CN215072677U - Live broadcast device - Google Patents

Abstract

The application relates to a live broadcast device, the live broadcast device comprises an audio processing module, an equipment interface module and a processor module, the audio processing module comprises an audio input interface and an audio processing chip, the audio input interface is used for connecting a microphone, the audio processing chip is respectively connected with the audio input interface, the equipment interface module and the processor module, the audio processing chip is used for carrying out noise reduction and/or sound mixing processing on audio data input by the audio input interface and/or the equipment interface module, and transmitting the processed audio data to the processor module.

Description

Live broadcast device

Technical Field

The application relates to the technical field of data processing, in particular to a live broadcast device.

Background

Along with the rapid development of live broadcast technology, people are increasingly demanding on live broadcast, and people often need to access multichannel audio signal to live broadcast in the live broadcast process, but in the miniaturized live broadcast device in the correlation technique, the audio data of the input live broadcast device is processed through the processor module of the live broadcast device, so that the processor module has large computation, the processor module has low operation efficiency, the live broadcast pause phenomenon is easily caused, and the quality of the live broadcast presentation content is influenced.

Aiming at the problems that in the related art, the operation efficiency of a processor module of a live broadcast device is low and the quality of live broadcast presented content is influenced, an effective solution is not provided.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a live broadcast device, the processor module of the live broadcast device is high in operation efficiency, and the live broadcast device is favorable for improving the quality of live broadcast presentation content.

The embodiment of the application provides a live device, including audio frequency processing module, equipment interface module and processor module, audio frequency processing module includes audio input interface and audio frequency processing chip, audio input interface is used for connecting the microphone, the audio frequency processing chip is connected respectively the audio input interface equipment interface module with the processor module, the audio frequency processing chip is right the audio input interface and/or the audio data of equipment interface module input are fallen and is fallen and make an uproar and/or the audio mixing is handled, and will handle the back the audio data conveying extremely the processor module.

In some embodiments, the device interface module includes an HDMI interface module and/or a USB interface module, where the HDMI interface module includes at least one HDMI input interface, the USB interface module includes at least one USB interface, and the HDMI input interface and the USB interface are respectively connected to the audio processing chip.

In some embodiments, the HDMI interface module further comprises at least one first format converter, the first format converter connects the HDMI input interface and the processor module, and the first format converter converts data input by the HDMI input interface from an HDMI format to a MIPI format and transmits the MIPI format data to the processor module, wherein the data input by the HDMI input interface comprises video data and/or the audio data.

In some embodiments, the USB interface module comprises a first USB interface and a second USB interface, and the first USB interface is connected to the audio processing chip through the processor module and is configured to input the audio data to the audio processing chip; and the second USB interface is connected with the processor module and is used for debugging the system.

In some embodiments, the processor module includes a plurality of USB ports, the first USB ports are provided in plurality, the USB interface module further includes an interface extender, one end of the interface extender is connected to the USB ports, and the other end of the interface extender is connected to the plurality of first USB ports.

In some embodiments, the audio input interface comprises an active input interface for connecting an active microphone and a passive input interface for connecting a passive microphone.

In some embodiments, the audio processing module further includes an audio output interface, and the audio output interface is connected to the audio processing chip and is configured to output the processed audio data.

In some embodiments, the live device further includes a display module, the display module includes a display screen and a second format converter, the second format converter connects the processor module and the display screen, the processor module outputs data in a MIPI format, the second format converter converts the data in the MIPI format into an LVDS format, and the display screen displays the data in the LVDS format, where the data in the MIPI format output by the processor module includes video data.

In some embodiments, the display screen includes a touch screen, and the USB interface module includes a third USB interface, and the third USB interface connects the interface extender and the touch screen.

In some embodiments, the live device further includes a data output module, where the data output module includes a third format converter and an HDMI output interface, the third format converter connects the processor module and the HDMI output interface, and the third format converter converts the data output by the processor module from MIPI format to HDMI format and transmits the data in HDMI format to the HDMI output interface, where the data output by the processor module includes video data and the audio data.

