Analog TV Tuning Interfaces
| Microsoft DirectShow 9.0 |
Analog TV Tuning Interfaces
These interfaces support analog TV tuning.
- **Note **In Windows XP, applications should use the interfaces defined in Microsoft TV Technologies.
| Interface | Description |
| IAMTVTuner | Control a TV tuner device. |
| IAMTVAudio | Control the audio from a TV tuner. |
| IAMAnalogVideoDecoder | Contains methods for selecting the digitization format, indicating the horizontal lock status, and controlling the time constant on the digitizer phase lock loop (PLL). |
| IAMLine21Decoder | Used to control the display of closed captioning. |
| IAMWstDecoder | Used to control the dislay of World Standard Teletext (WST). |
See Also