Meridian Audio 565 manual Centre Phase

Page 42

Calibrating the system

38

Centre Phase

As in the previous test, signals are applied to the main left, right, and centre speakers to allow you to adjust the relative phase and delay on the centre channel.

●Use > and < to switch between phase and delay.

When setting phase the display shows the absolute phase of the centre speaker.

Centre Phs +

For example:

●Use A and V to change the phase.

Choose the correct setting as follows:

Setting

What it sounds like

Correct

The centre speaker reinforces the

 

sound.

Incorrect

The sound from the centre cancels

 

some of the image formed by the left

 

and right speakers.

When setting the delay the display shows the relative displacement, in feet, of the centre speaker.

●Use A and V to adjust the delay.

Choose the correct setting as follows:

Setting

What it sounds like

Correct

The sound between the speakers is

 

very even, and does not change

 

radically as you move your head.

Incorrect

The sound appears diffused, and

 

changes in timbre and apparent

 

location as you move your head.

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Contents Meridian 565 Digital Surround Processor Preface Manufactured in the UK byContents Setting up sources TroubleshootingCalibrating the system Introduction IntroductionPlanning a system Three-channel surround system Layout G or L, No SurroundsIntroduction Introduction Using the 565 with Meridian DSP Loudspeakers Surround system with full-range speakers Layout LUsing a LaserDisc player Using an analogue preamplifierUsing a Digital Control Unit Planning sourcesSetting up the digital surround processor To position the digital surround processor Setting up the digital surround processorUnpacking Radio interferenceRear panel Connecting the digital surround processorSetting Video connectionsAudio inputs Audio outputsCommunications connections RS232 connectionConnecting video Setting up the digital surroundOn-screen display Connecting speakers To connect to Meridian DSP Loudspeakers eg DSP5000To connect to Meridian Active Loudspeakers Subwoofer Connecting sources To use the digital surround processor as a preamplifierTo connect to a 519 Demodulator To connect to a 562 or 562V Digital Control Unit Surr Analogue Tape OUT A4 in Audio Inputs Digital Optical Connecting to other Meridian equipment To connect to other Meridian 500 Series equipmentConfiguring the digital surround processor Choosing standard settings To select a standard settingProcessor Standard settings How to use the table of speaker layouts Configuring the digital surround processorSpecifying the speaker layout Small main speakers Speaker layouts To set the speaker layout To define the shape of the speaker layoutDigital surround Configuring the digital surround processor To set other configuration options To select a 5.1 LFE subwooferSetting up the speaker outputs To time-align the systemTo select the output type To set up a speaker outputTo change the settings for a speaker DigitalTo set the output delay To set up speaker protection for 5.1 sources To specify the output precisionDigital surround processor To specify the type of subwoofer Calibrating the system Calibrating the systemUsing the calibration procedure Using a Sound Pressure Level meterTo start the calibration procedure To exit from the calibration procedureTo move between the calibration tests Calibration tests LevelsMain Centre Phase Front-Rear Surround Sides Subwoofers Other subwoofers LRSADC Check What next?System Test signals To select a different test signalTo test for room vibrations Setting up sources Setting up sourcesStandard source settings DTS THX Mpeg THXTo configure a source To change an optionOption Initial value Alternative values Explanation MPEG, Mpeg THX Examples of configuring the sources To use a source key to change DSP presetTo change a source label To set up a system with two Meridian CD players Setting up sources Troubleshooting TroubleshootingRemote not working General operating problemsStandby point not lit Communications not working with other Meridian productsPoor sound quality Audio problemsHum on analogue input There is radio interferenceAudible hiss at high volume settings Crackling on optical inputsThere is a hiss when starting DTS LaserDiscs Sound not clearCentre not working Video problems TV does not work using Poor picture qualityIndex IndexLayouts Optical Types
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565 specifications

The Meridian Audio 565 is a landmark in the realm of high-fidelity audio processing. Launched as a digital surround sound processor, it has captivated audiophiles and home theater enthusiasts with its innovative technology and exceptional sound quality. The 565 serves as a definitive solution for those looking to enhance their audio experience, boasting a range of features that solidify its status in the industry.

One of the main features of the 565 is its advanced digital signal processing capabilities. It utilizes Meridian’s proprietary Apodizing filter technology, which significantly improves frequency response and effectively reduces time-domain distortion. This technology enables precise sound reproduction, allowing listeners to experience their favorite music and movies as intended by the creators.

The Meridian 565 is equipped with multiple inputs and outputs, supporting various audio formats. It features both balanced and unbalanced audio connections, ensuring compatibility with a wide range of audio equipment. This flexibility allows users to seamlessly integrate the 565 into their existing audio systems, whether they are aiming for stereo or surround sound configurations. The device supports multi-channel audio formats, giving users the opportunity to experience immersive soundscapes.

Another noteworthy characteristic of the 565 is its user-friendly interface. It comes with a well-organized remote control and an intuitive on-screen display that simplify the process of configuring and operating the device. Users can easily adjust settings, switch between different input sources, or fine-tune audio parameters to suit their personal preferences.

The build quality of the Meridian 565 is also commendable. Typically housed in a robust chassis, the device is designed to minimize interference from external electromagnetic sources, thus preserving audio integrity. This attention to detail in construction reiterates Meridian’s commitment to delivering high-performance audio solutions.

In conclusion, the Meridian Audio 565 is an exceptional digital surround sound processor that combines advanced technology with user-friendly features. Its unique technologies, such as Apodizing filtering, flexible connectivity options, and robust build quality, make it a top choice for audiophiles and home theater enthusiasts alike. Whether for casual listening or an immersive cinematic experience, the 565 stands as a testament to Meridian's dedication to excellence in audio engineering.
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