Digital broadcast receiver unit
A digital broadcast receiver unit for determining the scanning method of the video signal of the selected program when signals multiplexed through a plurality of different scanning methods are received, processing these video signals by an appropriate video signal processor constituting a video encoder, and then outputting the result. This digital broadcast receiver unit includes a demodulator to tune in the channel of the received signal and perform demodulation, a multiplex isolator to isolate the audio, video and other types of data coded from the multiplex signals output from the demodulator, a decoder to decode the video signal and audio signal from the multiplex isolator, a plurality of video processors performing respectively different corresponding scanning methods and connected to an output of the decoder, an output selector to select from among outputs from the plurality of video processors, and a controller to control the output selector and determine the scanning method of the video signal of the selected program and also perform the appropriate processing based on the scanning method for the selected video signal.
1. A video processing apparatus comprising:
an input device which inputs an encoded video signal;
a decoder which decodes the encoded video signal having a video format which is one of a plurality of video formats to produce a decoded video signal;
a processor which processes the decoded video signal by using a scanning method informatin of the decoded video signal, to produce a processed video signal; and
an output device which outputs both of the video signal processed by using the scanning method information and scanning method information of the processed video signal, from the video processing apparatus to an external video processing apparatus.
2. A video processing apparatus as claimed in claim 1 comprising:
wherein the processor detects the scanning method information of the decoded video signal.
3. A video processing apparatus as claimed in claim 1 comprising:
wherein the scanning method information of the decoded video signal coincides with the scanning method information of the processed video signal.
4. A video processing apparatus as claimed in claim 1 comprising:
wherein the processor tailors processing of the decoded video signal based on the scanning method information of the decoded video signal.
5. A video processing apparatus as claimed in claim 1 ,
wherein the processor adds synchronizing information to the decoded video signal corresponding to the scanning method information of the decoded video signal.
6. A video processing apparatus as claimed in claim 1 comprising:
wherein the scanning method information of the decoded video signal and the scanning method information of the processed video signal relate to an MPEG-family scanning method.
7. A video processing apparatus as claimed in claim 1 comprising:
wherein the scanning method information of the decoded video signal and the scanning method information of the processed video signal relate to an interlaced signal or progressive signal.
8. A video processing apparatus as claimed in claim 1 wherein the processor encodes to obtain encoded video signal as the processed video signal.
9. A video processing apparatus as claimed in claim 1 wherein the output device separately outputs both of the video signal processed by using the scanning method information and scanning method information of the processed video signal, from the video processing apparatus to the external video processing apparatus.
10. A video processing apparatus as claimed in claim 1 wherein the processor processes the decoded video signal to produce the processed video signal having a same video format as the decoded video signal.
11. A video processing method comprising:
obtaining an encoded video signal, the video signal having a video format selected from a plurality of video formats;
decoding the encoded video signal to produce a decoded video signal;
processing the decoded video signal by using a scanning method information of the decoded video signal, to produce a processed video signal; and
outputting both of the processed video signal processed by using the scanning method information and scanning method information of the processed video signal, to an external video processing apparatus.
12. A video processing method as claimed in claim 1 comprising:
detecting the scanning method information of the encoded video signal.
13. A video processing method as claimed in claim 11 comprising:
wherein the scanning method information of the decoded video signal coincides with the scanning method information of the processed video signal.
14. A video processing method as claimed in claim 11 comprising:
tailoring the processing of the decoded video signal based the scanning method information of the decoded video signal.
15. A video processing method as claimed in claim 11 comprising:
adding synchronizing information to the decoded video signal corresponding to the scanning method information of the decoded video signal.
16. A video processing method as claimed in claim 11 comprising:
wherein the scanning method information of the decoded video signal and the scanning method information of the processed video signal relate to an MPEG-family scanning method.
17. A video processing method as claimed in claim 11 comprising:
wherein the scanning method information of the decoded video signal and the scanning method information of the processed video signal relate to an interlaced signal or progressive signal.
18. A video processing method as claimed in claim 11 comprising separately outputting both of the processed video signal processed by using the scanning method information and scanning method information of the processed video signal, to the external video processing apparatus.
