WO2015184882A1 - 一种机顶盒、机顶盒转接装置及方法 - Google Patents

一种机顶盒、机顶盒转接装置及方法 Download PDF

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Publication number
WO2015184882A1
WO2015184882A1 PCT/CN2015/074399 CN2015074399W WO2015184882A1 WO 2015184882 A1 WO2015184882 A1 WO 2015184882A1 CN 2015074399 W CN2015074399 W CN 2015074399W WO 2015184882 A1 WO2015184882 A1 WO 2015184882A1
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audio
video
top box
stream
switching device
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PCT/CN2015/074399
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English (en)
French (fr)
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雷强
张珂
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中兴通讯股份有限公司
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Publication of WO2015184882A1 publication Critical patent/WO2015184882A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

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  • the present invention relates to a set top box technology, and more particularly to a set top box, a set top box switching device and a method.
  • the embodiment of the invention provides a set top box, a set top box switching device and a method, so as to solve the problem that the existing set top box cannot realize the entertainment audio and video transfer function.
  • an embodiment of the present invention discloses a set top box switching device, including an audio and video input interface module, an audio and video splitter, an audio codec, a sound mixer, and an audio and video synthesizer, wherein:
  • the audio and video input interface module the first audio and video signal transmitted by the receiver top box, and sent to the audio and video separator;
  • the audio-video splitter performs a separation process on the audio and video streams on the first audio-video signal, and sends the first audio stream obtained after the separation process to the mixer, and the first obtained after the separation process Sending a video stream to the audio and video synthesizer;
  • the audio codec receives a voice signal of an external microphone and converts it into a second audio stream, and sends the voice signal to the mixer;
  • the mixer performs audio synthesis on the first audio stream and the second audio stream, and sends a third audio stream obtained by synthesizing the audio to the audio/video synthesizer;
  • the audio and video synthesizer performs audio and video synthesis on the third audio stream and the first video stream, and outputs the second audio and video stream obtained by synthesizing the audio and video through an audio and video output interface to the display.
  • the audio-video separator and the audio-video synthesizer are integrated in the same unit.
  • the foregoing apparatus further includes:
  • a human interface module configured to receive an operation instruction of the user and a status of the display device
  • the controller is configured to perform corresponding processing according to the operation instruction of the user, wherein the operation instruction of the user at least includes turning on the switching device, turning off the switching device, and setting the sound effect.
  • the controller controls the mixer to perform audio synthesis on the first audio stream and the second audio stream. Add user-set sound effects.
  • the embodiment of the invention further discloses a set top box, comprising a basic function module of the set top box, and the switching device as described above, wherein the switching device is connected to the basic function module of the set top box.
  • the embodiment of the invention further discloses a method for switching based on a set top box, comprising:
  • the first audio and video signal transmitted by the set top box of the set top box switching device the sound and video streams are separated and processed by the first audio and video signal, and after the separation processing, the first audio stream and the first video stream are obtained;
  • the set top box switching device receives the voice signal of the external microphone and converts it into a second audio stream
  • the set-top box switching device performs audio synthesis on the first audio stream and the second audio stream, and after the audio synthesis, obtains a third audio stream;
  • the set top box switching device performs audio and video synthesis on the third audio stream and the first video stream, and outputs the second audio and video stream obtained by synthesizing the audio and video through an audio and video output interface to the display.
  • the foregoing method further includes:
  • the switching device receives an operation instruction of the user, and performs corresponding processing according to the operation instruction of the user, wherein the operation instruction of the user at least includes turning on the switching device, turning off the switching device, and setting the sound effect.
  • the switching device when the operation instruction of the user is setting a sound effect, the switching device adds audio to the first audio stream and the second audio stream, and further adds a user setting. Sound effects.
  • the embodiment of the present invention further provides a computer readable storage medium, where the storage medium stores a computer program, the computer program includes program instructions, when the program instruction is executed by the set top box device, enabling the device to perform the above set top box based transfer The method of connection.
