CN111857641A - Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones - Google Patents
Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones Download PDFInfo
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- CN111857641A CN111857641A CN202010685958.4A CN202010685958A CN111857641A CN 111857641 A CN111857641 A CN 111857641A CN 202010685958 A CN202010685958 A CN 202010685958A CN 111857641 A CN111857641 A CN 111857641A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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Abstract
The invention discloses a live broadcast sound card expansion device for realizing simultaneous live broadcast of a plurality of mobile phones, which comprises: the sound card device comprises an audio acquisition module, an audio processing module and an audio transmission module, wherein the audio acquisition module is used for acquiring sound signals, converting the acquired sound signals into digital signals and then transmitting the digital signals to the audio processing module, and the audio processing module is used for optimizing the digital signals and converting the digital signals into sound signals; the expansion device comprises an audio input port, a plurality of audio output ports and an operational amplifier module, wherein the audio output ports are connected with the audio input port, the audio output ports are arranged between the audio input port and the operational amplifier module, the operational amplifier module is used for gaining the sound signals sent by the audio transmission module, the audio input port is connected with the audio transmission module of the sound card device during use, and the audio output ports are used for connecting the mobile phone.
Description
Technical Field
The invention relates to the field of table plates, in particular to live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones.
Background
Most live broadcast sound cards on the market at present can only be one to one when connecting the cell-phone and live, and a live broadcast sound card can only supply a cell-phone to use promptly, and a few live broadcast sound cards satisfy many cell-phones and use live broadcast simultaneously through the mode of parallelly connected wire, mutual interference between the different cell-phones of such mode, sound effect is relatively poor.
Disclosure of Invention
The invention mainly aims to provide live broadcast sound card expansion equipment for realizing simultaneous live broadcast of a plurality of mobile phones, and aims to solve the problems in the background art.
In order to achieve the above object, the live broadcast sound card extension device for realizing simultaneous live broadcast of multiple mobile phones provided by the present invention comprises: the sound card device comprises an audio acquisition module, an audio processing module and an audio transmission module, wherein the audio acquisition module is used for acquiring sound signals, converting the acquired sound signals into digital signals and then transmitting the digital signals to the audio processing module, and the audio processing module is used for optimizing the digital signals and converting the digital signals into sound signals;
the expansion device comprises an audio input port, a plurality of audio output ports and an operational amplifier module, wherein the audio output ports are connected with the audio input port, the audio output ports are arranged between the audio input port and the operational amplifier module, the operational amplifier module is used for gaining sound signals sent by the audio transmission module, the audio input port is connected with the audio transmission module of the sound card device during use, and the audio output port is used for connecting a mobile phone.
Optionally, the sound collection module includes an audio interface and a sound collection microphone, where the audio interface is used to connect a microphone or other audio devices, and the sound collection microphone is used to collect sound signals.
Optionally, the audio interface has a plurality of interfaces, the sound card device further includes a recording option module, the recording option module is located between the audio processing module and the audio transmission module, and the recording option module includes a mono mode and a mixing mode:
when a user selects a single sound channel mode, the recording option module only sends a sound signal collected by a sound collection microphone or an audio interface appointed by the user to the audio transmission module;
when a user selects a mixing mode, the recording option module sends sound signals collected by different audio interface combinations appointed by the user to the audio transmission module, or sends sound signals collected by different audio interface and sound collection microphone combinations.
Optionally, the sound card device further comprises a monitoring module, the monitoring module is connected with the recording option module, the monitoring module is provided with a monitoring interface, and the monitoring interface is used for connecting an earphone.
Optionally, the sound card device further includes a storage module, the storage module is connected to the audio processing module, the audio processing module receives the digital signal converted by the audio acquisition module and then sends the digital signal code to the storage module, and the storage module is configured to store the digital signal coded by the audio processing module.
Optionally, the operational amplifier module is provided with a volume adjusting key, and the volume adjusting key is used for adjusting the volume of the sound signal output by the operational amplifier module.
Optionally, the audio output port includes a Lighting interface and a Type-C interface.
