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Table of Contents
Related Manuals for Speak & Glitch GND-1T
Summary of Contents for Speak & Glitch GND-1T
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Page 2: Table Of Contents
Acknowledgements Special thanks to Joe Manton for ongoing discussion, suggestions, and enthusiatic encouragement, without which the GND-1T would not be what it is today. Also to Hideaki Shirato and Joe for their unique contributions to some of the custom drum kits,... -
Page 3: Key Features
KEY FEATURES scaling... -
Page 4: Controls Layout
Stereo 1/4” USB host P1-3 and [ALT] P1-3 USB midi and Post Filter Cutoff DC 9V Audio out (controllers) are 6 assignable* audio I/O ALT = Echo Volume center + parameter control encoders P1 controls DRIFT Master level out depth when DRIFT ALT = PF (synth) scaler XPress = Drums scaler is active... -
Page 5: Button+Encoder Summary
Show Param Show main Expression touch Touch Button Edit Screens Patch screen sensor (e.g Breath) & Main Encoder * On the main PATCH page XPress before includes ModHold* touch e ect during modhold RUN / STOP before XPress disables Summary touch e ect during modhold (tap**) Drum... -
Page 6: Quick Start
Via external MIDI these and yellow only internal. ALT+ tap XPress are accessed as 10 banks of 100 without RUN starts solo drums The GND-1T comes with a number of 5. Press RAND to randomize parameters factory presets to facilitate immediate (you can leave RUN on). -
Page 7: Essentials 1
(see page 17) * The GND-1T uses a resistive touchscreen that requires a slightly firmer touch if using the flat of your finger. For a lighter touch response, use more of your fingernail If any patch parameter (or one of its 5 XP matrix values) is manually adjusted, the parameter and its XP values are EXCLUDED* from further MORPH, DRIFT, RAND and MULTI-MOD effects. - Page 8 * The pop-up dialog shows the parameter(s) assigned to the encoder being turned for each GROUP. Changing GROUP cancels any pending excludes release Nearly all parameters in the GND-1T are patch specific, and are saved & recalled for each patch number. There are a small number...
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Page 9: Main Encoder
MAIN MAIN ENCODER allows patch selection, parameter value editing, and many other functions when combined with the metal touch buttons (see also page 5) ENCODER short click of the encoder on most pages nulls or restores the edited parameter. On the main PATCH page - turn the encoder with... -
Page 10: Overview & Modulation
AHDSR / ENV, LOOP, OSCENV, DRUMS, MFO and constant values. One of the mod-blocks is reserved for the XPLFO expression controller In addition, every parameter* in the GND-1T has five associated values in EXPRESSION (XP) MATRIX that determine how much the parameter is affected by MODWHEEL, VELOCITY, BREATH-CONTROL, AFTER- TOUCH, and XPLFO. -
Page 11: Morphing, Drifting, Scenes
One of the most powerful features of the GND-1T is its ability to MORPH complete parameter sets from one patch to another while the audio is playing. This can be done under full bidirectional CORE MANUAL control using the main encoder, or automated. -
Page 12: Osc Level, Env
CORE OSCGAIN parameter (PostFilt / OSC page) and optionally OSCENV (ENV page) modify the oscillator level before it goes into the speech FILTER. When OSCENV is “Off” PARAMS 3 the raw levels from ROM are scaled by OSCGAIN only. Set this to 64 for the original speech chip levels. -
Page 13: Drums
Unlike conventional drum programming, CORE the DRUM pages on the GND-1T act just like the other synth parameter pages with pots and switches to shape the rhythm sequences. Trigger sources include ROM update events, internal PARAMS 4 or external MIDI clocks, and audio signal timing. -
Page 14: Mix Structure
