CN112702549A

CN112702549A - Sound output method and display device

Info

Publication number: CN112702549A
Application number: CN202011554903.6A
Authority: CN
Inventors: 陈俊宁; 陈益军
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-23
Anticipated expiration: 2040-12-24
Also published as: CN112702549B

Abstract

The embodiment provides a sound output method and a display device. The display equipment comprises an audio processor, and when the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode that the loudspeaker and the external loudspeaker box emit sound simultaneously, bass data are extracted from received sound data, and the sound data are sent to the loudspeaker, so that the loudspeaker emits sound according to the sound data. Simultaneously, the bass data are sent to the external sound box, so that the external sound box makes sound according to the bass data. And when the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode in which the loudspeaker emits sound independently, the sound data is directly sent to the loudspeaker, so that the loudspeaker emits sound according to the sound data. According to the embodiment of the application, a special bass sound box is not needed, and the effect of independent bass output can be realized only by using a common sound box, so that the audio-visual experience of a user is improved.

Description

Sound output method and display device

Technical Field

The present application relates to the field of sound processing technologies, and in particular, to a sound output method and a display device.

Background

Along with the continuous improvement of the leisure and entertainment requirements of people, the requirements of people on the playing tone quality of media files such as music and videos are higher and higher, and the requirements on the quality of sound box equipment are also higher and higher. The sound box can output sound in different audio frequency ranges such as bass, middle-pitch, treble and the like. The bass audio frequency range of the sound box is 30 Hz to 150 Hz, and the middle-high audio frequency range is 150 Hz to 20000 Hz.

The existing smart television is generally only provided with two loudspeakers and only provided with a left sound channel and a right sound channel, so that the effect of bass output cannot be realized, and the audio-visual experience of a user is poor. In order to realize bass output, the display device may be connected to a USB Dongle (wireless USB Dongle), and send bass audio data to the external speaker through the USB Dongle.

However, in the above scheme, the audio signal sending module needs to be arranged at the display device end, and the audio signal receiving module is arranged at the external speaker end, so that the cost is high. In addition, in the above solutions, a dedicated speaker capable of filtering bass audio data is required. If the common loudspeaker box which can not filter bass audio data is externally connected, the purpose of independently outputting bass cannot be realized, and the audio-visual experience of a user is poor.

Disclosure of Invention

The application provides a sound output method and display equipment, which are used for solving the problems that the purpose of independently outputting bass cannot be realized and the audio-visual experience of a user is poor if the conventional display equipment is externally connected with a common sound box which cannot filter bass audio data.

In a first aspect, the present embodiment provides a display device comprising,

a display;

a speaker;

an audio processor to perform:

receiving sound data and a sound-emitting mode instruction input by a user through a user input interface, extracting bass data from the sound data when a sound-emitting mode indicated by the sound-emitting mode instruction is a sound-emitting mode in which the loudspeaker and an external sound box emit sound simultaneously, sending the sound data to the loudspeaker, and sending the bass data to the external sound box, wherein the external sound box is a sound box device externally connected to the display equipment;

and when the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode of the speaker for emitting sound independently, sending the sound data to the speaker.

In a second aspect, the present embodiment provides a sound output method, which is applied to a display device, and includes:

receiving sound data and a sound-emitting mode instruction input by a user through a user input interface, extracting bass data from the sound data when the sound-emitting mode indicated by the sound-emitting mode instruction is a sound-emitting mode in which a loudspeaker and an external sound box emit sound simultaneously, sending the sound data to the loudspeaker, and sending the bass data to the external sound box, wherein the external sound box is a sound box device externally connected to the display equipment;

The display device that this application embodiment provided is when the mode of speaking that the mode instruction of receiving the mode of speaking instructs is the mode of speaking that speaker and external audio amplifier are simultaneously speaking, takes out bass data from the sound data that receive to and send sound data to speaker, so that speaker makes sound according to sound data. Simultaneously, the bass data are sent to the external sound box, so that the external sound box makes sound according to the bass data. And when the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode in which the loudspeaker emits sound independently, the sound data is directly sent to the loudspeaker, so that the loudspeaker emits sound according to the sound data. According to the embodiment of the application, a special bass sound box is not needed, and the effect of independent bass output can be realized only by using a common sound box, so that the audio-visual experience of a user is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 illustrates a usage scenario of a display device according to some embodiments;

fig. 2 illustrates a hardware configuration block diagram of the control apparatus 100 according to some embodiments;

fig. 3 illustrates a hardware configuration block diagram of the display apparatus 200 according to some embodiments;

