Signal processing system and method
A signal processing and signal source technology, applied in the direction of cathode ray tube indicators, digital output to display devices, instruments, etc., can solve problems such as poor display signals, troubles in use, display errors, etc.
Active Publication Date: 2013-11-06
ACER INC
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[0003] However, for some timing specifications of display signals that are easily confused and difficult to identify through timing detection, such as 1440x900 and 1600x900, 1680x1050 and 1400x1050, or 1366x768 and 1024x768, etc., or due to problems such as too long signal transmission lines and poor line quality, the display In the case of poor signal, if the signal sampling detection is performed by the display device itself, it is often because the display device cannot accurately judge the timing specification of the display signal, which will cause problems such as screen flickering or display errors when the signal is displayed, which will cause the use of on the trouble
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[0018] In order to allow the examiners to better understand the technical content of the present invention, preferred embodiments are given and described as follows.
[0019] Please refer to the following figure 1 , figure 1 It is a system block diagram of the signal processing system 1 of the present invention. Such as figure 1 As shown, the signal processing system 1 of the present invention includes a signal source 10 and a display device 20 , and the signal source 10 and the display device 20 are electrically connected by a signal transmission line 30 to serve as a data transmission medium between the two. In this embodiment, the signal source 10 is a computer mainframe, and the display device 20 can be a computer screen, a television set or a projector, but the aforementioned signal source 10 or display device 20 can also be selected from other electronic devices with similar functions. The device is replaced and is not limited to this embodiment. In addition, accordi...
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The invention relates to a signal processing system and a signal processing method. Specifically, the signal processing system comprises a display device and a signal source, wherein the signal source is used for generating display signals and decides time sequence format information for outputting the display signals; the signal source comprises a transmission module for transmitting the display signals and the time sequence format information; the display device is electrically connected to the signal source for receiving the display signals and the time sequence format information; and the display device comprises a processing module used for performing time sequence detection aiming at the display signals and comparing whether a time sequence detection result is consistent with the time sequence format information so as to decide a time sequence format used for displaying the display signals, wherein the processing module receives the time sequence format information transmitted from the transmission module through a display data channel. The system and the method can ensure the correctness of time sequence specifications of the display signals adopted by the display device and avoid signal display problems caused by error time sequence specification judgment generated by the display signals.
Description
technical field [0001] The present invention relates to a signal processing system and method, in particular to a signal processing system and method for determining the timing format used for displaying signals. Background technique [0002] Nowadays, many display devices have built-in extended display identification data (extended display identification data, EDID) corresponding to the supported specifications and parameters. ) to obtain the extended display identification data. According to the extended display identification data, the host computer will generate a display signal with a corresponding timing format, and transmit the display signal to the display device through the signal transmission line. After receiving the display signal, the display device will sample the display signal according to a sampling setting and perform timing detection to confirm the timing specification of the display signal, so that the display signal can be displayed smoothly through the...
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IPC IPC(8): G09G5/00G06F3/14
Inventor 黄昭维
Owner ACER INC