WO2017101334A1 - 一种专用接口转hdmi接口的方法和装置 - Google Patents

一种专用接口转hdmi接口的方法和装置 Download PDF

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WO2017101334A1
WO2017101334A1 PCT/CN2016/088620 CN2016088620W WO2017101334A1 WO 2017101334 A1 WO2017101334 A1 WO 2017101334A1 CN 2016088620 W CN2016088620 W CN 2016088620W WO 2017101334 A1 WO2017101334 A1 WO 2017101334A1
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interface
hdmi
channel
proprietary
tmds
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French (fr)
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常琪
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Le Holdings Beijing Co Ltd
Leshi Zhixin Electronic Technology Tianjin Co Ltd
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Le Holdings Beijing Co Ltd
Leshi Zhixin Electronic Technology Tianjin Co Ltd
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Priority to US15/249,524 priority Critical patent/US20170171504A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus

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  • the embodiments of the present invention relate to the field of video interface technologies, and in particular, to a method and an apparatus for a dedicated interface to a high definition multimedia interface (HDMI) interface.
  • HDMI high definition multimedia interface
  • Soundbar which is designed to make up for the lack of sound quality on flat-panel TVs, will be popular.
  • Soundbar is a long strip speaker that integrates multiple channels of speakers and amplifiers into a single box. It has at least the following advantages:
  • Each channel in the Soundbar has a separate cavity to ensure good isolation and resolution
  • the Soundbar is small, easy to place and move, can be placed in front of the TV, or it can be hung on the wall; it can be of various shapes, sizes and types, and can Personalized design according to the size of the flat-panel TV, which can form an integrated visual effect with the flat-panel TV;
  • Soundbar can support a variety of features, including the ability to simulate surround sound, real surround sound, HDMI input, digital and analog audio input, Universal Serial Bus (USB) port, Bluetooth support and subwoofer and many more;
  • USB Universal Serial Bus
  • connection and control of the Soundbar is very simple, and the wiring is very simple. It is definitely not like the home theater. The sound is surrounded by a messy connection, which seriously affects the visual effect. The Soundbar speaker usually only needs one cable to complete the tablet. Television connection;
  • Soundbar is cheaper and easier for consumers to accept.
  • connection between the display of the flat-panel TVs of different brands or different models and the Soundbar is generally a connection line of a proprietary interface to a proprietary interface designed for the brand or the model.
  • the connection between the LeTV MAX4-70 TV display and the Soundbar uses LeTV's proprietary interface to turn the proprietary interface to achieve video from Soundbar to The transmission of the LeTV MAX4-70 TV display.
  • the Soundbar proprietary interface for the LeTV MAX4-70 TV is due to the proprietary interface.
  • the reason is not universal, if the consumer chooses other flat-panel TVs, it will not be able to connect to the Soundbar of the LeTV proprietary interface.
  • the embodiment of the present invention provides a method and a device for a dedicated interface to an HDMI interface, which are used to solve the defect that the Soundbar having only a proprietary interface in the prior art does not have universal applicability, and has a proprietary interface through a dedicated interface to an HDMI interface.
  • the sound output of the Soundbar and the smart TV with HDMI interface enhances the universal applicability of the Soundbar with a proprietary interface.
  • An embodiment of the present application provides a device for a dedicated interface to an HDMI interface, including: a proprietary interface, an HDMI interface, and a connection cable connecting the proprietary interface and the HDMI interface, where
  • the proprietary interface is configured to be coupled to a proprietary interface of the sound bar
  • the HDMI interface is configured to be adapted to be connected to an HDMI interface of the smart television
  • connection cable is configured to separate an HDMI signal in the sound bar signal received through the proprietary interface, and transmit the separated HDMI signal to the smart TV through the HDMI interface.
  • the embodiment of the present application provides a method for a dedicated interface to an HDMI interface, including:
  • the HDMI signal in the strip speaker signal received through the proprietary interface is separated, and the separated HDMI signal is transmitted to the smart TV through the HDMI interface.
  • the embodiment of the present application provides a Soundbar data line of a dedicated interface to an HDMI interface, which is used to solve the defect that the Soundbar having only a proprietary interface in the prior art does not have universal applicability, and the HDMI is transmitted through a dedicated interface.
  • the interface implements the video output of a Soundbar with a proprietary interface and a flat-panel TV with an HDMI interface, improving the general applicability of the Soundbar with a proprietary interface.
  • FIG. 1 is a schematic diagram of a Soundbar data line of a dedicated interface to a dedicated interface in the prior art
  • FIG. 2 is a schematic structural diagram of an apparatus for a dedicated interface to an HDMI interface according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of separating an HDMI signal by a dedicated audio and video signal according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of a HDMI protocol transmission wire control requirement in an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method for a dedicated interface to an HDMI interface according to an embodiment of the present application.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 is a schematic structural diagram of an apparatus for a dedicated interface to an HDMI interface according to an embodiment of the present application.