FIG. 4 illustrates a software configuration diagram in the display device 200 according to some embodiments;

FIG. 5 illustrates an icon control interface display of an application in display device 200, in accordance with some embodiments;

fig. 6 shows a hardware configuration diagram of a sound output system according to some embodiments;

FIG. 7 illustrates a schematic user interface in a display device 200 according to some embodiments;

FIG. 8 illustrates a schematic user interface in a further display device 200 according to some embodiments;

FIG. 9 illustrates a sound output method signaling diagram according to some embodiments;

fig. 10 illustrates yet another sound output method signaling diagram in accordance with some embodiments.

Detailed Description

To make the purpose and embodiments of the present application clearer, the following will clearly and completely describe the exemplary embodiments of the present application with reference to the attached drawings in the exemplary embodiments of the present application, and it is obvious that the described exemplary embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.

The terms "first," "second," "third," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between similar or analogous objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements expressly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

The term "module" refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware or/and software code that is capable of performing the functionality associated with that element.

Fig. 1 is a schematic diagram of a usage scenario of a display device according to an embodiment. As shown in fig. 1, the display apparatus 200 is also in data communication with a server 400, and a user can operate the display apparatus 200 through the smart device 300 or the control device 100.

In some embodiments, the control apparatus 100 may be a remote controller, and the communication between the remote controller and the display device includes at least one of an infrared protocol communication or a bluetooth protocol communication, and other short-distance communication methods, and controls the display device 200 in a wireless or wired manner. The user may control the display apparatus 200 by inputting a user instruction through at least one of a key on a remote controller, a voice input, a control panel input, and the like.

In some embodiments, the smart device 300 may include any of a mobile terminal 300A, a tablet, a computer, a laptop, an AR/VR device, and the like.

In some embodiments, the smart device 300 may also be used to control the display device 200. For example, the display device 200 is controlled using an application program running on the smart device.

In some embodiments, the smart device 300 and the display device may also be used for communication of data.

In some embodiments, the display device 200 may also be controlled in a manner other than the control apparatus 100 and the smart device 300, for example, the voice instruction control of the user may be directly received by a module configured inside the display device 200 to obtain a voice instruction, or may be received by a voice control apparatus provided outside the display device 200.

In some embodiments, the display device 200 is also in data communication with a server 400. The display device 200 may be allowed to be communicatively connected through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 may provide various contents and interactions to the display apparatus 200. The server 400 may be a cluster or a plurality of clusters, and may include one or more types of servers.

In some embodiments, software steps executed by one step execution agent may be migrated on demand to another step execution agent in data communication therewith for execution. Illustratively, software steps performed by the server may be migrated to be performed on a display device in data communication therewith, and vice versa, as desired.

Fig. 2 exemplarily shows a block diagram of a configuration of the control apparatus 100 according to an exemplary embodiment. As shown in fig. 2, the control device 100 includes a controller 110, a communication interface 130, a user input/output interface 140, a memory, and a power supply. The control apparatus 100 may receive an input operation instruction from a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an interaction intermediary between the user and the display device 200.

In some embodiments, the communication interface 130 is used for external communication, and includes at least one of a WIFI chip, a bluetooth module, NFC, or an alternative module.

In some embodiments, the user input/output interface 140 includes at least one of a microphone, a touchpad, a sensor, a key, or an alternative module.

Fig. 3 shows a hardware configuration block diagram of the display apparatus 200 according to an exemplary embodiment.

In some embodiments, the display apparatus 200 includes at least one of a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, a memory, a power supply, a user interface.

In some embodiments the controller comprises a central processor, a video processor, an audio processor, a graphics processor, a RAM, a ROM, a first interface to an nth interface for input/output.

In some embodiments, the display 260 includes a display screen component for displaying pictures, and a driving component for driving image display, a component for receiving image signals from the controller output, displaying video content, image content, and menu manipulation interface, and a user manipulation UI interface, etc.

In some embodiments, the display 260 may be at least one of a liquid crystal display, an OLED display, and a projection display, and may also be a projection device and a projection screen.

