Multiple Decoding
A system for processing information received from a plurality of source devices. Various aspects of the present invention provide a first video generating device that produces a first video output that comprises compressed video information representative of a sequence of video frames, the compressed video information comprising inter-frame comparison information. A second video generating device is also provided, which produces a second video output. A processing module is communicatively coupled to the first and second video generating devices and independent of such devices. The processing module may decompress the first video output from the first video generating device. A video presentation device is provided, which may generate a display corresponding to the first video output via the processing module and a display corresponding to the second video output via the processing module. Generally analogous components for processing audio information are also provided.
1 . A video processing system, comprising: a first video generating device that produces a first video output, the first video output comprising compressed video information representative of a sequence of video frames, the compressed video information comprising information of inter-frame comparison; a second video generating device that produces a second video output; a processing module, communicatively coupled to the first and second video generating devices, that is independent of the first and second video generating devices and capable of decompressing the first video output; a video presentation device, communicatively coupled to the processing module, that is capable of generating a display corresponding to the first video output via the processing module and capable of generating a display corresponding to the second video output via the processing module.
2 . The video processing system of claim 1 , wherein the processing module is capable of a first type of decompression for decompressing information compressed with a first type of compression and a second type of decompression for decompressing information compressed with a second type of compression.
3 . The video processing system of claim 2 , wherein the processing module automatically detects the type of compression used to form the first video output and selects between the first type of decompression and the second type of decompression based on the detected type of compression.
4 . The video processing system of claim 2 , wherein the processing module comprises a single decompression engine capable of decompressing video information encoded with any of a plurality of compression schemes.
5 . The video processing system of claim 2 , wherein the processing module comprises a plurality of decompression engines.
6 . The video processing system of claim 5 , wherein the processing module further comprises a video information switching circuit communicatively coupled to the plurality of decompression engines, the video information switching circuit directing received video information to a corresponding decompression engine based on the type of decompression used to form the received video information.
7 . The video processing system of claim 2 , wherein the processing module is further capable of decompressing the second video output.
8 . The video processing system of claim 7 , wherein the processing module is further capable of processing at least one of the first video output and the second video output using decompression and processing at least one of the first video output and the second video output not using decompression.
9 . The video processing system of claim 1 , wherein the second video output comprises second compressed video information representative of a sequence of video frames, the second compressed video information comprising information of inter-frame comparison.
10 . The video processing system of claim 1 , wherein the video presentation device and processing module are integrated into a single device.
11 . The video processing system of claim 1 , wherein the video presentation device comprises a first window that presents information of the first video output.
12 . The video processing system of claim 1 , wherein the video presentation device further comprises a second window that presents information of the second video output.
13 . An audio presentation system, comprising: a first audio generating device that produces a first audio output, the first audio output comprising compressed audio information; a second audio generating device that produces a second audio output; a processing module, communicatively coupled to the first and second audio generating devices, that is independent of the first and second audio generating devices and capable of decompressing the first audio output; an audio presentation device, communicatively coupled to the processing module, that is capable of generating sound corresponding to the first audio output via the processing module and capable of generating sound corresponding to the second audio output via the processing module.
14 . The audio processing system of claim 13 , wherein the processing module is capable of a first type of decompression for decompressing information compressed with a first type of compression and a second type of decompression for decompressing information compressed with a second type of compression.
15 . The audio processing system of claim 14 , wherein the processing module automatically detects the type of compression used to form the first audio output and selects between the first type of decompression and the second type of decompression based on the detected type of compression.
16 . The audio processing system of claim 14 , wherein the processing module comprises a single decompression engine capable of decompressing audio information encoded with any of a plurality of compression schemes.
17 . The audio processing system of claim 14 , wherein the processing module comprises a plurality of decompression engines.
18 . The audio processing system of claim 17 , wherein the processing module further comprises an audio information switching circuit communicatively coupled to the plurality of decompression engines, the audio information switching circuit directing received audio information to a corresponding decompression engine based on the type of decompression used to form the received audio information.
19 . The audio processing system of claim 14 , wherein the processing module is further capable of decompressing the second audio output.
20 . The audio processing system of claim 19 , wherein the processing module is further capable of processing at least one of the first audio output and the second audio output using decompression and processing at least one of the first audio output and the second audio output not using decompression.