TW202341763A - Multi-user voice communication system having broadcast mechanism - Google Patents

Abstract

A multi-user voice communication system having a broadcast mechanism is provided. The system includes a plurality of wireless voice communication devices and an audio broadcast main device. Each of the wireless voice communication devices includes first and second voice communication salve devices. The first voice communication salve devices receive and wirelessly transmit first audio streams. The audio broadcast main device is connected wirelessly to the first voice communication salve devices. The audio broadcast main device receives the first audio streams from the first voice communication salve devices and mixes the first audio streams to generate a mixed audio signal. The audio broadcast main device broadcasts the mixed audio signal. The first and second voice communication salve devices of the wireless voice communication devices receive and then play the mixed audio signal broadcasted by the audio broadcast main device.

Description

Multi-person voice call system with broadcast mechanism

The present invention relates to a multi-person voice call system, and in particular to a multi-person voice call system with a broadcast mechanism.

In recent years, true wireless Bluetooth headsets with separated ears do not require the use of headphone cables to connect to mobile phones, so they have become very popular in the market. However, the call function of standard Bluetooth headsets is limited to one-to-one two-way calls between the mobile phone and the headset.

The standard Bluetooth network allows a master device to establish a connection with up to 7 slave devices. To establish a many-to-many call network, the first audio stream received by the microphones of multiple slave devices can be It is transmitted to the master device through a connection. The master device mixes all the audio streams and then transmits them back to the speakers of each slave device in sequence for broadcast. The left and right ears of a true wireless Bluetooth headset are independent Bluetooth devices. A pair of headphones requires two connections to the main device, and three pairs of headphones require six connections. This limits the number of headsets that can participate in many-to-many calls. In addition, since the left and right earphones receive the first audio stream at different times, it is difficult to play it simultaneously.

The technical problem to be solved by the present invention is to provide a multi-person voice call system with a broadcast mechanism in view of the shortcomings of the existing technology, including a plurality of wireless voice call devices and an audio broadcast master device. Each wireless voice call device includes a first voice call slave device and a second voice call slave device. The first voice call slave device is configured to receive the first audio stream and then wirelessly transmit the first audio stream. The audio broadcast master device wirelessly connects a plurality of first voice call slave devices of a plurality of wireless voice call devices to receive a plurality of first audio streams respectively from the plurality of first voice call slave devices, and converts the received plurality of first audio streams The streams are mixed to produce a mixed signal. The audio broadcast master device is configured to establish a broadcast group so that the first voice call slave device and the second voice call slave device of each wireless voice call device join, and then receive and play the mixed signal broadcast by the audio broadcast master device to the broadcast group. .

In an embodiment, each wireless voice call device is a Bluetooth headset.

In an embodiment, each audio broadcast master device includes a Bluetooth headset or a mobile phone.

In an embodiment, the audio broadcast master device includes a master connection management component, a mixing component, and a broadcast component. The master connection management element wirelessly connects a plurality of first voice call slave devices of a plurality of wireless voice call devices. The master connection management element is configured to wirelessly receive a plurality of first audio streams from a plurality of first voice call slave devices respectively. The main connection management element then transmits a plurality of first audio streams. The mixing components are connected to the main wire management components. The mixing component is configured to mix a plurality of first audio streams received from the main connection management component to generate a mixing signal. The broadcast components are connected to the mixing components. The broadcast component is configured to create a broadcast group and broadcast the mixed signal generated by the mixing component to this broadcast group.

In an embodiment, the audio processing component further includes a main radio component. The main radio component is connected to the mixing component. The main radio component is configured to receive the main audio stream and then transmit the main audio stream to the mixing component. The mixing component mixes the main audio stream and the plurality of first audio streams to generate a mixing signal.

In an embodiment, the audio processing component further includes a main audio playing component. The main audio playback component is connected to the mixing component. The main audio playback component is configured to play the mixed signal generated by the mixing component.

