Lexicon PCM92 manual Algorithms

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The Algorithms

Chamber (Stereo and Mono)

Chamber is a complex miniature-space effect resembling an echo chamber at its smaller settings and, at its larger ones, a small performance space with a more rapid build-up of reflection density than a hall. Reverberant tails are randomized.

Random Delay (Stereo and Mono)

Random Delays provide no-holds-barred control over delays. These algo- rithms feature one delay line per input channel. Each delay line has two out- puts, called “voices.” Each voice has independent delay time (up to and over 9 seconds, plus an additional second provided by the randomizers described in the next paragraph), output level, feedback control, filtering (independent filters for feedback and output), and panning. Random Delays have the same diffusion controls as Dual Delays.

In addition to this basic voice architecture, Random Delays feature four randomizers that provide up to one second of additional delay time for each voice. Voices can be assigned to either randomizer, or to no randomizer at all.

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Contents Page Important Safety Instructions Declaration of Conformity Warranty Overview of TCP/IP Basics Midi SysEx Implementation Introduction Page Front Panel Load BackRear Panel Power JackEthernet Input AES/EBU In/OutPage Using the PCM92 1Single Stereo Config1SinglConcertHallStereo-FlaCongefig4896 To select a different category Category Selection Screen System Presets1ConcertHall-Flange 0Med Hall Save As Single Stereo Config Page DSP Configurations Networking Subnet Mask 255.255.0.0 Gateway Dhcp Support EnabledDhcp Network Considerations and Limitations System Menu Audio SourceClock Source Analog Setup AES SetupClock Rate Base Channel Device IDMachine Bank DumpTempo Source Machine MenuWet Dry Mix Input LevelUsing Midi Soft Row Parameter Channel Usage DescriptionByte Definition Comments Bank Presets Bank #0xF0 Sysex message 0x06 Page Algorithms Hall Stereo and Mono Random Hall Stereo and Mono Resonant Chords Stereo and Mono Chorus/Flange Stereo only Page Bandwidth ParametersBass Boost Room Bass Crossover BassXOverDelay Level Master Delay Feedback MasterDelay Time Echo Delay Delay Time MasterFeedback Diffusion Master Echo DelayFeedback Level Feedback PanReflection Delay Delay Time Master Reflection Delay Reflection Time MasterMidRT Mix Wet Dry MixReverb PreDelay Predelay Resonance Tuning MasterResonance Master Resonator DetuneSignal Frequency Signal Event FreqRtHC Damping ScaleSpread Early Spread Signal TypeTail Width Tap SlopeWet Dry Mix TypePCM92 Menu Navigation Map System View and Machine View PCM92 Menu Navigation Map Stereo Hall Algorithms PCM92 Menu Navigation Map Stereo chamber and room Algorithms PCM92 Menu Navigation Map Stereo Delay Algorithms PCM92 Menu Navigation Map Stereo Effects Algorithms PCM92 Menu Navigation Map Mono Hall Algorithms  Menu Navigation Map Mono Chamber and room Algorithms Menu Navigation Map Mono Delay Algorithms Menu Navigation Map Mono Effects AlgorithmsPage 44.1 kHz 48 kHz 88.2 kHz 96 kHz PCM92 Specifications44.1K/88.2K Storage MediaFCC Midi Implementation Chart Page PCM92