CN218830083U - Recorded broadcast host computer circuit and recorded broadcast host computer - Google Patents
Recorded broadcast host computer circuit and recorded broadcast host computer Download PDFInfo
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- CN218830083U CN218830083U CN202222663220.5U CN202222663220U CN218830083U CN 218830083 U CN218830083 U CN 218830083U CN 202222663220 U CN202222663220 U CN 202222663220U CN 218830083 U CN218830083 U CN 218830083U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application discloses recorded broadcast host computer circuit and recorded broadcast host computer. The recorded broadcast host circuit is applied to the recorded broadcast host, and comprises an audio receiving end, an audio output end, an audio processing circuit and a switch circuit. The audio receiving end is used for receiving audio signals; the audio processing circuit is connected with the audio output end; and the switching circuit is connected among the audio receiving end, the audio output end and the audio processing circuit, when the recording and broadcasting host is powered on, the switching circuit disconnects the audio receiving end and the audio output end and is communicated with the audio receiving end and the audio processing circuit so as to transmit audio signals in a powered-on state, and when the recording and broadcasting host is powered off, the switching circuit disconnects the audio receiving end and the audio processing circuit and is communicated with the audio receiving end and the audio output end so as to transmit the audio signals in a powered-off state. The electric energy can be saved.
Description
Technical Field
The application relates to the technical field of audio signal processing, in particular to a recording and broadcasting host circuit and a recording and broadcasting host.
Background
In the process of recording and broadcasting in a normalized manner, different video signals or audio signals are generally required to be acquired in order to realize the functions of live broadcasting, interaction, recording and the like of the audio and video signals. Taking a teaching scene as an example, the audio signals mainly include audio signals of a teacher area, audio signals of a student area, courseware audio signals and the like. The recording and broadcasting host can collect the audio signals and carry out mixed coding processing on the collected audio signals, and then sends the audio signals subjected to mixed coding processing to the remote equipment through the network so as to carry out interaction or live broadcasting. Simultaneously, the recorded broadcast host computer can also send the audio signal after the mixed coding is handled for the sound equipment in the classroom, carries out the public address through sound equipment to audio signal for the teacher can need not to speak aloud, thereby protects teacher's throat health.
Generally, under the condition that no interactive teaching course exists, the power supply of the recording and broadcasting host can be disconnected, so that electric energy is saved. However, at present, after the recording and broadcasting host is powered off, the recording and broadcasting host cannot send the audio signal to the sound equipment for sound amplification. Therefore, in order to realize the function of amplifying sound at any time, the recording and broadcasting host needs to be in a normal power supply working state. Under the condition that no interactive teaching course exists, the recording and broadcasting host also needs to be in a power supply state, so that the recording and broadcasting host has high electric energy consumption and cannot achieve the purpose of saving electric energy.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides a recording and broadcasting host circuit and a recording and broadcasting host, which can reduce the power consumption of the recording and broadcasting host and save the power.
This application provides a recorded broadcast host computer circuit on the one hand, is applied to the recorded broadcast host computer, the recorded broadcast host computer circuit includes:
the audio receiving end is used for receiving audio signals;
an audio output terminal;
the audio processing circuit is connected with the audio output end; and
the audio frequency receiving terminal, audio frequency output with between the audio frequency processing circuit, when the recorded broadcast host computer circular telegram, switching circuit disconnection audio frequency receiving terminal with the audio frequency output, and the intercommunication the audio frequency receiving terminal with audio frequency processing circuit to transmit under the on-state audio signal, when the recorded broadcast host computer outage, switching circuit disconnection audio frequency receiving terminal with audio frequency processing circuit, and the intercommunication the audio frequency receiving terminal with the audio frequency output, with transmit under the off-state audio signal.
In some embodiments, the audio receiving terminals include a first audio receiving terminal and a second audio receiving terminal, where the first audio receiving terminal and the second audio receiving terminal are respectively connected to the switch circuit, and the switch circuit connects each of the audio receiving terminals to the audio output terminal or connects each of the audio receiving terminals to the audio processing circuit.
