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Csound 7 Manual

Butbr

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Csound 7 Manual

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Introduction
Introduction
- What's New in Csound 7
- Historical
  Historical
  - Historical Preface
  - History of the Manual
- Nomenclature
- Copyright Notice
- Links and Front Ends
Csound System
Csound System
- How Csound Works
- Configuring
- Real-Time Audio
  Real-Time Audio
- The `csound` Command
- The `.csd` File Format
- Csound Options
  Csound Options
- Order of Precedence
- Environment Variables
- Tables and Guard Points
- UDP Server
- Syntax of the Orchestra
  Syntax of the Orchestra
- Syntax of the Score
  Syntax of the Score
Overview
Overview
- Opcodes Categories
  Opcodes Categories
  - Signal Generators
    Signal Generators
    
    Additive Synthesis/Resynthesis
    
    Basic Oscillators
    
    Dynamic Spectrum Oscillators
    
    FM Synthesis
    
    Granular Synthesis
    
    Hyper Vectorial Synthesis
    
    Linear and Exponential Generators
    
    Envelope Generators
    
    Models and Emulations
    
    Phasors
    
    Random (Noise) Generators
    
    Sample Playback and Soundfonts
    
    Scanned Synthesis
    
    Table Access
    
    Wave Terrain Synthesis
    
    Waveguide Physical Modeling
  - Signal Input and Output
    Signal Input and Output
    
    File Input and Output
    
    Signal Input
    
    Signal Output
    
    Software Bus
    
    Printing and Display
    
    Sound Files Queries
  - Signal Modifiers
    Signal Modifiers
    
    Amplitude Modifiers and Dynamic processing
    
    Convolution and Morphing
    
    Delay
    
    Panning and Spatialization
    
    Reverberation
    
    Sample Level Operators
    
    Signal Limiters
    
    Special Effects
    
    Standard Filers
    
    Specialized Filters
    
    Waveguides
    
    Waveshaping and Phase Distortion
  - Instrument Control
    Instrument Control
    
    Clock Control
    
    Conditional Values
    
    Duration Control Statements
    
    Instrument Invocation
    
    Program Flow Control
    
    Realtime Performance Control
    
    Initialization and Reinitialization
    
    Sensing and Control
    
    Stacks
    
    Sub-instrument Control
    
    Time Reading
  - Function Table Control
    Function Table Control
    
    Function Table Control
    
    Table Queries
    
    Read/Write Operations
    
    Table Reading with Dynamic Selection
  - Mathematical Operations
    Mathematical Operations
    
    Amplitude Converters
    
    Arithmetic and Logic Operations
    
    Comparators and Accumulators
    
    Mathematical Functions
    
    Opcode Equivalents of Functions
    
    Random Functions
    
    Trigonometric Functions
    
    Linear Algebra Opcodes
    
    Array Opcodes
  - Pitch Converters
    Pitch Converters
    
    Functions
    
    Tuning Opcodes
  - Real-time MIDI Support
    Real-time MIDI Support
    
    Real-time MIDI Support
    
    MIDI input and Initialization
    
    MIDI Message Output
    
    Generic MIDI Input and Output
    
    Converters
    
    Event Extenders
    
    Note-on/Note-off Output
    
    MIDI/Score Interoperability opcodes
    
    System Realtime Messages
    
    Slider Banks
  - Spectral processing
    Spectral processing
    
    Spectral Processing
    
    Short-time Fourier Transform (STFT) Resynthesis
    
    Linear Predictive Coding (LPC) Resynthesis
    
    Non-standard Spectral Processing
    
    Tools for Real-time Spectral Processing (pvs opcodes)
    
    ATS Spectral Processing
    
    Array-based spectral opcodes
  - Strings
    Strings
    
    Strings
    
    String Manipulation Opcodes
    
    String Conversion Opcodes
  - Vectorial opcodes
    Vectorial opcodes
    
    Vectorial Opcodes
    
    Tables of vectors operators
    
    Operations Between a Vectorial and a Scalar Signal
    
    Operations Between two Vectorial Signals
    
    Vectorial Envelope Generators
    
    Limiting and Wrapping of Vectorial Control Signals
    
    Vectorial Control-rate Delay Paths
    
    Vectorial Random Signal Generators
  - Zak Patch System
    Zak Patch System
    
    Zak Patch System
  - OSC, Network and non-MIDI Devices
    OSC, Network and non-MIDI Devices
    
    OSC
    
    Network
    
    Remote Opcodes
    
    Non-MIDI Devices
  - Signal Flow Graph Opcodes
  - Mixer Opcodes
  - Miscellaneous Opcodes
- Score Statements
- GEN Routines
Reference
Reference
Utility Programs
Utility Programs
Index and Quick Reference
Index and Quick Reference
Appendices
Appendices

Table of contents

Syntax

butbr

Same as the butterbr opcode.

Syntax

ModernClassic

ares = butbr(asig, kfreq, kband [, iskip])

ares butbr asig, kfreq, kband [, iskip]

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