Meridian America Meridian 518 manual 0Hz 5kHz 10kHz 15kHz 20kHz

Page 45

Appendix 1 – Noise Shapes

45

 

 

 

40dB

 

 

 

 

 

 

30dB

 

 

 

 

 

Spectrum

20dB

 

 

 

 

 

10dB

 

 

 

 

 

0dB

 

 

 

 

 

Noise

 

 

 

 

 

-10dB

 

 

 

 

 

 

 

 

 

 

 

 

-20dB

 

 

 

 

 

 

-30dB

 

 

 

 

 

 

0Hz

5kHz

10kHz

15kHz

20kHz

25kHz

Above: noise spectrum of shape D at 44.1kHz.

Above: noise spectrum of shape E at 44.1kHz.

518 User Guide

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Contents 1992, 1993 Contents Simple rules for using Appendix 4 -Resolution EnhancementAppendix 2 Hints on Mastering Sales and service in the USA Sales and service in the UKDesigned & manufactured in the UK by AcknowledgementsAbout this manual IntroductionAbout the 500 Series Conventions used in this manualGeneral precautions Installing yourUnpacking ConnectionsWhats inside a 518? Planning setupOverview as Preamp Type What else do I need to know? What about analogue sources?Overview as Resolution Enhancement Processor Type CD or LaserDisc playback improvementMeridian DSP speaker improvement Meridian Surround improvement Overview as Multimedia Processor Type Overview as Mastering Processor Type∙ Normal ∙ Standby ∙ Type ∙ Config Customising featuresStarting off with Switching onBasic operation StandbyOperating 518 as a Control Unit Type Adjusting the volumeSelecting a source OutFlat DitherShape a Shape BDisplay Advanced operation using the Remote Control Volume control Operating 518 as Resolution Enhancer TypeMuting the sound Menu KeysWith the Remote Control Operation summaryMemory Config an overview Restoring default settingsConfig control settings Customising 518, an overviewCustomising, general procedure How to customiseConfig sources and inputs How to change to Type or ConfigHow to change back to Normal Customising using TypeMaking changes to an existing setup Setting Type ControllerHow to use Config Customising using ConfigConfig Selecting TypesSetting the system address for Selecting the controller modeSetting the product address for Setting the Standby mode forSetting the Emphasis option for Setting the Blank display option forSetting the Volume mode for Setting the Volume displaySetting up sources Choosing source logosVol. dB Changing the input for a source Choosing the Comms type for a source productChoosing the address of a source product Digital audio connections ConnectionsDigital input connections Digital output connectionCommunications connections Connecting to Meridian Digital speakersTo connect to other Meridian 500 Series equipment ConMastering Processor PartAs a Mastering or Multimedia Processor Type DescriptionMeridian 500 Comms warning D1 +2ShpB +2 Emph +2Making Recordings Transfer to the final carrier Transfer to editorShaper Advantage 44.1kHz 48kHz Normal Pre-emphasis Noise shaper characteristicsTransparency in digital systems Operating BackgroundDigital Audio and Quantisation DitherNoise Shaping with dither Dynamic RangePre and De-emphasis Step-down in sample word size Simple rules for usingNo change in sample size Step up in dynamic rangeAdditional technical information SpecificationHelp Maintenance & Service CleaningNoise Part Appendix 1 Noise ShapesAbove noise spectrum for Shape B at 44.1kHz 0Hz 5kHz 10kHz 15kHz 20kHz Audible results of digital errors and editing Vulnerability of the signalAppendix 2 Hints on Mastering with noise-shaping Requirements for D/A conversionAppendix 2 Hints on Mastering Appendix 3 RS232 Handset FunctionsGoTo Functions Jitter and de-jittering Appendix 4 -Resolution EnhancementFrequency Dynamic-rangeDynamic-range optimisation with Pre-emphasis Dynamic-range optimisation with GainShowing CD pre- and de-emphasis curves Dynamic-range optimisation with Noise-shaped Dither DAC or channel enhancement by word-length matching DAC enhancement by using high-frequency ditherIndex ContentsIndex User Guide User Guide