CN211404055U

CN211404055U - Device for realizing call in windows system

Info

Publication number: CN211404055U
Application number: CN201922337645.5U
Authority: CN
Inventors: 于永华
Original assignee: Shenzhen Xun Dun Technology Co ltd
Current assignee: Shenzhen Xun Dun Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-01
Anticipated expiration: 2029-12-24

Abstract

The embodiment of the utility model discloses a device for realizing conversation in a windows system, which is applied to the technical field of electronics, and comprises an audio switcher, a communication module, a controller and an audio codec; the audio switcher is connected with the signal input end of the audio codec, the communication module and the controller; the audio switcher is provided with a receiver interface and is connected with a receiver; the audio codec is provided with a loudspeaker interface and an earphone interface which are respectively connected with a loudspeaker and an earphone; the controller is connected with the audio switcher and the communication module. The device can reduce the possibility that the user misses the incoming call ringtone, and has simple structure, rich functions and low cost.

Description

Device for realizing call in windows system

Technical Field

The utility model belongs to the technical field of the electron, especially, relate to a device that realizes the conversation in windows system.

Background

In some application scenarios, 2G calls need to be implemented in an X86 Windows system, and although there is a technology capable of implementing the above functions, the structure is single, so that the function of ringing when a receiver/speaker is coming simultaneously cannot be implemented, and the function is too simple, for example, only analog voice can be supported, or although there are many functions, there are technical problems of high manufacturing cost, etc.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of conversation is realized in windows system can solve the device of realizing the conversation in windows system that the function is too single or the function is not single but the higher problem of cost in the current.

The embodiment of the utility model provides a device for realizing conversation in a windows system, which comprises an audio switcher, a communication module, a controller and an audio codec; the audio switcher is connected with the signal input end of the audio codec, the communication module and the controller; the audio switcher is provided with a receiver interface and is connected with a receiver; the audio codec is provided with a loudspeaker interface and an earphone interface which are respectively connected with a loudspeaker and an earphone; the controller is connected with the audio switcher and the communication module.

Preferably, the audio codec has a built-in microphone, and an output end of the built-in microphone and an output end of a microphone carried by the earphone are connected with the audio switcher.

Preferably, the communication module is connected to the central processing unit of the windows system through a universal serial bus.

Preferably, the audio switcher is connected to the central processor through a high definition audio bus.

Preferably, the audio switcher is connected to the communication module through an integrated circuit built-in audio bus.

Preferably, the audio switcher is connected to the controller through a built-in integrated circuit bus.

Preferably, the controller is connected to the communication module via a universal asynchronous receiver transmitter bus.

Preferably, the controller is an embedded controller; the controller is connected with the communication module through a PIN foot, and sends a wake-up signal to the communication module through the PIN foot.

Preferably, the device further comprises a bluetooth module; and the Bluetooth module is connected with an integrated circuit built-in audio bus between the audio switcher and the communication module through the integrated circuit built-in audio bus.

From the foregoing the embodiment of the utility model provides a can know, audio frequency switch connects audio frequency codec's signal input part, communication module and controller, the earphone is connected to the audio frequency switch, audio frequency codec connects speaker and earphone, audio frequency switch and communication module are connected to the controller, when the incoming call, communication module sends the ring speech information for the audio frequency switch, send the ringing instruction for the controller, this ring speech information is handled to controller control audio frequency switch, through amalgamation and the selection to this ring speech information, output to the earphone, output simultaneously for audio frequency codec, realize driving this earphone, this audio frequency decoder's speaker and earphone ringing simultaneously, make the user can not miss the incoming call, this device simple structure who realizes the conversation in windows system, and is multifunctional, and is with low costs.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of an apparatus for implementing a call in a windows system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an apparatus for implementing a call in a windows system according to another embodiment of the present invention;

fig. 3 is a schematic diagram of a connection circuit of an HP Mic and an Internal Mic of a headset connected to an AIC5243 audio switch chip in an apparatus for implementing a call in a windows system according to an embodiment of the present invention;

fig. 4 is a schematic circuit connection diagram of a 4G module and its connection parts in an apparatus for implementing a call in a windows system according to an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of a circuit connection diagram of a 4G module and its connection parts in an apparatus for implementing a call in a windows system according to an embodiment of the present invention;