According to the technical scheme, the sound card device is arranged and the expansion device is arranged, the sound card device carries out optimization processing on the sound of a user of the user and sends the sound to the expansion device from the audio transmission module of the sound card device, the expansion device is provided with a plurality of operational amplifier circuits, each operational amplifier circuit corresponds to one audio output port and can be connected with one mobile phone immediately, each operational amplifier circuit is not interfered with each other, when the sound signal sent by the sound card device is received and is gained, the sound signal is sent to the mobile phone needing live broadcast, therefore, the sound card for live broadcast can be used by a plurality of mobile phones simultaneously, the mobile phones are not interfered with each other, and therefore the user can broadcast high-quality sound directly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a block diagram of a live broadcast sound card expansion device according to an embodiment of the present invention, which implements simultaneous live broadcast of multiple mobile phones.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | First audio interface |
| 111 | |
112 | |
| 120 | |
200 | |
| 300 | |
400 | |
| 500 | |
600 | |
| 700 | |
800 | |
| 810 | |
900 | Memory module |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a live broadcast sound card expansion device for realizing simultaneous live broadcast of a plurality of mobile phones.
In the embodiment of the present invention, as shown in fig. 1, the sound card apparatus includes an audio acquisition module, an audio processing module 200, and an audio transmission module 400, where the audio acquisition module is configured to acquire a sound signal, convert the acquired sound signal into a digital signal, and transmit the digital signal to the audio processing module 200, and the audio processing module 200 is configured to optimize the digital signal and convert the digital signal into a sound signal; the expansion device comprises an audio input port 500, a plurality of audio output ports 700 and an operational amplifier module 600, wherein the audio output ports 700 are all connected with the audio input port 500, the operational amplifier module 600 is arranged between the audio output ports 700 and the audio input port 500, the operational amplifier module 600 is used for gaining sound signals sent by the audio transmission module 400, the audio input port 500 is connected with the audio transmission module 400 of the sound card device during use, and the audio output port 700 is used for connecting a mobile phone.
Specifically, in this embodiment, the audio acquisition module of the sound card device is provided with a Mic interface, for example, a user connects a microphone with the Mic interface, inputs a sound signal to the sound card through the microphone, the audio acquisition module acquires the sound signal of the user of the microphone and then transmits the sound signal to the audio processing module 200, the audio processing module 200 first converts the sound signal into a digital signal, optimizes the digital signal according to a preset program, such as a noise reduction program, a tuning program, and the like, after optimizing the digital signal, converts the digital signal into a sound signal again, and transmits the sound signal to the audio output module, the audio output module is connected with the expansion device through a data line, so that the optimized sound signal is transmitted to the audio input/output terminal of the expansion device, and the audio input terminal of the expansion device is divided into seven operational amplifier modules 600 and then output from one audio output port 700, each operational amplifier module 600 performs gain processing on the sound signal and finally sends the sound signal to seven mobile phones from the seven audio output ports 700, so that the user can simultaneously live broadcast on seven live broadcast platforms by the seven mobile phones, and the live broadcast sound of each live broadcast platform is not interfered with each other. It should be noted that, in this embodiment, the expansion device is provided with seven audio output ports 700, so that a user can use seven live broadcast mobile phones to simultaneously perform live broadcast on seven live broadcast platforms, while in other embodiments, the expansion device may also be provided with more or fewer audio output ports 700.
According to the technical scheme, the sound card device and the expansion device are arranged, the sound card device optimizes the sound of a user of the user and sends the sound to the expansion device from the audio transmission module 400 of the sound card device, the expansion device is provided with a plurality of operational amplifier circuits, each operational amplifier circuit corresponds to one audio output port 700, a mobile phone can be connected immediately, each operational amplifier circuit is not interfered with each other, and when a sound signal sent by the sound card device is received and gained, the sound signal is sent to the mobile phone needing live broadcasting, so that one live broadcasting sound card is used by a plurality of mobile phones simultaneously, the mobile phones are not interfered with each other, and the user can directly broadcast high-quality sound.
Further, referring to fig. 1, in the embodiment of the present invention, the sound collection module 100 includes an audio interface and a sound collection microphone 120, the audio interface is used for connecting a microphone or other audio devices, and the sound collection microphone 120 is used for collecting sound signals. Specifically, if there is microphone equipment when the user broadcasts directly, then can be equipped with the microphone and be connected with audio interface, broadcast live through external microphone, if the user is in outdoor live or does not have microphone equipment, then can direct joint cross sound collection miaow head 120 and directly broadcast live, convenience of customers uses more.
Further, referring to fig. 1, in an embodiment of the present invention, the audio interface includes a plurality of audio interfaces, the sound card apparatus further includes a recording option module 300, the recording option module 300 is located between the audio processing module 200 and the audio transmission module 400, and the recording option module 300 includes a mono mode and a remix mode: when the user selects the mono mode, the recording option module 300 only sends the sound signal collected by the sound collecting microphone 120 or the audio interface designated by the user to the audio transmission module 400; when the user selects the mixing mode, the recording option module 300 sends the sound signals collected by different audio interface combinations specified by the user, or sends the sound signals collected by different audio interface and sound collecting microphone 120 combinations to the audio transmission module 400.
