing (AASR) feature of the HP 1500

basestation allows for audio sources to be connected to its audio inputs and

at the same time it can pass those same audio signals on to – for example –

your Home Cinema receiver.This allows for permanent audio connections

to be made without the need for swapping cables.Whether you want to

listen to your headphone or your existing speaker set-up, it no longer

involves tiresome swapping of cables: the choice is yours at the flick of a

switch.

Intelligent user interface

After a digital analysis of the audio input signal the display will indicate which

sound processing features can be activated. No more frustrating pressing of

all buttons. Just read the display and select out of the active sound menus.

Headphone construction

The headphone’s semi-open construction will benefit the transparency of

the sound.This will make you experience your favourite tracks under even

more realistic conditions.

Neodymium magnets

Neodymium is the strongest magnet material available, which optimises the

behaviour of the speaker coil for increased sound pressure levels and a

more powerful bass response. All this at the lowest possible levels of

distortion.

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ENGLISH10

Digital audio formats

The device will recognize the following digital input signals:

–Stereo LPCM with sample frequencies 44.1 kHz and 48kHz

–Dolby® Digital (AC-3), up to 5.1 channels

–DTS®, up to 5.1 channels

In case an invalid digital signal is detected - for example a digital MP3 data

stream - the ‘DIGITAL’ indication LED will be illuminated in red.

In case a valid digital signal is detected - for example a digital DTS data

stream - the ‘DIGITAL’ indication LED will be illuminated in green.

TO ENSURE YOU GET THE BEST PERFORMANCE FROM YOUR

DIGITAL HEADPHONE SYSTEM:

PLEASE READ THIS MANUAL CAREFULLY.

Important information

•Please read the following instructions carefully, and retain this booklet for

future reference.All the safety and operating instructions should be read

before using the digital headphone system.

•Check if the voltage indicated on the type plate (located at the bottom of

the set) corresponds to the local mains voltage before connecting to the

mains power supply.

•Remove the batteries from the headphone’s battery compartment and

from the base station’s charging compartment and disconnect the power

cable from the mains if the system is not in use for a long period.

•Prevent fire or shock hazard: do not expose this equipment to humidity,

rain, sand or excessive heat caused by heating equipment or direct

sunlight.

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