CN114422282A

CN114422282A - Conference equipment, client, teleconference system and LED indicator light control method

Info

Publication number: CN114422282A
Application number: CN202111605885.4A
Authority: CN
Inventors: 张知硕; 孙益丰
Original assignee: Shenzhen Taiden Industrial Co ltd
Current assignee: Shenzhen Taiden Industrial Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-04-29
Anticipated expiration: 2041-12-25
Also published as: CN114422282B

Abstract

The invention relates to conference equipment, a client, a remote conference system and an LED indicator light control method, belonging to the technical field of audio processing; wherein, conference equipment includes: the first receiving module is connected with the loudspeaker module and the LED indicating lamp module and used for receiving the DTMF signal and the downlink conference audio signal sent by the client, sending the DTMF signal to the LED indicating lamp module and sending the downlink conference audio signal to the loudspeaker module; the loudspeaker module is used for playing the audio signal of the downlink conference; the LED indicator lamp module comprises at least one LED indicator lamp and is used for adjusting the display state of the LED indicator lamp according to the DTMF signal; the first sending module is used for sending the uplink conference audio signal to the client; and the conference equipment is connected with the client through a USB data line. The invention connects the conference equipment and the client through the USB data line, transmits the DTMF signal sent from the client, and realizes the automatic synchronization of the state of the LED indicator lamp of the conference equipment and the corresponding operation of the client.

Description

Conference equipment, client, teleconference system and LED indicator light control method

Technical Field

The invention relates to the technical field of audio processing, in particular to conference equipment, a client, a remote conference system and an LED indicator light control method.

Background

The web-based teleconference platform has universal applicability, and can be connected with a network and access the teleconference platform through a browser only by connecting a computer to a conference terminal (USB equipment such as a conference unit and a translation unit), so that a conference can be started anytime and anywhere without a long-distance running of a conference operator. The conference equipment is provided with a plurality of LED indicating lamps, and a plurality of states of the LED indicating lamps are used for representing different operation states of the client side, however, the existing conference equipment needs a participant to manually set the states of the LED indicating lamps to be synchronous with the operation states of the client side, and the situation of setting errors often occurs to non-professional technical persons of the participant. Therefore, the conference equipment which is simple in setting operation and does not need to be manually set by a user of the conference equipment is a problem which needs to be solved urgently.

Disclosure of Invention

In order to solve the problem that the state of an LED indicator lamp of a manually-set conference device is easy to make mistakes, the invention provides a conference device in a first aspect, which adopts the following technical scheme:

a conferencing device, comprising: the device comprises a first receiving module, a loudspeaker module, an LED indicator lamp module, a microphone module and a first sending module;

the first receiving module is connected with the speaker module and the LED indicator light module and used for receiving the DTMF signal and the downlink conference audio signal sent by the client, sending the DTMF signal to the LED indicator light module and sending the downlink conference audio signal to the speaker module;

the loudspeaker module is used for playing the audio signal of the downlink conference;

the LED indicator lamp module comprises at least one LED indicator lamp and is used for adjusting the display state of the LED indicator lamp according to the DTMF signal;

the first sending module is used for sending the uplink conference audio signal to the client.

By adopting the technical scheme, the state adjustment information of the LED indicator lamp of the conference equipment is transmitted by using the DTMF signal, and the automatic synchronization of the corresponding operation of the state of the LED indicator lamp of the conference equipment and the client is realized, so that the state of the LED indicator lamp at the conference equipment end is not required to be manually set by a participant, and the condition that the state of the LED indicator lamp is manually set to be wrong easily is avoided.

Optionally, the conference device is connected to the client through a USB data line.

By adopting the technical scheme, the DTMF signal is transmitted by connecting the conference equipment and the client through the USB data line, so that the transmission of the audio signal and the DTMF signal of the downlink conference can be realized only by connecting the conference equipment and the client through one USB data line, no extra wiring is needed, and the conference equipment has the advantage of plug and play.