In some embodiments, the tuner demodulator 210 receives broadcast television signals via wired or wireless reception, and demodulates audio/video signals, such as EPG data signals, from a plurality of wireless or wired broadcast television signals.

In some embodiments, communicator 220 is a component for communicating with external devices or servers according to various communication protocol types. For example: the communicator may include at least one of a Wifi module, a bluetooth module, a wired ethernet module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The display apparatus 200 may establish transmission and reception of control signals and data signals with the control device 100 or the server 400 through the communicator 220.

In some embodiments, the detector 230 is used to collect signals of the external environment or interaction with the outside. For example, detector 230 includes a light receiver, a sensor for collecting ambient light intensity; alternatively, the detector 230 includes an image collector, such as a camera, which may be used to collect external environment scenes, attributes of the user, or user interaction gestures, or the detector 230 includes a sound collector, such as a microphone, which is used to receive external sounds.

In some embodiments, the external device interface 240 may include, but is not limited to, the following: high Definition Multimedia Interface (HDMI), analog or data high definition component input interface (component), composite video input interface (CVBS), USB input interface (USB), RGB port, and the like. The interface may be a composite input/output interface formed by the plurality of interfaces.

In some embodiments, the controller 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box.

In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in memory. The controller 250 controls the overall operation of the display apparatus 200. For example: in response to receiving a user command for selecting a UI object to be displayed on the display 260, the controller 250 may perform an operation related to the object selected by the user command.

In some embodiments, the object may be any one of selectable objects, such as a hyperlink, an icon, or other actionable control. The operations related to the selected object are: displaying an operation connected to a hyperlink page, document, image, or the like, or performing an operation of a program corresponding to the icon.

In some embodiments the controller comprises at least one of a Central Processing Unit (CPU), a video processor, an audio processor, a Graphics Processing Unit (GPU), a RAM Random Access Memory (RAM), a ROM (Read-Only Memory), a first to nth interface for input/output, a communication Bus (Bus), and the like.

A CPU processor. For executing operating system and application program instructions stored in the memory, and executing various application programs, data and contents according to various interactive instructions receiving external input, so as to finally display and play various audio-video contents. The CPU processor may include a plurality of processors. E.g. comprising a main processor and one or more sub-processors.

In some embodiments, a graphics processor for generating various graphics objects, such as: at least one of an icon, an operation menu, and a user input instruction display figure. The graphic processor comprises an arithmetic unit, which performs operation by receiving various interactive instructions input by a user and displays various objects according to display attributes; the system also comprises a renderer for rendering various objects obtained based on the arithmetic unit, wherein the rendered objects are used for being displayed on a display.

In some embodiments, the video processor is configured to receive an external video signal, and perform at least one of video processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a signal displayed or played on the direct display device 200.

In some embodiments, the video processor includes at least one of a demultiplexing module, a video decoding module, an image composition module, a frame rate conversion module, a display formatting module, and the like. The demultiplexing module is used for demultiplexing the input audio and video data stream. And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like. And the image synthesis module is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display. And the frame rate conversion module is used for converting the frame rate of the input video. And the display formatting module is used for converting the received video output signal after the frame rate conversion, and changing the signal to be in accordance with the signal of the display format, such as an output RGB data signal.

In some embodiments, the audio processor is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform at least one of noise reduction, digital-to-analog conversion, and amplification processing to obtain a sound signal that can be played in the speaker.

In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on display 260, and the user input interface receives the user input commands through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.

In some embodiments, a "user interface" is a media interface for interaction and information exchange between an application or operating system and a user that enables conversion between an internal form of information and a form that is acceptable to the user. A commonly used presentation form of the User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in the display screen of the electronic device, where the control may include at least one of an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc. visual interface elements.

In some embodiments, user interface 280 is an interface that may be used to receive control inputs (e.g., physical buttons on the body of the display device, or the like).

In some embodiments, a system of a display device may include a Kernel (Kernel), a command parser (shell), a file system, and an application program. The kernel, shell, and file system together make up the basic operating system structure that allows users to manage files, run programs, and use the system. After power-on, the kernel is started, kernel space is activated, hardware is abstracted, hardware parameters are initialized, and virtual memory, a scheduler, signals and interprocess communication (IPC) are operated and maintained. And after the kernel is started, loading the Shell and the user application program. The application program is compiled into machine code after being started, and a process is formed.