Specifically, in this embodiment, the audio acquisition module is provided with a first audio interface 110, a second audio interface 111, a third audio interface 112, and a sound acquisition microphone 120, if a user selects to use a microphone to connect to the first audio interface 110, the second audio interface 111 connects to a music player, the user performs live broadcast through the microphone, and the music player plays music at the same time, at this time, if the user only wants to make a person watching the live broadcast hear his or her sound, but cannot hear the sound of the music player, the user may select a mono mode through the recording option module 300, and designate the recording option module 300 to only send the sound acquired by the first audio interface 110 to the audio transmission module 400; if the user wants to make the viewer watching the live broadcast listen to his own voice and also listen to the background music played in the music player, the recording option module 300 may select the audio mixing mode, and designate the recording option module 300 to send the voice signal collected by the combination of the first audio interface 110 and the second audio interface 111 to the audio transmission module 400.
In another embodiment, the user connects the first audio interface 110 to the musical instrument, and uses the sound collecting microphone 120 to perform live broadcasting, and may also select a mono mode or a remix mode, if the user only wants the audience to hear the sound of the musical instrument, the mono mode is selected to designate the recording option module 300 to send only the sound of the musical instrument of the first audio interface 110; if the user only wants to make the audience hear the sound of the user, the single sound channel mode appointed recording option module 300 is selected to only send the sound collected by the sound collecting microphone 120; if the user wants to hear his/her own voice and also hear the sounds of the musical instruments, the user selects the mixing mode, and designates the recording option module 300 to transmit both the sounds of the musical instruments of the first audio interface 110 and the sounds of the user, which are collected by the sound collection microphone 120. The recording option module 300 is provided for users to select different sound modes, so that the functions are rich and the users can use the device conveniently.
Further, referring to fig. 1, in an embodiment of the present invention, the sound card apparatus further includes a monitoring module 800, the monitoring module 800 is connected to the recording option module 300, the monitoring module 800 is provided with a monitoring interface 810, and the monitoring interface 810 is used for connecting an earphone. Specifically, when the user is in outdoor noisy environment and carries out the live broadcast, especially when carrying out singing live broadcast, because the noisy user of environment often can not hear the sound of oneself, thereby can't be accurate know the accuracy of sound of oneself, rhythm etc., and set up and monitor module 800 and be connected with recording option module 300, after the customer selected the sound mode, use the earphone to be connected with monitoring interface 810, then recording option module 300 just can send live broadcast sound to the earphone through monitoring module 800, thereby the user can be through the clear sound of hearing oneself live broadcast of earphone, convenience of customers adjusts.
Further, please refer to fig. 1 in combination, in an embodiment of the present invention, the sound card apparatus further includes a storage module 900, the storage module 900 is connected to the audio processing module 200, the audio processing module 200 receives the digital signal converted by the audio acquisition module and then transmits the digital signal code to the storage module 900, and the storage module 900 is configured to store the digital signal coded by the audio processing module 200. Specifically, the storage module 900 includes a memory card and a memory switch, and when the user starts the memory switch during live broadcasting, the audio processing module 200 converts live broadcasting sound into digital signals and then encodes and stores the digital signals in the memory card for later reference by the user.
Further, in this embodiment, the extension device further includes a battery and a power management module, the power management module is connected to the battery, the operational amplifier module is connected to the output end of the power management module, and the extension device further includes a USB interface, and the USB interface is connected to the charging management module. Specifically, be equipped with built-in battery in the extension device, the battery does the extension device power supply, power management module is used for after the step-down steady voltage output to each fortune put the module and provide voltage for it, and power management module still is equipped with the USB interface and is used for giving the battery charges, power management module's output still is connected audio frequency input port, when the user when outdoor live broadcasting, can also utilize extension device's built-in battery to provide mains voltage for the sound card device, convenience of customers uses.
Further, referring to fig. 1, in an embodiment of the present invention, the operational amplifier module 600 is provided with a volume adjustment key, and the volume adjustment key is used for adjusting the volume of the sound signal output by the operational amplifier module 600. Specifically, be equipped with seven fortune in this implementation and put module 600, every fortune is put module 600 and all is equipped with a volume adjustment button, and the size of the live volume of cell-phone of every volume adjustment button control to the user can feed back the corresponding volume size of regulation according to the audience of the live platform of difference, and it is suitable to avoid the live platform volume of part, and the condition of the too big or undersize of the live platform volume of part.