fig. 6 is a schematic diagram illustrating an AIC3254 audio switching chip and circuit connections thereof in an apparatus for implementing a call in a windows system according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a partial enlargement of an AIC3254 audio switching chip and circuit connections connecting the same in an apparatus for implementing a call in a windows system according to an embodiment of the present invention.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides an apparatus for implementing a call in a windows system, the apparatus including an audio switcher 10, a communication module 20, a controller 30, and an audio codec 40. The audio codec 40 has a speaker interface, an earphone interface, and an external microphone interface, and is respectively connected with a speaker 42, an earphone 43, and a microphone of the earphone. The audio switcher 10 is connected with the signal input terminal of the audio codec 40, the communication module 20 and the controller 30; the controller 30 is connected with the audio switcher 10 and the communication module 20. The audio switch 10 has a handset interface to which a handset 70 is connected. The controller 30 connects the audio switcher 10 and the communication module 20.

In this embodiment, the audio switch is connected to the signal input terminal of the audio codec, the communication module and the controller, the audio switch is connected to the handset, the audio codec is connected to the speaker and the earphone, the controller is connected to the audio switch and the communication module, when an incoming call occurs, the communication module sends the ringing voice information to the audio switch, and sends the ringing instruction to the controller, the controller controls the audio switch to process the ringing voice information, and the ringing voice information is output to the handset and simultaneously output to the audio codec by combining and selecting the ringing voice information, so that the handset and the earphone of the audio decoder are driven to ring simultaneously, and a user cannot miss the incoming call.

Further, referring to fig. 2, fig. 2 is a schematic structural diagram of the device in another embodiment.

Specifically, the audio switch 10 may be an audio codec and audio path switching chip with an I2S (Inter-IC Sound, integrated circuit built-in audio bus) interface, specifically, an AIC3254 (hereinafter, referred to as AIC3254 audio switching chip).

The communication module 20 may specifically be a 4G (the 4th generation mobile communication technology) module, where the 4G module is a product that is loaded to a specified frequency band by hardware, supports standard lte (long term evolution) protocol by software, and is highly integrated and modularized by software and hardware. The hardware integrates radio frequency and baseband on a PCB (printed Circuit Board) board to complete the functions of wireless receiving, transmitting and baseband signal processing, and the software supports the functions of voice dialing, short message receiving and sending, dialing networking and the like. The digital audio receiving and transmitting module can support analog audio receiving and transmitting or voice form receiving and transmitting of PCM (Pulse code modulation)/I2S and the like, namely the 4G module and the AIC3254 audio switching chip can realize mutual receiving and mutual transmitting of digital voice through a PCM bus. When the communication module 20 is a 4G module, the 4G module is connected to the antenna and the SIM card, and is mainly used for receiving 4G networking data, such as a call signal from the 4G networking, or outputting 2G voice coding to the audio codec 40.

The Controller 30 is an Embedded Controller (EC), and includes an MCU (micro Controller Unit) for detecting the input channel of the audio signal and determining the input and output channels of the audio switch 10.

The audio codec 40 is provided with a built-in microphone (internal mic) 41. The Audio codec 40 may be an Audio codec and Audio switching chip having an HDA (High Definition Audio) interface, and a specific model may be an ALC269 (hereinafter, referred to as ALC269 Audio decoding chip). The audio codec 40 is connected to a CPU50 (central processing unit) of the windows system via an HDA bus, and is configured to process HDA-decoded audio of the CPU.

Further, the audio codec 40 has a speaker interface and an earphone interface, wherein the speaker interface is connected with a speaker 42, the earphone interface is connected with an earphone (HP) 43, and the earphone 43 may be a 4-segment earphone, and supports a voice function, and is provided with a microphone (i.e. HP mic). The built-in microphone 41 and the microphone of the ear piece 43 cannot be operated simultaneously, and the built-in microphone 41 stops operating when the ear piece 43 is detected to be connected to the ear piece interface.

Further, the output of the built-in microphone 41 of the audio codec 40 and the output of the microphone of the headphone43 are connected to the audio switcher 10. The ALC269 audio decoding chip can only receive the audio provided by the AIC3254 audio switching chip, and cannot input the audio to the AIC3254 audio switching chip, so the two paths of mic are input to the AIC3254 audio switching chip. The specific circuit connection relationship is shown in fig. 3. Wherein mic1 and mic2 respectively represent the built-in microphone 41 and the microphone carried by the earphone 43, and are respectively interfaced with the mic1 and mic2 interfaces in the AIC3254 audio switching chip, the capacitance value of the capacitor in fig. 3 is a value commonly used in the art, and is not particularly limited herein, and the resistance values of the resistors are respectively 1k and two 2.2k as shown in fig. 3.

