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SpinCAD Designer
  • Welcome to SpinCAD Designer!
  • Tutorials
    • Getting Started
    • The User Interface
    • Creating a patch
  • Menus
    • File
    • Edit
    • Loop
  • Blocks
    • I/O Mix
    • Wave Shaper
    • Dynamics
      • RMS Lim/Exp
    • Controls
      • Introduction to control signals and blocks
      • Two-stage
      • Invert, Power, Two-Stage, and Vee
      • Ratio
      • Scale/Offset
      • Clip and Tremolizer
      • Envelope
      • Slicer and Smoother
      • Tap Tempo
    • Pitch
      • The Pitch Offset Blocks
  • Design Concepts
    • Basic LFOs in SpinCAD Designer
    • Deep dive into the Three-Tap Delay block
      • Deep dive into the ThreeTap Delay, part 1
      • Deep dive into the ThreeTap delay, part 2
      • Deep dive into the ThreeTap Delay, part 3
    • Analyzing the Spin auto-wah peak detector
      • The Spin auto-wah peak detector, part I
      • The Spin auto-wah peak detector, part II
      • The Spin auto-wah peak detector, part III
    • Intro to the "Dattorro" reverb structure
    • Analyzing the Spin Mini Reverb
      • Analyzing the Spin "Mini Reverb" part 1
      • Analyzing the Spin "Mini Reverb" part 2
      • Analyzing the Spin "Mini Reverb" part 3
  • Patches
    • Making a tremolo patch
    • Making a vibrato/chorus patch
    • Making a pitch shifting delay
    • Multi-head "drum/tape" delay
    • 4-phase LFO driven mixer
  • Tips and Tricks
    • Editing tips for fast patch creation
    • Programming the FV-1 EEPROM with your code
    • Optimizing FV-1 assembly code generated by SpinCAD Designer
  • Beneath the Hood
    • How SpinCAD Builder works
    • Analyzing a simple SpinCAD Builder file
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On this page
  • Input and Output
  • Volume
  • Gain Boost
  • Phase Invert
  • Crossfade
  • Crossfade 2
  • Crossfade 3
  • Panner
  • 2:1 Mixer
  • 2:1 (x2) Mixer
  • 3:1 Mixer
  • 4:1 Mixer
  1. Blocks

I/O Mix

Ins and outs, gain adjustments, mixers, panners...

PreviousLoopNextWave Shaper

Last updated 1 year ago

Input and Output

Every patch needs an output, and almost every patch needs an input. Drop in these blocks to start off your design. Here's a bypass.

The output block has a control panel.

Parameter
Description
Range

Input Gain 1

Multiplier for input 1

-24.0 -> 0.0 dB

Input Gain 2

Multiplier for input 2

-24.0 -> 0.0 dB

Mono

Sums input 1 and input 2

on/off

Offset

Don't use it

leave it off

Volume

Provides a multiplicative control over a single signal. Can be used for audio or control signals.

Parameter
Description
Range

Input gain

Multiplies the input value

-24.0 -> 0.0 dB

Gain Boost

Provides a multiplicative boost in 6 dB steps for a single signal. Can be used for audio or control signals.

Parameter
Description
Range

Gain

Multiplies the input value

6 dB to 48 dB in 6 dB steps

Phase Invert

Multiplies the input signal by -1.0, inverting its phase.

Crossfade

Parameter
Description
Range

Input 1 Gain

Multiplier for input 1

-12.0 -> 0.0 dB

Input 2 Gain

Multiplier for input 2

-12.0 -> 0.0 dB

Crossfade 2

Implements a 2-segment gain curve as shown. This results in a +6 dB boost when the control value is 0.5.

Crossfade 3

This implements another 2-segment curve, which should give 0 dB combined gain in the middle. There will be some deviation from optimum in other areas of the curve. This one requires the most instructions of the Crossfades.

Panner

Takes a single input and pans it between two outputs using a linear curve.

Parameter
Description
Range

Input Gain

Input multiplier

-12.0 -> 0.0 dB by 1.0 dB

2:1 Mixer

Mixes two signals together to a single output. Input gain controls for each input are available in the control panel. The input signal is multiplied by the control value if the control input is connected. It is not necessary to connect the control inputs.

Parameter
Description
Range

Input Gain 1

Multiplier for input 1

-18.0 -> 0.0 dB in 1 dB steps

Input Gain 2

Multiplier for input 2

-18.0 -> 0.0 dB in 1 dB steps

2:1 (x2) Mixer

This puts two 2:1 Mixers into a single block, just for convenience.

3:1 Mixer

Just like the 2:1 mixer except with 3 inputs and 3 control inputs.

4:1 Mixer

Just like the 2:1 mixer except with 4 inputs and 4 control inputs.

Implements a linear fade between 0 and 1 on one side and 1 to 0 on the other side. Generally speaking this results in a -6 dB dip at the center point, but it's quite efficient in terms of instructions. It is based on at Spin's Knowledge Base. Using the control panel, you can add a gain reduction factor at the input if you like.

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Control Panel
Control panel
Control Panel
Control Panel
Control panel