Optionally, the first receiving module receives the DTMF signal and the downlink conference audio signal sent by the client through a USB sound card;

the USB sound card comprises a first sound channel and a second sound channel;

the first channel is used for transmitting the DTMF signal, and the second channel is used for transmitting the downlink conference audio signal.

By adopting the technical scheme, the DTMF signal and the downlink conference audio signal are respectively transmitted to the conference equipment through different sound channels of the USB sound card, and the DTMF signal is transmitted under the condition that the transmission of the downlink conference audio signal is not influenced.

Optionally, the first channel is a left channel, and the second channel is a right channel; or

The first channel is a right channel and the second channel is a left channel.

By adopting the technical scheme, the first sound channel and the second sound channel are specifically limited, and application scenes are enriched.

Optionally, the LED indicator light module is specifically configured to:

decoding the DTMF signal to acquire LED indicator lamp state adjustment information; and acquiring an LED indicator light identifier and a state to be displayed according to the LED indicator light state adjustment information and a preset mapping table, and activating the LED indicator light corresponding to the identifier to the state to be displayed.

By adopting the technical scheme, the LED indicator lamp state adjustment information carried by the DTMF is firstly obtained through decoding, the corresponding LED indicator lamp identification and the state to be displayed are then obtained according to the preset mapping table, and the corresponding LED indicator lamp is activated to the state to be displayed, so that how to adjust the display state of the LED indicator lamp according to the DTMF signal is embodied, and the realization is convenient.

Optionally, the system further comprises a key module;

the key module is connected with the first sending module and used for collecting key operation instructions and sending the key operation instructions to the first sending module;

the first sending module is further configured to send the key operation instruction to the client.

By adopting the technical scheme, the functions of the microphone, the translation, the silence, the listening channel or the output channel and the like are controlled from the conference equipment terminal through key operation while the function control is carried out on the client, so that the diversification of the control mode is realized.

In a second aspect, the present invention provides a client, which adopts the following technical solutions:

a client, applied to a teleconferencing system, comprising: the first receiving module, the first generating module and the second sending module;

the second receiving module is connected with the first generating module and the second sending module, and is used for receiving the downlink conference audio signal sent by the server and sending the downlink conference audio signal to the second sending module; receiving an uplink conference audio signal sent by the conference equipment, and sending the uplink conference audio signal to the second sending module;

the first generating module is connected with the second sending module and used for generating LED indicating lamp state adjusting information when a client triggers operation and sending the LED indicating lamp state adjusting information to the second sending module;

the second sending module is configured to convert the LED indicator state adjustment information into a DTMF signal, send the DTMF signal and the downlink conference audio signal to the conference device, and send the uplink conference audio signal to the server.

By adopting the technical scheme, the state adjustment information of the LED indicator lamp transmitted by the DTMF signal is utilized, the automatic synchronization of the corresponding operation of the state of the LED indicator lamp of the conference equipment and the client is realized, so that the state of the LED indicator lamp of the conference equipment end is not required to be manually set by a participant, and the condition that the state of the LED indicator lamp is easily mistakenly manually set is avoided.

Optionally, the client is connected to the conference device through a USB data line;

the second sending module sends the DTMF signal and the downlink conference audio signal through a USB sound card;

the USB sound card comprises a first sound channel and a second sound channel;

By adopting the technical scheme, the conference equipment is connected with the client by utilizing the USB data line, the DTMF signal and the downlink conference audio signal are respectively transmitted to the conference equipment through different sound channels of the USB sound card, and the DTMF signal is transmitted under the condition that the transmission of the downlink conference audio signal is not influenced. In addition, the conference equipment and the client side are connected through only one USB data line, extra wiring is not needed, and the conference equipment has the advantage of plug and play.

Optionally, the method further includes: a judgment module;

the judging module is connected with the second receiving module and the second sending module;

the second receiving module is further configured to receive a key operation instruction sent by the conference device, and send the key operation instruction to the determining module;

the judging module is used for judging whether to execute the key operation instruction according to a preset rule, if so, executing corresponding operation, generating LED indicating lamp state adjusting information, and sending the LED indicating lamp state adjusting information to the second sending module.