The output of the speech FILTER is summed with the AUX input before optionally being sent to CORE the OVERDRIVE* (0 = bypass). USB audio and DRUM PF mix signals can be added on the page. Together these signals form the input to the POST-FILTER and output amplitude ENV shaping stage. -
Page 15: Echo And Mini Looper
CORE ECHO effect in the GND-1T spans from a few tens of ms to about 2.5 seconds. ECHO Volume, Delay Time, Repeats, and input selector are adjusted on the MIX page. Delay Time can be MIDI clock synced using the clk Sync button on hte MIDI page (P20). -
Page 16: Main Patch Screen
^ (top right) indicates oscEnv mode invokes mod Freeze If the current state of the GND-1T contains MIDI clock dependent 1-5 (top left) shows the current P1-3 encoder assignment GROUP parameters “clk” shows in the top R corner (red if there is no active clk) -
Page 17: Alt Patch Screen
Hold ALT + click the main encoder to show [ALT] PATCH SAVE* and DELETE options: SAVE save current parameters to Patch delete current Patch [ALT] PATCH SAVE Globals save all Global Parameters Many of the buttons on the main Patch stop all audio SAVE Template save current Parameters as... -
Page 18: Morph Drift Params
PATCH page, set ENC XP mode to “Driftbuf” (see XP * Whenever the GND-1T morphs to a blank patch it temporarily mapping P35). Or to one of the three XPDBf modes step mode 64 = 50/50 (no swing) creates a new random target. -
Page 19: Multimod, Scenes, Keybd
The MULTI-MOD parameters simultaneously apply a bipolar offset to the Depth, Mix, W1 or W2 values in many of the modulation blocks in the GND-1T, or to the LFO rates (LFO1,2,SLFO,CLFO). They are saved along with the other Patch parameters, are... -
Page 20: Midi Setup
Access via PATCH page MIDI SET UP ALT+MIDI MIDI CLOCK PPQN SCALING ENABLES* for Tempo, LFO1+2, Loop length, and Drum rate GND-1T MIDI Rx CHANNEL (auto saved) use the main encoder to set the MIDI receive channel [ALT] MIDI Ch (global) toggles drmRX,... -
Page 21: Edit Index Screen
INDEX Most of the GND-1T patch parameters are available via 12 Parameter edit pages that are selectable from the index screen. From any page hold down the metal Param button to show the index page. From any edit page, tap Param to toggle between edit and index pages... -
Page 22: Pitch
The speech chip uses ROM based, time-varying pitch contours for each word/loop. These are scaled PITCH up or down by the GND-1T PITCH parameter. Set to values around 80 for the original speech chip pitch PITCH PITCH MOD MIX Main encoder steps in semitones mixes W1 and W2 pitch modulators. - Page 23 There are no preset drum patterns and more regular triggers stored in the GND-1T. All drum triggers * For “Run Drums only” mode, the PF input rather than output is used by D src, as the output is muted by the ENV...
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Page 24: Drum2 / Word
Hold ALT to show “MIDI KITS” button in the top left corner of this DRUM2 / WORD page, and press it to show the MIDI DRUM MAP page DRUM MOD W1 waveform select DRUM KIT MOD DEPTH INTERNAL DRUM KIT MOD-1 select W1 waveforms are derived from scales DTMIX waveform to switch active at medium kit mod levels... -
Page 25: Midi Drum Maps
MIDI Drum MAP 0 also defines the MIDI channel 10 Select whether to send drum triggers note values that can be received by the GND-1T internal to external MIDI devices, use to trigger the currently selected internal Drum Kit them to play the internal Drum Kits sounds. -
Page 26: Mfo
OFFSET The MFO (mid freq osc) spans subsonic to moderate audio rates. offsets the MFO modulator so it can produce In addition to its use for amplitude modulation and ring-modulation, bipolar modulation. Set to max for ring- it can be used to modulate pitch and speech filters, producing unique modulation and 0 for unipolar AM modulation effects and timbres MFO RATE... -
Page 27: Bend