In some embodiments, recorded broadcast host computer circuit is including assembling the end, assemble the end connect in switch circuit with between the audio output, when recorded broadcast host computer outage, switch circuit intercommunication first audio receiving terminal with assemble the end, and the intercommunication second audio receiving terminal with assemble the end, first audio receiving terminal with the audio signal that second audio receiving terminal received is in assemble the end and mix the back, through the output of audio output.
In some embodiments, the audio processing circuit includes a first input terminal and a second input terminal, when the recording and playing host is powered on, the switch circuit connects the first audio receiving terminal and the first input terminal, and connects the second audio receiving terminal and the second input terminal, and audio signals received by the first audio receiving terminal and the second audio receiving terminal are mixed in the audio processing circuit and then output through the audio output terminal.
In some embodiments, the recording and broadcasting host circuit includes a first isolation circuit and a second isolation circuit, the first isolation circuit is connected between the first audio receiving terminal and the switch circuit for isolating the audio signal from the switch circuit to the first audio receiving terminal, and the second isolation circuit is connected between the second audio receiving terminal and the switch circuit for isolating the audio signal from the switch circuit to the second audio receiving terminal.
In some embodiments, the switching circuit includes a first switching circuit and a second switching circuit, the first audio receiving terminal is connected to the first switching circuit and is in communication with the audio output terminal through the first switching circuit or is in communication with the audio processing circuit through the first switching circuit, and the second audio receiving terminal is connected to the second switching circuit and is in communication with the audio output terminal through the second switching circuit or is in communication with the audio processing circuit through the second switching circuit.
In some embodiments, the switch circuit includes a switch driving circuit and a switching circuit, the switching circuit is connected between the audio receiving terminal, the audio output terminal and the audio processing circuit, and the on/off of the recording and broadcasting host triggers the switch driving circuit to control the switching circuit to connect the audio receiving terminal and the audio processing circuit or connect the audio receiving terminal and the audio output terminal.
In some embodiments, the recording and broadcasting host circuit further comprises a first wireless receiving circuit and a second wireless receiving circuit, the first wireless receiving circuit is connected with the audio processing circuit, and the second wireless receiving circuit is connected with the sound equipment.
In some embodiments, the first wireless receiving circuit is connected to a power supply of the recording and broadcasting host, the second wireless receiving circuit is connected to a power supply other than the power supply, the power supply supplies power to the first wireless receiving circuit, and the other power supplies supply power to the second wireless receiving circuit.
Another aspect of the present application provides a recording and playing host, where the recording and playing host includes the recording and playing host circuit as described in any of the above.
In the technical scheme of some embodiments of the application, the switch circuit is arranged among the audio receiving end, the audio output end and the audio processing circuit, and the switch circuit is communicated with the audio receiving end and the audio processing circuit or with the audio receiving end and the audio output end under the power-on state and the power-off state of the recording and broadcasting host, so that when the recording and broadcasting host is powered on and powered off, audio signals received by the audio receiving end can be sent to the sound equipment for sound amplification. Like this, need not to carry on under the interactive condition of live, alright with cutting off the power supply to the recorded broadcast host computer to reach the power consumption who reduces the recorded broadcast host computer, practice thrift the purpose of electric energy, and do not influence the public address function use of recorded broadcast host computer.
Drawings
The features and advantages of the present application will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the present application in any way, and in which:
FIG. 1 illustrates a circuit schematic of a recorded broadcast host circuit in some techniques;
fig. 2 shows a block circuit diagram of a recording and broadcasting host circuit according to an embodiment of the present application;
fig. 3 is a circuit block diagram of the recording and broadcasting host circuit in fig. 2 when the recording and broadcasting host is powered on;
fig. 4 is a circuit block diagram of the recording and broadcasting host circuit in fig. 2 when the recording and broadcasting host is powered off;
fig. 5 is a circuit diagram of the recording and broadcasting host circuit in fig. 2;
fig. 6 shows a circuit block diagram of a recording and broadcasting host circuit provided by another embodiment of the present application;
fig. 7 shows a schematic diagram of a recording and broadcasting host provided by an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.
