dbx Pro 480 Midi SysEx, Sysex Procedure and Data, Sysex Message End byte, Sysex Procedures

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Appendix A

DriveRack™

A.1 MIDI SysEx

A.1.1 SYSEX MESSAGE FORMAT

SYSEX HEADER (SYS_HEAD

F0(h) System Exclusive 'Begin Message' byte 00(h)

01(h) Manufacturer's ID Number (dbx) 1E(h)

00(h) - 7F(h) Device ID (7F(h) means “everyone listen”)

On(h) or 7F(h) Product ID (each product has a unique ID - DriveRack ID is 03(h)

SYSEX Procedure and Data

pp

pp= Procedure number. The different procedure's names and general formats are described in the Procedures Section.

dd(1)1, dd(1)2

dd(n)1, dd(n)2

dd= Data as needed by procedures. Since the standard MMA MIDI Specification reserves 80(h) through FF(h) (decimal numbers 128 through 255) for specific commands, a split byte format is adopted for all data communication in this SYSEX implementation. dd(n)2 denotes the 1st through 7th bits of the nth byte and dd(n)1 denotes th 8th bit of the nth byte. Note: All data that is requested or received, is in split byte format unless noted otherwise.

SYSEX “Message End” byte

F7(h) System Exclusive 'End Message' byte

A.1.2 SYSEX Procedures

In the following section, SYS_HEAD refers to a valid System Exclusive header. The System Exclusive header starts with the System Exclusive status byte, and includes all bytes through the dbx Product ID. F7(h) is the System Exclusive 'Message End' byte. All SYSEX numbers in the format definition of each procedure are given as hexadecimal values, along with this symbol (h) for clarification. Binary numbers are identified with this symbol (b).

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DriveRack™ User Manual

 

 

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Contents 480 Important Safety Instructions Declaration Conformity Table of Contents DriveRackDriveRack Intro Defining the DriveRack System DriveRack featuresIntroductionDriveRack 480R DriveRack features DriveRackIntroductionService Contact Info WarrantySection IntroductionSection Getting Started Rear Panel ConnectionsLCD Display Front PanelInputs Function ButtonsThreshold Meters Power SwitchInput Meters Output MetersProgram Up and Down Outputs 1-8 Euroblock ConnectorsGround Lift Switch Program DisplayRemote LED PC LEDRS485 Control Thru Bus DB-9 connector type Program Up and Down Functions FX Button Array Overview Editing FunctionsBasic Navigation Modes DriveRack Parameter Knobs Horizontal-Vertical Navigation Mode Parameter Knob Encoders Coarse/Fine OperationDriveRack Navigating the EQ SectionsNavigating the Xover Navigating the RTA Navigating the Delay Navigating the Dynamics Section Navigating the Other Section Navigating the Utility Section Configuration Navigating Factory Programs Configuring the DriveRackProgram Definition Selecting ProgramsNavigation Modes Editing Factory Programs Saving Factory Programs ChangesDriveRack Creating a User Configuration Input RoutingNotch Filter Delay SectionPre Crossover EQ CrossoverLinking Modules Driver Alignment DelayOutput Routing and Phase Compensation Selecting and Moving Crossovers Saving Configuration Changes Detailed Pre-Crossover EQ Detailed ParametersInput Routing SHOW/HOUSE 31 Band Graphic EQ S or H EQ On/Off Boom -6dB to 6dBZizz -6dB to 6dB Parametric EQ P EQ On/OffLevel 1 -12 to 12 dB Band 1 Frequency 20 to 20kHz Low ShelfSlope 1 3-12dB/Octave Band 2-8 Frequency 20 to 20kPre Crossover Delay DLY Notch Filters NFilter Type 2 Wire, Lowpass, Highpass and Bandpass Filter Type Wire, Lowpass, Highpass and BandpassFilter Type 1 Wire, Lowpass, Highpass and Bandpass Lowpass 20Hz to 20kHzHigh Slope 2 6-24dB/Octave Highpass 2 20Hz to 20kHzLow Slope 2 6-24dB/Octave Low Fc 20Hz to 20kHzCenter Fc 2 20Hz to 20kHz High Slope 1 6-24dB/Octave BW, Bessel 12-48dB/Octave L-RLow Fc 2 20Hz to 20kHz High Fc 2 20Hz to 20kHzPost-CROSSOVER PEQ EQ Compressor/Limiter DYN Ratio 1.0 to Inf1 Speaker Alignment Delay DLYThreshold -40 to +20dBu Gain -20 to +20 dBLevel/Shift On/Off Phase Off, 0 toOutput Routing Level Inf, -9.5 to 20.0dBProgram Storing Changes Saving Program ChangesDriveRack Saving Configuration Changes Utilities Security Levels UtilitiesNetwork ID Security Passwords Entering Security Password Program List Program Change Mode Contrast Adjustment PC Comm ModeMidi Program Dumps Power Up Mutes On/SavedMidi Channels Program DumpsSysex Dump Setup Sysex IDMic Pre Set up Redundancy Enable Cue AFLFunctions Network Functions Network OverviewNetwork Connections Specs Recommended Cable SpecificationsConnectors Cable LengthsNetwork Connections Applications Backbone ConnectionsConnection to the 480R Connection to the GUI Interface Termination Setting Identification Numbers Master/Slave AssignmentsMaster/Slave Assignments cont’d Controlling Remote UnitsDriveRack Redundancy Replacing UnitsNetwork Trouble Shooting PC GUI Installation System RequirementsBasic Venue View DriveRack DriveRack 480R 480R Remote Controller Rear Panel Connections 480RSection Front Panel 480RRear Panel Connections 480P Front Panel 480P Using the RTA Hot Key Assignments Controlling Slave DevicesDriveRack Guide Hardware Application Guide4-Way Front of House SoftwareDriveRack C-R + Sub + Rear BiAmp & In-Ear DriveRack Dedicated FOH CrossoverStand Alone Monitor EQ DriveRackAppendix Midi SysEx Sysex Procedure and DataSysex Procedures Sysex Message End byteReceive One Program 42h Sysex Setup Dump SampleProcedure Receive Bulk Dump 48hProgram Transmit Count...Lo Bytes, Hi Bytes Program Dump VersionProgram Bank and Program Number Sysex EndFactory Reset Power Up Quick Key OptionsFlash Downloads Toggle RS-232/MIDISpecifications DriveRackAppendix aSpecifications 481 DriveRack Per input channel not to exceed 10 for all input channels Specifications 482 DriveRack Specifications 480R Remote Controller DriveRack Crossover Diagrams DriveRack101 3X3 1-band 103 4X8 2-band Gain Level Jumpers Input and Output Diagrams Pinking a Room Wire Diagrams Harman International Company

