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Control method and device based on multimedia interface

A technology of multimedia interface and control method, applied in the field of communication, can solve problems such as poor compatibility, avoid selection errors, and improve effective processing capability and compatibility.

Active Publication Date: 2021-06-04
AMOLOGIC (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem that the existing intermediate equipment cannot effectively process conventional events and has poor compatibility, a multimedia interface-based control method aimed at the effective processing of conventional events by intermediate equipment and good compatibility is provided

Method used

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  • Control method and device based on multimedia interface
  • Control method and device based on multimedia interface

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Embodiment Construction

[0044]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0046] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0047] Such as figure 1 As shown, the present invention provides a kind of control method based on multimedia in...

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Abstract

The invention discloses a control method and device based on a multimedia interface, belonging to the technical field of communication. The present invention can record the real-time information received and sent by the intermediate equipment in real time through the information form, and generate corresponding credible messages based on the real-time information, so as to realize the identification of the credibility of the real-time information. When the intermediate equipment collects the event information, if there is no After receiving the end message, the corresponding switching message can be sent according to the current trusted message type in the information form, so that the intermediate device can maintain the transmission channel before collecting event information, and ensure the transmission between the intermediate device, the upstream device and the downstream device state, to avoid the situation where the intermediate device chooses wrongly due to the event information collected, and to improve the effective processing capability and compatibility of the intermediate device for event information.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a control method and device based on a multimedia interface. Background technique [0002] With the rapid development of high-definition multimedia interface (HDMI-HDMI High Density Multilayer Interconnect) electronic products in recent years, consumer electronics control (CEC-Consumer Electronics Control) has become popular. HDMI interconnection can be used between electronic products such as TVs, power amplifiers, DVD players, AV receivers, and streaming media adapters. As an auxiliary protocol of HDMI, CEC can support the exchange of command transmission and routing information between devices. CEC transmits messages based on the bus, and multiple devices are connected through HDMI cables to form a CEC network. A CEC network includes three types of equipment: upstream equipment (eg: Source equipment), intermediate equipment (eg: Switch equipment) and downstream equipme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/41H04N21/4363H04N5/765
CPCH04N5/765H04N21/41H04N21/43635
Inventor 王进平刘靖俞伟
Owner AMOLOGIC (SHANGHAI) CO LTD
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