In an embodiment, the first voice call slave device of each wireless voice call device includes a first slave connection management component and a first broadcast receiving component. The first slave connection management element is connected to the master connection management element. The first slave connection management element is configured to wirelessly transmit the first audio stream to the master connection management element. The first broadcast receiving component is configured to join the broadcast group to receive the mixed signal broadcast by the broadcast component.

In an embodiment, the first voice call slave device of each wireless voice call device further includes a first slave sound collecting element. The first slave radio component is connected to the main connection management component. The first slave radio component is configured to receive the first audio stream. The first slave connection management component wirelessly transmits the first audio stream received by the first slave radio component to the master connection management component.

In an embodiment, the first voice call slave device of each wireless voice call device further includes a first audio playback component. The first audio playing component is connected to the first broadcast receiving component. The first audio playing component is configured to play the mixed signal received by the first broadcast receiving component.

In an embodiment, the second voice call slave device of each wireless voice call device includes a second broadcast receiving component and a second audio playing component. The second broadcast receiving component is configured to join the broadcast group to receive the mixed signal broadcast by the broadcast component. The second audio playing component is connected to the second broadcast receiving component number. The second audio playing component is configured to play the mixed signal received by the second broadcast receiving component.

As mentioned above, the present invention provides a multi-person voice call system with a broadcast mechanism, in which only one connection is established between each pair of wireless voice call devices (such as Bluetooth headsets) and the audio broadcast master device to communicate through this connection. Lines transmit audio streams of the user's speech from each pair of wireless voice call devices to the audio broadcast master device. Then, the audio broadcast master device mixes multiple audio streams received from multiple wireless voice call devices for multiple people, and then broadcasts the mixed audio streams.

Furthermore, if necessary, the audio broadcast master device itself can also receive the audio stream of the user's speech. The audio broadcast master device mixes the audio stream it receives with multiple audio streams received from multiple wireless voice call devices. audio, and then broadcast the mixed audio stream.

Finally, the left and right ears of each pair of Bluetooth headsets can simultaneously receive and play the mixed audio stream broadcast by the audio broadcast master device, allowing multiple people to make multi-directional calls at the same time through multiple Bluetooth headsets.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and illustration and are not used to limit the present invention.

The following is a specific example to illustrate the implementation of the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depictions based on actual dimensions, as is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the scope of the present invention. In addition, the term "or" used in this article shall include any one or combination of more of the associated listed items, depending on the actual situation.

Please refer to FIG. 1 , which is a schematic diagram of a conversation between multiple headsets of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention. The multi-person voice call system in the embodiment of the present invention may include multiple wireless voice call devices, such as but not limited to three wireless voice call devices 101 to 103 as shown in FIG. 1 , and an audio broadcast master device 601 .

The wireless voice call devices 101 to 103 may be devices with sound collection and broadcasting functions, such as Bluetooth headsets. In this embodiment, three wireless voice call devices 101 to 103 are used as examples, but the invention is not limited thereto. In practice, the number of wireless voice calling devices used can be increased or reduced according to the number of voice calls.

In this embodiment, the audio broadcast master device 601 may be a device with mixing and broadcasting functions, as well as sound collection and broadcasting functions, such as but not limited to a mobile phone as shown in FIG. 1 . However, in practice, the audio broadcast master device 601 may be a device that only has a mixing function and a broadcasting function, but does not have a voice call function.

As shown in FIG. 1 , the wireless voice call device 101 may include a first voice call slave device 11 and a second voice call slave device 21 . The wireless voice call device 102 may include a first voice call slave device 12 and a second voice call slave device 22 . The wireless voice call device 103 may include a first voice call slave device 13 and a second voice call slave device 23 .

Each of the first voice call slave devices 11 to 13 may be, for example, one of a left ear Bluetooth headset and a right ear Bluetooth headset, and each of the second voice call slave devices 21, 22, 23 may be, for example, a left ear Bluetooth headset and a right ear Bluetooth headset. Another one of the Bluetooth headsets, but the present invention is not limited thereto.

