Note
Please see Azure Cognitive Services for Speech documentation for the latest supported speech solutions.
Microsoft Speech Platform
ISpStreamFormat
ISpStreamFormat inherits from IStream.
This is the minimum extra interface required by the Speech Platform in addition to the IStream interface. Using this interface, the Speech Platform can query the stream to determine the format of the stream data. Almost all the Speech Platform functions that require or return a stream will require or return an ISpStreamFormat.
When to Implement
This interface should be implemented when implementing a stream from scratch. If an IStream already exists, the Speech Platform can use it with the provided ISpStream object. In normal usage, this interface does not need to be implemented.
Implemented By
- SpMMAudioIn (see ISpAudio)
- SpMMAudioOut (see ISpAudio)
- SpStreamFormatConverter (see ISpStreamFormatConverter)
- SpStream (see ISpStream)
Methods in Vtable Order
| ISpStreamFormat Methods | Description |
|---|---|
| GetFormat | Passes back the cached format of the stream. |
Development Helpers
| Enumeration, Function, or Class | Description |
|---|---|
| SPSTREAMFORMAT | The stream formats that the Speech Platform supports. |
| CSpStreamFormat | Class for managing stream formats and WAVEFORMATEX structures that the Speech Platform supports. |