Referring to fig. 4, in some embodiments, the system is divided into four layers, which are, from top to bottom, an Application (Applications) layer (referred to as an "Application layer"), an Application Framework (Application Framework) layer (referred to as a "Framework layer"), an Android runtime (Android runtime) layer and a system library layer (referred to as a "system runtime library layer"), and a kernel layer.

In some embodiments, at least one application program runs in the application program layer, and the application programs may be windows (windows) programs carried by an operating system, system setting programs, clock programs or the like; or an application developed by a third party developer. In particular implementations, the application packages in the application layer are not limited to the above examples.

The framework layer provides an Application Programming Interface (API) and a programming framework for the application program of the application layer. The application framework layer includes a number of predefined functions. The application framework layer acts as a processing center that decides to let the applications in the application layer act. The application program can access the resources in the system and obtain the services of the system in execution through the API interface.

As shown in fig. 4, in the embodiment of the present application, the application framework layer includes a manager (Managers), a Content Provider (Content Provider), and the like, where the manager includes at least one of the following modules: an Activity Manager (Activity Manager) is used for interacting with all activities running in the system; the Location Manager (Location Manager) is used for providing the system service or application with the access of the system Location service; a Package Manager (Package Manager) for retrieving various information related to an application Package currently installed on the device; a Notification Manager (Notification Manager) for controlling display and clearing of Notification messages; a Window Manager (Window Manager) is used to manage the icons, windows, toolbars, wallpapers, and desktop components on a user interface.

In some embodiments, the activity manager is used to manage the lifecycle of the various applications as well as general navigational fallback functions, such as controlling exit, opening, fallback, etc. of the applications. The window manager is used for managing all window programs, such as obtaining the size of a display screen, judging whether a status bar exists, locking the screen, intercepting the screen, controlling the change of the display window (for example, reducing the display window, displaying a shake, displaying a distortion deformation, and the like), and the like.

In some embodiments, the system runtime layer provides support for the upper layer, i.e., the framework layer, and when the framework layer is used, the android operating system runs the C/C + + library included in the system runtime layer to implement the functions to be implemented by the framework layer.

In some embodiments, the kernel layer is a layer between hardware and software. As shown in fig. 4, the core layer includes at least one of the following drivers: audio drive, display driver, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (like fingerprint sensor, temperature sensor, pressure sensor etc.) and power drive etc..

In some embodiments, the display device may directly enter the interface of the preset vod program after being activated, and the interface of the vod program may include at least a navigation bar 510 and a content display area located below the navigation bar 510, as shown in fig. 5, where the content displayed in the content display area may change according to the change of the selected control in the navigation bar. The programs in the application program layer can be integrated in the video-on-demand program and displayed through one control of the navigation bar, and can also be further displayed after the application control in the navigation bar is selected.

In some embodiments, the display device may directly enter a display interface of a signal source selected last time after being started, or a signal source selection interface, where the signal source may be a preset video-on-demand program, or may be at least one of an HDMI interface, a live tv interface, and the like, and after a user selects different signal sources, the display may display contents obtained from different signal sources.

Typically bass audio ranges between 30 hz and 150 hz, and sounds with frequencies above 150 hz are medium to high tones. The traditional display equipment is usually only provided with two loudspeakers and only provided with a left sound channel and a right sound channel, and sound production is not distinguished aiming at medium and high bass, so that bass cannot be output independently, a more stereo sound production effect cannot be achieved, and the audio-visual experience of a user is poor.

In order to realize that the single bass output display device can be connected with a USB Dongle (wireless USB Dongle), bass audio data can be sent to the external sound box through the USB Dongle.

However, in the existing scheme for realizing bass output of the display device, an audio signal sending module needs to be arranged at the display device end, and a receiving module is arranged at the external speaker end, so that the cost is high. In addition, in the above scheme, the external sound box receives full-band audio data, and the purpose of outputting bass audio data can be achieved only by filtering the full-band audio data inside the external sound box and filtering out bass audio data. There is therefore a need for a dedicated loudspeaker enclosure that is capable of filtering bass audio data. If the special sound box capable of filtering bass audio data is not provided, the purpose of outputting bass cannot be achieved, and the user experience is poor.

In order to solve the above problem, the present application provides a sound output system, as shown in fig. 6, according to a hardware configuration diagram of the sound output system in the embodiment. The user can utilize the display device of this application, connects ordinary audio amplifier just can realize bass output's effect.