If the audio broadcast master device 601 does not have a voice call function, multiple people can hold multiple wireless voice call devices 101 to 103 respectively to make voice calls, and one of them holds the audio broadcast master device 601, as described in detail below.

In the process of multiple people making voice calls, multiple people can wear or carry multiple wireless voice calling devices 101 to 103 respectively. The plurality of first voice call slave devices 11 to 13 of the plurality of wireless voice call devices 101 to 103 respectively receive the sounds spoken by multiple people, thereby respectively generating a plurality of first audio streams, which are wirelessly transmitted to the audio broadcast master device 601 . Then, the audio broadcast master device 601 may mix multiple first audio streams of multiple people to generate a mixed signal.

The audio broadcast master device 601 can establish a broadcast group (Broadcast Isochronous Group, BIG), allowing the first voice call slave device 11 and the second voice call slave device 21 of each wireless voice call device 101 to join the broadcast group. Finally, the audio broadcast master device 601 can broadcast the mixed signal to the broadcast group, so that the plurality of first voice call slave devices 11 to 13 and the plurality of second voice call slave devices of the plurality of wireless voice call devices 101 to 103 can Devices 21~23 can receive and play the mixed signal so that everyone can hear the sound of multiple conversations.

On the contrary, if the audio broadcast master device 601 not only has a mixing function and a broadcast function, but also has a voice call function, multiple people can hold multiple wireless voice call devices 101 to 103 and the audio broadcast master device 601 respectively to make voice calls, as follows Detailed description.

In the process of multiple people making voice calls, multiple people can wear or carry multiple wireless voice calling devices 101 to 103 respectively. The plurality of first voice call slave devices 11 to 13 of the plurality of wireless voice call devices 101 to 103 respectively receive the sounds spoken by multiple people, thereby respectively generating a plurality of first audio streams, which are wirelessly transmitted to the audio broadcast master device 601 . The audio broadcast main device 601 can also receive the voice spoken by the person holding the audio broadcast main device 601 to generate the main audio stream accordingly. Then, the audio broadcast master device 601 can mix the plurality of first audio streams of the plurality of wireless voice call devices 101 to 103 with the main audio stream of the audio broadcast master device 601 to generate a mixed signal.

The audio broadcast master device 601 can establish a broadcast group, allowing the audio broadcast master device 601 itself and the first voice call slave device 11 and the second voice call slave device 21 of each wireless voice call device 101 to join the broadcast group. Finally, the audio broadcast master device 601 can broadcast the mixed signal to the broadcast group, allowing the first voice call slave devices 11 to 13 and the second voice call slave devices 21 to 23 of the multiple wireless voice call devices 101 to 103 Mixed signals can be played. The audio broadcast master device 601 itself can also play the mixed signal.

Please refer to FIG. 2 , which is a schematic diagram of a call between multiple headsets and a mobile phone of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

As shown in FIG. 2 , the multi-person voice call system according to the embodiment of the present invention may include multiple wireless voice call devices 101 to 103 and an audio broadcast master device 602 .

The plurality of wireless voice call devices 101 to 103 may be Bluetooth headsets or other devices with voice call functions. Different from the audio broadcast main device 601 in Figure 1, which is a mobile phone, the audio broadcast main device 602 in this embodiment may include a Bluetooth headset, a mixing component and a broadcast component as shown in Figure 2. This is only an example, and the present invention does not This is the limit.

Please refer to FIG. 3 , which is a block diagram of an audio broadcast main device and a plurality of wireless voice communication devices of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

The multi-person voice call system according to the embodiment of the present invention may include multiple wireless voice call devices, such as the wireless voice call devices 101 and 102 shown in FIG. 3 , and may include an audio broadcast master device 601 . In this embodiment, two wireless voice call devices 101 and 102 are taken as an example. However, in practice, the number of wireless voice call devices used for multi-person voice calls can be increased or reduced depending on the number of people making voice calls.