By adopting the technical scheme, whether the button operation instruction of the conference equipment is executed or not is judged through the client, so that the condition that the button operation of a participant at the conference equipment is wrong is avoided, and when the judgment is yes, corresponding operation is executed, and the LED indicating lamp state adjusting information is generated and sent, so that the automatic synchronization of the LED indicating lamp state of the conference equipment and the corresponding operation of the client is realized.

In a third aspect, the present invention provides a teleconference system, which adopts the following technical solutions:

a teleconferencing system, comprising: a server, a plurality of clients as described in the previous section, and a plurality of conference devices as described in the previous section;

the server is connected with the plurality of clients through the Internet, and the clients and the conference equipment are in one-to-one correspondence and are connected through USB data lines.

In a fourth aspect, the invention provides a control method of an LED indicator lamp, which adopts the following technical scheme:

an LED indicator light control method is applied to conference equipment;

receiving a DTMF signal sent by a client;

decoding the DTMF signal to acquire LED indicator lamp state adjustment information;

acquiring an LED indicator light identifier and a state to be displayed according to the LED indicator light state adjustment information and a preset mapping table;

and activating the LED indicator lamp corresponding to the identifier to the state to be displayed.

By adopting the technical scheme, the state adjustment information of the LED indicator lamp of the conference equipment is transmitted through the DTMF signal, and the automatic synchronization of the corresponding operation of the state of the LED indicator lamp of the conference equipment and the client is realized, so that the state of the LED indicator lamp at the conference equipment end is not required to be manually set by a participant, and the condition that the state of the LED indicator lamp is manually set to be wrong easily is avoided.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the state adjustment information of the LED indicator lamp of the conference equipment is transmitted through the DTMF signal, and the automatic synchronization of the corresponding operation of the state of the LED indicator lamp of the conference equipment and the client is realized, so that the state of the LED indicator lamp of the conference equipment end does not need to be manually set by a participant, and the condition that the state of the LED indicator lamp is manually set and errors easily occur is avoided.

2. The DTMF signal is transmitted through the USB sound card, so that the conference equipment and the client side are connected through only one USB data line, downlink conference audio signals and the DTMF signal can be transmitted simultaneously, extra wiring is not needed, the use is convenient, and the conference equipment has the advantage of plug and play.

3. DTMF signals and downlink conference audio signals are respectively transmitted to conference equipment through different sound channels of the USB sound card, and the DTMF signals are sent under the condition that downlink conference audio signal transmission is not influenced.

Drawings

Fig. 1 is a block diagram of a conference device according to an embodiment of the present invention.

Fig. 2 is a block diagram of a client architecture of an embodiment of the present invention.

Fig. 3 is a teleconferencing system architecture diagram of an embodiment of the present invention.

Fig. 4 is a flowchart of an LED indicator light control method according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to fig. 1-4 and the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment of the invention discloses a conference device 100. Referring to fig. 1, the conference device 100 includes a first receiving module 11, a speaker module 12, an LED indicator module 13, a microphone module 14, a key module 15, and a first transmitting module 16.

And the first receiving module 11 is connected with the speaker module and the LED indicator lamp module and is used for receiving the DTMF signal and the downlink conference audio signal sent by the client, sending the DTMF signal to the LED indicator lamp module and sending the downlink conference audio signal to the speaker module.

Dtmf (universal Tone multiple frequency) is a dual Tone Multi-frequency signal, which is a kind of user signaling between a telephone set and an exchange in a telephone system, and is generally used to transmit a called number. DTMF consists of high frequency group and low frequency group, one high frequency signal and one low frequency signal are superposed to form one combined signal representing one digit, and 16 codes are total.

The client is a computer terminal, the DTMF signal carries status state adjustment information of the LED indicator lamp, and the downlink conference audio signal carries a downlink sound signal generated in the teleconference platform, specifically, an audio signal collected by a microphone of other conference equipment.

