CN116455417A - Communication device circuit, control method and communication device - Google Patents

Communication device circuit, control method and communication device Download PDF

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Publication number
CN116455417A
CN116455417A CN202210012454.5A CN202210012454A CN116455417A CN 116455417 A CN116455417 A CN 116455417A CN 202210012454 A CN202210012454 A CN 202210012454A CN 116455417 A CN116455417 A CN 116455417A
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CN
China
Prior art keywords
audio data
bluetooth
narrowband
audio
transmission module
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CN202210012454.5A
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Chinese (zh)
Inventor
林平
樊胡兵
钟义
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Hytera Communications Corp Ltd
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Hytera Communications Corp Ltd
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Priority to CN202210012454.5A priority Critical patent/CN116455417A/en
Publication of CN116455417A publication Critical patent/CN116455417A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

The invention provides a communication equipment circuit, a control method and communication equipment, wherein the communication equipment circuit comprises a Bluetooth chip, a narrow-band transmission module, an audio input device and an audio output device, and the Bluetooth chip comprises a Bluetooth processing unit and a coding and decoding unit; wherein: the encoding and decoding unit is used for encoding and/or decoding the first audio data received by the audio input device, the narrow-band transmission module or the Bluetooth processing unit to obtain second audio data, and outputting the second audio data through the output object after determining the output object in the Bluetooth processing unit, the narrow-band transmission module or the audio output device. The encoding and decoding functions of the communication equipment are realized through the encoding and decoding units in the Bluetooth chip, so that the encoding and decoding chips are not required to be additionally arranged, the cost of the communication equipment is reduced, and meanwhile, the connection relation between the Bluetooth chip and each device is redesigned to realize the correct signal transmission between the devices.

Description

Communication device circuit, control method and communication device
Technical Field
The present invention relates to the field of voice communication, and in particular, to a communication device circuit, a control method, and a communication device.
Background
Bluetooth is a radio technology supporting short-range communication of devices, and can exchange information between a plurality of communication devices in a wireless manner; taking the interphone in the prior art as an example, the interphone with the Bluetooth communication function generally comprises an audio encoding and decoding chip and a Bluetooth chip which are connected with each other, and the interphone has the advantages of simplicity in audio transmission and small development difficulty due to the arrangement mode, and meanwhile, the problem of overhigh cost caused by large main board area of the interphone due to too many devices in the interphone.
Disclosure of Invention
The invention mainly aims to provide a communication equipment circuit, a communication equipment control method and communication equipment, and aims to solve the problem that the cost of an interphone with a Bluetooth communication function in the prior art is too high.
In order to achieve the above object, the present invention provides a communication device circuit, which is connected with a bluetooth device, the communication device circuit includes a bluetooth chip, a narrowband transmission module, an audio input device, and an audio output device, the bluetooth chip includes a bluetooth processing unit and a codec unit; the encoding and decoding unit is respectively connected with the audio input device, the audio output device and the narrow-band transmission module, and the Bluetooth processing unit is connected with the Bluetooth equipment; wherein:
the encoding and decoding unit is used for encoding and/or decoding the first audio data received by the audio input device, the narrowband transmission module or the Bluetooth processing unit to obtain second audio data, and outputting the second audio data through the output object after determining the output object in the Bluetooth processing unit, the narrowband transmission module or the audio output device; the first audio data are audio data acquired by the communication equipment, and the second audio data are audio data to be output by the communication equipment.
Optionally, the bluetooth processing unit includes a bluetooth radio frequency subunit and a bluetooth processing subunit; the Bluetooth radio frequency subunit is connected with the Bluetooth equipment through a Bluetooth protocol, the Bluetooth radio frequency subunit is connected with the Bluetooth processing subunit, and the Bluetooth processing subunit is connected with the narrowband transmission module through the encoding and decoding unit; wherein:
the Bluetooth radio frequency subunit is used for receiving Bluetooth radio frequency signals and sending the Bluetooth radio frequency signals to the Bluetooth processing subunit, and is also used for receiving Bluetooth carrier signals sent by the Bluetooth processing subunit and sending the Bluetooth carrier signals to the Bluetooth equipment;
the Bluetooth processing subunit is used for receiving the Bluetooth radio frequency signal, obtaining the first audio data after performing signal processing on the Bluetooth radio frequency signal, and sending the first audio data to the narrowband transmission module or the encoding and decoding unit; the Bluetooth radio frequency subunit is also used for receiving the second audio data and sending Bluetooth carrier signals corresponding to the second audio data to the Bluetooth radio frequency subunit;
the narrowband transmission module is used for outputting the received first audio data;
the encoding and decoding unit is used for decoding the received first audio data sent by the Bluetooth processing subunit and then sending the decoded first audio data to the narrowband transmission module for outputting.
