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Methods, systems, and media for managing output of an HDMI source

A medium and active source technology, applied in the parts of TV system, electrical digital data processing, cathode ray tube indicator, etc., can solve the problem of not including

Active Publication Date: 2016-02-03
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the HDMI standard does not allow HDMI source 102 to directly determine whether audio and / or video output by HDMI source 104 is being presented to the user (e.g., using a television, audio amplifier, speakers, etc.) on the CEC bus or through another communication channel. signal of

Method used

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  • Methods, systems, and media for managing output of an HDMI source
  • Methods, systems, and media for managing output of an HDMI source
  • Methods, systems, and media for managing output of an HDMI source

Examples

Experimental program
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example 470

[0072] At 406 , if the device is in an “inactive” state (eg, based on an “active signal” being low) (“inactive” at 406 ), process 400 can proceed to 418 . At 418, process 400 can check to determine if the device performing process 400 has transitioned to an "active" state. For example, if the current state is determined to be "inactive" (or "unknown" as described below) at 406, the Figure 5 The state machine for can determine the device as an "inactive" device. For example, the process 400 can be performed by determining whether the "single touch play" process has been initiated; and the device is an "active" device and so on, determine whether the device is an "active" device. In some implementations, a device can be considered an active device (eg, in an "active" state) if any one of a number of conditions is met. More specifically, the device can be determined to be in an "active" state based on a logical OR of multiple conditions. In some implementations, process 400 ...

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Abstract

Mechanisms for managing output of an HDMI source are provided. In accordance with some implementations of the disclosed subject matter, a method for controlling output of an HDMI source is provided, the method comprising: establishing a connection between the HDMI source and an HDMI sink at a first address of a consumer electronic control bus of the HDMI sink; sending a request for an identity of the active source connected to the HDMI sink; monitoring signals on the consumer electronic control bus; receiving a message over the consumer electronic control bus identifying a second address on the consumer electronic control bus different from the first address as an address of an active source; setting a status of the HDMI source as inactive in response to receiving the message; and inhibiting output of video from the HDMI source to the HDMI sink in response to the status being set as inactive.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 61 / 834,519, filed June 13, 2013, the entire contents of which are hereby incorporated by reference. technical field [0003] The disclosed subject matter relates to methods, systems and media for managing the output of HDMI sources. Background technique [0004] Typically, a high-definition multimedia interface (HDMI) source 102 (e.g., a source of audio and / or video data, such as a set-top box, digital media receiver, optical media player, etc.) uses a unidirectional interface to transfer audio and / or video data to HDMI sink 104, enabling the presentation of audio and / or video data. figure 1 An example of interconnection between HDMI source 102 and HDMI sink 104 is shown, wherein audio and / or video data is transmitted from HDMI transmitter 108 of HDMI source 102 to HDMI receiver 110 of HDMI sink 104 over TMDS channel 106 . In such an implement...

Claims

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Application Information

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IPC IPC(8): G09G5/00G09G5/12
CPCG09G5/12H04N21/43635G09G2370/04G09G2370/06G09G2370/12H04N21/43615H04N21/44231H04N21/63G06F13/4022G06F13/4282G09G5/006H04N5/268
Inventor 埃里克·杰森·罗伯茨
Owner GOOGLE LLC
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