The display device 200 includes a sound collector 230A, an audio processor 250A, and a speaker 270A. Sound collector 230A further comprises a signal receiving circuit, a signal processing circuit, and a signal output circuit. Speaker 270A is used at least for playing midrange audio data.

The display device in this application embodiment is still external through external audio amplifier output terminal has external audio amplifier 500, and external audio amplifier 500 is used for playing bass audio data at least.

The audio processor 250A may be or be included in a SOC (System On Chip) Chip.

The display device 200 is configured with a media application, such as a karaoke application or a music playing application, and when the media application is controlled to run, the sound collector 230A obtains a relevant sound signal from the configuration of the media application. For example, when controlling the karaoke application to run, the sound collector 230A obtains the accompaniment signal from the configuration of the karaoke application and receives the recording signal sent by the microphone.

After the signal receiving circuit receives the accompaniment signals and the recording signals, the accompaniment signals and the recording signals are sent to the signal processing circuit, and the signal processing circuit obtains sound signals after mixing the accompaniment signals and the recording signals. The sound signal is sent to the audio processor 250A through the signal output circuit.

In some embodiments, a user may call up a sound-emitting mode menu bar of a display device, such as the user interface of the display device 200 shown in fig. 7, on the user interface of the display device 200 by operating the control apparatus 100, where the sound-emitting mode menu bar includes two sound-emitting modes: the speaker and the external sound box simultaneously emit sound and the speaker independently emits sound.

In some embodiments, when the user does not select the sound-out mode on the user interface shown in fig. 7, the display device emits a sound in a default sound-out mode.

In some embodiments, the audio processor receives voice data and a user input of a voicing mode command via the user input interface. When the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode in which the loudspeaker and the external sound box emit sound simultaneously, the audio processor extracts bass data from the sound data, sends the bass data to the external sound box, and sends the sound data to the loudspeaker. The sound data can be bass data and medium-high pitch data, the loudspeaker produces sound according to the sound data, and the external sound box produces bass according to the bass data.

For example, in the user interface of the display device 200 shown in fig. 7, when the sound emission mode in which the speaker and the external speaker emit sound simultaneously is selected by the focus, the audio processor 250A receives the sound emission mode instruction in response to the instruction, and the speaker and the external speaker emit sound simultaneously.

Specifically, the audio processor 250A decodes the received sound data and extracts bass data from the decoded sound data. Audio processor 250A sends the sound data to speaker 270A and sends the processed bass data to external speaker 200D. The speaker 270A generates sound according to the sound data (which may be full-band sound data), and the external speaker 500 generates bass according to the bass data. Therefore, the effect of independently outputting bass can be realized without using a special bass audio sound box, and the audio-visual experience of a user is improved. In addition, the display device of the embodiment of the application is externally connected with the sound box through the external sound box output terminal, an audio signal sending module is not needed to be arranged, an audio signal receiving module is not needed to be arranged, and compared with the existing bass output scheme of the display device, the display device can also obviously reduce the cost.

In some embodiments, to improve the quality of the bass audio sounds played by the external speaker 500, the external speaker 500 may be connected to the coaxial interface of the display device through a coaxial line, or connected to the optical fiber interface of the display device through an optical fiber line.

In some embodiments, the audio processor receives voice data and a user input of a voicing mode command via the user input interface. When the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode in which the loudspeaker emits sound independently, the audio processor directly sends the sound data to the loudspeaker, the loudspeaker emits sound according to the sound data, and the external sound box does not emit sound.

Illustratively, in the user interface of the display device 200 shown in fig. 7, when the sound-out mode in which the speakers individually make sound is focus-selected, the audio processor 250A receives the sound-out mode instruction in response to the instruction, and the speakers individually make sound.

Specifically, the audio processor 250A decodes the received sound data, and directly transmits the decoded sound data to the speaker 270A. In this scenario, only the speaker 270A makes a sound according to the received sound data, and the external speaker 500 does not make a sound.

In some embodiments, speaker 270A includes a power amplifier circuit and a speaker. The power amplifier circuit is used for amplifying sound data. The loudspeaker is used for playing sound according to the amplified sound data.

