Class unaDspDTMFDecoder

Unit

unaDsp

Declaration

type unaDspDTMFDecoder = class(unaObject)

Description

DTMF Decoder implementation.

Hierarchy

• TObject
• unaObject
• unaDspDTMFDecoder

Overview

Methods

	constructor create();
	function setFormat(samplingRate, bitsPerSample, numChannels: int): HRESULT;
	function write(data: pointer; size: int): HRESULT;
	procedure clearState();
	procedure DTMFCodeDetected(code: char; const param: single); virtual;

Properties

	property onDTMFCodeDetected: tDTMFCodeDetectedEvent read f_onCode write f_onCode;
	property threshold: int read f_dtmfd_LVS write f_dtmfd_LVS;

Description

Methods

	constructor create();

	function setFormat(samplingRate, bitsPerSample, numChannels: int): HRESULT;

	function write(data: pointer; size: int): HRESULT;

	procedure clearState();

	procedure DTMFCodeDetected(code: char; const param: single); virtual;

Properties

	property onDTMFCodeDetected: tDTMFCodeDetectedEvent read f_onCode write f_onCode;

	property threshold: int read f_dtmfd_LVS write f_dtmfd_LVS;
The lower signal you have, the lower threshold value should be.

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