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Digital broadcast chipset, handheld device applying by the same, and broadcast method

A handheld device, digital broadcasting technology, applied in the direction of transmission system, electrical components, etc., can solve the problem of high manufacturing cost

Inactive Publication Date: 2014-08-06
成一电子股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the architecture of the handheld device 200, although the digital broadcast chipset 220 itself has an independent processor and flash memory 226, the manufacturing cost of the digital broadcast chipset 220 is still higher than that of the Yangchun type digital broadcast chipset 120. out a lot

Method used

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  • Digital broadcast chipset, handheld device applying by the same, and broadcast method
  • Digital broadcast chipset, handheld device applying by the same, and broadcast method
  • Digital broadcast chipset, handheld device applying by the same, and broadcast method

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Embodiment Construction

[0031] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. In addition, elements / components with the same or similar numbers used in the drawings and embodiments are used to represent the same or similar parts.

[0032] image 3 is a circuit block diagram of a handheld device according to an embodiment of the present invention. Please refer to image 3 . The handheld device 300 of this embodiment may include a communication chipset (communication chipset) 310 , a digital broadcasting chipset (digital broadcasting chipset) 320 and a flash memory (flash memory) 330 . The handheld device 300 may be a multifunctional mobile phone or an intelligent personal digital assistant, but not limited thereto. The communication chipset 310 may include a baseband demodulation processor (baseband demodulation processor) 312 to demodulate communication signals and control related communic...

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PUM

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Abstract

The invention discloses a digital broadcast chipset, a handheld device applying by the same, and a broadcast method. The digital broadcast chipset is suitable for the handheld device. The handheld device comprises a communication chipset and a flash memory. The communication chipset comprises a first baseband demodulation processor; and the flash memory stores a program of the digital broadcast chipset. The digital broadcast chipset comprises a second baseband demodulation processor. When the digital broadcast chipset is initialized, the first baseband demodulation processor captures the program to the second baseband demodulation processor and the second baseband demodulation processor executes the program. The handheld device can reduce program load of the communication chipset and saves manufacturing cost.

Description

technical field [0001] The present invention relates to a hand-held device, and in particular to a digital broadcast chip set and playing method applied in the hand-held device. Background technique [0002] Due to the continuous advancement of information technology, hand-held devices such as mobile phones have gradually added the playback function of DAB. Common types of digital audio broadcasting include, for example, Digital Audio Broadcasting (DAB for short), Advanced Digital Audio Broadcasting (DAB+ for short, which adopts high-end audio Multimedia Broadcasting, referred to as DMB). The above-mentioned digital audio broadcasting type is a technology based on the communication protocol of digital radio broadcasting technology. It was originally a standard jointly developed and established by European countries, and now it has gradually become popular and applicable to countries all over the world. [0003] figure 1 It is a circuit block diagram of an existing hand-he...

Claims

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Application Information

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IPC IPC(8): H04B1/40H04B1/16
Inventor 杨朝栋张世维
Owner 成一电子股份有限公司