Compared with the prior art, the live broadcast device provided by the embodiment of the application comprises the audio processing module, the equipment interface module and the processor module, wherein the audio processing module comprises an audio input interface and an audio processing chip, the audio input interface is used for being connected with a microphone, the audio processing chip is respectively connected with the audio input interface, the equipment interface module and the processor module, the audio processing chip is used for carrying out noise reduction and/or sound mixing processing on audio data input by the audio input interface and/or the equipment interface module and transmitting the processed audio data to the processor module, the problems that the operating efficiency of the processor module of the live broadcast device in the related technology is low, the quality of live broadcast presented content is influenced are solved, and the watching experience of audiences is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic application environment diagram of a live device according to an embodiment of the present application;

fig. 2 is a schematic diagram of a live device according to a first embodiment of the present application;

fig. 3 is a schematic diagram of a live device according to a second embodiment of the present application;

fig. 4 is a schematic diagram of a live device according to a third embodiment of the present application;

fig. 5 is a schematic diagram of a live device according to a fourth embodiment of the present application;

fig. 6 is a schematic diagram of a live device according to a fifth embodiment of the present application;

fig. 7 is a schematic diagram of a live device according to a sixth embodiment of the present application;

fig. 8 is a schematic diagram of a live device according to a seventh embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.

It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.

The live broadcasting device provided by the application can be applied to an application environment shown in fig. 1, fig. 1 is an application environment schematic diagram of the live broadcasting device according to the embodiment of the application, and as shown in fig. 1, the live broadcasting device 12 integrates functions of various live broadcasting devices such as a director, a hard disk video recorder, an encoder and a collection card, and can perform live broadcasting data processing operations such as multi-channel video acquisition, decoding, encoding and stream pushing aiming at various live broadcasting devices 11 such as a high-definition camera, a microphone and a camera; when a user plays the live broadcast, the live broadcast device 11 is connected to the live broadcast device 12, the live broadcast device 12 is connected to a remote server 13 through a network, the live broadcast device 12 pushes processed data to the server 13, the server 13 forwards the data to a plurality of live broadcast platforms, and audiences can watch the live broadcast on each live broadcast platform through a watching device 14 such as a tablet, a mobile phone and a computer.

In the related art, audio data input by a miniaturized live broadcast device is processed through a processor module of the live broadcast device, so that the operation amount of the processor module is large, the operation efficiency of the processor module is low, the live broadcast pause phenomenon is easily caused, and the quality of live broadcast presentation content is influenced.

The present application provides a live device, fig. 2 is a schematic view of a live device according to a first embodiment of the present application, as shown in fig. 2, the live device 12 includes an audio processing module 21, a device interface module 22 and a processor module 23, wherein, the device interface module 22 can be used to connect with high definition video camera, camera and other live broadcast devices, the audio processing module 21 includes an audio input interface 211 and an audio processing chip 212, the audio input interface 211 can be used to connect with a microphone, the audio processing chip 212 is respectively connected with the audio input interface 211, the device interface module 22 and the processor module 23, the audio processing chip 212 performs noise reduction and/or audio mixing processing on audio data input by the audio input interface 211 and/or the device interface module 22, and transmits the processed audio data to the processor module 23, and optionally, the model of the audio processing chip 212 may be AK 7735.

By arranging the audio processing chip 212 and respectively connecting the audio processing chip 212 with a plurality of audio input ends, wherein the plurality of audio input ends comprise the audio input interface 211 and the equipment interface module 22, noise reduction and/or sound mixing processing of audio data input by the audio input interface 211 and/or the equipment interface module 22 can be performed in the audio processing chip 212, the audio processing chip 212 transmits the processed audio data to the processor module 23, the processor module 23 does not need to perform audio processing work in the process of processing live broadcast data, compared with the problem that the audio data of a small-sized live broadcast device in the prior art is processed by the processor module 23, the operation amount of the processor module 23 is large, the live broadcast device 12 in the embodiment of the application improves the operation efficiency of the processor module 23, and is favorable for reducing the live broadcast card phenomenon, thereby improving the quality of live presentation content.

In addition, by performing noise reduction and/or audio mixing processing on the audio data input by the audio input interface 211 and/or the device interface module 22 in the audio processing chip 212, functions such as volume adjustment, audio source switching, audio mixing, and the like of the user interface corresponding to the live broadcast device 12 can be realized.