Fig. 1 is a circuit diagram of a recording and broadcasting host circuit 100 according to some techniques. In fig. 1, the recording and broadcasting host circuit 100 includes an audio receiving terminal 11, an audio output terminal 12, a wireless receiving circuit 13, and an audio processing circuit 14.
The audio receiving terminal 11 may be wired to the first external device. The first external device may include a smart interactive tablet 16 (which may also be referred to as a teaching kiosk), a microphone receiver 17. The intelligent interactive tablet 16 can be used for playing audio and video teaching courseware, and the microphone receiver 17 can be used for receiving audio signals collected by the microphone. The recording and broadcasting host circuit 100 can collect the audio signal played in the smart interactive tablet 16 through the audio receiving terminal 11, and the audio signal received by the microphone receiver 17.
The wireless receiving circuit 13 may be wirelessly connected with a second external device. Wherein the second external device may include a wireless microphone 18. The wireless microphone 18 mainly collects audio signals of the speeches and students, and can transmit the collected audio signals to the wireless receiving circuit 13 in a wireless transmission mode. The wireless receiving circuit 13 may convert an audio signal, such as converting an audio signal in a wireless format into an audio signal in a wired format.
The audio processing circuit 14 may be connected to the audio receiving terminal 11 and the wireless receiving circuit 13, and may perform mixing processing on the audio signals received by the audio receiving terminal 11 and the wireless receiving circuit 13. The audio signal after the audio mixing processing can be sent to the remote equipment in a wired or wireless mode so as to carry out interaction or live broadcasting.
Meanwhile, the audio processing circuit 14 may be further connected to the audio output terminal 12, and the audio output terminal 12 may be connected to the sound device 19. The audio processing circuit 14 can also send the audio signal after the audio mixing process to the sound equipment 19 through the audio output terminal 12, and the sound equipment 19 amplifies the audio signal.
In the circuit shown in fig. 1, the audio signal to be transmitted to the remote device and the audio signal to be transmitted to the audio device 19 are processed by the audio processing circuit 14 and then output to the remote device or the audio device 19. Audio processing circuit 14 typically needs to be driven by the driving power to operate properly. For example, audio processing circuit 14 may be an integrated circuit chip. In order to operate the ic chip normally, a driving voltage (e.g., a driving voltage of 5V) needs to be provided to the ic chip. In general, the driving power of the audio processing circuit 14 is provided by the power supply of the recording and broadcasting host circuit 100, and if the recording and broadcasting host circuit 100 is powered off, the audio processing circuit 14 cannot work normally. This makes the recording and broadcasting host circuit 100 still need to be in a power supply state in order to realize the sound amplifying function through the recording and broadcasting host circuit 100 under the condition that the live broadcast interaction is not needed (i.e. the audio signal is not needed to be encoded by the audio processing circuit 14), which results in larger power consumption of the recording and broadcasting host circuit 100.
Referring to fig. 2, a circuit block diagram of a recording and broadcasting host circuit 200 according to an embodiment of the present application is shown. The recording and broadcasting host circuit 200 includes an audio receiving terminal 21, an audio output terminal 22, an audio processing circuit 24, and a switch circuit 24.
In some embodiments, the audio receiver 21 is configured to receive an audio signal. The audio processing circuit 24 is connected to the audio output 22. The switch circuit 20 is connected between the audio receiving terminal 21, the audio output terminal 22 and the audio processing circuit 24, when the recording and playing host is powered on, the switch circuit 20 disconnects the audio receiving terminal 21 and the audio output terminal 22, and connects the audio receiving terminal 21 and the audio processing circuit 24 to transmit audio signals in the powered-on state, when the recording and playing host is powered off, the switch circuit 20 disconnects the audio receiving terminal 21 and the audio processing circuit 24, and connects the audio receiving terminal 21 and the audio output terminal 22 to transmit audio signals in the powered-off state.