  • the device of the dedicated interface to the HDMI interface may be a data line between the Soundbar and the smart TV for connecting the Soundbar with a proprietary interface and A smart TV with an HDMI interface that implements a video output with a proprietary Soundbar and a smart TV with an HDMI interface.
  • the device of the special interface to the HDMI interface in the embodiment of the present application includes: a proprietary interface, an HDMI interface, and a connection cable connecting the proprietary interface and the HDMI interface, where
  • HDMI interface for adapting and connecting with the HDMI interface of the smart TV
  • connection cable is used to separate the HDMI signal in the proprietary interface, so that the signal of the proprietary interface is suitable for signal transmission of the HDMI interface.
  • the proprietary interface is capable of supporting transmission of three sets of Transition Minimized Differential Signaling (TMDS) and a set of independent TMDS clock signals.
  • TMDS Transition Minimized Differential Signaling
  • TMDS refers to the conversion of raw signal data into 10 bits by XOR and XOR logic algorithms.
  • the first 8 bits of data are obtained from the original signal, the 9th bit indicates the operation mode, and the 10th bit is used to correspond to the DC balance. (DC-balanced), the converted data is transmitted in differential transmission.
  • the three sets of TMDS are used to convert the RGB video signal into a serial signal of data.
  • the receiving device then decodes the serial signal into parallel data, and finally converts it into an 8-bit video signal to transmit data.
  • the TMDS clock signal is used to ensure transmission. The uniform timing of the time.
  • the HDMI interface is a dedicated digital interface.
  • the HDMI interface is suitable for image transmission. It can transmit audio and video signals at the same time. It does not need to perform digital/analog or analog/digital conversion before signal transmission to ensure the highest quality audio and video signal transmission. Therefore, HDMI is widely used in set-top boxes, personal computers and TVs. Equipment such as amusement instruments, digital audio and televisions.
  • Connection cable including TMDS0 channel, TMDS1 channel, TMDS2 channel and TMDS clock channel; the TMDS0 channel, TMDS1 channel, TMDS2 channel and TMDS clock channel will pass through the three sets of TMDS signals and TMDS clock signals received in the proprietary interface.
  • the HDMI signal is separated and the separated HDMI signal is transmitted to the HDMI interface.
  • TMDS0 channel (D0), TMDS1 channel (D1), TMDS2 channel (D2) and TMDS clock channel (CLK) are separately shielded and will pass through the proprietary interface.
  • the received three sets of TMDS signals and the HDMI signals in the TMDS clock signal are separated to meet the HDMI protocol transmission wire control requirements as shown in FIG. 4, so that the separated HDMI signals can be transmitted to the HDMI interface.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 5 is a schematic flowchart of a method for a dedicated interface to an HDMI interface according to an embodiment of the present application.
  • the method of the present application includes:
  • step 51 the connection is adapted through a proprietary interface and a proprietary interface of the Soundbar.
  • the proprietary interface is capable of supporting the transmission of three sets of TMDs and a set of independent TMDS clock signals.
  • the three sets of TMDS are used to convert the RGB video signal into a serial signal of data.
  • the receiving device then decodes the serial signal into parallel data, and finally converts it into an 8-bit video signal to transmit data.
  • the TMDS clock signal is used to ensure transmission. The uniform timing of the time.
  • Step 52 adapting the connection through the HDMI interface and the HDMI interface of the smart TV.
  • the HDMI interface is suitable for image transmission, and can transmit audio and video signals at the same time, without digital/analog or analog/digital conversion before signal transmission, ensuring the highest quality video and audio signal transmission. Therefore, HDMI is widely applicable to set-top boxes. , personal computers, TV games, digital audio and television sets.
  • step 53 the HDMI signal in the proprietary interface is separated, so that the signal of the proprietary interface is suitable for signal transmission on the HDMI interface.
  • the three sets of TMDS signals received in the TMDS0 channel, the TMDS1 channel, the TMDS2 channel, and the TMDS clock channel through the proprietary interface are separated from the HDMI signals in the TMDS clock signal, and the separated HDMI signals are transmitted. Give the HDMI interface.
  • the embodiment of the present application provides a Soundbar data line of a dedicated interface to an HDMI interface, which is used to solve the defect that the Soundbar having only a proprietary interface in the prior art has no universal applicability, and implements a proprietary interface through a dedicated interface to an HDMI interface.
  • the video output of Soundbar and flat-panel TVs with HDMI interface improves the general applicability of Soundbar with proprietary interface.
  • the device embodiments described above are merely illustrative, wherein the modules described as separate components may or may not be physically separate, and the components displayed as modules may or may not be physical modules, ie may be located A place, or it can be distributed to multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