Further, the communication module 20 is connected to the CPU50 through a USB (Universal Serial Bus), and the first antenna 60 is externally connected to the communication module 20. The communication module 20 can obtain baseband signals, such as voice, short messages and other signals, from the CPU and transmit them through the antenna; on the other hand, the communication module 20 may also obtain radio frequency information such as voice or short message corresponding to the local address through the antenna, decode the radio frequency information and send the decoded radio frequency information to the CPU, and convert the radio frequency information into information such as voice and short message.

The audio switch 10 is connected to the communication module 20, the controller 30 and the signal input terminal of the audio codec 40, and the audio switch 10 has a receiver interface for receiving a receiver 70. Further, the audio switcher 10 is also connected to the built-in microphone 41 of the audio codec 40 and the HP mic of the headphone43 itself.

The controller 30 is connected to the communication module 20 through a UART (Universal Asynchronous Receiver/Transmitter) bus, and is connected to the audio switcher 10 through an I2C (Inter-Integrated Circuit) bus. The EC can control the AIC3254 audio switching chip to output voice information to the receiver 70 and the ALC269 audio decoding chip by writing into a control register of the AIC3254 audio switching chip, and the ALC269 audio decoding chip has a connection to the speaker 42, so that the receiver 70 and the speaker 42 can sound simultaneously. The EC may control and switch the output and input audio channels of the AIC3254 audio switching chip.

Referring to fig. 4 and 5 in particular, fig. 4 is a schematic circuit connection diagram of a 4G module and its connection parts, and fig. 5 is a partially enlarged schematic diagram of fig. 4. The 4G module comprises a 4G SIM card, a 4G PCM audio, a 4G power management and CPU USB interface.

Referring to fig. 6 and 7 in particular, fig. 6 is a schematic circuit connection diagram of an AIC3254 audio switching chip and its connection parts, and fig. 7 is a partially enlarged schematic diagram of fig. 6. The connected parts of the AIC3254 audio switching chip comprise a microphone of the earphone (namely, an earphone microphone in the figure), a built-in microphone, an earphone, an EC and a 4G PCM audio interface.

The circuit connection relationships in fig. 4 to fig. 7 are shown in the drawings as an application example, which is not described herein again, and may be other implementation manners, that is, the implementation manner of the circuit is not limited in the present invention.

The controller 30 is connected to the communication module 20 through a PIN, and sends a wake-up signal to the communication module 20 through the PIN, so that the communication module 20 can be woken up when the power is off, that is, the function of waking up the system by powering off the power is supported. The communication module 20 is still in a charged state after the windows system is powered off, and can be awakened through the controller 30, and on the other hand, can be powered off through a power supply cut-off mode.

Further, the apparatus further includes a bluetooth module 80, and the bluetooth module 80 accesses an I2S bus between the audio switcher 10 and the communication module 20 through the I2S bus. The bluetooth module 80 is externally connected with a second antenna 90. Bluetooth module 80 can implement a Bluetooth voice call function, and 4G will interact with the Bluetooth module.

In one embodiment, the window system is in an on state, when an incoming call is received, the 4G module 20 receives a wireless signal of the incoming call through the first antenna 60, and after the 4G module 20 decodes the wireless signal, the wireless signal is sent to the CPU50 through an AT ring command. Meanwhile, the 4G module 20 sends voice ringing information to the AIC3254 audio switching chip through I2S.

The AT ringing instruction may be recognized by a corresponding APP under the system, and after receiving the AT ringing instruction, the APP issues an instruction to the EC30 under the system, or the 4G module 20 may directly send the instruction to the EC30 through Uart.

Further, when the EC30 receives the AT ringing command sent by the APP, it may control the AIC3254 audio switching chip through the IIC write register, so that the voice ringing information is combined and selected AT the AIC3254 audio switching chip, and is simultaneously output to the handset 70 and output to the ALC269 audio decoding chip.

