This version (18 May 2021 09:02) was approved by John Joseph.The Previously approved version (26 Feb 2020 09:35) is available.
Table of Contents
Click here to return to the Gain page
Multiple Volume Control
Varaints
- Multiple Volume Control (HW Slew)
- Multiple Volume Control (No Slew)
- Multiple Volume Control (RC Slew)
Description
The Multiple Volume Control block allows gain adjustment to be made to each of the inputs individually. Every input pin has its own volume control.
Usage
The Slider control's min/max value and step size can be customized. To modify the slider's settings, right-click on the control which will display the control pop-up window
Targets Supported
| Name | ADSP-214xx | ADSP-215xx/SC5xx | ADAU145x/146x |
|---|---|---|---|
| ———————————————————— | ——————-- | ——————————-- | —————————- |
| Multiple Volume Control (HW Slew) | B/S | B/S | S |
| Multiple Volume Control (No Slew) | NA | NA | S |
| Multiple Volume Control (RC Slew) | NA | NA | S |
Pins
Input
| Name | Type | Description |
|---|---|---|
| —————————— | ———————————————————— | —————————— |
| InputX | Audio | Input channel X |
Output
| Name | Type | Description |
|---|---|---|
| —————————— | ———————————————————— | —————————— |
| OutputX | Control | Output channel X |
Note:
- X - Channel Index
Configurable Parameters
| GUI Parameter Name | Default Value | Range | Function Description |
|---|---|---|---|
| —————————— | ————————— | —————————- | ———————————————————- |
| Gain_ChannelX | 0 dB | -200 to +200 dB | Increases/decreases the dB level of the input |
| IsDBps_ChannelX | True | True/False | Allows to controls either in dBps/linear |
| Max_ChannelX | 0 | Min_Channel < Max_Channel < 200 | Configure the maximum value of gain for X channel |
| Min_ChannelX | 0 | -200 < Min_Channel < Max_Channel | Configure the minimum value of gain for X channel |
| NumChannels | 1 | 20 | Num of input and output channels.Change in this value requires re-compilation |
Note:
- X - Channel Index
DSP Parameters
| Parameter Name | Description | ADSP-214xx/SC5xx/215xx | ADAU145x/146x |
|---|---|---|---|
| —————————————- | ——————————————————————————-- | —————————————- | —————————- |
| Gain_ChannelX | Increases/decreases the dB level of the input | Float | FixPoint8d24 |
| Slew_ChannelX | Smoothly transition of signal from one level to another level | Float | FixPoint8d24 |
DSP Parameter Computation
Slew_Channel0 = 2^(-12)
resources/tools-software/sigmastudiov2/modules/gain/multiplevolumecontrol.txt · Last modified: 06 May 2021 14:16 by Nikhin Shetty