  • the technical solution of the present application implements a entertainment audio and video transfer function for a set top box user, for example, a karaoke transfer function.
  • FIG. 1 is a schematic diagram of an external interface of an adapter device according to an embodiment of the present invention.
  • FIG. 2 is an internal block diagram of a switching device according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of an initialization operation of the switching device according to an embodiment of the present invention.
  • the embodiment provides a set-top box switching device, which can extend the audio and video interface (such as the HDMI interface) of the existing smart set-top box, thereby implementing the switching function of the entertainment audio and video on the user's television.
  • the karaoke function can be realized to realize the fun of home karaoke, which mainly includes an audio and video input interface module, an audio and video splitter, an audio codec, a sound mixer, and an audio and video synthesizer, wherein:
  • the audio and video input interface module, the first audio and video signal transmitted by the receiver top box is transmitted to the audio and video separator;
  • the audio and video separator performs audio and video separation processing on the first audio and video signal, and separates and processes the first audio stream and the first video stream, and transmits the first audio stream to the mixer, and the first video stream Transfer to the audio and video synthesizer;
  • An audio codec that receives a voice signal of an external microphone and converts it into a second audio stream and sends it to the mixer;
  • the received first audio stream and the second audio stream are subjected to audio synthesis, and the third audio stream obtained by synthesizing the audio is sent to the audio/video synthesizer;
  • the audio and video synthesizer combines the third audio sent by the mixer with the first video stream sent by the audio splitter, and transmits the second audio and video signal synthesized by the audio and video to the display for display.
  • the display is generally a television, a computer monitor, and the like.
  • the audio and video splitter is used in conjunction with the audio and video synthesizer in practical applications, the above audio and video splitter and the audio and video splitter can be integrated in the same unit.
  • the device may further include: a human interface module, providing an interaction interface with the user to receive an operation instruction of the user, and the provided interaction interface may be in the form of a button, an indicator light, a display or a touch screen. Users can set the desired sound effects through this interface, as well as the status of the device.
  • a human interface module providing an interaction interface with the user to receive an operation instruction of the user
  • the provided interaction interface may be in the form of a button, an indicator light, a display or a touch screen. Users can set the desired sound effects through this interface, as well as the status of the device.
  • the controller including the processor, the program storage device and the data storage device, is responsible for initializing various parts of the device, and further accepts input and output of the human interface module, and performs corresponding processing according to the operation instruction of the user, wherein the operation instruction of the user At least include turning on the adapter, turning off the adapter, and setting the sound effects.
  • the controller initializes each of the foregoing devices into an active state
  • the controller turns off the above devices
  • the controller controls the mixer to perform audio synthesis on the first audio stream and the second audio stream, and adds the sound effect set by the user, that is, the third audio stream obtained after the audio synthesis is included.
  • User-set sound effects When the user's operation instruction is to set the sound effect, the controller controls the mixer to perform audio synthesis on the first audio stream and the second audio stream, and adds the sound effect set by the user, that is, the third audio stream obtained after the audio synthesis is included.
  • FIG. 1 is a schematic diagram showing the interface connection between the parts of the above conversion device and the outside in a preferred embodiment.
  • the set-top box switching device receives the smart set-top box through an audio/video input interface (such as an HDMI input interface).
  • the first audio and video signal passed that is, the background audio and video, is separated to obtain a first audio stream (ie, a background sound) and a first video stream (ie, a background picture).
  • the voice signal sent by the microphone is received, and the voice signal is converted into a second audio stream (ie, a human voice), and the voice signals of the two are mixed (the background sound and the human voice are combined, and a certain sound effect, such as an echo, is added.
  • the audio and video output interface (such as The HDMI output interface is output to the TV.
  • the human-machine interface is used to display the working status of the device and receive the user's operation (such as the setting of the sound effect).
  • the power supply section provides energy to the unit through the power input interface.
  • the audio and video input interface (such as the HDMI input interface) sends audio and video streams to the audio/video separation/synthesizer, and the audio/video separation/synthesizer will audio.