Optionally, as shown In fig. 2, the audio input interface 211 includes an active input interface 2111 (alternatively referred to as a Line In interface) and a passive input interface 2112 (alternatively referred to as a Mic In interface), where the active input interface 2111 is used for connecting an active microphone and the passive input interface 2112 is used for connecting a passive microphone; by providing the active input interface 2111 and the passive input interface 2112, the live device 12 supports active microphone input and passive microphone input for different types of input audio, and is good in applicability.

Optionally, as shown in fig. 2, the Audio processing module 21 further includes an Audio output interface 213 (alternatively referred to as an Audio out interface), where the Audio output interface 213 is connected to the Audio processing chip 212 and is configured to output the Audio data processed by the Audio processing chip 212 to a device such as an earphone.

In some embodiments, fig. 3 is a schematic diagram of a live broadcasting apparatus according to a second embodiment of the present application, and as shown in fig. 3, the device Interface module 22 includes an HDMI Interface module 31 and a USB Interface module 32, where a High Definition Multimedia Interface (HDMI) is a full digital video and audio transmission Interface, and can transmit uncompressed audio and video signals; universal Serial Bus (USB) is a Serial Bus standard and also a technical specification of input/output interfaces, and is widely applied to information communication products such as personal computers and mobile devices, and is extended to other related fields such as photographic equipment, digital televisions (set top boxes), game machines, and the like.

Further, the HDMI interface module 31 includes a plurality of HDMI input interfaces 311 and a plurality of first format converters 312, where the plurality of HDMI input interfaces 311 are respectively connected to the audio processing chip 212; the plurality of HDMI input interfaces 311 and the plurality of first format converters 312 are connected in a one-to-one correspondence manner, and one end of the first format converter 312 is connected to the HDMI input interface 311, and the other end is connected to the processor module 23; by setting the HDMI input interface 311 to be plural, the live broadcasting device 12 supports multiple video accesses, thereby meeting the requirement of multiple video accesses when some users broadcast live; by arranging the first format converter 312, the input data can be converted from the HDMI format to the MIPI format, so that the live broadcast device 12 can be adapted to a general video camera and a general single lens reflex camera on the market, the problem of poor compatibility of a portable encoder in the related art is solved, the applicability of the live broadcast device 12 is improved, and optionally, the chip model of the first format converter 312 can be a longyun LT6911 HDMI-to-MIPI bridge chip.

As shown in fig. 3, the HDMI input interface 311 may be externally connected to a live device such as a high definition camera, data input by the HDMI input interface 311 includes video data and/or audio data, the first format converter 312 converts the video data and/or audio data input by the HDMI input interface 311 from an HDMI format to an MIPI format, and transmits the video data and/or audio data in the MIPI format to the processor module 23, and the processor module 23 processes the video data after receiving the video data, optionally, the processor module 23 may be a remote SC66 intelligent module, and the remote SC66 intelligent module integrates a hpelan 8 core processor and a hpelan adron 512 Graphics Processor (GPU), and supports decoding and encoding Processing of multiple paths of video data in formats up to 1080P format.

In other embodiments, the device interface module 22 may include only the HDMI interface module 31 or only the USB interface module 32.

In some embodiments, fig. 4 is a schematic diagram of a live broadcast apparatus according to a third embodiment of the present application, as shown in fig. 4, the USB interface module 32 includes a first USB interface 41, a second USB interface 42 and a third USB interface 43, and the processor module 23 includes a USB port, where the first USB interface 41 is connected to the USB port of the processor module 23, and inputs audio data to the audio processing chip 212 through the processor module 23, optionally, as shown in fig. 4, the USB interface module 32 may further include an interface extender 44, where one end of the interface extender 44 is connected to the USB port, and the other end of the interface extender 44 is connected to the plurality of first USB interfaces 41 and the third USB interfaces 43, and by setting the interface extender 44, a single USB port may be extended into the plurality of first USB interfaces 41, so that the live broadcast apparatus 12 supports multiple-device access, for example, the live broadcast apparatus 12 may respectively access a mouse, a physical interface of USB type on the plurality of first USB interfaces 41, and a live broadcast type Meanwhile, by setting an interface extender 44, a third USB interface 43 can also be integrated into a USB port of the processor module 23, and the third USB interface 43 can be used for connecting a touch screen, wherein the chip type of the interface extender 44 can be a LAN 9514; the second USB interface 42 is connected to the processor module 23 for system debugging, and the second USB interface 42 is not open to the user.