In some embodiments, the attack circuit is preset with two sets of power amplifier initialization parameters: the method comprises the following steps of initializing parameters of a medium-high audio power amplifier and initializing parameters of a full-band audio power amplifier. The initialization parameter of the medium-high audio power amplifier is used for the sound emitting mode that the loudspeaker and the external sound box emit sound simultaneously, and the initialization parameter of the full-band audio power amplifier is used for the sound emitting mode that the loudspeaker emits sound independently.

When the sound emitting mode of the loudspeaker and the external sound box emitting sound simultaneously is selected by the focus, the audio processor initializes the power amplifier circuit according to the initialization parameters of the medium and high audio power amplifier in response to the instruction, so that the power amplifier circuit drives the loudspeaker to emit medium and high sound only. When the sound emitting mode of the loudspeaker for emitting sound independently is selected by the focus, the audio processor responds to the instruction and initializes the power amplifier circuit according to the full-band audio power amplifier initialization parameter, so that the power amplifier circuit drives the loudspeaker to emit full-band sound.

In some embodiments, when the sound emitting mode selected by the user is a sound emitting mode in which the speaker and the external speaker emit sound simultaneously, the volume of the display device (the speaker and the external speaker) may be adjusted in two different volume adjusting manners:

in the first volume adjustment mode, the received volume adjustment instruction is not an instruction input by a user through an external sound box volume adjustment interface, and then the volumes of the loudspeaker and the external sound box are adjusted simultaneously according to the volume adjustment instruction.

Illustratively, the volume adjustment command is input by the user by pressing a volume key on a remote control or by voice control. And when the audio processor receives the volume adjusting instruction, adjusting the volume of the loudspeaker and the volume of the external sound box simultaneously.

The specific process of the first volume adjustment mode is as follows: firstly, the volume of the loudspeaker is adjusted according to the volume adjusting instruction, and the adjusted volume of the loudspeaker is obtained. And then, adjusting the volume of the external sound box according to the adjusted volume and the display volume of the loudspeaker (the volume displayed on the external sound box volume adjusting interface). Therefore, the volume of the loudspeaker and the volume of the external sound box can be adjusted simultaneously.

In the second volume adjustment mode, the received volume adjustment instruction is an instruction input by a user through the volume adjustment interface of the external sound box, and only the volume of the external sound box is adjusted according to the volume adjustment instruction.

For example, the interface of the display device 200 shown in fig. 8 may be an external speaker volume adjustment interface called by a user from a setting menu bar of the display device. The external sound box volume adjusting interface can also be arranged on the terminal equipment. The user directly adjusts through the external sound box volume adjustment interface, and only the volume of the external sound box is actually adjusted according to the volume adjustment execution.

The specific process of the second middle volume adjusting mode is as follows: the method comprises the steps of firstly adjusting the display volume according to a volume adjusting instruction, and finally adjusting the volume of the external sound box according to the adjusted display volume and the current volume of the loudspeaker.

In some embodiments, audio processor 250A further includes an I2S (Inter-IC Sound, integrated circuit built-in audio bus) volume modulation unit and a SPDIF (Sony/Philips Digital Interface, acronym for Philips Digital audio Interface) volume modulation unit. The I2S volume modulation unit is used for adjusting the volume of the loudspeaker, and the SPDIF volume modulation unit is used for adjusting the volume of the external sound box.

The first volume adjustment method may specifically include:

the I2S volume modulation unit may be a volume adjustment unit that receives a volume adjustment instruction input by a user by pressing a volume key on a remote controller. And calculating the volume of the loudspeaker according to the volume adjusting instruction, and sending the calculated volume of the loudspeaker to the power amplifier circuit, so that the power amplifier circuit drives the loudspeaker to make sound according to the calculated volume of the loudspeaker.

The I2S volume modulation unit transmits the adjusted volume of the speaker and the current display volume to the SPDIF volume modulation unit after adjusting the volume of the completed speaker. The SPDIF volume modulation unit calculates the volume of the external sound box according to the adjusted volume of the loudspeaker and the current display volume, and sends the calculated volume of the external sound box to a power amplifier circuit of the external sound box. And the power amplifier circuit drives the loudspeaker to make sound according to the calculated volume of the external sound box.

Illustratively, the original volume of the speaker is 10, the volume adjustment command is to increase the volume by 5 grids, and then the volume of the speaker calculated according to the volume adjustment command is 15. The volume of the loudspeaker is actually adjusted according to the calculated volume 15 of the loudspeaker. Meanwhile, the volume 15 of the speaker adjusted by the I2S volume modulation unit is sent to the SPDIF volume modulation unit. As shown in fig. 8, the volume displayed on the volume adjustment user interface of the external speaker is 29.