Please refer to fig. 3 and 4. Fig. 3 is a circuit block diagram of the recording and broadcasting host circuit 100 in fig. 2 when the recording and broadcasting host is powered on. Fig. 4 is a circuit block diagram of the recording and broadcasting host circuit 100 in fig. 2 when the recording and broadcasting host is powered off.
In fig. 3, the recording and broadcasting host is powered on, the audio processing circuit 24 works normally, and the switch circuit 20 can connect the audio receiving terminal 21 and the audio processing circuit 24 and disconnect the audio receiving terminal 21 and the audio output terminal 22. The audio signal received by the audio receiving end 21 is processed by the audio processing circuit 24, and then can be sent to a remote device for interaction or live broadcast, or output to the sound device 29 through the audio output end 22 for sound amplification.
In fig. 4, the recording and playing host is powered off, the audio processing circuit 24 stops working, and the switch circuit 20 can disconnect the audio receiving terminal 21 and the audio processing circuit 24 and connect the audio receiving terminal 21 and the audio output terminal 22. Thus, the audio signal can be output to the sound device 29 through the audio input terminal 21 and the audio output terminal 22 for sound amplification.
In summary, in the technical solutions of some embodiments of the present application, the switch circuit 20 is disposed between the audio receiving terminal 21, the audio output terminal 22 and the audio processing circuit 24, and the switch circuit 20 is connected to the audio receiving terminal 21 and the audio processing circuit 24 or connected to the audio receiving terminal 21 and the audio output terminal 22 in the power-on state and the power-off state of the recording and playing host, so that when the recording and playing host is powered on and powered off, the audio signal received by the audio receiving terminal 21 can be sent to the sound equipment 29 for sound amplification. Like this, need not to carry on under the interactive condition of live, alright with cutting off the power supply to the recorded broadcast host computer to reach the power consumption who reduces the recorded broadcast host computer, practice thrift the purpose of electric energy, and do not influence the public address function use of recorded broadcast host computer.
Please refer to fig. 5, which is a circuit diagram of the recording and broadcasting host circuit 200 in fig. 2. In fig. 5, the audio receiving end 21 includes a first audio receiving end 211 and a second audio receiving end 212. The first audio receiving terminal 211 and the second audio receiving terminal 212 may be in wired connection with different devices for receiving audio signals of the different devices. In this embodiment, the first audio receiving terminal 211 may be connected to the smart interactive tablet, and the second receiving terminal 212 may be connected to the microphone receiver. It can be understood that the number of the audio receivers 21 can be set according to practical situations, and for this reason, the number of the audio receivers 21 is not limited in the present application.
In the present embodiment, the first audio receiving terminal 211 and the second audio receiving terminal 212 are respectively connected to the switch circuit 20, and the switch circuit 20 connects each audio receiving terminal to the audio output terminal 22 or connects each audio receiving terminal to the audio processing circuit 24. The switch circuit 20 includes a first switch circuit 201 and a second switch circuit 202, the first audio receiving terminal 211 is connected to the first switch circuit 201 and is connected to the audio output terminal 22 through the first switch circuit 201, or is connected to the audio processing circuit 24 through the first switch circuit 201, and the second audio receiving terminal 212 is connected to the second switch circuit 202 and is connected to the audio output terminal 22 through the second switch circuit 202, or is connected to the audio processing circuit 24 through the second switch circuit 202. Thus, different audio receiving terminals 21 are connected to the audio output terminal 22 or the audio processing circuit 24 through different switch circuits 20, which is more flexible and convenient in switch control and simpler in circuit design.
Further, in some embodiments, the switch circuit 20 may include switch driving circuits 2012 and 2022 and switching circuits 2011 and 2021, the switching circuits 2011 and 2012 are connected between the audio receiving terminal 21, the audio output terminal 22 and the audio processing circuit 24, and the on/off of the recording and playing host triggers the switch driving circuits 2012 and 2022 to control the switching circuits 2011 and 2021 to connect the audio receiving terminal 21 and the audio processing circuit 24 or connect the audio receiving terminal 21 and the audio output terminal 22. The switch driving circuits 2012 and 2022 are triggered by the on-off of the recording and broadcasting host, so that the switch driving circuits 2012 and 2022 can be controlled to work without arranging other control circuits. Thus, circuit cost can be saved.
