Table of Content

Signal Flow Designer User Guide

  1. Overview Of Signal Flow Designer
  2. Components of Signal Flow Designer
    1. Toolbox
    2. Design Operations
    3. Properties View
    4. Audio Object Operations
  3. Operations in Signal Flow Designer
    1. Pin Labelling
    2. View Audio Object Metadata
    3. Open column name Configuration Panel
    4. Upgrade Audio Object
    5. Change Audio Object Processing State
    6. Metering a Signal Flow
    7. Copy and Paste Operation
    8. Undo and Redo Operation
    9. Block Control
    10. Signal Flow Design Validation
    11. Securing Audio Objects
  4. Create a Signal Flow
  5. Tune a Signal Flow
  6. Native Panels
    1. Launching Native Panel from Signal Flow Designer
    2. Common Operation in Native Panel
    3. Launching Native Panels
  7. Additional Audio Block Configuration Parameters
  8. Harman Audio Library Service
  9. Support for Multiple Framework Instances
  10. Feedback loop in Signal Flow
  11. Compound Audio Object
    1. Create a Compound Audio Object
    2. Rename a Compound Audio Object
    3. Export a Compound Audio Object
    4. Import a Compound Audio Object
    5. Tuning and Editing Compound Audio Object
    6. Tuning Panel Compound Audio Object
    7. Multi dll support for CAO
    8. Delete a Compound Audio Object (CAO)

Audio Object Gain

  1. Basic Audio Object Gain Introduction
    1. Hello world!
  2. Basic Audio Object Gain Descrption
  3. Testing New Post 2025

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

3.5.Change Audio Object Processing State #

Audio engineers require a method for conducting A/B testing of signal flows and load balancing, as well as a simpler way to troubleshoot tuning data if errors occur. You can achieve by using “Processing State” functionality, where you can change the audio object processing state.

Processing State function only available when device is connected.

These options are available to all audio objects except interface objects like Audio-In, Audio-Out, Control-In, and Control-Out. For the compound audio object, the selected state will be applied to all inner audio objects. Following are the tasks carried out on the xAF side for each state:
  • Normal: Normal operation with update of necessary internal states of the audio object; normal output.
  • Bypass: Normal operation with update of necessary internal states of the audio object; input channel buffer data copied to the output channel buffers.
  • Mute: Normal operation with update of necessary internal states of the audio object; output channel buffers cleared.
  • Stop: Input channel buffer data copied to the output channel buffers (no update of internal states).

 The above states are only available through GTT for regular audio objects, and only Normal and Mute states are available for source objects such as Waveform generators.

Audio object which has a state other than ‘Normal’ cannot be tuned through Native Panel.

Ramping

Linear ramping is provided with a ramp-up or ramp-down time of 50 ms. to ensure a smooth transition between states. Ramping is not provided for any transitions involving the Bypass state, and each audio object must support it. For transition between Normal and Stop states, first the output is ramped down from the present state to Mute state and then ramped up to the target state. Every time you connect GTT to device, audio object states from device are read and applied to signal flow designer. If you reboot the device, the processing states of Audio Objects will set to ‘Normal’.

In signal flow designer you can reset all audio objects processing state to ‘Normal’ by using the ‘Reset’ button.

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Last updated on October 7, 2024
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