In some embodiments, fig. 5 is a schematic diagram of a live device according to a fourth embodiment of the present disclosure, as shown in fig. 5, the live device 12 further includes a display module 50, the display module 50 includes a display screen 51 and a second format converter 52, one end of the second format converter 52 is connected to the processor module 23, the other end of the second format converter 52 is connected to the display screen 51, the processor module 23 outputs video data in the MIPI format, the second format converter 52 converts the video data in the MIPI format into an LVDS format, and the display screen 51 displays the video data in the LVDS format, optionally, the chip model of the second format converter 52 may be a ronscout LT9211 MIPI to LVDS bridge chip; by arranging the display module 50, the live broadcasting device 12 supports a display screen 51 carrying LVDS interfaces of different sizes, and a user can watch a video picture in real time through the display screen 51 of the LVDS interface when broadcasting live.

Optionally, as shown in fig. 5, the display screen 51 includes a touch screen 511, and the third USB interface 43 is connected to the touch screen 511, so that a touch signal captured by the touch screen 511 can be transmitted to the processor module 23 through the third USB interface 43, so that the processor module 23 can respond to the touch signal.

In some embodiments, fig. 6 is a schematic diagram of a live device according to a fifth embodiment of the present application, as shown in fig. 6, the live device further includes a data output module 60, the data output module 60 includes a third format converter 61 and an HDMI output interface 62, one end of the third format converter 61 is connected to the processor module 23, the other end of the third format converter 61 is connected to the HDMI output interface 62, the third format converter 61 converts the video data and the audio data output by the processor module 23 from MIPI format to HDMI format, and transmits the video data and the audio data in HDMI format to the HDMI output interface 62, and optionally, the chip model of the third format converter 61 may be a dragon LT9611 MIPI to HDMI bridge chip; when the user plays the video on the air, the HDMI output interface can be connected with the display of the HDMI interface, so that the video picture can be watched on the display of the HDMI interface in real time.

In some embodiments, fig. 7 is a schematic diagram of a live broadcast device according to a sixth embodiment of the present application, as shown in fig. 7, the live broadcast device 12 further includes a network module 70, where the network module can implement multiple networking modes, such as WIFI connection, wired network connection, and 4G network connection, so that the live broadcast device 12 supports working under a wired network or a wireless network, and the network module 70 is connected to the processor module 23 and is configured to push video data or audio data processed by the processor module 23 to a server, so that the server can forward the video data or the audio data to multiple network live broadcast platforms.

In some of these embodiments, fig. 8 is a schematic view of a live device according to a seventh embodiment of the present application, as shown in fig. 8, the audio processing chip 212 includes an I2S1 port, an I2S2 port, an I2S3 port, an AIN1 port, an AIN2 port, an I2C port, and an AOUT1 port, the processor module 23 includes a MIPI CSI1 port, a MIPI CSI2 port, an I2S port, an I2C port, a USIM port, a USB3.0 port, a POWER CORE port, a LCD MIPI port, a USB2.0 port, and a MIPI DSI port, the second format converter 52 includes a LDVS1 port and a LDVS2 port, the display screen 51 includes a TP touch screen port, the interface expander 44 includes a USB0 port, a USB1 port, a USB2 port, a USB3 port, and a PHY port, the live device 12 further includes a SIM interface 81, a POWER input interface 82, a POWER conversion chip 83, and a network interface 84, the connection between the components or ports of the components of the live device 12 is shown in fig. 8.