Specifically, the first switch circuit 201 may include a first switch drive circuit 2012 and a first switch circuit 2011. The recording and broadcasting host is powered on and off to trigger the first switch driving circuit 2012 to control the first switching circuit 2011 to be communicated with the audio receiving end 21 and the audio processing circuit 24 or to be communicated with the audio receiving end 21 and the audio output end 22; the second switch circuit 202 may include a second switch driving circuit 2022 and a second switching circuit 2021. The on-off of the recording and broadcasting host triggers the second switch driving circuit 2022 to control the second switching circuit 2021 to connect the audio receiving terminal 21 and the audio processing circuit 24, or connect the audio receiving terminal 21 and the audio output terminal 22.
In some embodiments, the first switch circuit 201 and the second switch circuit 202 may each include a relay. The electromagnetic coil of the relay may serve as the switch drive circuits 2012 and 2022, and the contact assembly of the relay may serve as the switching circuits 2011 and 2021. The electromagnetic coil of the relay can be powered by the power supply of the recording and broadcasting host. Therefore, the on-off of the recording and broadcasting host can control the on-off of the electromagnetic coil, and the on-off of the electromagnetic coil can also control the switching of the contact assembly, so that the on-off trigger switch driving circuits 2012 and 2022 of the recording and broadcasting host can control the switching circuits 2011 and 2021 to switch, and the switching circuits 2011 and 2021 can control the audio receiving end 21 to be communicated with the audio processing circuit 24 or to be communicated with the audio output end 22 in the power-on state and the power-off state of the recording and broadcasting host.
In some embodiments, the recording and broadcasting host circuit 200 may further include convergence ends a and B, where the convergence ends a and B are connected between the switch circuit 20 and the audio output end 22, when the recording and broadcasting host is powered off, the switch circuit 20 connects the first audio receiving end 211 and the convergence ends a and B, and connects the second audio receiving end 212 and the convergence ends a and B, and audio signals received by the first audio receiving end 211 and the second audio receiving end 212 are mixed at the convergence ends a and B and then output through the audio output end 22. At the convergence ends a and B, the audio signals of different audio receiving ends 21 may be superimposed in hardware, and the superimposed audio signals may be output to the public address device 29 through the audio output end 22, so as to perform public address.
In some embodiments, the audio processing circuit 24 includes first input terminals P1, P2 and second input terminals P3, P4, when the recording and broadcasting host is powered on, the switch circuit 20 connects the first audio receiving terminal 211 and the first input terminals P1, P2, and connects the second audio receiving terminal 212 and the second input terminals P3, P4, and audio signals received by the first audio receiving terminal 211 and the second audio receiving terminal 212 are mixed in the audio processing circuit 24 and then output through the audio output terminal 22. The audio processing circuit 24 may perform mixing processing on the audio signals of different audio receiving terminals 21 from software, and output the mixed audio signals to the public address device 29 through the audio output terminal 22 for public address.
In some embodiments, the recording and broadcasting host circuit 200 may further include a first isolation circuit 291 and a second isolation circuit 292, the first isolation circuit 291 being connected between the first audio receiving terminal 211 and the switch circuit 20 for isolating audio signals from the switch circuit 20 to the first audio receiving terminal 211, and the second isolation circuit 292 being connected between the second audio receiving terminal 212 and the switch circuit 20 for isolating audio signals from the switch circuit 20 to the second audio receiving terminal 212. Therefore, the audio signal of the first audio receiving end 211 can be prevented from reversely flowing into the second audio receiving end 212 through the convergence ends a and B, and meanwhile, the audio signal of the second audio receiving end 212 can be prevented from reversely flowing into the first audio receiving end 211 through the convergence ends a and B, so that the first audio receiving end 211 and the second audio receiving end 212 are isolated from each other.
