Class ALDSAudioIn.TALDSAudioIn

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Package: AudioLabEssentialPkg

Unit: ALDSAudioIn

Inherits: TLPComponent

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Properties 4.1 Published 4.2 Public 5 Methods 5.1 Public 6 Pins

Syntax

Delphi:

type TALDSAudioIn = class( TLPComponent )

C++ Builder:

class TALDSAudioIn : public TLPComponent

Visual C++ (MFC):

class CTALDSAudioIn : public CTLPComponent

C# (.NET):

public ref class TALDSAudioIn : Mitov.AudioLab.Component

Summary

Captures audio from an audio input device using DirectShow.

Description

Requires DirectShow 8.1 or higher.

If you don't want to use DirectShow use the TALAudioIn component instead.

DirectShow based audio capture component.

Use this component to capture audio data from an input device such as Microphone, Modem or TV/Radio Tuner.

To capture data from a device, place the component on a form, select the driver of the device to use for capturing, set the Enabled property of the component to True, and connect the output pin to an InputPin of a component capable of receiving video data, as example a TALWaveLogger, TALAudioOut or TALDSAudioOut.

Diagram:

Properties

Published

• Enabled - Enables/Disables the capture.
• AudioFormat - Desired audio capture format.
• AudioCaptureDevice - Desired audio input device(s).
• AudioSources - List of audio capture sources.
• Graph - The DirectShow Graph.

Public

• RunningAudioFormat - Returns information about the running audio format during the capture.
• AudioModes - List of available audio modes.
• CrossbarDialogs - List of Crossbar dialogs.
• Opened - Returns True if the device is opened.
• AvailableAudioDialogs - Set of available audio dialogs.

Methods

Public

• function Open() : Boolean - Opens the device.
• procedure Close() - Closes the device.
• procedure Start() - Starts the capture.
• procedure Stop() - Stops the capture.
• function ShowAudioDialog(DialogType : TALDSCaptureDialog) : Boolean - Shows a specified DirectShow audio dialog.

Pins

• OutputPin - The Audio Output Pin of the player.