Optionally, the bluetooth processing subunit includes a bluetooth processor and a digital signal processor, the digital signal processor is connected between the bluetooth radio frequency subunit and the bluetooth processor, and the bluetooth processor is further connected with the codec unit.
Optionally, the narrowband transmission module includes a narrowband radio frequency unit and a narrowband processor; the narrowband radio frequency unit is connected with the narrowband processor, and the narrowband processor is connected with the encoding and decoding unit; wherein:
the narrowband radio frequency unit is used for receiving a narrowband radio frequency signal, transmitting the first audio data obtained after demodulation of the narrowband radio frequency signal to the narrowband processor, receiving second audio data transmitted by the narrowband processor, and modulating the second audio data into a narrowband carrier signal to be output;
the narrowband processor is used for receiving the first audio data, sending the first audio data to the encoding and decoding unit, receiving the second audio data and sending the second audio data to the narrowband radio frequency unit;
the encoding and decoding unit is configured to decode the received first audio signal sent by the narrowband processor and send the decoded first audio signal to the bluetooth processing unit or the audio output device.
In addition, to achieve the above object, the present invention also provides a communication device control method, which is applied to the communication device circuit as described above, the method comprising:
transmitting the received first audio data to the codec unit through the audio input device, the narrowband transmission module, or the bluetooth processing unit;
and encoding and/or decoding the first audio data through the encoding and decoding unit to obtain the second audio data, and outputting the second audio data through the output object after determining the output object in the Bluetooth processing unit, the narrowband transmission module or the audio output device.
Optionally, the step of encoding and/or decoding the first audio data to obtain the second audio data, and after determining an output object in the bluetooth processing unit, the narrowband transmission module, or the audio output device, outputting the second audio data through the output object includes:
judging that the first audio data is received by the audio input device, the narrowband transmission module or the Bluetooth processing unit;
and determining a coding and decoding mode of the first audio data and an output object of the second audio data according to the judging result.
Optionally, the step of determining the coding and decoding modes of the first audio data according to the judging result, and the output object of the second audio data includes:
if the first audio data are received by the audio input device, the first audio data are encoded to obtain the second audio data;
and determining the output object of the second audio data as the narrowband transmission module.
Optionally, the step of determining the coding and decoding modes of the first audio data according to the judging result, and the output object of the second audio data includes:
if the first audio data are received by the narrowband transmission module, judging whether the Bluetooth processing unit is connected with the Bluetooth device or not;
if the Bluetooth processing unit is connected with the Bluetooth device, decoding the first audio data to obtain the second audio data, and determining that an output object of the second audio data is the Bluetooth chip;
and if the Bluetooth processing unit is not connected with the Bluetooth device, decoding the first audio data to obtain the second audio data, and determining the output object of the second audio data as the audio output device.
Optionally, the step of determining the coding and decoding modes of the first audio data according to the judging result, and the output object of the second audio data includes:
if the first audio data are received by the Bluetooth processing unit, decoding the first audio data to obtain the second audio data;
and determining the output object of the second audio data as the narrowband transmission module.
Further, to achieve the above object, the present invention also provides a communication device including a communication device circuit configured as the communication device circuit described above or applied to the communication device control method described above.