Referring to fig. 6, a circuit block diagram of a recording and broadcasting host circuit 300 according to another embodiment of the present application is shown. Fig. 6 is substantially similar to fig. 5, and the main difference is that, compared to fig. 5, the recording and broadcasting host circuit 300 in fig. 6 further includes a first wireless receiving circuit 351 and a second wireless receiving circuit 352, the first wireless receiving circuit 351 is connected to the audio processing circuit 34, and the second wireless receiving circuit 352 is connected to the audio device 39. The first wireless receiving circuit 351 and the second wireless receiving circuit 352 can receive audio signals transmitted by wireless. When the recording and broadcasting host is powered on and the audio processing circuit 34 works normally, the audio signal can be received through the first wireless receiving circuit 351. After the audio processing circuit 34 processes the audio signal received by the first wireless receiving circuit 351, the processed audio signal may be output to the sound equipment 39 through the audio output terminal 32, or sent to a remote device for interaction or live broadcast. When the recording and broadcasting host is powered off and the audio processing circuit 34 is not in operation, the audio signal can be received through the second wireless receiving circuit 352. The second wireless receiving circuit 352 may directly send the received audio signal to the acoustic device 39 for sound amplification. Like this, when recorded broadcast host computer circular telegram and outage, audio signal who sends the recorded broadcast host computer through wireless mode also all can carry out the public address through audio equipment 39, and the suitability is better.
In some embodiments, the first wireless receiving circuit 351 and the second wireless receiving circuit 352 may also include circuit components that require power to operate. In view of this, the first wireless receiving circuit 351 may be connected to a power supply 361 of the recording and broadcasting host, the second wireless receiving circuit 352 may be connected to a power supply 362 other than the power supply 361, the power supply 361 supplies power to the first wireless receiving circuit 351, and the other power supply 362 supplies power to the second wireless receiving circuit 352. For circuit components of the recording and broadcasting host circuit 300 that need to be driven by electric energy to operate, the power supply 361 may supply power to all other circuit components except the second wireless receiving circuit 352, and the other power supplies 362 may only supply power to the second wireless receiving circuit 352. When the recording and broadcasting host is powered off, the power supply 361 can be cut off, and other power supplies 362 can be reserved. Therefore, when the recording and broadcasting host is powered off, circuit components except the second wireless receiving circuit 352 can be powered off, the purpose of saving electric energy is achieved, the second wireless receiving circuit 352 can continue to work, and normal transmission of wireless audio signals is guaranteed.
Fig. 7 is a schematic diagram of a recording and broadcasting host 400 according to an embodiment of the present application. Recording host 400 may include the recording host circuitry of fig. 2 or fig. 6.
In some embodiments, when the recording and broadcasting host 400 includes the recording and broadcasting host circuit 300 in fig. 6, other circuit components besides the second wireless receiving circuit 352 may be disposed inside the recording and broadcasting host 400, and the second wireless receiving circuit 352 may be disposed outside the recording and broadcasting host 400. The external portion of the recording and broadcasting host 400 includes the outer side of the casing of the recording and broadcasting host 400, or other devices outside the recording and broadcasting host 400. For example, the second wireless receiving circuit 352 may be provided on the housing of the recording and playing host 400, or may be provided on an audio device.
Since the recording and broadcasting host 400 includes the recording and broadcasting host circuit in fig. 2 or fig. 6, the recording and broadcasting host circuit has the same beneficial effects as the recording and broadcasting host circuit, and the description of the present application is omitted.
Although the embodiments of the present application have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A recorded broadcast host circuit is applied to a recorded broadcast host, and is characterized in that the recorded broadcast host circuit comprises:
the audio receiving end is used for receiving audio signals;
an audio output terminal;
the audio processing circuit is connected with the audio output end; and
the switch circuit is connected with the audio receiving end, the audio output end and between the audio processing circuits, when the recorded broadcast host is powered on, the switch circuit is disconnected with the audio receiving end and the audio output end and is communicated with the audio receiving end and the audio processing circuits so as to transmit the audio signals under the power-on state, when the recorded broadcast host is powered off, the switch circuit is disconnected with the audio receiving end and the audio processing circuits and is communicated with the audio receiving end and the audio output end so as to transmit the audio signals under the power-off state.
