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The ISpeechAudio automation interface supports the control of real-time audio streams, such as those connected to a live microphone or telephone line.
The Format property and the Read, Write and Seek methods are inherited from the ISpeechBaseStream interface.
The ISpeechAudio automation interface contains the following elements:
| Properties | Description |
|---|---|
| BufferInfo Property | Returns the audio buffer information as an ISpeechAudioBufferInfo object. |
| BufferNotifySize Property | Returns the audio stream buffer size information. |
| DefaultFormat Property | Returns the default audio format as an SpAudioFormat object. |
| EventHandle Property | Returns a Win32 event handle that applications can use to wait for status changes in the I/O stream. |
| Format Property | Gets and sets the cached wave format of the audio stream or device. |
| Status Property | Returns the audio status as an ISpeechAudioStatus object. |
| Volume Property | Gets and sets the volume level. |
| Methods | Description |
|---|---|
| Read Method | Reads data from an audio stream. |
| Seek Method | Returns the current read position of the audio stream in bytes. |
| SetState Method | Sets the audio state with a SpeechAudioState constant. |
| Write Method | Writes data to the audio stream. |
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