The conference equipment is connected with the client through a USB data line, a USB sound card is arranged in the conference equipment, a first sound channel and a second sound channel are arranged in the USB sound card, the first sound channel is used for transmitting DTMF signals, the second sound channel is used for transmitting downlink conference audio signals, the first sound channel is a left sound channel, the second sound channel is a right sound channel, or the first sound channel is a right sound channel, and the second sound channel is a left sound channel. In the first receiving module 11, the conference device receives the DTMF signal and the downstream conference audio signal sent by the client through the USB sound card, specifically, receives the DTMF signal through a first sound channel of the USB sound card, and receives the downstream conference audio signal through a second sound channel of the USB sound card. The DTMF signal is transmitted through the USB sound card, so that the conference equipment and the client side are connected through only one USB data line, downlink conference audio signals and the DTMF signal can be transmitted simultaneously, extra wiring is not needed, the use is convenient, and the conference equipment has the advantage of plug and play. And the DTMF signal and the downlink conference audio signal are respectively transmitted to the conference equipment through different sound channels of the USB sound card, and the DTMF signal can be sent under the condition that the transmission of the downlink conference audio signal is not influenced.

And the loudspeaker module 12 is used for playing the audio signal of the downlink conference.

The speaker module 12 decodes the audio signal of the downstream conference after receiving the audio signal of the downstream conference sent by the first receiving module 11, and converts the digital signal into an analog signal, where the decoding method corresponds to the encoding method of the client, and may be PCM, WMA, ADPCM, LPC, MP3, AAC, CELP, or the like, and is preferably PCM.

And the LED indicator lamp module 13 comprises at least one LED indicator lamp and is used for adjusting the display state of the LED indicator lamp according to the DTMF signal.

The conference equipment comprises at least one LED indicator light, each LED indicator light comprises 3 states of opening, closing and flickering, different states of the LED indicator light are used for representing different operation states of the client, and specifically, the corresponding relation between LED indicator light state adjustment information and LED indicator light identification and display states is stored through a preset mapping table. As an example, 8 LED indicators are provided on the conference device, and the mapping table is as described in table 1.

TABLE 1

No	LED name	OFF	ON	FLASH
					1	Mic Red Led	*10#	*1C#	*1D#
2	Mic Green Led	*20#	*2C#	*2D#
					3	Floor Led	*50#	*5C#	*5D#
4	Incoming 1 Led	*60#	*6C#	*6D#
					5	Incoming 2 Led	*70#	*7C#	*7D#
6	Outgoing A Led	*90#	*9C#	*9D#
					7	Outgoing B Led	*A0#	*AC#	*AD#

In table 1, 1 to 7 are identifiers of LED indicators, ON indicates an ON state, OFF indicates an OFF state, and FLASH indicates a blinking state, where the blinking state indicates that the LED indicator is in an information transmission state, and _ # indicates an actual state of the LED indicator.

For example, the Mic Red Led and the Mic Green Led are microphone switch indicator lights, the microphone turns on a bright Green light, the microphone turns off a bright Red light or no light, and the Green light flickers when there is sound transmission; floor Led is a translation indicator light, Incoming 1/2 Led is a listening channel indicator light, and Outgoing a/B Led is an output channel indicator light.

It should be noted that the LED indicators in table 1 are only an example, and in practical applications, the number and names of the LED indicators may be set according to practical requirements.

After receiving the DTMF signal sent by the first receiving module 11, the LED indicator module 13 decodes the DTMF signal to obtain the LED indicator state adjustment information, where the decoding method corresponds to the encoding method of the client, and may be PCM, WMA, ADPCM, LPC, MP3, AAC, CELP, or the like, and is preferably PCM. And acquiring an LED indicator light identifier and a state to be displayed according to the LED indicator light state adjustment information and a preset mapping table, and activating the LED indicator light corresponding to the identifier to the state to be displayed. For example, if the LED indicator adjustment information carried in the DTMF signal is "× 2C #", the Mic Green LED is activated to the on state, or the Mic Green LED is activated to the on state. Wherein, the LED pilot lamp sign can be the serial number, also can be the name.