2. The recorded broadcast host circuit of claim 1, wherein the audio receivers comprise a first audio receiver and a second audio receiver, the first audio receiver and the second audio receiver are respectively connected to the switch circuit, and the switch circuit connects each of the audio receivers to the audio output terminal or connects each of the audio receivers to the audio processing circuit.
3. The recording and broadcasting host circuit according to claim 2, wherein the recording and broadcasting host circuit includes a convergence end, the convergence end is connected between the switch circuit and the audio output end, when the recording and broadcasting host is powered off, the switch circuit connects the first audio receiving end and the convergence end, and connects the second audio receiving end and the convergence end, and audio signals received by the first audio receiving end and the second audio receiving end are output through the audio output end after being mixed at the convergence end.
4. The recording and broadcasting host circuit of claim 2, wherein the audio processing circuit includes a first input terminal and a second input terminal, and when the recording and broadcasting host is powered on, the switch circuit connects the first audio receiving terminal and the first input terminal, and connects the second audio receiving terminal and the second input terminal, and audio signals received by the first audio receiving terminal and the second audio receiving terminal are output through the audio output terminal after being subjected to audio mixing processing in the audio processing circuit.
5. The recorded broadcast host circuit of claim 2, including a first isolation circuit coupled between the first audio receiving terminal and the switch circuit for isolating audio signals from the switch circuit to the first audio receiving terminal, and a second isolation circuit coupled between the second audio receiving terminal and the switch circuit for isolating audio signals from the switch circuit to the second audio receiving terminal.
6. The recorded broadcast host circuit of claim 2, wherein the switching circuit includes a first switching circuit and a second switching circuit, the first audio receiving terminal is connected to the first switching circuit and is in communication with the audio output terminal via the first switching circuit or is in communication with the audio processing circuit via the first switching circuit, and the second audio receiving terminal is connected to the second switching circuit and is in communication with the audio output terminal via the second switching circuit or is in communication with the audio processing circuit via the second switching circuit.
7. The recording and broadcasting host circuit of claim 1, wherein the switch circuit comprises a switch driving circuit and a switching circuit, the switching circuit is connected between the audio receiving terminal, the audio output terminal and the audio processing circuit, and the on/off of the recording and broadcasting host triggers the switch driving circuit to control the switching circuit to connect the audio receiving terminal and the audio processing circuit or connect the audio receiving terminal and the audio output terminal.
8. The recorded broadcast host circuit of claim 1, further comprising a first wireless receiving circuit and a second wireless receiving circuit, the first wireless receiving circuit coupled to the audio processing circuit and the second wireless receiving circuit coupled to an audio device.
9. The recording and broadcasting host circuit of claim 8, wherein the first wireless receiving circuit is connected to a power supply of the recording and broadcasting host, the second wireless receiving circuit is connected to a power supply other than the power supply, the power supply supplies power to the first wireless receiving circuit, and the other power supply supplies power to the second wireless receiving circuit.
10. A recording and broadcasting host, comprising:
the recorded broadcast host circuit of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663220.5U CN218830083U (en) | 2022-10-10 | 2022-10-10 | Recorded broadcast host computer circuit and recorded broadcast host computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663220.5U CN218830083U (en) | 2022-10-10 | 2022-10-10 | Recorded broadcast host computer circuit and recorded broadcast host computer |
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| Publication Number | Publication Date |
|---|---|
| CN218830083U true CN218830083U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222663220.5U Active CN218830083U (en) | 2022-10-10 | 2022-10-10 | Recorded broadcast host computer circuit and recorded broadcast host computer |
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| Country | Link |
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| CN (1) | CN218830083U (en) |
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