The plurality of wireless voice call devices 101 and 102 and the audio broadcast master device 601 respectively perform the same or similar operations as the above-mentioned same components, which are as mentioned above and will not be described again here.

Please refer to FIGS. 4 and 5 . FIG. 4 is a block diagram of multiple circuit components in the audio broadcast main device of the multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention. FIG. 5 is a specific embodiment of the present invention. A block diagram of multiple circuit components and multiple wireless voice communication devices in the audio broadcast main device of the multi-person voice communication system of the broadcast mechanism.

The multi-person voice call system according to the embodiment of the present invention may include multiple wireless voice call devices, such as the multiple wireless voice call devices 101 and 102 shown in FIG. 5 , and may include an audio broadcast master device as shown in FIGS. 4 and 5 603.

As shown in FIGS. 4 and 5 , the audio broadcast main device 603 may include a main connection management component 61 , a mixing component 621 , a broadcast component 622 , a main radio component 63 and a main audio playback component 64 . The mixing component 621 can be connected to the main connection management component 61 , the broadcast component 622 , the main radio component 63 and the main audio playback component 64 .

In this embodiment, the mixing component 621 and the broadcast component 622 can be built into the audio broadcast main device 603, but this is only an example and the invention is not limited thereto. In practice, the mixing component 621 or the broadcast component 622 can be replaced by an independent device, which is located outside the audio broadcast main device 603 .

The first voice call slave device 11 of the wireless voice call device 101 can be one of a left ear Bluetooth headset and a right ear Bluetooth headset, and the second voice call slave device 21 of the wireless voice call device 101 can be a left ear Bluetooth headset. and another in the right ear Bluetooth headset.

Similarly, the first voice call slave device 12 of the wireless voice call device 102 can be one of a left ear Bluetooth headset and a right ear Bluetooth headset, and the second voice call slave device 22 of the wireless voice call device 102 can be a left ear Bluetooth headset. Bluetooth headset and the other of the right ear Bluetooth headset.

The master connection management component 61 of the audio broadcast master device 60 can wirelessly connect the plurality of first voice call slave devices 11 and 12 of the plurality of wireless voice call devices 101 and 102 respectively. It is worth noting that the second voice call slave devices 21 and 22 of the plurality of wireless voice call devices 101 and 102 are not connected to the main connection management component 61 of the audio broadcast master device 60.

That is to say, only one (Bluetooth, such as L2CAP, SCO or CIS) connection is established between one of the voice call slave devices and the audio broadcast master device 60 in each wireless voice call device. There is no need to establish a (Bluetooth) connection between another voice call slave device of each wireless voice call device and the audio broadcast master device 60 .

The main connection management component 61 of the audio broadcast master device 603 can wirelessly receive the sounds of multi-person conversations from the plurality of first voice call slave devices 11 and 12 of the plurality of wireless voice call devices 101 and 102 respectively to generate a plurality of first voice call slaves. The audio stream then transmits a plurality of first audio streams to the main connection management component 61 of the audio broadcast main device 603 .

The audio mixing component 621 of the audio broadcast master device 603 can combine the plurality of first audio streams received by the master connection management component 61 from the plurality of first voice call slave devices 11 and 12 (with the master audio stream of the audio broadcast master device 603 The main audio stream received by the component 63 itself is mixed to generate a mixed signal.

Finally, the broadcast component 622 of the audio broadcast main device 603 can establish a broadcast group and broadcast the mixed signal generated by the mixing component 621 of the audio broadcast main device 603, for example but not limited to using the broadcast in Bluetooth standard specification version 5.2. Broadcast Isochronous Streams (BIS) allows the multiple first voice call slave devices 11 and 12 and the second voice call slave devices 21 and 22 of the multiple wireless voice call devices 101 and 102 that join this broadcast group. Receive and play mixed signals. If necessary, the main audio playback component 64 of the audio broadcast main device 603 can also play the mixed signal.