According to the communication equipment circuit, the control method and the communication equipment, the encoding and decoding functions of the communication equipment are realized through the encoding and decoding units in the Bluetooth chip, so that the encoding and decoding chips are not required to be additionally arranged, the cost of the communication equipment is reduced, and meanwhile, the connection relation between the Bluetooth chip and each device is redesigned, so that the correct signal transmission among the devices is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a functional block diagram of an embodiment of a communication device circuit according to the present invention;
fig. 2 is a schematic diagram of data transmission when a communication device is connected to a bluetooth device in the communication device circuit according to the present invention;
fig. 3 is a schematic diagram of data transmission when a communication device is not connected to a bluetooth device in the communication device circuit according to the present invention;
fig. 4 is a flowchart of an embodiment of a control method of a communication device according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Reference numerals illustrate:
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a communication equipment circuit, which is applied to communication equipment, wherein the communication equipment can be an interphone, please refer to fig. 1, and fig. 1 is a functional block diagram of an embodiment of the communication equipment circuit of the invention. In this embodiment, the communication device circuit is connected to a bluetooth device, the communication device circuit includes a bluetooth chip 100, a narrowband transmission module 200, an audio input device 300, and an audio output device 400, the bluetooth chip 100 includes a bluetooth processing unit 120 and a codec unit 110; the codec unit 110 is connected to the audio input device 300, the audio output device 400, and the narrowband transmission module 200, and the bluetooth processing unit 120 is connected to the bluetooth device; wherein:
the codec unit 110 is configured to encode and/or decode the first audio data received by the audio input device 300, the narrowband transmission module 200, or the bluetooth processing unit 120 to obtain second audio data, and determine an output object in the bluetooth processing unit 120, the narrowband transmission module 200, or the audio output device 400, and then output the second audio data through the output object; the first audio data are audio data acquired by the communication equipment, and the second audio data are audio data to be output by the communication equipment.
The audio input device 300 in this embodiment is a microphone, and the number of microphones may be set according to the actual application scenario and needs, which is not limited herein. In other embodiments, the audio input device 300 may also be an audio playing terminal, an intelligent terminal, etc., such as a communication device directly receiving audio stream data sent by the audio playing terminal through a wired or wireless connection with the audio playing terminal.
The audio output device 400 in the present embodiment includes a receiver 430, a power amplifier 410, and a speaker 420; wherein: the input end of the receiver 430 is connected with the encoding and decoding unit 110; an input terminal of the power amplifier 410 is connected to the codec unit 110, and an output terminal of the power amplifier 410 is connected to the speaker 420. It should be noted that, the audio output period may also be an audio playing terminal, an intelligent terminal, or the like, for example, the communication device may send the audio data received through the narrowband transmission module 200 to the audio playing terminal through a wired or wireless connection with the audio playing terminal.
The bluetooth device is a device for transmitting data through a bluetooth protocol, such as a bluetooth headset, an intelligent terminal with a bluetooth function, and the like. Specifically, when the user needs to connect with a bluetooth device, the user sends a bluetooth command through the communication device, the narrowband processor 220 in the narrowband transmission module 200 receives the bluetooth command, sends a bluetooth search command to the bluetooth processing unit 120, the bluetooth processing unit 120 starts searching for nearby bluetooth devices, and sends the searched bluetooth device identifier to the narrowband processor 220, the narrowband processor 220 controls the display screen to display the bluetooth device identifier, the user triggers the connection command by selecting the bluetooth device identifier, the narrowband processor 220 sends the connection command to the bluetooth processing unit 120, and the bluetooth processing unit 120 establishes a bluetooth connection with the bluetooth device corresponding to the connection command. It should be noted that, the specific connection manner of the bluetooth device may also be selected according to actual needs and application scenarios, which is not limited herein. It should be noted that, when the communication device is connected to the bluetooth device, the audio data input of the audio input device 300 and the audio data output of the audio output device 400 are masked.
The narrowband transmission module 200 performs data transmission through a relatively narrow frequency band, and the narrowband transmission module 200 is mainly used for connecting with other communication devices and performing audio data transmission between different communication devices. The narrowband transmission module 200 is connected with the codec unit 110 through an audio bus and a control bus, specifically, the audio bus in this embodiment is I2S, and the control bus is I2C or SPI; it should be noted that the specific bus type may be selected according to the actual application scenario and needs, and no setting is performed here. The narrowband transmission module 200 transmits audio data through an audio bus, and transmits control instructions such as a bluetooth instruction, a bluetooth search instruction, or a connection instruction through a control bus.