  • the stream is separated and sent to the mixer, and the audio codec receives the voice signal of the external microphone and converts it into a digital audio stream and also to the mixer.
  • the two synthesize the audio stream through the mixer add the specified sound effect, send the synthesized audio stream to the audio/video separation/synthesizer to synthesize the audio stream and the video stream, and finally send the newly synthesized audio and video stream to the audio and video.
  • the output interface is output to the TV to achieve entertainment effects (such as karaoke effects).
  • the human machine interface is used to reflect the status of the device and receive operational instructions from the user.
  • the controller is used to initialize the various components in the block diagram to bring it to normal operation.
  • the power interface provides the device with the energy it needs to function properly.
  • the working process of the set top box switching device shown in FIG. 2 is as shown in FIG. 3, and includes the following operations:
  • Step 301 The controller performs its own initialization.
  • pins which pins are used as communication ports to communicate with other parts, which pins do IO control, set specific working timing, and how many operating frequencies (such as I2C interface, the rate can be set to 400kHz) Communicate with other parts and when to perform IO port operations.
  • Step 302 The controller communicates with the communication port of the human-machine interface. After the connection is successful, the key value information of the keyboard, the interrupt processing of the keyboard, and the setting of the display are set.
  • the setting of the display includes the setting of the display buffer, and the setting of the display display parameter, such as the number of pixels, the display area, and the timing parameters of the display.
  • Step 303 initialization of the audio/video separation/synthesizer
  • Step 304 Initialization of the mixer
  • Step 305 Initialization of an audio codec
  • the encoding and decoding of the audio is also completed by the hardware, and does not occupy the controller resources.
  • Step 306 After the setting is completed, confirm whether the initialization is completed (if the controller receives the response signal of the above device after the controller is set), if there is a problem, it is necessary to re-initialize, and if it is completed, enter the working mode.
  • the existing smart set-top box as well as the TV and microphone, can be connected to the karaoke function.
  • the embodiment further provides a set top box, which comprises at least: a basic function module and a switching device of the set top box connected to each other.
  • the switching device has the same function and the same structure as the set top box switching device.
  • the embodiment provides a set-top box switching method, which can be implemented according to the foregoing switching device, and mainly includes the following operations:
  • the set top box switching device receives the first audio and video signal transmitted by the smart set top box, and the voice signal transmitted by the external microphone;
  • the set-top box switching device performs audio and video stream separation processing on the first audio and video signal, separates the first audio stream and the first video stream, and converts the voice signal transmitted by the external microphone into a second audio stream, which is separated.
  • the set-top box switching device combines the audio-synthesized third audio stream and the separated first video stream into audio and video, and outputs the synthesized second audio-video stream to the display.
  • the display is generally a device such as a television or a computer monitor.
  • the set top box switching device may further receive an operation instruction of the user, and perform corresponding processing according to the operation instruction of the user, wherein the operation instruction of the user at least includes turning on the switching device, turning off the switching device, and setting the sound effect.
  • the set-top box switching device is initialized to enter a working state
  • the set top box switching device turns off the device
  • the sound effect set by the user may also be added, that is, the obtained third audio stream includes the sound effect set by the user. effect.
  • the foregoing method can be implemented according to the switching device provided in the foregoing Embodiment 1, and the specific implementation process of the method can be referred to the corresponding content in the foregoing Embodiment 1, and details are not described herein again.
  • the set top box and the set top box switching device and method provided by the embodiments of the present invention are connected to the set top box
  • the received audio and video are separated to obtain an audio signal and a video signal
  • the audio signal is mixed with the audio signal input by the microphone
  • the mixed audio signal is synthesized with the video signal, and then output to the display.
  • the device can realize entertainment audio and video transfer function for set-top box users.