The SPDIF volume modulation unit uses the formula: v_C＝V_S+V_SWAnd X, adjusting the display volume 20 on the user interface according to the current volume 15 of the loudspeaker and the volume of the external sound box, and calculating the actual adjusted volume of the external sound box. Wherein, V_CVolume V of external sound box_SFor adjusting the volume of the loudspeaker, V_SWIn order to display the volume, X is a variation factor between the set speaker and the external speaker.

And the SPDIF volume modulation unit sends the calculated actual adjusted volume of the external sound box to the external sound box so that the external sound box can make a sound according to the actual adjusted volume.

The second volume adjustment method may specifically include:

when a user calls a volume adjustment user interface of the external sound box on the display device, a volume adjustment instruction for adjusting the display volume of the external sound box is input by pressing a left key or a right key on the remote controller, and the display device adjusts the display volume according to the volume adjustment signal in response to the instruction.

For example, if the original display volume is 15, and the volume adjustment command is to increase the volume by 5 frames, the display volume calculated according to the volume adjustment command is 20.

The SPDIF volume modulation unit uses the formula: v_C＝V_S+V_SWX, calculating the actual adjusted volume of the external speaker according to the original volume 10 (volume not adjusted) of the speaker and the displayed volume 20 on the volume adjustment interface of the external speaker. Wherein, V_CVolume V of external sound box_SFor adjusting the volume of the loudspeaker, V_SWIn order to display the adjusted volume, X is a change factor between the set loudspeaker and the external sound box.

And the SPDIF volume modulation unit sends the calculated actual adjusted volume of the external sound box to the external sound box so that the external sound box can make a sound according to the actual adjusted volume. Different from the first adjusting mode, the volume of the loudspeaker is not adjusted at the moment, but the display volume on the volume adjusting user interface of the external sound box is adjusted only, so that the effect of independently adjusting the volume of the loudspeaker is realized.

In some embodiments, the audio processor 250A further includes a sound and picture synchronization unit, and the I2S volume tuning unit and the SPDIF volume modulation unit transmit the adjusted audio data to the sound and picture synchronization unit after respectively completing the volume adjustment of the speaker and the external speaker, and the sound and picture synchronization unit drives the speaker of the speaker and the speaker of the external speaker to sound. Therefore, the bass of the external sound box and the medium and high voice of the loudspeaker of the display equipment can be synchronously played.

An embodiment of the present application provides a sound output method, such as a signaling diagram of the sound output method shown in fig. 9, where the method includes the following steps:

step one, a media application program can be configured in the display equipment, and after the media application program runs, the sound collector obtains relevant sound data from the configuration of the media application program and sends the sound data to the audio processor.

And step two, the audio processor receives a voice-out mode instruction input by a user through the user input interface, decodes the received sound data and extracts bass data from the decoded sound data when the voice-out mode corresponding to the voice-out mode instruction is a voice-out mode in which the loudspeaker and the external sound box simultaneously make a voice.

The audio processor sends the sound data to the loudspeaker, and simultaneously sends the processed bass data to the external sound box. The loudspeaker makes sound according to the sound data, and the external sound box makes bass according to the bass data.

When the sound-emitting mode that the mode instruction of making a sound corresponds is the sound-emitting mode that the speaker makes a sound alone, audio processor decodes received sound data, sends the sound data of decoding to the speaker, and the speaker is according to groan data and is made a sound, and external audio amplifier then does not make a sound.

Based on the foregoing method embodiment, the present application provides another sound output method, such as the signaling diagram of the sound output method shown in fig. 10, where the method includes the following steps:

step one, when the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode in which the loudspeaker and the external sound box emit sound simultaneously, the audio processor receives a volume adjusting instruction.

And step two, when the volume adjusting instruction is not an instruction input by a user through an external sound box volume adjusting interface (the user can input the volume adjusting instruction by pressing a volume key on a remote controller or send voice to be converted into the volume adjusting instruction through a terminal), adjusting the volume of the loudspeaker and the external sound box simultaneously according to the volume adjusting instruction.