The basic control logic in this embodiment is:
the audio data input device comprises a Bluetooth chip 100, a narrowband transmission module 200 and an audio input device 300, and the audio data output device comprises the Bluetooth chip 100, the narrowband transmission module 200 and an audio output device 400;
when the communication device is connected to the bluetooth device, referring to fig. 2, if audio data is received through the bluetooth chip 100, since the audio data is native data, after the audio data is decoded, the audio data is output to other communication devices through the narrowband transmission module 200; when audio data is received through the narrowband transmission module 200, the audio data is required to be played because the audio data is data of other communication devices, and at this time, the audio data is output to the Bluetooth device after being decoded;
when the communication device is not connected to the bluetooth device, referring to fig. 3, if audio data is received through the audio input device 300, since the audio data is native data, after encoding the audio data, the audio data is output to other communication devices through the narrowband transmission module 200; when audio data is received through the narrowband transmission module 200, the audio data is required to be played because the audio data is data of other communication devices, and at this time, the audio data is output to the audio output device 400 to be played after being decoded.
In this embodiment, the codec unit 110 in the bluetooth chip 100 realizes the codec function of the communication device, so that no additional codec chip is required, the cost of the communication device is reduced, and meanwhile, the connection relationship between the bluetooth chip 100 and each device is redesigned to realize correct signal transmission between each device.
Further, the bluetooth processing unit 120 includes a bluetooth radio frequency subunit 121 and a bluetooth processing subunit 122; the bluetooth radio frequency subunit 121 is connected with the bluetooth device through a bluetooth protocol, the bluetooth radio frequency subunit 121 is connected with the bluetooth processing subunit 122, and the bluetooth processing subunit 122 is connected with the narrowband transmission module 200 through the codec unit 110; wherein:
the bluetooth radio frequency subunit 121 is configured to receive a bluetooth radio frequency signal, send the bluetooth radio frequency signal to the bluetooth processing subunit 122, and receive a bluetooth carrier signal sent by the bluetooth processing subunit 122, and send the bluetooth carrier signal to the bluetooth device;
the bluetooth processing subunit 122 is configured to receive the bluetooth radio frequency signal, obtain the first audio data after performing signal processing on the bluetooth radio frequency signal, and send the first audio data to the narrowband transmission module 200 or the codec unit 110; and is further configured to receive the second audio data, and send a bluetooth carrier signal corresponding to the second audio data to the bluetooth radio frequency subunit 121;
the narrowband transmission module 200 is configured to output the received first audio data;
the codec unit 110 is configured to decode the received first audio data sent by the bluetooth processing subunit 122, and send the decoded first audio data to the narrowband transmission module 200 for output.
Processing transmission data transmission and reception with the bluetooth device through the bluetooth radio frequency subunit 121; the bluetooth processing subunit 122 includes a bluetooth processor and a digital signal processor, wherein the digital signal processor is connected between the bluetooth radio frequency subunit 121 and the bluetooth processor, and the bluetooth processor is further connected with the codec unit 110.
The digital signal processor DSP converts the analog signal received by the bluetooth radio frequency subunit 121 into a digital signal, and then performs a series of tunable algorithm processing on the digital signal to meet the requirements of improving tone quality, matrix mixing, noise cancellation, echo cancellation, feedback cancellation and the like; it should be noted that, the connection mode of the bluetooth device includes analog access and digital access; when the connection mode of the Bluetooth device is analog access, the digital signal processor sends the received audio data to the encoding and decoding unit 110 for decoding and then sends the audio data to the narrowband transmission module 200; when the connection mode of the bluetooth device is digital access, the digital signal processor directly transmits the received audio data to the narrowband transmission module 200. The bluetooth processing subunit 122 processes the received audio data into audio data conforming to the bluetooth protocol.
Since the bluetooth chip 100 and the narrowband transmission module 200 are transmitted based on different protocols, the first audio data received by the bluetooth chip 100 needs to be decoded and then sent to the narrowband transmission module.