And the microphone module 14 is connected to the first sending module 15, and is configured to collect the uplink conference audio signal and send the uplink conference audio signal to the first sending module 16.

When the microphone switch is in the on state, the microphone collects ambient sound. The ambient sound specifically includes speech, translation, etc. of the participant.

And the key module 15 is connected with the first sending module 15 and is used for collecting key operation instructions and sending the key operation instructions to the first sending module 16.

The conference equipment comprises one or more of a microphone key, a translation key, a mute key, a listening channel selection key and an output channel selection key. When the participant operates one or more keys, the participant collects corresponding key operation instructions and sends the key operation instructions to the first sending module 16.

It should be noted that the remote conference interface of the client has function options for controlling functions such as microphone, translation, mute, listening channel, output channel, etc., and therefore, the key module 15 is an optional module in the conference device. When the conference device includes the key module 15, the operation instruction of the corresponding function may be initiated by the key module 15 or the client, and when the conference device does not include the key module 15, the control of the corresponding function is initiated by the client.

The first sending module 16 is configured to send the uplink conference audio signal to the client, or send the uplink conference audio signal and the key operation instruction to the client.

Specifically, the uplink conference audio signal is sent through the USB sound card. Before sending, the upstream conference audio signal is encoded, and the analog signal is converted into a digital signal. When the uplink conference audio signal is sent by the USB sound card, the uplink conference audio signal can be transmitted by the second channel alone, or the uplink conference audio signal can be transmitted by the first channel and the second channel simultaneously, so that the utilization rate of the sound card is improved.

In the embodiment, the LED indicator lamp state adjustment information of the conference equipment is transmitted through the DTMF signal, and the automatic synchronization of the conference equipment LED indicator lamp state and the corresponding operation of the client is realized, so that the conference equipment LED indicator lamp state does not need to be manually set by a participant, and the condition that the manual setting of the LED indicator lamp state is easy to cause errors is avoided.

Referring to fig. 2, an embodiment of the present invention discloses a client 200 applied to a teleconference system, including a second receiving module 21, a first generating module 22, a determining module 23, and a second sending module 24.

The second receiving module 21 is connected to the first generating module 22, the judging module 23 and the second sending module 24, and is configured to receive the audio signal of the downstream conference sent by the server and send the audio signal of the downstream conference to the second sending module 24; and receive the upstream conference audio signal sent by the conference device, and send the upstream conference audio signal to the second sending module 24, or receive the upstream conference audio signal and the key operation instruction sent by the conference device, and send the upstream conference audio signal to the second sending module 24, and send the key operation instruction to the determining module 23.

And the first generating module 22 is connected to the second sending module 24, and is configured to generate LED indicator light status adjustment information when the client triggers an operation, and send the LED indicator light status adjustment information to the second sending module 23.

The teleconference interface of the client side is provided with function options for controlling functions such as a microphone, a translation function, a mute function, a listening channel and an output channel, a participant can select a corresponding function from the teleconference interface of the client side to control, after a user selects the corresponding function option, namely after triggering a corresponding operation instruction, the corresponding function is executed, the executed state is displayed on the teleconference interface of the client side, and meanwhile, the first generation module 22 generates corresponding LED indicator lamp state adjustment information for synchronously adjusting the LED indicator lamp state of the conference equipment according to the operation information of the user.

And the judging module 23 is connected to the second sending module 24, and is configured to judge whether to execute the key operation instruction according to a preset rule, if so, execute a corresponding operation, display an executed state on a teleconference interface of the client, and send LED indicator lamp state adjustment information to the second sending module 24, and if not, display alarm information on the teleconference interface of the client.

For example, the key operation instruction is a microphone start request, if the client allows the participant to access, the client executes a corresponding function, starts a microphone switch on the teleconference interface, and sends the LED indicator state adjustment information to the second sending module 24, if not, displays warning information on the teleconference interface of the client, where the warning information includes specific key operation information and a warning reason. Wherein the preset rule is preset by the teleconference system.

It should be noted that the determination module 23 of the client is optional, and when the button module 15 does not exist in the conference device, the client does not have the corresponding determination module 23.