Please refer to FIGS. 6 to 8 . FIG. 6 is a block diagram of a first wireless voice call device of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention. FIG. 7 is a block diagram of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention. A block diagram of the second wireless voice call device of the human voice call system. Figure 8 shows multiple circuit components and multiple wireless voice call devices in the audio broadcast main device of the multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention. A block diagram of multiple circuit components within.

As shown in FIG. 8 , the multi-person voice call system according to the embodiment of the present invention may include an audio broadcast master device 603 and a plurality of wireless voice call devices 101 and 102 . The wireless voice call device 101 may include a first voice call slave device 11 and a second voice call slave device 21 . The wireless voice call device 102 may include a first voice call slave device 12 and a second voice call slave device 22 .

As shown in FIGS. 6 and 8 , the first voice call slave device 11 may include a first slave connection management component 711 , a first broadcast receiving component 721 , a first slave sound collection component 731 and a first audio playback component 741 . The first slave connection management component 711 can be connected to the first slave radio component 731 and can be connected to the master connection management component 61 of the audio broadcast master device 603 . The first broadcast receiving component 721 can be connected to the first audio playing component 741 .

It is worth noting that, unlike the circuit element configuration in the first voice call slave device 11, as shown in Figures 7 and 8, the second voice call slave device 21 only includes a second broadcast receiving component 811 and a first audio playback component. 911 (such as a speaker), and does not include any connection management components and sound pickup components (such as a microphone). The second broadcast receiving component 811 is connected to the first audio playing component 911 .

Similarly, as shown in FIG. 8 , the first voice call slave device 12 may also include a first slave connection management component 712 , a first broadcast receiving component 722 , a first slave sound collection component 732 and a first audio playback component 742 . The first slave connection management component 712 can be connected to the first slave radio component 732 and can be connected to the master connection management component 61 of the audio broadcast master device 603 . The first broadcast receiving component 722 can be connected to the first audio playing component 742 .

Similarly, different from the circuit component configuration in the first voice call slave device 12, as shown in Figure 8, the second voice call slave device 22 only includes a second broadcast receiving component 812 and a first audio playback component 912 (such as a speaker). It does not include any connection management components and sound pickup components (such as microphones). The second broadcast receiving component 812 is connected to the first audio playing component 912 .

As shown in FIG. 8 , the audio broadcast main device 603 may include a main connection management component 61 , a mixing component 621 , a broadcast component 622 , a main sound collection component 63 and a main audio playback component 64 . The mixing component 621 can be connected to the main connection management component 61 , the broadcast component 622 , the main radio component 63 and the main audio playback component 64 .

During the multi-person voice conversation, the main sound collecting element 63 of the audio broadcast master device 603, the first slave sound collecting element 731 of the first voice call slave device 11 of the wireless voice call device 101, and the first voice call of the wireless voice call device 102 The first slave sound-collecting component 732 of the slave device 12 can respectively collect the voices of multiple people talking, thereby generating a plurality of first audio streams respectively.

As shown in FIG. 8 , the first slave connection management component 711 of the first voice call slave device 11 of the wireless voice call device 101 can wirelessly transmit the first audio stream (Bluetooth) generated by the first slave sound collecting component 731 to the audio signal. The main connection management component 61 of the broadcast main device 603 is broadcast.

Similarly, the first slave connection management element 712 of the first voice call slave device 12 of the wireless voice call device 102 can transmit the first audio stream (Bluetooth) generated by the first slave sound collecting element 732 of the first voice call slave device 12 to ) is wirelessly transmitted to the main connection management component 61 of the audio broadcast main device 603 .

The main connection management component 61 of the audio broadcast master device 603 can combine the first audio stream of the first voice call slave device 11 of the wireless voice call device 101 and the first audio stream of the first voice call slave device 12 of the wireless voice call device 102 The stream is transmitted to the mixing unit 621 of the audio broadcast main device 603. The main sound collecting component 63 of the audio broadcast main device 603 can also collect sound and generate a main audio stream to the mixing unit 621 accordingly.