19. A video processing method as claimed in claim 11 wherein the processing processes the decoded video signal to produce the processed video signal having a same video format as the decoded video signal.
20. A video processing apparatus comprising:
an input device which inputs an encoded video signal;
a decoder which decodes the encoded video signal having a video format to produce a decoded video signal;
a processor which detects a scanning method information of the decoded video signal, and processes the decoded video signal by using the detected scanning method information to produce a processed video signal; and
an output device which outputs both of the video signal processed by using the scanning method information and scanning method information of the processed video signa, from the video processing apparatus to an external video processing apparatus.
21. A video processing apparatus as claimed in claim 20 comprising:
wherein the scanning method information of the decoded video signal coincides with the scanning method information of the processed video signal.
22. A video processing apparatus as claimed in claim 20 comprising:
wherein the scanning method information of the decoded video signal and the scanning method information of the processed video signal relate to an MPEG-family scanning method.
23. A video processing apparatus as claimed in claim 20 comprising:
wherein the scanning method information of the decoded video signal and the scanning method information of the processed video signal relate to an interlaced signal or progressive signal.
24. A video processing apparatus as claimed in claim 20 wherein the output device separately outputs both of the video signal processed by using screen format designation the scanning method information and screen format designation scanning method information of the processed video signal, from the video processing apparatus to the external video processing apparatus.
25. A video processing apparatus as claimed in claim 20 wherein the processor processes the decoded video signal to produce the processed video signal having a same video format as the decoded video signal.
26. A video processing apparatus comprising:
an input device which inputs an encoded video signal;
a decoder which decodes the encoded video signal having a first scanning method information to produce a decoded video signal;
a processor which processes the decoded video signal by using a second scanning method information of the decoded video signal to produce a processed video signal; and
an output device which outputs both of the video signal processed by using second scanning method information and the second scanning method information of the processed video signal, from the video processing apparatus to an external video processing apparatus.
27. A video processing apparatus as claimed in claim 26 wherein the output device separately outputs both of the video signal processed by using second scanning method information and the second scanning method information of the processed video signal, from the video processing apparatus to the external video processing apparatus.
28. A video processing apparatus as claimed in claim 26 wherein the processor processes the decoded video signal to produce the processed video signal having a same video format as the decoded video signal.
29. A video processing apparatus comprising:
an input device which inputs an encoded video signal;
a decoder which decodes the encoded video signal having a scanning method which is one of a plurality of video formats to produce a decoded video signal;
a processor which processes the decoded video signal by using a scanning method information of the decoded video signal to produce a processed video signal; and
an output device which outputs both of the video signal processed by using the scanning method information and scanning method information of the processed video signal, from the video processing apparatus to an external video processing apparatus.
30. A video processing apparatus as claimed in claim 29 wherein the output device separately outputs both of the video signal processed by using the scanning method information and scanning method information of the processed video signal, from the video processing apparatus to the external video processing apparatus.
31. A video processing apparatus as claimed in claim 29 wherein the processor processes the decoded video signal to produce the processed video signal having a same video format as the decoded video signal.
32. A video processing apparatus comprising:
an input device which inputs an encoded video signal;
a decoder which decodes the encoded video signal having a scanning method information regarding an interlaced or progress signal which is one of a plurality of video formats to produce a decoded video signal;
a processor which processes the decoded video signal by using the scanning method information regarding the interlaced or progress signal to produce a processed video signal; and
an output device which outputs both of the video signal processed by using scanning method information and scanning method information regarding the interlaced or progress signal of the processed video signal, from the video processing apparatus to an external video processing apparatus.
33. A video processing apparatus as claimed in claim 32 wherein the output device separately outputs both of the video signal processed by using scanning method information and scanning method information regarding the interlaced or progress signal of the processed video signal, from the video processing apparatus to the external video processing apparatus.
34. A video processing apparatus as claimed in claim 32 wherein the processor processes the decoded video signal to produce the processed video signal having a same video format as the decoded video signal.