Further, the narrowband transmission module 200 includes a narrowband radio frequency unit 210 and a narrowband processor 220; the narrowband radio frequency unit 210 is connected with the narrowband processor 220, and the narrowband processor 220 is connected with the codec unit 110; wherein:
the narrowband radio frequency unit 210 is configured to receive a narrowband radio frequency signal, send the first audio data obtained after demodulating the narrowband radio frequency signal to the narrowband processor 220, and receive second audio data sent by the narrowband processor 220, and modulate the second audio data into a narrowband carrier signal for output;
the narrowband processor 220 is configured to receive the first audio data and send the first audio data to the codec unit 110, and further configured to receive the second audio data and send the second audio data to the narrowband radio frequency unit 210;
the codec unit 110 is configured to decode the received first audio signal sent by the narrowband processor 220, and send the decoded first audio signal to the bluetooth processing unit 120 or the audio output device 400.
It should be noted that, the narrowband radio frequency unit 210 may include an antenna, an uplink processing device, and a downlink processing device, where the uplink processing device includes a buffer amplifier, an excitation amplifier, a low-pass filter, etc., and the narrowband radio frequency signal is output through the antenna after being processed by the buffer amplifier, the excitation amplifier, the low-pass filter, etc.; downstream processing devices such as an amplifier, a band-pass filter, and a de-emphasis circuit receive the narrowband rf signal via the antenna, and output the narrowband rf signal to the narrowband processor 220 after processing by the amplifier, the band-pass filter, and the de-emphasis circuit. The narrowband processor 220 in this embodiment is used as a host processor of the communication device, and is configured to receive a user instruction and control each device in the communication device.
The embodiment realizes the function of ensuring the communication equipment on the basis of reducing the extra encoding and decoding chips through the design of the connection relation between the modules.
In addition, the invention also protects a control method of the communication equipment, referring to fig. 4, the method comprises the following steps:
step S10, the received first audio data is sent to the encoding and decoding unit through the audio input device, the narrowband transmission module or the Bluetooth processing unit;
step S20, encoding and/or decoding the first audio data by the codec unit to obtain the second audio data, and after determining an output object in the bluetooth processing unit, the narrowband transmission module, or the audio output device, outputting the second audio data through the output object.
According to the embodiment, the encoding and decoding functions of the communication equipment are realized through the encoding and decoding units in the Bluetooth chip, so that the encoding and decoding chips are not required to be additionally arranged, the cost of the communication equipment is reduced, and meanwhile, the connection relation between the Bluetooth chip and each device is redesigned, so that the correct signal transmission among the devices is realized.
Further, the step S20 includes:
step S21, judging that the first audio data is received by the audio input device, the narrowband transmission module or the Bluetooth processing unit;
step S22, determining the encoding and decoding modes of the first audio data and the output object of the second audio data according to the judging result.
Different receiving objects of the first audio data determine whether the current audio data is transmitted in an uplink or a downlink, for example, when the first audio data is received by an audio input device or a Bluetooth processing unit, the current audio data is in an uplink; when the first audio data is received by the narrowband transmission module, the audio data is downlink; the subsequent operations corresponding to the uplink and the downlink are different, the uplink needs to send the second audio data to other communication devices, and the downlink needs to play or output the second audio data to the bluetooth device through the audio output device.
Further, the step S22 includes:
step S221, if the first audio data is received by the audio input device, encoding the first audio data to obtain the second audio data;
step S222, determining the output object of the second audio data as the narrowband transmission module.
If the first audio data is received by the audio input device, the first audio data is uplink, the first audio data is encoded by a protocol corresponding to the narrowband transmission module to obtain second audio data, and the second audio data is output by the narrowband transmission module.
Further, the step S22 includes:
step S223, if the first audio data is received by the narrowband transmission module, determining whether the bluetooth processing unit is connected to the bluetooth device;
step S224, if the bluetooth processing unit is connected to the bluetooth device, decoding the first audio data to obtain the second audio data, and determining that an output object of the second audio data is the bluetooth chip;
in step S225, if the bluetooth processing unit is not connected to the bluetooth device, the first audio data is decoded to obtain the second audio data, and the output object of the second audio data is determined to be the audio output device.