As shown in fig. 8, SIM interface 81 can access a SIM card, SIM interface 81 being connected to the USIM port of processor module 23; the POWER input interface 82 can be connected to a POWER supply, the POWER conversion chip 83 is connected to the POWER CORE port of the processor module 23 and the POWER input interface 82 and used for POWER supply voltage conversion, optionally, the model of the POWER conversion chip 83 may be RT7295, and the RT7295 chip converts 12V voltage input by the POWER input interface into 3.9V voltage adapted to the processor module 23 and transmits the 3.9V voltage to the processor module 23; the network port 84 is connected with the interface expander 44, and the network port 84 is used for accessing a network cable.

The live broadcast device 12 provided in the embodiment of the present application can realize multi-channel video acquisition by setting the plurality of HDMI input interfaces 311 and the plurality of first USB interfaces 41; by arranging the audio processing module 21 and connecting the audio processing module 21 with the device interface module 22 and the processor module 23 respectively, noise reduction and/or sound mixing processing of input audio data can be realized; by arranging the processor module 23 and respectively connecting the processor module 23 with the audio processing module 21 and the equipment interface module 22, the decoding and encoding processing of the input video data and audio data can be realized; by arranging the display module 50, real-time watching of video pictures can be realized; by setting the data output module 60, the data formats of the video data and the audio data can be converted and the data can be output; through setting up network module 70, can realize the network propelling movement of video data and audio data, consequently, this live device 12 collects multichannel video acquisition, decodes, encodes, pushes away and flows the function in an organic whole, and when the user used, need not additionally to cooperate equipment such as director's platform, digital video recorder, encoder, acquisition card for the user live more convenient, and be favorable to reducing the live cost.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a live device, its characterized in that, live device includes audio frequency processing module, equipment interface module and processor module, audio frequency processing module includes audio input interface and audio frequency processing chip, audio input interface is used for connecting the microphone, audio frequency processing chip connects respectively audio input interface equipment interface module with processor module, audio frequency processing chip is right audio input interface and/or the audio data of equipment interface module input are fallen and is fallen and make an uproar and/or the audio mixing is handled, and will handle the back audio data conveying to processor module.

2. The live device according to claim 1, wherein the device interface module comprises an HDMI interface module and/or a USB interface module, wherein the HDMI interface module comprises at least one HDMI input interface, the USB interface module comprises at least one USB interface, and the HDMI input interface and the USB interface are respectively connected to the audio processing chip.

3. The live device of claim 2, wherein the HDMI interface module further comprises at least one first format converter, the first format converter is connected to the HDMI input interface and the processor module, and the first format converter converts data input by the HDMI input interface from an HDMI format to a MIPI format and transmits the MIPI format data to the processor module, wherein the data input by the HDMI input interface comprises video data and/or the audio data.

4. The live device of claim 2, wherein the USB interface module comprises a first USB interface and a second USB interface, the first USB interface is connected to the audio processing chip through the processor module and is configured to input the audio data to the audio processing chip; and the second USB interface is connected with the processor module and is used for debugging the system.

5. The live device according to claim 4, wherein the processor module includes a plurality of USB ports, and the first USB interfaces are provided in plurality, and the USB interface module further includes an interface extender, one end of the interface extender is connected to the USB ports, and the other end of the interface extender is connected to the plurality of first USB interfaces.

6. The live device of claim 1, wherein the audio input interface comprises an active input interface for connecting an active microphone and a passive input interface for connecting a passive microphone.

7. The live device of claim 1, wherein the audio processing module further comprises an audio output interface, and the audio output interface is connected to the audio processing chip and configured to output the processed audio data.

8. The live device of claim 5, further comprising a display module, the display module including a display screen and a second format converter, the second format converter connecting the processor module and the display screen, the processor module outputting MIPI-formatted data, the second format converter converting the MIPI-formatted data into LVDS format, the display screen displaying the LVDS-formatted data, wherein the MIPI-formatted data output by the processor module includes video data.

9. The live device of claim 8, wherein the display screen comprises a touch screen, wherein the USB interface module comprises a third USB interface, and wherein the third USB interface connects the interface extender and the touch screen.

10. The live device of claim 1, further comprising a data output module, the data output module comprising a third format converter and an HDMI output interface, the third format converter connecting the processor module and the HDMI output interface, the third format converter converting data output by the processor module from MIPI format to HDMI format and transmitting the data in HDMI format to the HDMI output interface, wherein the data output by the processor module comprises video data and the audio data.

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