Meridian America Meridian 518 manual Above noise spectrum for Shape B at 44.1kHz

Page 44

Appendix 1 – Noise Shapes	44

	40dB
	30dB
Spectrum	20dB
	10dB

Noise	0dB
Noise	-10dB
	-10dB
	-20dB
	-30dB	5kHz	10kHz	15kHz	20kHz	25kHz
	0Hz	5kHz	10kHz	15kHz	20kHz	25kHz

Above: noise spectrum for Shape B at 44.1kHz

	30dB
	20dB
Spectrum	10dB
Spectrum	0dB
Noise	0dB
Noise	-10dB
	-10dB
	-20dB
	-30dB	5kHz	10kHz	15kHz	20kHz	25kHz
	0Hz	5kHz	10kHz	15kHz	20kHz	25kHz

Above: noise spectrum for Shape C at 44.1kHz

518 User Guide

Image 44

Contents 1992, 1993 Contents Appendix 2 Hints on Mastering Simple rules for usingAppendix 4 -Resolution Enhancement Sales and service in the UK Sales and service in the USADesigned & manufactured in the UK by AcknowledgementsIntroduction About this manualAbout the 500 Series Conventions used in this manualInstalling your General precautionsUnpacking ConnectionsPlanning setup Whats inside a 518?Overview as Preamp Type What about analogue sources? What else do I need to know?Meridian DSP speaker improvement Overview as Resolution Enhancement Processor TypeCD or LaserDisc playback improvement Meridian Surround improvement Overview as Mastering Processor Type Overview as Multimedia Processor TypeCustomising features ∙ Normal ∙ Standby ∙ Type ∙ ConfigSwitching on Starting off withBasic operation StandbyAdjusting the volume Operating 518 as a Control Unit TypeSelecting a source OutDither FlatShape a Shape BDisplay Advanced operation using the Remote Control Operating 518 as Resolution Enhancer Type Volume controlMuting the sound Menu KeysMemory With the Remote ControlOperation summary Restoring default settings Config an overviewConfig control settings Customising 518, an overviewHow to customise Customising, general procedureConfig sources and inputs How to change to Type or ConfigCustomising using Type How to change back to NormalMaking changes to an existing setup Setting Type ControllerCustomising using Config How to use ConfigConfig Selecting TypesSelecting the controller mode Setting the system address forSetting the product address for Setting the Standby mode forSetting the Blank display option for Setting the Emphasis option forSetting the Volume mode for Setting the Volume displayVol. dB Setting up sourcesChoosing source logos Choosing the address of a source product Changing the input for a sourceChoosing the Comms type for a source product Connections Digital audio connectionsDigital input connections Digital output connectionConnecting to Meridian Digital speakers Communications connectionsTo connect to other Meridian 500 Series equipment ConPart Mastering ProcessorDescription As a Mastering or Multimedia Processor TypeMeridian 500 Comms warning D1 +2Emph +2 ShpB +2Making Recordings Transfer to editor Transfer to the final carrierNoise shaper characteristics Shaper Advantage 44.1kHz 48kHz Normal Pre-emphasisOperating Background Transparency in digital systemsDigital Audio and Quantisation DitherPre and De-emphasis Noise Shaping with ditherDynamic Range Simple rules for using Step-down in sample word sizeNo change in sample size Step up in dynamic rangeSpecification Additional technical informationHelp Cleaning Maintenance & ServicePart Appendix 1 Noise Shapes NoiseAbove noise spectrum for Shape B at 44.1kHz 0Hz 5kHz 10kHz 15kHz 20kHz Vulnerability of the signal Audible results of digital errors and editingAppendix 2 Hints on Mastering with noise-shaping Requirements for D/A conversionAppendix 2 Hints on Mastering GoTo Functions Appendix 3 RS232Handset Functions Appendix 4 -Resolution Enhancement Jitter and de-jitteringDynamic-range FrequencyDynamic-range optimisation with Gain Dynamic-range optimisation with Pre-emphasisShowing CD pre- and de-emphasis curves Dynamic-range optimisation with Noise-shaped Dither DAC enhancement by using high-frequency dither DAC or channel enhancement by word-length matchingContents IndexIndex User Guide User Guide