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AUDIOWORX
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  • Documentation
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  • Release Notes
Harman Logo
AUDIOWORX
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  • Release Notes
  • Getting Started
  • User Guides
  • Developer Guides
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Table of Content

Audio Object Developers Guide

  1. Purpose of this Document
    1. Terms and Abbreviations
    2. Requirements
  2. Overview
    1. Audio Object Workflow
    2. Audio Object Class
  3. Audio Object Configuration
    1. Design Time Configuration
    2. Advanced Design Time Configuration
  4. Basic Features and APIs
    1. Constructor
    2. GetSize
    3. Init
    4. Calc
    5. TuneXTP
    6. Control
  5. Advanced Features and APIs
    1. Audio Object Additional Configuration
    2. Audio Object Sub Blocks
    3. Audio Object AO Switch Processing State
    4. Debug and Monitoring
    5. Background Method
  6. Audio object Examples
    1. Example 1 - AwxAudioObjExt.cpp
    2. Example 2 - AwxAudioObjExtToolbox.cpp
    3. Example 3 - AwxAudioObjExtMemRecs.cpp
    4. Example 4 - AwxAudioObjExt.h
    5. Example 5 - AwxAudioObjExtToolbox.h
    6. Example 6 - AwxAudioObjExtMemRecs.h
  7. General Guidelines
    1. Hardware Abstraction
    2. Hardware Abstraction for Header files
    3. Memory Enums
    4. Overlays
  8. Adding external audio object into AudioworX package
    1. Building External AO

Device Description File

  1. Terms and Abbreviations
  2. Purpose of this Document
  3. Root Element
  4. Node Elements
    1. Communication Parameters
    2. Identification of Target Device
  5. Virtual Device
  6. Objects
    1. Object
    2. Definition of a Table Object
    3. Definition of a Biquad Coefficients Object
  7. StateVariables
    1. Common
    2. NumericalSV
    3. EnumSV
    4. FilterTypeSV
    5. FloatArraySV
    6. Float16ArraySV
    7. FixedPoint16ArraySV
    8. StringSV
    9. FixedPointM_NArraySV
  8. TargetValue
    1. Common
    2. Target Value
    3. Block Target Value
  9. Templates
    1. StateVariables
  10. Revision History

Griffin Reference Projects User Guide

  1. Terms and Abbreviations
    1. Multi dll support for CAO
    2. Tuning Panel Compound Audio Object
  2. Purpose Of This Document
    1. Apply tuning to Compound Audio Object Template
    2. Testing New Post 2025
  • Audio Object Developers Guide
  • Calc

4.4.Calc

The calc() function executes the audio object’s audio algorithm every time an audio interrupt is received. This function is called when the audio object is in “NORMAL” processing state only. This function takes pointers to input and output audio streams and is called by the CAudioProcessing class when an audio interrupt is received.

The audio inputs and outputs are currently placed in two different buffers for out of place computation. xAF expects audio samples stored in input buffers to be processed and stored in output buffers.

void CAudioObject::calc(xAFAudio** inputs, xAFAudio** outputs)
{
}

If the object/algorithm does not have any logic to execute during an audio interrupt, this method does not need to be overridden. By default, it is empty. For example, some control objects do not need to execute any logic during an interrupt and, accordingly, they do not override this method.

Last updated on October 24, 2024
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