Opencable™ digital television
OpenCable™ is a digital cable standard for the United States, designed to offer interoperability between different hardware and software suppliers. A subset of the standard is being incorporated inside digital televisions.
A summary of the OpenCable™ standard is shown in Table 8.3.
Table 8.3. Summary of the OpenCable™ Standard
| Parameter | OpenCable™ |
|---|---|
| Video compression | MPEG-2 |
| Audio compression | Dolby® Digital |
| Multiplexing | MPEG-2 transport stream |
| Modulation | QAM |
| Channel bandwidth | 6 MHz |
OpenCable™ receivers use the following four communications channels over the digital cable network:
6-MHz NTSC analog channels. They are typically located in the 54–450 MHz range. Each channel carries one program.
6-MHz Forward Application ...
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