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TC-Helicon Vocal Technologies

www.tc-helicon.com

TC-IVL Ventures Inc.

TC-Helicon VoiceOne MIDI System Exclusive Control

Note: All numerical values will appear in HEXADECIMAL notation unless otherwise indicated:

0xF0 = F0h = F0 – The latter value is the expression of the hex numeral used.

Decimal equivalents will appear in brackets after their hex counterparts:

0xF0 = F0h = F0 = (240)

0x64 = 64h = 64 = (100)

General message format:

F0 MIDI System exclusive message start

00 3 byte manufactors ID for TC-Helicon

01 ...

38 ...

<Device ID> System exclusive device ID (user parameter)

4B VoiceOne model ID

<Message ID> VoiceOne message type identifier (see table below)

<Data> Data – depends on message type (see format description.

below)

…

F7 MIDI System exclusive message terminator

Preset numbers

Preset numbers are represented in the SysEx messages as 2 bytes (14 bit value). The first byte

is the 7 most significant bits and the second is the 7 least significant bits. The preset numbers are

mapped as follows:

01 (1) to 64 (100) Factory bank

64 (101) to 96 (150) User bank

Preset number zero is the currently edited preset.

Examples:

Factory preset number 67(decimal) would be translated into bytes 00 (MSB) and 43 (LSB – 67 in

decimal).

User preset number 48 (decimal) would be translated into number 148 (decimal) = 1x128+20 and

would thus be represented as bytes 01 (MSB) and 14 (LSB – 20 in decimal)

Message data format

The format of the data used/needed in the different SysEx messages depends on the type of

message. Below are descriptions for each message type explaining data formatting.

Summary of content (7 pages)

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TC-IVL Ventures Inc. TC-Helicon VoiceOne MIDI System Exclusive Control Note: All numerical values will appear in HEXADECIMAL notation unless otherwise indicated: 0xF0 = F0h = F0 – The latter value is the expression of the hex numeral used.
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SysEx message type Identifier VoiceOne Request Preset VoiceOne Request Parameter VoiceOne Request Shift Map VoiceOne Preset Data VoiceOne Parameter Data VoiceOne Shift Map Data 45 47 51 20 22 31 VoiceOne Data Request messages Preset Request - 45: is 2 bytes representing the number of the preset requested. See above for description of preset number representation.
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manual for detailed description). For the purpose of storing and dumping, the 12 bytes are packed into 4 24-bit values each holding 3 bytes. When dumped/received these 24-bit values are packed according to the above mentioned scheme. Accidental attributes: These 4 bytes (representing a 24-bit value packed) define the display properties of the custom scale. Bits 0-11 (of the 24-bit value) define whether flats or sharps are used for every custom scale note.
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is 12 bytes. Each byte represents the shift mapping for the respective note in the chromatic scale. A value of 0 is equivalent to –24 semitones (down two octaves), 1A (26 in decimal) is equivalent to +2 semitones (up two semitones), 30 (48 in decimal) is equivalent to +24 semitones (up two octaves), and 36 (54 in decimal) is equivalent to N/C (no change). Consult the VoiceOne manual for a complete description of the Shift Map user parameter.
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Parameter Grouping and Listing Group name Correction (COR) Shifting (SHI) Inflection (INF) Vibrato (VIB) Spectral (SPE) Breath (BRE) Growl (GRO) Resonance (RES) System (SYS) Group ID 0 1 2 3 4 5 6 7 8 (The following numbers are in Decimal notation) Group, Parameter Name ID Min Max COR, Scale COR, Root COR, Window COR, Attack COR, Amount COR, Custom COR, Bypass SHI, Amount* SHI, Mode* SHI, Map SHI, PureShift SHI, Formnt SHI, Hybrid SHI, Bypass INF, Amount INF, Style INF, Retrig INF, Length INF, PitRnd INF,
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BRE, Harm’X BRE, Bypass GRO, Amount GRO, Style GRO, Bypass RES, Amount RES, Style RES, Tract RES, Bypass SYS, Input SYS, Output SYS, Clock SYS, LCut Filt SYS, LCut Thrsh SYS, Dither SYS, StatusBits SYS, Dig InGain SYS, Input Rng SYS, Output Rng SYS, Latency SYS, BypassMode SYS, MIDI Chan SYS, MIDIPchShf SYS, MIDIPchCor SYS, MIDIPchOut SYS, MIDI PrgCh SYS, Bend Range SYS, BreathCtrl SYS, GrowlCtrl SYS, VibCtrl SYS, Bulk Dump SYS, VMParmLock SYS, Footswitch SYS, SysEx ID SYS, Prg Bank SYS, Tuner Ref SYS, View
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