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

Abstract

一种机顶盒、机顶盒转接装置及方法，为机顶盒用户实现娱乐音视频转接功能。本发明实施例公开的机顶盒转接装置，包括音视频输入接口模块，接收机顶盒传送的第一音视频信号；音视频分离器，对第一音视频信号进行音、视频流的分离处理，得到第一音频流、第一视频流；音频编解码器，接收外部麦克风的语音信号并转换为第二音频流；混音器，对第一音频流与第二音频流，进行音频合成，得到第三音频流；音视频合成器，对第三音频流与第一视频流，进行音视频合成，得到第二音视频流，并通过音视频输出接口输出至显示器。本发明实施例还公开了一种机顶盒以及基于机顶盒的转接方法。

Description

一种机顶盒、机顶盒转接装置及方法 技术领域
本发明涉及机顶盒技术，尤其涉及一种机顶盒、机顶盒转接装置及方法。
背景技术
目前随着智能机顶盒的发展，家庭的娱乐方式正在发生巨大的变化，卡拉ok一直是专业的领域，很少涉及家庭应用，目前市面上大部分的智能机顶盒在家庭的应用主要是可以看网络电视节目，打网络游戏，没有卡拉ok功能，缺少家庭成员集体参与的项目，在目前智能机顶盒的基础上增加扩展设备，实现卡拉ok功能，通过电视机显示，提供k歌房的音响效果。不出门就可以亲朋好友一起K歌。
发明内容
本发明实施例提供一种机顶盒、机顶盒转接装置及方法，以解决现有机顶盒无法实现娱乐音视频转接功能的问题。
为了解决上述技术问题，本发明实施例公开了一种机顶盒转接装置，包括音视频输入接口模块、音视频分离器、音频编解码器、混音器以及音视频合成器，其中：
所述音视频输入接口模块，接收机顶盒传送的第一音视频信号，并发送给所述音视频分离器；
所述音视频分离器，对所述第一音视频信号进行音、视频流的分离处理，并将分离处理后得到的第一音频流发送给所述混音器，将分离处理后得到的第一视频流发送给所述音视频合成器；
所述音频编解码器，接收外部麦克风的语音信号并转换为第二音频流，发送给所述混音器；
所述混音器，对所述第一音频流与所述第二音频流，进行音频合成，并将音频合成后得到的第三音频流发送给所述音视频合成器；
所述音视频合成器，对所述第三音频流与所述第一视频流，进行音视频合成，并将音视频合成后得到的第二音视频流通过音视频输出接口输出至显示器。
可选地，上述装置中，所述音视频分离器和音视频合成器集成在同一单元中。
可选地，上述装置还包括：
人机接口模块，设置为接收用户的操作指令以及显示装置的状态；
控制器，设置为根据用户的操作指令进行相应的处理，其中，用户的操作指令至少包括开启转接装置、关闭转接装置以及设置音效效果。
可选地，上述装置中，所述用户的操作指令为设置音效效果时，所述控制器控制所述混音器对所述第一音频流与所述第二音频流，进行音频合成时，加入用户设置的音效。
本发明实施例还公开了一种机顶盒，包括机顶盒基本功能模块，以及如上所述的转接装置，所述转接装置与所述机顶盒基本功能模块相连。
本发明实施例还公开了一种基于机顶盒的转接方法，包括：
机顶盒转接装置接收机顶盒传送的第一音视频信号,对所述第一音视频信号进行音、视频流的分离处理，分离处理后，得到第一音频流和第一视频流；
同时，所述机顶盒转接装置接收外部麦克风的语音信号并转换为第二音频流；
所述机顶盒转接装置，对所述第一音频流与所述第二音频流，进行音频合成，音频合成后，得到第三音频流；
所述机顶盒转接装置，对所述第三音频流与所述第一视频流，进行音视频合成，将音视频合成后得到的第二音视频流通过音视频输出接口输出至显示器。
可选地，上述方法还包括：
所述转接装置接收用户的操作指令，根据所述用户的操作指令进行相应的处理，其中，用户的操作指令至少包括开启转接装置、关闭转接装置以及设置音效效果。