In the audio broadcast master device 603, the mixing component 621 can receive a plurality of first audio streams from the plurality of wireless voice call devices 101, 102 (with the main audio stream of the main radio component 63 of the audio broadcast master device 603). Mixing is performed to produce a mixed signal. The broadcast component 622 of the audio broadcast main device 603 can broadcast the mixed signal generated by the mixing component 621 .

Finally, the first broadcast receiving element 721 of the first voice call slave device 11 of the wireless voice call device 101, the first broadcast receiving element 722 of the first voice call slave device 12 of the wireless voice call device 102, and the first broadcast receiving element 722 of the first voice call slave device 12 of the wireless voice call device 102. The second broadcast receiving component 811 of the second voice call slave device 21 and the second broadcast receiving component 812 of the second voice call slave device 22 of the wireless voice call device 102 can join a broadcast component 622 of the audio broadcast master device 603. The broadcast group is used to receive the mixed signal broadcast by the broadcast component 622 of the audio broadcast master device 603 on a specific channel.

The first audio playback component 741 of the first voice call slave device 11 of the wireless voice call device 101, the first audio playback component 742 of the first voice call slave device 12 of the wireless voice call device 102, and the second audio playback component 742 of the first voice call slave device 12 of the wireless voice call device 101. The first audio playback component 911 of the voice call slave device 21 and the first audio playback component 912 of the second voice call slave device 22 of the wireless voice call device 102 can play the mixed signal broadcast by the broadcast component 622 of the audio broadcast master device 603 .

If necessary, the main audio playing component 64 of the audio broadcasting main device 603 can also play the mixing signal generated by the mixing component 621 of the audio broadcasting main device 603 .

In this way, everyone who is having a multi-person voice conversation can use the audio broadcast main device 603 of the multi-person voice call system of the present invention and the plurality of wireless voice call devices 101 and 102 to receive real-time information from the played mixed signal. Hear what everyone has to say.

In summary, the present invention provides a multi-person voice call system with a broadcast mechanism, in which only one connection is established between each pair of wireless voice call devices (such as Bluetooth headsets) and the audio broadcast master device, so as to communicate through this connection. A connection transmits an audio stream of the user's speech from each pair of wireless voice calling devices to the audio broadcast master device. Then, the audio broadcast master device mixes multiple audio streams received from multiple wireless voice call devices for multiple people, and then broadcasts the mixed audio streams.

Furthermore, if necessary, the audio broadcast master device itself can also receive the audio stream of the user's speech. The audio broadcast master device mixes the audio stream it receives with multiple audio streams received from multiple wireless voice call devices. audio, and then broadcast the mixed audio stream.

Finally, the left and right ears of each pair of Bluetooth headsets can simultaneously receive and play the mixed audio stream broadcast by the audio broadcast master device, allowing multiple people to make multi-directional calls at the same time through multiple Bluetooth headsets.

The contents disclosed above are only preferred and feasible embodiments of the present invention, and do not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

101, 102, 103: Wireless voice call device 11, 12, 13: First voice call slave device 21, 22, 23: Second voice call slave device 601, 602, 603: Audio broadcast master device 61: Main connection management component 621: Mixing components 622:Broadcast component 63: Main radio component 64: Main audio playback component 731, 732: The first slave radio component 741, 742: First audio playback component 911, 912: The first audio playback component 711, 712: First slave connection management component 721, 722: First broadcast receiving element 811, 812: Second broadcast receiving component

FIG. 1 is a schematic diagram of a conversation between multiple headsets of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a call between multiple headsets and a mobile phone of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

FIG. 3 is a block diagram of an audio broadcast main device and multiple wireless voice communication devices of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

FIG. 4 is a block diagram of multiple circuit components in the audio broadcast main device of the multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

FIG. 5 is a block diagram of multiple circuit components and multiple wireless voice communication devices in the audio broadcast main device of the multi-person voice communication system with a broadcast mechanism according to an embodiment of the present invention.