一种专用接口转HDMI接口的方法和装置，其中装置包括：专有接口，设置为和条状音箱的专有接口适配连接；HDMI接口，设置为和智能电视的HDMI接口适配连接；连接线缆，设置为将通过所述专有接口接收的条状音箱信号中的HDMI信号分离出来，并将分离出来的HDMI信号通过所述HDMI接口传输给智能电视。本申请实施例通过专用接口转HDMI接口实现具有专有接口的Soundbar和具有HDMI接口的智能电视的视频输出，提高具有专有接口的Soundbar的普遍适用性。

Description

一种专用接口转HDMI接口的方法和装置
本申请要求于2015年12月14日提交中国专利局、申请号为2015109439292，发明名称为“一种专用接口转HDMI接口的方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及视频接口技术领域，尤其涉及一种专用接口转高清晰度多媒体接口(HDMI，High Definition Multimedia Interface)接口的方法和装置。
背景技术
智能电视的普及率已经越来越高，不仅画质更加高清和逼真，功能也更强大，例如支持在线影音点播、云同步、在线下载等功能，用户可以更加主动的去选择自己喜欢的节目。
智能平板电视已经普及，并且由于技术的飞跃发展，电视机的厚度越来越薄。一直以来，与上述这些优点形成鲜明反差的却是音质，声音表现一直是电视机的硬伤，尤其是对于机身纤薄的平板电视来说，想要做到震撼的音效，不仅仅是技术的局限，电视厂商在这方面也无能为力。虽然带给了人们高清及超薄的视觉享受，但在音质方面，很多使用智能平板电视的消费者都反映声音太小，反不如传统阴极射线管(CRT，Cathode Ray Tube)电视的音质饱满浑厚，使得消费者在听觉方面的享受无法得到满足。
其实造成智能平板电视声音太小，音质不够饱满浑厚的原因很简单，就是因为平板电视的喇叭太小。传统地，往往都会为平板电视搭建一个多声道环绕立体声系统，例如家庭影院，以营造更佳的听音氛围。但是，这样做需要考虑房间大小以及穿孔布线等因素，不仅杂乱占面积，且价格比较贵，对消费者来说并不是一个很好的选择。
因此，专为弥补平板电视音质不足的条状音箱(Soundbar)将大行其道。Soundbar是指将多个声道的音箱，功放整合在一个箱体内的长条状音箱，它至少具有以下的优点：
Soundbar中每个通道都有独立的腔体，保障良好的隔离和分离度；
Soundbar比较小巧，摆放和移动都非常的方便，可以把它摆放在电视前面，也可以把它挂在墙面上；而且具有各种不同形状、尺寸和类型，并可以 按照平板电视的尺寸进行个性设计，从而能够与平板电视形成一体化的视觉效果；
Soundbar能够支持多种功能，其中提供的功能通常可以包括：模拟环绕声、真实环绕声、HDMI输入、数字与模拟音频输入、通用串行总线(Universal Serial Bus，USB)端口、蓝牙支持和低音炮等等；
Soundbar的连接和操控非常简单，而且布线也十分简洁，绝对不会像家庭影院那样，音响周围全是杂乱的连线，严重影响视觉效果，Soundbar音箱通常只需要一根连接线就可以完成与平板电视的连接；
相比较于家庭影院，Soundbar的价格比较便宜，消费者比较容易接受。
但是，目前不同品牌或者不同型号的平板电视机显示屏和Soundbar之间的连接，一般采用专为该品牌或该型号设计的专有接口转专有接口的连接线。
例如，如图1所示的乐视MAX4-70电视显示屏和Soundbar之间的连接线，该连接线的两端运用的是乐视的专有接口转乐视的专有接口，从而实现视频从Soundbar到乐视MAX4-70电视显示屏的传输。
而在用户具体的应用上，由于受到财力与空间大小的限制，很可能不适于使用70英寸的乐视MAX4-70电视，而为乐视MAX4-70电视配置的乐视专有接口的Soundbar由于专有接口的原因不具有普遍使用性，如果消费者选择其他的平板电视，将不能和该乐视专有接口的Soundbar连接。
发明内容
本申请实施例提供一种专用接口转HDMI接口的方法和装置，用以解决现有技术中只具有专有接口的Soundbar不具有普遍适用性的缺陷，通过专用接口转HDMI接口实现具有专有接口的Soundbar和具有HDMI接口的智能电视的视频输出，提高具有专有接口的Soundbar的普遍适用性。
本申请实施例提供一种专用接口转HDMI接口的装置，包括：专有接口、HDMI接口、以及连接所述专有接口和所述HDMI接口的连接线缆，其中，
所述专有接口，设置为和条状音箱的专有接口适配连接；
所述HDMI接口，设置为和智能电视的HDMI接口适配连接；
所述连接线缆，设置为将通过所述专有接口接收的条状音箱信号中的HDMI信号分离出来，并将分离出来的HDMI信号通过所述HDMI接口传输给智能电视。
本申请实施例提供一种专用接口转HDMI接口的方法，包括：
通过专有接口和条状音箱的专有接口适配连接；
通过HDMI接口和智能电视的HDMI接口适配连接；
将通过所述专有接口接收的条状音箱信号中的HDMI信号分离出来，并将分离出来的HDMI信号通过所述HDMI接口传输给智能电视。