可选地，上述方法中，所述用户的操作指令为设置音效效果时，所述转接装置对所述第一音频流与所述第二音频流，进行音频合成时，还加入用户设置的音效。
本发明实施例还提供一种计算机可读存储介质，所述存储介质存储有计算机程序，该计算机程序包括程序指令，当该程序指令被机顶盒设备执行时，使得该设备可执行上述基于机顶盒的转接的方法。
本申请技术方案为机顶盒用户实现了娱乐音视频转接功能，例如，卡拉OK转接功能。
附图概述
图1为本发明实施例的转接装置的外部接口示意图；
图2为本发明实施例的转接装置的内部框图；
图3为本发明实施例的转接装置的初始化工作流程图。
本发明的较佳实施方式
下文将结合附图对本发明技术方案作进一步详细说明。需要说明的是，在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。
实施例1
本实施例提供一种机顶盒转接装置，可通过对现有智能机顶盒的音视频接口(如HDMI接口)进行扩展，从而在用户的电视机上实现娱乐音视频的转接功能。例如，可实现卡拉OK功能，实现在家K歌的乐趣，其主要包括音视频输入接口模块、音视频分离器、音频编解码器、混音器以及音视频合成器，其中：
音视频输入接口模块，接收机顶盒传送的第一音视频信号，传送给音视频分离器；
音视频分离器，对第一音视频信号进行音、视频分离处理，分离处理后得到第一音频流和第一视频流，将第一音频流传送给混音器，将第一视频流 传送给音视频合成器；
音频编解码器，接收外部麦克风的语音信号并转换为第二音频流，并发送给混音器；
混音器，将收到的第一音频流与第二音频流，进行音频合成，并将音频合成后得到的第三音频流发送给音视频合成器；
音视频合成器，将混音器发送的第三音频，与音频分离器发送的第一视频流进行音视频合成，将音视频合成得到的第二音视频信号传送给显示器进行显示。
其中，显示器一般为电视机、电脑显示器等。
另外，由于实际应用中，音视频分离器与音视频合成器是配套使用的，因此上述音视频分离器和音视频分离器可以集成在同一单元中实现。
较佳地，上述装置还可以还包括：人机接口模块，提供与用户的交互界面以接收用户的操作指令，提供的交互界面可以是按键、指示灯，显示器或者触摸屏的形式。用户可以通过此接口设置想要的音响效果，也可以获知设备的状态。
控制器，包括处理器、程序存储设备和数据存储设备，负责初始化装置等各个部分，另外还接受人机接口模块的输入和输出，根据用户的操作指令进行相应的处理，其中，用户的操作指令至少包括开启转接装置、关闭转接装置以及设置音效效果。
具体地，用户的操作指令为开启转接装置时，控制器初始化上述各个器件进入工作状态；
用户的操作指令为关闭转接装置时，控制器关闭上述各个器件；
用户的操作指令为设置音效效果时，控制器控制混音器对第一音频流与第二音频流进行音频合成时，加入用户设置的音效，即音频合成后得到的第三音频流中包含了用户设置的音效效果。
下面结合附图对上述装置作进一步详细说明。
图1所示为较佳方案中上述转换装置各部分与外部的接口连接示意图。机顶盒转接装置通过音视频输入接口(如HDMI输入接口)接收智能机顶盒 传过来的第一音视频信号，即背景音视频，对其分离得到第一音频流(即背景音)和第一视频流(即背景画面)。同时接收麦克风送来的语音信号，此语音信号转换后为第二音频流(即人声)，对两者语音信号混音(背景音和人的声音合成，另外加入某种声音效果，如回音、环绕音效)后和第一视频流信号再进行音视频合成(将混音后的音频数据和视频数据合成为新的音视频信号，即第二音视频流)，从音视频输出接口(如HDMI输出接口)输出给电视机，人机接口用于显示装置的工作状态、接收用户的操作(如音效的设置)。电源供电部分通过电源输入接口为装置提供能量。
