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Ultimedia Services Version 2 for AIX: Programmer's Guide and Reference

Chapter 8. Programming with Audio Filter Objects

The UMSFilter object is a parent class that defines methods for the audio filter objects. It exists only for inheritance and is never instantiated. Methods defined by the UMSFilter object include:

calculate_output_size Returns the minimum output buffer size needed after conversion given a filter and size of input buffer.
filter Performs the filtering.
reset Resets the filter state.

Audio filter objects supported include objects with the following capabilities:

To learn more about audio filter objects, see:

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