和现有技术相比，本申请实施例提供了专用接口转HDMI接口的Soundbar数据线，用以解决现有技术中只具有专有接口的Soundbar不具有普遍适用性的缺陷，通过专用接口转HDMI接口实现具有专有接口的Soundbar和具有HDMI接口的平板电视的视频输出，提高具有专有接口的Soundbar的普遍适用性。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为现有技术中专用接口转专用接口的Soundbar数据线的示意图；
图2为本申请实施例中专用接口转HDMI接口的装置的结构示意图；
图3为本申请实施例中专用音视频信号分离HDMI信号的示意图；
图4为本申请实施例中HDMI协议传输线材控制要求的示意图；
图5为本申请实施例中专用接口转HDMI接口的方法的流程示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
实施例一：
图2为本申请实施例中专用接口转HDMI接口的装置的结构示意图。
在本申请的具体实施例中，该专用接口转HDMI接口的装置可以是Soundbar和智能电视之间的数据线，用以连接具有专有接口的Soundbar和具 有HDMI接口的智能电视，实现具有专有接口的Soundbar和具有HDMI接口的智能电视的视频输出。
如图2所示，本申请实施例中的专用接口转HDMI接口的装置包括：专有接口、HDMI接口、以及连接专有接口和HDMI接口的连接线缆，其中，
专有接口，用于和Soundbar的专有接口适配连接；
HDMI接口，用于和智能电视的HDMI接口适配连接；
连接线缆，用于将专有接口中的HDMI信号分离出来，使专有接口的信号适用于HDMI接口的信号传输。
具体地，专有接口，能够支持传输三组最小化传输差分信号(TMDS，Transition Minimized Differential Signaling)和一组独立的TMDS时钟(clock)信号的传输。
TMDS是指通过异或及异或非等逻辑算法将原始信号数据转换成10位，前8位数据由原始信号经运算后获得，第9位指示运算的方式，第10位用来对应直流平衡(DC-balanced)，转换后的数据以差分传动方式传送。
三组TMDS用于将RGB视频信号转化为数据的串行信号，接受装置端再对串行信号解码成并行数据，最后在转换成8位的视频信号来传输数据，TMDS clock信号用于保证传输时的统一时序。
HDMI接口，是专用型数字化接口。
HDMI接口适合影像传输，可同时传送音频和影像信号，无需在信号传送前进行数/模或者模/数转换，保证最高质量的影音信号传送，因此，HDMI广泛的适用于机顶盒、个人电脑、电视游乐器、数字音响和电视机等装置。
连接线缆，包括TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道；该TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道，将通过专有接口中接收到的三组TMDS信号和TMDS clock信号中的HDMI信号分离出来，并将分离出的HDMI信号传递给HDMI接口。
专用音视频信号分离HDMI信号如图3所示，具体地，将TMDS0通道(D0)、TMDS1通道(D1)、TMDS2通道(D2)和TMDS clock通道(CLK)单独屏蔽，将通过专有接口中接收到的三组TMDS信号和TMDS clock信号中的HDMI信号分离出来，满足如图4所示的HDMI协议传输线材控制要求，从而能够将分离出来的HDMI信号传递给HDMI接口。
实施例二：
图5为本申请实施例中专用接口转HDMI接口的方法的流程示意图。
如图5所示，本申请的方法包括：
步骤51，通过专有接口和Soundbar的专有接口适配连接。
在本步骤中，专有接口能够支持传输三组TMD和一组独立的TMDS时钟信号的传输。三组TMDS用于将RGB视频信号转化为数据的串行信号，接受装置端再对串行信号解码成并行数据，最后在转换成8位的视频信号来传输数据，TMDS clock信号用于保证传输时的统一时序。
步骤52，通过HDMI接口和智能电视的HDMI接口适配连接。
在本步骤中，HDMI接口适合影像传输，可同时传送音频和影像信号，无需在信号传送前进行数/模或者模/数转换，保证最高质量的影音信号传送，因此，HDMI广泛的适用于机顶盒、个人电脑、电视游乐器、数字音响和电视机等装置。
步骤53，将专有接口中的HDMI信号分离出来，使专有接口的信号适用于HDMI接口的信号传输。
在本步骤中，将TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道中通过专有接口中接收到的三组TMDS信号和TMDS clock信号中的HDMI信号分离出来，并将分离出的HDMI信号传递给HDMI接口。
本申请实施例提供了专用接口转HDMI接口的Soundbar数据线，用以解决现有技术中只具有专有接口的Soundbar不具有普遍适用性的缺陷，通过专用接口转HDMI接口实现具有专有接口的Soundbar和具有HDMI接口的平板电视的视频输出，提高具有专有接口的Soundbar的普遍适用性。
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理模块，即可以位于一个地方，或者也可以分布到多个网络模块上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下，即可以理解并实施。