图2所示较佳方案所提供的机顶盒转接装置的内部框图，音视频输入接口(如HDMI输入接口)将音频、视频流送给音视频分离/合成器，音视频分离/合成器将音频流分离出来送给混音器，同时音频编解码器接收外部麦克风的语音信号并转换为数字音频流也送给混音器。两者通过混音器将音频流合成，加入指定的音效，将合成的音频流送给音视频分离/合成器进行音频流和视频流的合成，最后将新合成的音视频流送给音视频输出接口输出至电视机，从而达到了娱乐效果(例如卡拉OK的效果)。人机接口用于反映装置的状态和接收用户的操作指令。控制器用于初始化框图中的各个器件，使其达到正常工作的状态。电源接口为装置提供正常工作所需的能量。
图2所示机顶盒转接装置的工作过程如图3所示，包括如下操作：
步骤301：控制器做自身的初始化；
例如，对管脚进行设置，哪些管脚做为通讯端口与其他几部分进行通信，哪些管脚做IO控制，设置具体的工作时序，以多少的工作频率(如I2C接口，速率可设置400kHz)与其他几部分进行通讯，什么时间进行IO端口的操作。
步骤302：控制器和人机接口的通信端口进行通讯，连接成功后，设置键盘的键值信息，键盘的中断处理以及显示器的设置。
其中，显示器的设置包括显示缓冲区的设置，显示器显示参数的设置，如多大像素、显示区域，显示器的时序参数。
步骤303：音视频分离/合成器的初始化；
具体地，设置必要的端口分配(如哪个端口为输入，哪个端口为输出)、速率(传输数据的速率)设置等。接下来的分离和合成工作由硬件电路完成，不占用控制器资源。
步骤304：混音器的初始化；
具体地，设置混音器的管脚配置(哪些引脚做为输入，哪些引脚做为输出)、工作方式(进行哪种音效处理)等信息，设置完成后，混音的具体执行过程也是由硬件电路完成，不占用控制器资源。
步骤305：音频编解码器的初始化；
具体地，包括管脚的配置，内部寄存器的设置(如设置采样率、AD转换的速率等)，设置完成后，音频的编解码工作也是由硬件完成，不占用控制器资源。
步骤306：设置完成后确认初始化是否完成(如控制器设置完成后是否收到如上器件的应答信号)，如果有问题需要重新进行初始化，如果完成则进入工作模式。
在工作模式中，连接现有的智能机顶盒以及电视机，麦克风，就可以实现卡拉OK功能。
还要说明的是，上述机顶盒转接装置也可以内置在机顶盒中，从而成为一种新的机顶盒。因此，本实施例还提供一种机顶盒，至少包括：相互连接的机顶盒基本功能模块和转接装置。其中，转接装置与上述机顶盒转接装置的功能相同，结构相同。
实施例2
本实施例提供一种机顶盒转接方法，可依据上述转接装置实现，其主要包括如下操作：
机顶盒转接装置接收智能机顶盒传送的第一音视频信号，以及外部麦克风传送的语音信号；
机顶盒转接装置对第一音视频信号进行音、视频流分离处理，分离处理后得到的第一音频流和第一视频流，并将外部麦克风传送的语音信号转换为第二音频流，将分离出的第一音频流、转换后的第二音频流，进行音频合成， 得到第三音频流；
机顶盒转接装置将音频合成后的第三音频流和分离处理后的第一视频流进行音视频合成，将合成后得到的第二音视频流输出至显示器。
其中，显示器一般为电视机或电脑显示器等设备。
另外，上述机顶盒转接装置还可以接收用户的操作指令，根据用户的操作指令进行相应的处理，其中，用户的操作指令至少包括开启转接装置、关闭转接装置以及设置音效效果。
具体地，用户的操作指令为开启转接装置时，机顶盒转接装置初始化进入工作状态；
用户的操作指令为关闭转接装置时，机顶盒转接装置关闭本装置；
用户的操作指令为设置音效效果时，机顶盒转接装置对第一音频流和第二音频进行音频合成时，还可以加入用户设置的音效，即得到的第三音频流中包含有用户设置的音效效果。