Whether the button operation instruction of the conference equipment is executed or not is judged through the client, so that the condition that the button operation of a participant at the conference equipment is wrong is avoided, and when the judgment is yes, corresponding operation is executed, the executed state is displayed on a remote conference interface of the client, and the state adjustment information of the LED indicating lamp is sent, so that the automatic synchronization of the state of the LED indicating lamp of the conference equipment and the corresponding operation of the client is realized.

And the second sending module 24 is configured to convert the LED indicator state adjustment information into a DTMF signal, send the DTMF signal and the downlink conference audio signal to the conference device, and send the uplink conference audio signal to the server.

The client 200 is connected to the conference device 100 through a USB data line, a USB sound card is built in the conference device, and a first sound channel and a second sound channel are set in the USB sound card, the first sound channel is used for transmitting DTMF signals, the second sound channel is used for transmitting downlink conference audio signals, where the first sound channel is a left sound channel, the second sound channel is a right sound channel, or the first sound channel is a right sound channel, and the second sound channel is a left sound channel. When the conference equipment is connected with the client through the USB interface, the client sends the DTMF signal through a first sound channel of the USB sound card and sends the downlink conference audio signal through a second sound channel of the USB sound card. The DTMF signal is transmitted through the USB sound card, so that the conference equipment and the client side are connected through only one USB data line, downlink conference audio signals and the DTMF signal can be transmitted simultaneously, extra wiring is not needed, the use is convenient, and the conference equipment has the advantage of plug and play. And the DTMF signal and the downlink conference audio signal are respectively transmitted to the conference equipment through different sound channels of the USB sound card, and the DTMF signal can be sent under the condition that the transmission of the downlink conference audio signal is not influenced.

Before sending the DTMF signal and the downstream conference audio signal, the DTMF signal and the downstream conference audio signal need to be encoded, and the analog signal is converted into a digital signal, the encoding method corresponds to the decoding method of the conference device, and may be PCM, WMA, ADPCM, LPC, MP3, AAC, CELP, or the like, and is preferably PCM.

Referring to fig. 3, the teleconference system includes a server 300, a client 200, and a conference device 100, where the server 300 is connected to a plurality of clients 200 through the internet, and the clients 200 and the conference device 100 are in one-to-one correspondence and connected through USB data lines. .

When the conference device 100 is connected to the client 200 via the USB data line, the conference device 100 is a USB composite device including: USB Audio devices (USB sound cards), USB HID input devices and USB Mass Storage devices.

In the client 200, the user enters the teleconference platform interface by logging in a browser or an app, and the client 200 and the conference device 300 are the same as the foregoing embodiments and will not be described again.

The embodiment of the invention discloses a control method of an LED indicating lamp, which is applied to conference equipment, and with reference to FIG. 4, the control method of the LED indicating lamp comprises the following steps:

s41, receiving DTMF signals sent by the client;

dtmf (universal Tone multiple frequency) is a dual Tone Multi-frequency signal, which is a kind of user signaling between a telephone set and an exchange in a telephone system, and is generally used to transmit a called number. DTMF consists of high frequency group and low frequency group, one high frequency signal and one low frequency signal are superposed to form one combined signal representing one digit, and 16 codes are total. In the teleconference system, the DTMF signal carries the state adjustment information of the LED indicator lamp.

In the conference equipment, a USB sound card is arranged in the conference equipment, and a first sound channel and a second sound channel are arranged in the USB sound card, wherein the first sound channel is used for transmitting DTMF signals, and the second sound channel is used for transmitting downlink conference audio signals, the first sound channel is a left sound channel, the second sound channel is a right sound channel, or the first sound channel is a right sound channel, and the second sound channel is a left sound channel. The conference equipment receives the DTMF signal and the downlink conference audio signal sent by the client through the USB sound card, specifically, receives the DTMF signal through a first sound channel of the USB sound card, and receives the downlink conference audio signal through a second sound channel of the USB sound card. Through this mode, conference equipment only need be connected through a USB data line and customer end, can transmit down conference audio signal and DTMF signal simultaneously, realizes conference equipment's LED pilot lamp state and the automatic synchronization's of the corresponding operation of customer end purpose, need not to increase extra wiring, facilitates the use, and conference equipment has plug and play's advantage.

