Multimedia system for processing a variety of images together with sound
AssigneeHudson Soft Co., Ltd.
InventorFumihiko Itagaki
Life of this patent
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Abstract
A high performance computer includes a CPU, a video display unit, a control unit, an image data extension unit, a video encoder unit responsive to the outputs of the video display unit, the controller unit and the image data extension unit, and a sound data output unit, for processing a variety of image data together with a variety of sound data at high speed. Three types of image data sequence processes can be carried out in the computer. These are an external block sequence, an external dot sequence, and an internal dot sequence.
Claims18
A multimedia system for processing a variety of images with sound, comprising:
- a Video RAM (VRAM) for storing image data;
- means for writing image data of external-block type to be processed block-by-block into the VRAM;
- a video display (VDP) unit, coupled to the VRAM, for processing the image data stored in the VRAM;
- an external storage for storing image and sound data, including image data of internal-dot type to be processed dot-by-dot;
- a control unit, coupled to the external storage, for reading the image and sound data stored in the external storage, to produce scale-down image data of external-dot type to be processed dot-by-dot;
- an image data extension unit, coupled with the control unit, for extending the scaled-down image data of external-dot type;
- a video encoder unit, coupled with the video display unit, the control unit, and the image data extension unit, for encoding each image data of the external-block, internal-dot, and external-dot types, respectively;
- means, coupled with the video encoder unit, for decoding the encoded image data to produce transferable data;
- and
- a sound data output unit, coupled to the control unit, for processing a variety of sound data.
A multimedia system for processing a variety of images and sounds, comprising:
- a Video RAM (VRAM) for storing image data;
- means for writing image data of external-block type to be processed block-by-block into the VRAM;
- a video display (VDP) unit, coupled with the VRAM, for processing the image data stored in the VRAM;
- an external storage for storing image and sound data, including image data of internal-dot type to be processed dot-by-dot;
- a control unit, coupled with the external storage, for reading the image and sound data stored in the external storage, to produce image data of external-dot type to be processed dot-by-dot and managing a plurality of Background (BG) screens, in which a main picture and a sub-picture are specified as BG image data and scrolled independently of each other, and in which the sub-picture is superimposed on the main picture;
- an image data extension unit, coupled with the control unit, for extending a scaled-down image data of external-dot type;
- a video encoder unit, coupled with the video display unit, the control unit, and the image data extension unit, for encoding each image data of the external-block, internal-dot, and external-dot types, respectively;
- means, coupled with the video encoder unit, for decoding the encoded image data to produce transferable data;
- and
- a sound data output unit, coupled with the control unit, for processing a variety of sound data.
Dependencies are inferred from the claim text.