由于上述方法可依据上述实施例1中提供的转接装置实现，故此方法的具体实现过程可参见上述实施例1的相应内容，在此不再赘述。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件完成，所述程序可以存储于计算机可读存储介质中，如只读存储器、磁盘或光盘等。可选地，上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。相应地，上述实施例中的各模块/单元可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。本申请不限制于任何特定形式的硬件和软件的结合。
以上所述，仅为本发明的较佳实例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提供的机顶盒、机顶盒转接装置及方法，通过对机顶盒接 收的音视频进行分离，得到音频信号和视频信号，将该音频信号与麦克风输入的音频信号进行混频，并将混频后的音频信号与所述视频信号进行音视频合成，然后输出到显示设备，可以为机顶盒用户实现娱乐音视频转接功能。

Claims (9)

  1. 一种机顶盒转接装置，包括音视频输入接口模块、音视频分离器、音频编解码器、混音器以及音视频合成器，其中：
    所述音视频输入接口模块，接收机顶盒传送的第一音视频信号，并发送给所述音视频分离器；
    所述音视频分离器，对所述第一音视频信号进行音、视频流的分离处理，并将分离处理后得到的第一音频流发送给所述混音器，将分离处理后得到的第一视频流发送给所述音视频合成器；
    所述音频编解码器，接收外部麦克风的语音信号并转换为第二音频流，发送给所述混音器；
    所述混音器，对所述第一音频流与所述第二音频流，进行音频合成，并将音频合成后得到的第三音频流发送给所述音视频合成器；
    所述音视频合成器，对所述第三音频流与所述第一视频流，进行音视频合成，并将音视频合成后得到的第二音视频流通过音视频输出接口输出至显示器。
  2. 如权利要求1所述的装置，其中，所述音视频分离器和音视频合成器集成在同一单元中。
  3. 如权利要求1或2所述的装置，还包括：
    人机接口模块，设置为接收用户的操作指令以及显示装置的状态；
    控制器，设置为根据用户的操作指令进行相应的处理，其中，用户的操作指令至少包括开启转接装置、关闭转接装置以及设置音效效果。
  4. 如权利要求3所述的装置，其中，
    所述用户的操作指令为设置音效效果时，所述控制器控制所述混音器对所述第一音频流与所述第二音频流，进行音频合成时，加入用户设置的音效。
  5. 一种机顶盒，包括机顶盒基本功能模块，还包括如上述要求1至4所述的转接装置，所述转接装置与所述机顶盒基本功能模块相连。
  6. 一种基于机顶盒的转接方法，包括：
    机顶盒转接装置接收机顶盒传送的第一音视频信号,对所述第一音视频信号进行音、视频流的分离处理，分离处理后，得到第一音频流和第一视频流；
    同时，所述机顶盒转接装置接收外部麦克风的语音信号并转换为第二音频流；
    所述机顶盒转接装置，对所述第一音频流与所述第二音频流，进行音频合成，音频合成后，得到第三音频流；
    所述机顶盒转接装置，对所述第三音频流与所述第一视频流，进行音视频合成，将音视频合成后得到的第二音视频流通过音视频输出接口输出至显示器。
  7. 如权利要求6所述的方法，还包括：
    所述转接装置接收用户的操作指令，根据所述用户的操作指令进行相应的处理，其中，用户的操作指令至少包括开启转接装置、关闭转接装置以及设置音效效果。
  8. 如权利要求7所述的方法，其中，
    所述用户的操作指令为设置音效效果时，所述转接装置对所述第一音频流与所述第二音频流，进行音频合成时，还加入用户设置的音效。
  9. 一种计算机可读存储介质，所述存储介质存储有计算机程序，该计算机程序包括程序指令，当该程序指令被机顶盒设备执行时，使得该设备可执行权利要求6-8任一项的方法。
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