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Sound Input Read (G Dataflow)

    Last Modified: June 1, 2017

    Reads data from a sound input device. You must use Sound Input Configure to configure the device.

    You must have DirectX 8.0 or later to use this node.


    number of samples/ch

    Number of samples per channel in the buffer. Use a large number of samples for continuous operations. Use a smaller number of samples if you want to use less memory.


    task ID in

    Sound operation from the configured device you want to manipulate or input. Use Sound Input Configure to generate a task ID.


    error in

    Error conditions that occur before this node runs. The node responds to this input according to standard error behavior.

    Default: No error



    Time, in seconds, that the node waits for the sound operation to complete. This node returns an error if the time elapses. If you set timeout to -1, the node waits indefinitely.

    Default: 10


    task ID out

    The manipulated sound operation originally passed to the task ID parameter.



    Any sound data from the file. For multi-channel sound data, data is an array of waveforms where each element of the array is a single channel.


    error out

    Error information. The node produces this output according to standard error behavior.

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported

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