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Meridian Audio G61 manual D S P p r e s e t s, Ambisonics, Using dynamic range control

Models: G61

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D S P p r e s e t s

Ambisonics

The Ambisonics preset allows you to decode multi-channel sources which have been encoded in Ambisonics B format.

Ambisonics B format contains four independent channels of information to give a three-axis representation of the sound at the recording position. The signals are: mono sound pressure, left-right velocity component, front-back velocity component, and up-down velocity component.

Using dynamic range control

If the input format is Dolby Digital, the 5.1 Movie DSP presets provide an additional Compress parameter to allow you to take advantage of the dynamic range information provided in the Dolby Digital format to provide dynamic range control without the distortion involved in analogue methods.

Page 47

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Meridian Audio G61 manual D S P p r e s e t s, Ambisonics, Using dynamic range control

Contents

I N S T A L L A T I O N G U I D E M E R I D I A N G S E R I E SG61 Digital Surround Controller Installation GuideRadio interference Safety warningsTo avoid overheating To avoid interferenceContents i P r e f a c e Copyright and acknowledgementsSales and service in the UK Sales and service in the USA1 I n t r o d u c t i o n IntroductionInputs 2 I n t r o d u c t i o n 3 I n t r o d u c t i o n Specifications4 I n t r o d u c t i o n Unpacking Installing the digital surround controllerd i g i t a l s u r r o u n d c o n t r o l l e r Audio inputs6 I n s t a l l i n g t h e 46 TUNER 7 I n s t a l l i n g t h ed i g i t a l s u r r o u n d c o n t r o l l e r BIT #$ 0LAYER3!#$$6$ ! PLAYER 8 I n s t a l l i n g t h ed i g i t a l s u r r o u n d c o n t r o l l e r d i g i t a l s u r r o u n d c o n t r o l l e r Audio outputs9 I n s t a l l i n g t h e 3 PATCH BOX 1 I n s t a l l i n g t h ed i g i t a l s u r r o u n d c o n t r o l l e r $30#$IGITALI3URROUND #ONTROLLER 1 I n s t a l l i n g t h ed i g i t a l s u r r o u n d c o n t r o l l e r Use RZ and LZ if you have two subwoofers 1 I n s t a l l i n g t h ed i g i t a l s u r r o u n d c o n t r o l l e r 3UBWOOFER $IGITALI3URROUND #ONTROLLERd i g i t a l s u r r o u n d c o n t r o l l e r Communications connections1 I n s t a l l i n g t h e 1 I n s t a l l i n g t h e Switch all the units to standbyNot Con AutoConfiguration Wizard Configuring the digital surround controllerType Stage 1 Resetting the product1 Reset settings Reset all settings?Music Sub TypesType SpeakersEither Stage 2 Configuring speakers2 Select speakers EitherDescription Speaker optionsOption Valuesin use Stage 3 Configuring sources3 Configure sources RadioSource options Either Stage 4 Configuring other settings4 Other settings used as necessarySettings Page Introduction Using a Sound Pressure Level meterCalibrating the system Either Left Level +0.0dBWizard complete 2 C a l i b r a t i n g t h e s y s t e mLeft Level +0.0dB Calibration testsLevels DistanceLeft Fine tuningPhase Left DistanceC a l i b r a t i n g t h e s y s t e m Speaker sizeSizes set to zero Left SizeCD Xover 85Hz Using the Sine/Sub/Sens controlsSinewave sweep test Subwoofer crossover frequencyPause CD Sine 80.0Hz88.5Hz 81.5HzDVD Not Analogue Setting up sources1.4V Peak TV 2.0V Clip3 D S P p r e s e t s DSP presetsDSP presets Parameter Standard parametersDefault 3 D S P p r e s e t sMusic DSP presets for two-channelmaterialMusic and Trifield DSP preset parameters 3 D S P p r e s e t sSuper Ambisonics and Super DSP preset parameters3 D S P p r e s e t s AmbisonicsMusicLogic 3 D S P p r e s e t sPLIIx Movie and PLIIx THX PLIIx Movie and PLIIx THX DSP preset parameters3 D S P p r e s e t s Stereo and DirectTV Logic 3 D S P p r e s e t s4 D S P p r e s e t s DSP presets for multichannel material4 D S P p r e s e t s THX DSP preset parametersAmbisonics Using dynamic range control4 D S P p r e s e t s 4 D S P p r e s e t s Defining your own presetsTo save the preset settings 4 D S P p r e s e t s To clear a user-definedpresetStored 4 Tr o u b l e s h o o t i n g TroubleshootingGeneral operating problems Unit is overheating Audio problems4 Tr o u b l e s h o o t i n g Remote not workingSound not clear Audible hiss at high volume settingsConfiguration Program Guide 4 Tr o u b l e s h o o t i n gsource 4 Tr o u b l e s h o o t i n g4 Tr o u b l e s h o o t i n g MaintenanceCleaning 5 Tr o u b l e s h o o t i n g Service and guaranteeService GuaranteeI n d e Index5 I n d e 5 I n d e 5 I n d e