If the first audio data is received by the narrowband transmission module, the first audio data is downlink, wherein the two conditions are included, the communication equipment is connected with the Bluetooth equipment, and the communication equipment is not connected with the Bluetooth equipment;
when the communication equipment is connected with the Bluetooth equipment, audio data input of the audio input device and audio data output of the audio output device are shielded, at the moment, the audio data are only transmitted between the Bluetooth chip and the narrow-band transmission module, and for descending, the received first audio data are firstly decoded, then the Bluetooth protocol is used for encoding to obtain second audio data, and the second audio data are further transmitted to the Bluetooth equipment.
When the communication equipment is not connected with the Bluetooth equipment, the audio data are transmitted between the Bluetooth chip and the audio output device, and for downlink, the received first audio data are decoded to obtain second audio data, and the audio output device plays according to the second audio data.
Further, the step S22 includes:
step S226, if the first audio data is received by the bluetooth processing unit, decoding the first audio data to obtain the second audio data;
step S227, determining the output object of the second audio data as the narrowband transmission module.
If the first audio data is received by the Bluetooth processing unit, the first audio data is uplink, the first audio data is decoded, and then encoded by a protocol corresponding to the narrowband transmission module to obtain second audio data, and the second audio data is output by the narrowband transmission module.
The embodiment purposefully formulates a data transmission method according to the redesigned communication device circuit, so that the communication device circuit can ensure the function of the communication device on the basis of reducing an additional encoding and decoding chip.
The method is applied to the communication device circuit, and the structure of the communication device circuit can refer to the above embodiment, and will not be described herein. The implementation process is consistent with the foregoing structural embodiment, and reference may be made to execution.
The present invention also protects a communication device, which includes a communication device circuit, and the structure of the communication device circuit can refer to the above embodiment, and will not be described herein. It should be noted that, since the communication device of the present embodiment adopts the technical solutions of the above-described communication device circuit and the communication device control method, the communication device has all the advantages of the above-described communication device circuit and the communication device control method.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or system that comprises the element. The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (10)

1. The communication equipment circuit is characterized by being connected with Bluetooth equipment, and comprises a Bluetooth chip, a narrowband transmission module, an audio input device and an audio output device, wherein the Bluetooth chip comprises a Bluetooth processing unit and a coding and decoding unit; the encoding and decoding unit is respectively connected with the audio input device, the audio output device and the narrow-band transmission module, and the Bluetooth processing unit is connected with the Bluetooth equipment; wherein:
the encoding and decoding unit is used for encoding and/or decoding the first audio data received by the audio input device, the narrowband transmission module or the Bluetooth processing unit to obtain second audio data, and outputting the second audio data through the output object after determining the output object in the Bluetooth processing unit, the narrowband transmission module or the audio output device; the first audio data are audio data acquired by the communication equipment, and the second audio data are audio data to be output by the communication equipment.
2. The communication device circuitry of claim 1, wherein the bluetooth processing unit comprises a bluetooth radio frequency subunit and a bluetooth processing subunit; the Bluetooth radio frequency subunit is connected with the Bluetooth equipment through a Bluetooth protocol, the Bluetooth radio frequency subunit is connected with the Bluetooth processing subunit, and the Bluetooth processing subunit is connected with the narrowband transmission module through the encoding and decoding unit; wherein:
the Bluetooth radio frequency subunit is used for receiving Bluetooth radio frequency signals and sending the Bluetooth radio frequency signals to the Bluetooth processing subunit, and is also used for receiving Bluetooth carrier signals sent by the Bluetooth processing subunit and sending the Bluetooth carrier signals to the Bluetooth equipment;
the Bluetooth processing subunit is used for receiving the Bluetooth radio frequency signal, obtaining the first audio data after performing signal processing on the Bluetooth radio frequency signal, and sending the first audio data to the narrowband transmission module or the encoding and decoding unit; the Bluetooth radio frequency subunit is also used for receiving the second audio data and sending Bluetooth carrier signals corresponding to the second audio data to the Bluetooth radio frequency subunit;
the narrowband transmission module is used for outputting the received first audio data;
the encoding and decoding unit is used for decoding the received first audio data sent by the Bluetooth processing subunit and then sending the decoded first audio data to the narrowband transmission module for outputting.