FIG. 6 is a block diagram of a first wireless voice call device of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

FIG. 7 is a block diagram of a second wireless voice call device of a multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

8 is a block diagram of multiple circuit components in the audio broadcast main device and multiple circuit components in multiple wireless voice communication devices of the multi-person voice call system with a broadcast mechanism according to an embodiment of the present invention.

101, 102: Wireless voice call device

11, 12: First voice call slave device

21, 22: Second voice call slave device

603: Audio broadcast master device

Claims (10)

A multi-person voice call system with a broadcast mechanism, including: A plurality of wireless voice call devices, each of the wireless voice call devices includes a first voice call slave device and a second voice call slave device, the first voice call slave device is configured to receive a first audio stream, and then wirelessly transmit the first audio stream; and An audio broadcast master device wirelessly connects the plurality of first voice call slave devices of the plurality of wireless voice call devices to receive the plurality of first audio streams respectively from the plurality of first voice call slave devices, and will receive The plurality of first audio streams are mixed to generate a mixed signal, and configured to establish a broadcast group for the first voice call slave device and the second voice call slave device of each wireless voice call device to join Then, receive and play the mixed signal broadcasted by the audio broadcast master device to the broadcast group. The multi-person voice call system with broadcast mechanism as claimed in claim 1, wherein each wireless voice call device is a Bluetooth headset. The multi-person voice call system with broadcast mechanism as described in claim 1, wherein each audio broadcast master device includes a Bluetooth headset or a mobile phone. The multi-person voice call system with broadcast mechanism as described in claim 1, wherein the audio broadcast main device includes: A master connection management element, wirelessly connected to the plurality of first voice call slave devices of the plurality of wireless voice call devices, and configured to wirelessly receive the plurality of first audio streams from the plurality of first voice call slave devices. , and then transmit the plurality of first audio streams; a mixing component connected to the main connection management component and configured to mix the plurality of first audio streams received from the main connection management component to generate the mixing signal; and A broadcast component is connected to the mixing component, configured to establish the broadcast group, and broadcasts the mixing signal generated by the mixing component to the broadcast group. As claimed in claim 4, the multi-person voice call system with broadcast mechanism, wherein the audio processing component further includes: A main radio component, connected to the mixing component, configured to receive a main audio stream, and then transmit the main audio stream to the mixing component, and the mixing component mixes the main audio stream with the plurality of first audio streams. sound to generate the mixed signal. As claimed in claim 5, the multi-person voice call system with broadcast mechanism, wherein the audio processing component further includes: A main audio playback component is connected to the mixing component and configured to play the mixing signal generated by the mixing component. The multi-person voice call system with broadcast mechanism as described in claim 4, wherein the first voice call slave device of each wireless voice call device includes: a first slave connection management element connected to the master connection management element and configured to wirelessly transmit the first audio stream to the master connection management element; and A first broadcast receiving component is configured to join the broadcast group to receive the mixed signal broadcast by the broadcast component. The multi-person voice call system with broadcast mechanism as described in claim 7, wherein the first voice call slave device of each wireless voice call device further includes: A first slave radio component is connected to the main connection management component and configured to receive the first audio stream. The first slave connection management component wirelessly transmits the first audio stream received by the first slave radio component to The main connection management element. The multi-person voice call system with broadcast mechanism as described in claim 7, wherein the first voice call slave device of each wireless voice call device further includes: A first audio playing component is connected to the first broadcast receiving component and configured to play the mixed signal received by the first broadcast receiving component. The multi-person voice call system with broadcast mechanism as described in claim 4, wherein the second voice call slave device of each wireless voice call device includes: a second broadcast receiving component configured to join the broadcast group to receive the mixed signal broadcast by the broadcast component; and A second audio playing component is connected to the second broadcast receiving component and configured to play the mixed signal received by the second broadcast receiving component.

Images