And the speech output of the ALC269 audio decoding chip has the following 2 modes:

first, Headphone (HP) mode:

i.e. when the headset is inserted, in headset mode, the headset emits sound, i.e. when both the earpiece 20 and the headset phone43 emit ringing sound.

Second, Speaker (SPK) mode:

i.e., speaker mode when no earphone is inserted, and speaker mode when the speaker is emitting sound, i.e., when both handset 20 and speaker 42 are emitting ringing sounds.

After the APP corresponding to the system receives the AT ringing instruction, the APP sends back a connection instruction through the ringing AT instruction to connect the telephone voice. After the telephone is switched on, the sound of the receiving party is transmitted to the AIC3254 audio switching chip through the built-in microphone 41 or the HP MIC carried by the Head Phone42, wherein the HP MIC is used for transmission when the earphone is inserted, and the Internal MIC is used for transmission when the earphone is not inserted. The AIC3254 audio switch chip converts the voice into digital voice and transmits the digital voice to the 4G module 20 through I2S, and the 4G module 20 transmits the digital voice through the first antenna 60.

The sound of the incoming party is received by the first antenna 60, converted into digital voice and transmitted to the AIC3254 audio switching chip through I2S, and the AIC3254 audio switching chip decodes the voice and transmits the voice to the receiver 70 or the loudspeaker 42 or the earphone 43. At this point, both parties realize normal conversation.

Dial the phone and use the AT instruction to realize, the AT instruction indicates that the 4G module realizes some command sets of function control through the Uart interface, turns into APP control easily, and APP carries out function control to the 4G module through the AT instruction easily. The APP calls the Windows API to realize the switching of the audio output channel of the Codec. The underlying control is also simpler.

In this embodiment, the AIC3254 audio switching chip is connected to the signal input terminal of the ALC269 audio decoding chip, the communication module and the controller, the AIC3254 audio switching chip is connected to the handset, the ALC269 audio decoding chip is connected to the speaker and the earphone, the controller is connected to the AIC3254 audio switching chip and the 4G module, when a call is received, the 4G module sends ringing voice information to the AIC3254 audio switching chip, a ringing instruction is sent to the controller, the controller controls the AIC3254 audio switching chip to process the ringing voice information, the ringing voice information is output to the handset and simultaneously output to the ALC269 audio decoding chip by combining and selecting the ringing voice information, so that the simultaneous ringing of the speaker and the earphone of the handset and the ALC269 audio decoding chip is realized, so that a user cannot miss the call, and the device for realizing a call in a windows system has a simple structure, multiple functions and low cost.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

It is right above the utility model provides a realize the description of the device of conversation in windows system, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this specification content should not be understood as the restriction of the utility model discloses.

Claims

1. An apparatus for enabling a call in a windows system, comprising an audio switch, a communication module, a controller, and an audio codec;

the audio switcher is connected with the signal input end of the audio codec, the communication module and the controller;

the audio switcher is provided with a receiver interface and is connected with a receiver;

the audio codec is provided with a loudspeaker interface and an earphone interface which are respectively connected with a loudspeaker and an earphone;

the controller is connected with the audio switcher and the communication module.

2. The apparatus of claim 1, wherein the audio codec has a built-in microphone, and an output of the built-in microphone and an output of the microphone of the earphone are connected to the audio switch.

3. The apparatus of claim 1 or 2, wherein the communication module is coupled to the central processing unit of the windows system via a universal serial bus.

4. The apparatus of claim 3, wherein the audio switch is coupled to the central processing unit via a high definition audio bus.

5. The apparatus of claim 4, wherein the audio switch is coupled to the communication module via an integrated circuit built-in audio bus.

6. The apparatus of claim 5, wherein the audio switch is coupled to the controller via an inter-integrated circuit bus.

7. The apparatus of claim 6, wherein the controller is coupled to the communication module via a universal asynchronous receiver/transmitter bus.

8. The apparatus of claim 7, wherein the controller is an embedded controller; the controller is connected with the communication module through a PIN foot, and sends a wake-up signal to the communication module through the PIN foot.

9. The apparatus for facilitating telephony in a windows system of claim 8, wherein the apparatus further comprises a bluetooth module; and the Bluetooth module is connected with an integrated circuit built-in audio bus between the audio switcher and the communication module through the integrated circuit built-in audio bus.