3. The communication device circuit of claim 2, wherein the bluetooth processing subunit comprises a bluetooth processor and a digital signal processor, the digital signal processor being connected between the bluetooth radio frequency subunit and the bluetooth processor, the bluetooth processor further being connected with the codec unit.
4. The communication device circuit of claim 1, wherein the narrowband transmission module comprises a narrowband radio frequency unit and a narrowband processor; the narrowband radio frequency unit is connected with the narrowband processor, and the narrowband processor is connected with the encoding and decoding unit; wherein:
the narrowband radio frequency unit is used for receiving a narrowband radio frequency signal, transmitting the first audio data obtained after demodulation of the narrowband radio frequency signal to the narrowband processor, receiving second audio data transmitted by the narrowband processor, and modulating the second audio data into a narrowband carrier signal to be output;
the narrowband processor is used for receiving the first audio data, sending the first audio data to the encoding and decoding unit, receiving the second audio data and sending the second audio data to the narrowband radio frequency unit;
the encoding and decoding unit is configured to decode the received first audio signal sent by the narrowband processor and send the decoded first audio signal to the bluetooth processing unit or the audio output device.
5. A communication device control method, characterized in that the method is applied to the communication device circuit according to any one of claims 1 to 4, the method comprising:
transmitting the received first audio data to the codec unit through the audio input device, the narrowband transmission module, or the bluetooth processing unit;
and encoding and/or decoding the first audio data through the encoding and decoding unit to obtain the second audio data, and outputting the second audio data through the output object after determining the output object in the Bluetooth processing unit, the narrowband transmission module or the audio output device.
6. The communication device control method of claim 5, wherein the step of encoding and/or decoding the first audio data to obtain the second audio data, and determining an output object in the bluetooth processing unit, the narrowband transmission module, or the audio output device comprises:
judging that the first audio data is received by the audio input device, the narrowband transmission module or the Bluetooth processing unit;
and determining a coding and decoding mode of the first audio data and an output object of the second audio data according to the judging result.
7. The method of controlling a communication device according to claim 6, wherein the step of determining a codec mode for the first audio data and an output object of the second audio data according to the determination result comprises:
if the first audio data are received by the audio input device, the first audio data are encoded to obtain the second audio data;
and determining the output object of the second audio data as the narrowband transmission module.
8. The method of controlling a communication device according to claim 6, wherein the step of determining a codec mode for the first audio data and an output object of the second audio data according to the determination result comprises:
if the first audio data are received by the narrowband transmission module, judging whether the Bluetooth processing unit is connected with the Bluetooth device or not;
if the Bluetooth processing unit is connected with the Bluetooth device, decoding the first audio data to obtain the second audio data, and determining that an output object of the second audio data is the Bluetooth chip;
and if the Bluetooth processing unit is not connected with the Bluetooth device, decoding the first audio data to obtain the second audio data, and determining the output object of the second audio data as the audio output device.
9. The method of controlling a communication device according to claim 6, wherein the step of determining a codec mode for the first audio data and an output object of the second audio data according to the determination result comprises:
if the first audio data are received by the Bluetooth processing unit, decoding the first audio data to obtain the second audio data;
and determining the output object of the second audio data as the narrowband transmission module.
10. A communication device, characterized in that the communication device comprises a communication device circuit configured as a communication device circuit according to any one of claims 1-4 or to apply a communication device control method according to any one of claims 5-9.
CN202210012454.5A 2022-01-06 2022-01-06 Communication device circuit, control method and communication device Pending CN116455417A (en)

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CN202210012454.5A CN116455417A (en) 2022-01-06 2022-01-06 Communication device circuit, control method and communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210012454.5A CN116455417A (en) 2022-01-06 2022-01-06 Communication device circuit, control method and communication device

Publications (1)

Publication Number Publication Date
CN116455417A true CN116455417A (en) 2023-07-18

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