Specifically, the volume of the speaker is directly adjusted according to the volume adjustment command, and the formula V is used according to the adjusted volume of the speaker and the current display volume (the volume displayed on the volume adjustment user interface of the external sound box)_C＝V_S+V_SWX (wherein, V)_CVolume V of external sound box_SFor adjusting the volume of the loudspeaker, V_SWAnd X is a change factor between the set loudspeaker and the external sound box for displaying the volume), and calculating the volume of the external sound box. And actually adjusting the volume of the external sound box according to the calculated volume of the external sound box.

And when the volume adjusting instruction is an instruction input by a user through the external sound box volume adjusting interface, directly adjusting the display volume to obtain the adjusted display volume. The volume of the speaker is not adjusted at this time. The same applies to formula V based on the current speaker volume and display volume_C＝V_S+V_SWAnd X, calculating to obtain the volume of the external sound box. And actually adjusting the volume of the external sound box according to the calculated volume of the external sound box.

The same or similar contents in the embodiments of the present application may be referred to each other, and the related embodiments are not described in detail.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A display device, comprising,

a display;

a speaker;

an audio processor to perform:

2. The display device of claim 1, wherein the external speaker is connected to a coaxial or fiber optic interface of the display device via a coaxial or fiber optic medium.

3. The display device according to claim 1, wherein when the sound emitting mode indicated by the sound emitting mode instruction is a sound emitting mode in which the speaker and the external speaker emit sound simultaneously, the audio processor is further configured to perform:

receiving a volume adjusting instruction sent by a user through the user input interface, and adjusting the volume of the loudspeaker and the volume of the external sound box simultaneously according to the volume adjusting instruction when the volume adjusting instruction is not an instruction input by the user through the external sound box volume adjusting interface;

and when the volume adjusting instruction is an instruction input by a user through the volume adjusting interface of the external sound box, adjusting the volume of the external sound box according to the volume adjusting instruction.

4. The display device according to claim 3, wherein when the volume adjustment instruction is not an instruction input by a user through an external speaker volume adjustment interface, the audio processor is specifically configured to perform:

adjusting the volume of the loudspeaker according to the volume adjusting instruction, obtaining the adjusted volume of the loudspeaker, and adjusting the volume of the external sound box according to the adjusted volume of the loudspeaker and the current display volume, wherein the display volume is the volume displayed on the volume adjusting interface of the external sound box.

5. The display device according to claim 4, wherein when the volume adjustment instruction is an instruction input by a user through the external speaker volume adjustment interface, the audio processor is specifically configured to perform:

adjusting the display volume according to the volume adjusting instruction to obtain the adjusted display volume, and adjusting the volume of the external sound box according to the current volume of the loudspeaker and the adjusted display volume.

6. The display device according to claim 5, wherein the audio processor comprises an I2S volume modulation unit and an SPDIF volume modulation unit, the I2S volume modulation unit is configured to adjust a volume of the speaker, and the SPDIF volume modulation unit is configured to adjust a volume of the external speaker.

7. The display device according to claim 5, wherein the adjusting the volume of the external speaker specifically is adjusting the volume of the external speaker by using a volume adjustment formula, and the volume adjustment formula is: v_C＝V_S+V_SWX, wherein V_CVolume V of the external speaker_SIs the volume, V, of the loudspeaker_SWAnd X is a change factor between the set volume of the loudspeaker and the volume of the external sound box for displaying the volume.

8. The display device according to claim 1, wherein the speaker comprises:

the power amplifier circuit is used for receiving the sound data from the audio processor and amplifying the sound data;

and the loudspeaker is used for playing sound according to the amplified sound data.

9. The display device according to claim 8, wherein the power amplifier circuit is internally provided with medium-high audio power amplifier initialization parameters and full-band audio power amplifier initialization parameters;

when the sound emitting mode indicated by the sound emitting mode instruction is the sound emitting mode in which the loudspeaker and the external sound box emit sound simultaneously, the audio processor is further configured to execute: initializing the power amplifier circuit according to the medium-high frequency power amplifier initialization parameter so that the power amplifier circuit drives the loudspeaker to emit medium-high frequency sound;

when the sound-emitting mode indicated by the sound-emitting mode instruction is a sound-emitting mode in which the loudspeaker emits sound alone, the audio processor is further configured to perform: initializing the power amplifier circuit according to the full-band audio power amplifier initialization parameter so that the power amplifier circuit drives the loudspeaker to emit full-band sound.

10. A sound output method applied to a display device, comprising: