Computer add-on card capable of outputting different type of digital TV signals
AssigneeTatung Co., Ltd.
InventorsSiang Siung Liauw, Shin-Yun Lin
Life of this patent
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Abstract
This invention is about a computer add-on card that is capable of transferring MPEG-2 Transport Stream file from a computer storage (hard disk, DVD-ROM, etc.) to an external equipment such as: Digital TV settop box, modulator, etc. Besides handling PCI protocol communication, this add-on card also controls MPEG-2 Transport Stream generation, and signal format and interface conversion. To incorporate various output signal formats and interfaces, a daughter board is implemented as the output signal format and interface converter part. Using this daughter board, user can have various different Digital TV output signals without the need of modifying the application program.
Claims7
A computer add-on card that is capable of outputting various different types of Digital TV] signals, the add-on card comprising:
- an interface daughter board for converting an output signal format;
- a Peripheral Component Interconnect (PCI) bus interface that connects to a PC's PCI slot;
- a PCI Bridge to handle communication between a computer host and the add-on card;
- a Field Programmable Gate Array (FPGA) unit that provides control signal conversion;
- a bit rate generator that produces clock signals needed by the system;
- two First In First Out (FIFO) buffers that function as temporary data storage;
- an output connector where various Digital TV signal formats are output from;
- and
- a control jumper to facilitate configuration of different Digital TV formats and interfaces.
Dependencies are inferred from the claim text.