S42, decoding the DTMF signal to obtain the LED indicator lamp state adjustment information;

the method comprises the steps of decoding a DTMF signal received by a first sound channel, converting a digital signal into an analog signal, and acquiring LED indicator lamp state adjustment information, wherein the decoding mode corresponds to the coding mode of a client, and can be PCM, WMA, ADPCM, LPC, MP3, AAC or CELP, and the like, and is preferably PCM.

And S43, acquiring the LED indicator light mark to be adjusted and the state to be displayed according to the LED indicator light state adjustment information and a preset mapping table.

The conference equipment is provided with at least one LED indicator light, each LED indicator light comprises 3 states of opening, closing and flickering, different states of the LED indicator light are used for representing different operation states of the client side, and specifically, the corresponding relation between LED indicator light state adjustment information and LED indicator light identification and display states is stored through a preset mapping table.

It should be noted that the preset mapping table is the same as the previous embodiment, and will not be described again here.

For example, the LED indicator adjustment information carried in the DTMF signal is "× 2C #", the LED indicator to be adjusted is Mic Green LED obtained by looking up the mapping table, and the state to be displayed is on.

And S44, activating the LED indicator light corresponding to the mark to a state to be displayed.

And activating the LED indicator lamp to be adjusted to be in the state to be displayed according to the obtained LED indicator lamp identifier to be adjusted and the state to be displayed, for example, if the LED indicator lamp to be adjusted is a Mic Green LED, and if the state to be displayed is on, activating the Mic Green LED to be in the on state.

The state adjustment information of the LED indicator lamp of the conference equipment is transmitted through the DTMF signal, and the automatic synchronization of the corresponding operation of the state of the LED indicator lamp of the conference equipment and the client is realized, so that the state of the LED indicator lamp of the conference equipment end does not need to be manually set by a participant, and the condition that the state of the LED indicator lamp is manually set and errors easily occur is avoided.

The foregoing is a preferred embodiment of the present invention and is not intended to limit the scope of the invention in any way, and any feature disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. A conferencing device, comprising: the device comprises a first receiving module, a loudspeaker module, an LED indicator lamp module, a microphone module and a first sending module;

the first receiving module is connected with the loudspeaker module and the LED indicator lamp module and used for receiving a DTMF signal and a downlink conference audio signal sent by a client, sending the DTMF signal to the LED indicator lamp module and sending the downlink conference audio signal to the loudspeaker module;

2. The conferencing device of claim 1, wherein: and the conference equipment is connected with the client through a USB data line.

3. The conferencing device of claim 1, wherein:

the first receiving module receives the DTMF signal and the downlink conference audio signal sent by the client through a USB sound card;

the USB sound card comprises a first sound channel and a second sound channel;

4. The conferencing device of claim 1, wherein the LED indicator light module is specifically configured to:

5. The conferencing device of claim 1, wherein: the device also comprises a key module;

6. A client applied to a teleconferencing system, comprising: the first receiving module, the first generating module and the second sending module;

the second receiving module is connected with the first generating module and the second sending module, and is used for receiving the downlink conference audio signal sent by the server and sending the downlink conference audio signal to the second sending module; receiving an uplink conference audio signal sent by conference equipment, and sending the uplink conference audio signal to the second sending module;

7. The client of claim 6, wherein:

the client is connected with the conference equipment through a USB data line;

the USB sound card comprises a first sound channel and a second sound channel;

8. The client of claim 6, further comprising a determining module;

9. A teleconferencing system, comprising: a server, a plurality of clients as claimed in any one of claims 1 to 5 and a plurality of conference devices as claimed in any one of claims 6 to 7;

10. An LED indicator lamp control method is applied to conference equipment and is characterized in that:

receiving a DTMF signal sent by a client;