Further, referring to fig. 1, in the present embodiment, the audio output port 700 includes a Lighting interface and a Type-C interface. Specifically, the data interfaces of mobile phones of different brands are different, some are Lighting interfaces, and some are Type-C interfaces, so that the 700-base-friend Lighting interface of the audio output port of the expansion device has a Type-C interface, and the requirement that different types of mobile phones of users can be used is met.
According to the technical scheme, the sound card device is arranged and the expansion device is arranged, the sound card device carries out optimization processing on the sound of a user of the user and sends the sound to the expansion device from the audio transmission module 400 of the sound card device, the expansion device is provided with a plurality of operational amplifier circuits, each operational amplifier circuit corresponds to one audio output port 700, a mobile phone can be connected immediately, each operational amplifier circuit is not interfered with each other, and when a sound signal sent by the sound card device is received and is subjected to gain, the sound signal is sent to the mobile phone needing live broadcast, so that one live broadcast sound card is used by a plurality of mobile phones simultaneously, the mobile phones are not interfered with each other, and the user can directly broadcast high-quality sound.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a realize live sound card extension equipment that many cell-phones were live simultaneously which characterized in that includes:
the sound card device comprises an audio acquisition module, an audio processing module and an audio transmission module, wherein the audio acquisition module is used for acquiring sound signals, converting the acquired sound signals into digital signals and then transmitting the digital signals to the audio processing module, and the audio processing module is used for optimizing the digital signals and converting the digital signals into sound signals;
the expansion device comprises an audio input port, a plurality of audio output ports and an operational amplifier module, wherein the audio output ports are connected with the audio input port, the audio output ports are arranged between the audio input port and the operational amplifier module, the operational amplifier module is used for gaining sound signals sent by the audio transmission module, the audio input port is connected with the audio transmission module of the sound card device during use, and the audio output port is used for connecting a mobile phone.
2. The live sound card extension device for realizing simultaneous live broadcast of multiple mobile phones according to claim 1, wherein the sound collection module comprises an audio interface for connecting a microphone or other audio devices and a sound collection microphone for collecting sound signals.
3. The device as claimed in claim 2, wherein the audio interface has a plurality of interfaces, the sound card apparatus further includes a recording option module, the recording option module is located between the audio processing module and the audio transmission module, the recording option module includes a mono mode and a mixing mode:
when a user selects a single sound channel mode, the recording option module only sends a sound signal collected by a sound collection microphone or an audio interface appointed by the user to the audio transmission module;
when a user selects a mixing mode, the recording option module sends sound signals collected by different audio interface combinations appointed by the user to the audio transmission module, or sends sound signals collected by different audio interface and sound collection microphone combinations.
4. The live sound card expansion device for realizing the simultaneous live broadcast of a plurality of mobile phones according to claim 2, wherein the sound card device further comprises a monitoring module, the monitoring module is connected with the recording option module, and the monitoring module is provided with a monitoring interface, and the monitoring interface is used for connecting an earphone.
5. The live sound card expansion device for realizing simultaneous live broadcast of multiple mobile phones according to claim 1, wherein the sound card device further comprises a storage module, the storage module is connected to the audio processing module, the audio processing module receives the digital signal converted by the audio acquisition module and then transmits the digital signal code to the storage module, and the storage module is configured to store the digital signal code by the audio processing module.
6. The live broadcast sound card expansion device for realizing simultaneous live broadcast of multiple mobile phones according to claim 1, wherein the expansion device further comprises a battery and a power management module, the power management module is connected with the battery, the operational amplifier module is connected with an output end of the power management module, and the expansion device further comprises a USB interface, and the USB interface is connected with the charging management module.
7. The live broadcast sound card expansion equipment for realizing simultaneous live broadcast of a plurality of mobile phones according to claim 1, wherein the operational amplifier module is provided with a volume adjusting key for adjusting the volume of the sound signal output by the operational amplifier module.
8. The live sound card extension device for realizing simultaneous live broadcast of multiple mobile phones according to claim 1, wherein the audio output port comprises a Lighting interface and a Type-C interface.
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| CN202010685958.4A CN111857641A (en) | 2020-07-16 | 2020-07-16 | Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones |
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| CN202010685958.4A CN111857641A (en) | 2020-07-16 | 2020-07-16 | Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435676A (en) * | 2020-11-10 | 2021-03-02 | 黄志健 | Audio processing system based on live broadcast |
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