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AdderInt32

Overview

Adds integer signals

Discussion

The adder int32 module has a variable number of input pins and a single output pin. In all cases, all inputs must have the same block size and this equals the block size of the output pin.

The module operates in two fundamentally different modes depending upon the value of the variable oneChannelOutput. If oneChannelOutput==0, then all of the input pins must have the same number of channels. The output pin will then have the same number of channels as the input pins and be formed as the sum of all inputs. If oneChannelOutput==1, then the input pins can each have a different number of channels. The output is then a one channel signal that is formed as the sum over all input channels.

Type Definition

CODE
typedef struct _ModuleAdderInt32
{
    ModuleInstanceDescriptor instance;            // Common Audio Weaver module instance structure
    INT32 oneChannelOutput;                       // Boolean value that determines whether all channels are summed to form a single output.
} ModuleAdderInt32Class;

Variables

Properties

Name

Type

Usage

isHidden

Default value

Range

Units

oneChannelOutput

int

const

0

0

0:1:1

Pins

Input Pins

Name: in1

Description: Audio input

Data type: int

Channel range: Unrestricted

Block size range: Unrestricted

Sample rate range: Unrestricted

Complex support: Real

Name: in2

Description: Audio input

Data type: int

Channel range: Unrestricted

Block size range: Unrestricted

Sample rate range: Unrestricted

Complex support: Real

Output Pins

Name: out

Description: Audio output

Data type: int

MATLAB Usage

File Name: adder_int_module.m

CODE
 M=adder_int_module(NAME, NUMIN, ONECHANNELOUTPUT)
 Creates a multi-input adder module for use with the Audio Weaver.
 Arguments:
    NAME - name of the module.
    NUMIN - number of input pins
    ONECHANNELOUTPUT - boolean value which determines if multi-channel
         input signals are collapsed to a single output channel.

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