Claims (10)

  1. 一种专用接口转HDMI接口的装置，其特征在于，包括：专有接口、HDMI接口、以及连接所述专有接口和所述HDMI接口的连接线缆，其中，
    所述专有接口，设置为和条状音箱的专有接口适配连接；
    所述HDMI接口，设置为和智能电视的HDMI接口适配连接；
    所述连接线缆，设置为将通过所述专有接口接收的条状音箱信号中的HDMI信号分离出来，并将分离出来的HDMI信号通过所述HDMI接口传输给智能电视。
  2. 根据权利要求1所述的专用接口转HDMI接口的装置，其特征在于，所述专有接口能够支持接收传输三组TMDS信号和一组TMDS时钟信号。
  3. 根据权利要求1所述的专用接口转HDMI接口的装置，其特征在于，所述HDMI接口为专用型数字化接口。
  4. 根据权利要求1所述的专用接口转HDMI接口的装置，其特征在于，所述连接线缆，包括：TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道；
    通过所述TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道，将所述专有接口中接收到的三组TMDS信号和一组TMDS clock信号单独屏蔽，将三组TMDS信号和TMDS clock信号中的HDMI信号分离出来，并将分离出的HDMI信号传递给HDMI接口。
  5. 根据权利要求4所述的专用接口转HDMI接口的装置，其特征在于，所述分离出的HDMI信号满足协议传输线材控制要求。
  6. 一种专用接口转HDMI接口的方法，其特征在于，包括：
    通过专有接口和条状音箱的专有接口适配连接；
    通过HDMI接口和智能电视的HDMI接口适配连接；
    将通过所述专有接口接收的条状音箱信号中的HDMI信号分离出来，并将分离出来的HDMI信号通过所述HDMI接口传输给智能电视。
  7. 根据权利要求6所述的专用接口转HDMI接口的方法，其特征在于，所述专有接口能够支持接收传输三组TMDS信号和一组TMDS时钟信号。
  8. 根据权利要求6所述的专用接口转HDMI接口的方法，其特征在于，所述HDMI接口为专用型数字化接口。
  9. 根据权利要求6所述的专用接口转HDMI接口的方法，其特征在于，所述连接线缆，包括：TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道；
    通过所述TMDS0通道、TMDS1通道、TMDS2通道和TMDS clock通道，将所述专有接口中接收到的三组TMDS信号和一组TMDS clock信号单独屏蔽，将三组TMDS信号和TMDS clock信号中的HDMI信号分离出来，并将分离出的HDMI信号传递给HDMI接口。
  10. 根据权利要求9所述的专用接口转HDMI接口的方法，其特征在于，所述分离出的HDMI信号满足协议传输线材控制要求。
PCT/CN2016/088620 2015-12-14 2016-07-05 一种专用接口转hdmi接口的方法和装置 Ceased WO2017101334A1 (zh)

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