BEND1 GLITCH This parameter is the equivalent of having a large number of “bend switches” in classic hardware circuit bending. Use in conjunction with the INIT and GRAVITY RANDOM WORD commands on the DRUM2 / WORD binds data from the speech ROM to page to hear the familiar “nonsense”... -
Page 28: Bend2 Xplfo
BEND2 WARP BENDS MOD MIX Unique audio band self-modulation mixes W1 and W2 bend modulators. XPlfo that causes frequency warping and 0=W1,127=W2, 64 = 50/50 distortion. Adopted from a custom bend developed initially on hardware ERODE corrupts individual bits in the Speak &... -
Page 29: Loop Stereo
LOOP LENGTH MOD DEPTH randomizes loop ROM address and turns off speak modes Loop length modulation wavefroms are inverted in the GND-1T so that higher waveform values produce shorter (faster) loops. [ALT] Restore LOOP For this reason the DC=1 mod waveform doesn’t change the loop. -
Page 30: Lfo / Tempo
LFO / TEMPO LFO1 LOOP / DRUM SYNC LOOP: LFO1 rate is a scaled version of the estimated (variable) Loop rate. Rate limited for very short loops. Only effective if For MIDI clocked control see P38 LFO1 RATE “LPmod+” is off (LOOP page) led shows rate DRUM: MIDI clocked LFO2 is DRUM Dsrc0 clk synced... -
Page 31: Env
Full AHDSR ENV triggers are activated by MIDI Note-On events. And also by LFOs, SLFO1, CLFO1, LOOP-start and RUN activation if the corresponding trigger enable at the bottom of this screen is on RELEASE TIME If RUN is started without any active trigger applies to all ENV events source, a modified ENV is generated that... -
Page 32: Filter
FILTER The speech chip uses specific sequences of multi-resonance speech filter settings to create each word. The GND-1T FILTER parameter shifts those filter frequencies and resonances FILTER sets the amount the speech FILTER MOD MIX filter frequencies and resonances mixes W1 and W2 filter modulators. -
Page 33: Post Filter / Osc
POSTFILT The POST-FILTER follows after the speech FILTER output is summed with the AUX input, and OverDrive is optionally applied. USB audio and Drums can also be added to the POST- FILTER input (MIX page), as can echo-loops when ECHOFREEZE is on (see page 15) POST-FILTER MOD MIX POST-FILTER mixes W1 and W2 filter modulators. -
Page 34: Mix Echo
ECHO DRUM OUTPUT VELOCITY VARIATION USB AUDIO sets amount of ‘Note-On velocity variation’ INPUT LEVEL appled to the drum trigger signals * Global parameter affecting all patches. Save using SAVE GLOBALS on the main Patch page POST-FILTER OUT VOLUME for analog USB AUDIO INPUT POST-FILTER MIX and USB audio out. -
Page 35: Expression Mapping
Touch any controller pot to set the strength of its effect on the parameter being mapped (-127 to +127). All five XP values for every patch parameter in the GND-1T are saved and recalled with the patch. XPRESS + hold main... -
Page 36: Modulation Waveforms
Modblock W1 / W2 waveforms Additional descriptions of OSCW and MFO waveforms, and internal drum kits, are available in the GND-1T MIDI reference LFO 1/2 rate waveforms* SLFO and CFO 1/2 rate waveforms* Loop rate waveforms triangle SLFOx slow triangle... -
Page 37: Trouble Shooting
Check D>PF settings. If drums are fully Panic Stop (ALT + screen Patch # button). be sure to send all 6 blocks to avoid the GND-1T mixed to PF, no direct drum sounds will This can be avoided by using a small unpowered... -
Page 38: V2.0 Midi Clocks
V2.0 MIDI clocks The firmware update associated with V2.0 of this user manual (and MIDI reference) provides improved ability of the GND-1T to sync processes both within, and external to the GND-1T, by using MIDI clocks. In addition to the previous ability to scale... - Page 39 Direct clock sync of the Tempo parameter causes slower ROM update rates than usual in the GND-1T because MIDI clocks are very slow compared to the internal unclocked rates often used by the 1T (especially with intelligible speech). ). A clocked Tempo value of 100 causes ROM updates to occur every 4 MIDI clocks.
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