480 specifications

The dbx Pro 480 is a professional-grade dynamics processor renowned for its versatility and exceptional performance in various audio applications. Designed for both live sound and studio environments, the dbx Pro 480 stands out as an essential tool for sound engineers and musicians alike.

One of the main features of the dbx Pro 480 is its dual-channel operation, which allows users to process two audio signals simultaneously. This functionality makes it particularly advantageous for stereo mixes, providing the ability to manage dynamics across left and right channels cohesively. The unit employs patented dbx OverEasy compression technology. This unique approach to compression allows for smooth transitions between compression and limiting, preventing abrupt changes in audio levels that can disrupt the listening experience. The result is a more musical sound, making it ideal for vocals, instruments, and other dynamic sources.

Additionally, the dbx Pro 480 boasts comprehensive control options, including adjustable ratio, threshold, attack, and release parameters. This level of control enables users to tailor the dynamics processing to fit specific audio material, whether subtle shaping or more aggressive control is required. The inclusion of a high-pass filter on the sidechain input further enhances its versatility, allowing for frequency-dependent dynamics processing that can be particularly useful in managing low-end rumble or controlling sibilance in vocals.

Another notable characteristic of the dbx Pro 480 is its robust build quality, designed to withstand the rigors of both studio and live environments. The device features a rugged metal chassis that protects its internal components while providing reliable performance under various conditions. Additionally, high-quality XLR inputs and outputs ensure that audio signals remain clean and free of interference.

In terms of connectivity, the dbx Pro 480 is equipped with balanced connections to minimize noise and signal degradation, making it suitable for professional setups. Its intuitive front-panel interface includes LED metering for easy monitoring of input and output levels, facilitating prompt adjustments on the fly.

In conclusion, the dbx Pro 480 is a powerful dynamics processor that blends advanced technology with user-friendly features. Its dual-channel processing, unique compression algorithms, and robust build quality make it a top choice for audio professionals seeking to enhance their sound with precision and control. Whether in a recording studio or a live performance setting, the dbx Pro 480 continues to be an invaluable asset in the audio processing landscape.
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