CN111930665A - USB adapter for Bluetooth game sports earphone - Google Patents
USB adapter for Bluetooth game sports earphone Download PDFInfo
- Publication number
- CN111930665A CN111930665A CN202010878701.0A CN202010878701A CN111930665A CN 111930665 A CN111930665 A CN 111930665A CN 202010878701 A CN202010878701 A CN 202010878701A CN 111930665 A CN111930665 A CN 111930665A
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- China
- Prior art keywords
- bluetooth
- processor
- usb adapter
- usb
- signal connection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Hardware Design (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention relates to the technical field of Bluetooth earphones, and discloses a USB adapter for a Bluetooth game sports earphone, which comprises: the processor is used for encoding and decoding audio and Bluetooth transmission so as to simultaneously connect a plurality of Bluetooth earphones; one end of the Bluetooth amplifier is in signal connection with the processor and is used for amplifying and outputting the Bluetooth signal; the Bluetooth antenna is in signal connection with the other end of the Bluetooth amplifier and is used for performing Bluetooth connection with a Bluetooth game competitive earphone; the USB connector is in signal connection with the processor and is used for being externally connected with a USB port of a mobile phone or a computer; the clock crystal is in signal connection with the processor; and one end of the LDO chip is in signal connection with the USB connector, and the other end of the LDO chip is in signal connection with the Bluetooth amplifier and is used for performing voltage conversion and supplying power to the Bluetooth amplifier. The USB adapter disclosed by the invention can enable a plurality of Bluetooth earphones to be connected simultaneously, share audio frequency and accompany with playing games; the low-delay connection can be realized, and the game experience of audio and video asynchrony and direction discrimination by listening is improved.
Description
Technical Field
The invention relates to the technical field of Bluetooth earphones, in particular to a USB adapter for a Bluetooth game sports earphone.
Background
The Bluetooth headset is a small device based on Bluetooth technology, and free communication can be realized only by hiding the light device at the headset without directly using communication equipment (mobile phones, computers and the like). The Bluetooth earphone applies the Bluetooth technology to the hands-free earphone, so that users can avoid annoying wiring stumbling and can easily talk in various ways.
In the prior art, the audio transmission delay of the bluetooth headset in the current market is more than 100 mS, so that the audio and video asynchronism can occur when a game is played, and the response delay can occur in some game scenes in which the direction needs to be identified by listening sound, thereby influencing the game experience. In addition, the existing Bluetooth earphones are all mobile phones or computers which can be connected with one earphone, and two people are not required to play games simultaneously.
Therefore, how to reduce the connection delay of the bluetooth headset and achieve simultaneous connection of a plurality of bluetooth headsets becomes an urgent technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of how to reduce the connection delay of the Bluetooth headset and realize the simultaneous connection of a plurality of Bluetooth headsets.
Therefore, according to a first aspect, an embodiment of the present invention discloses a USB adapter for a bluetooth game sports headset, including: the processor is used for encoding and decoding audio and Bluetooth transmission so as to simultaneously connect a plurality of Bluetooth earphones; one end of the Bluetooth amplifier is in signal connection with the processor and is used for amplifying and outputting the Bluetooth signal; the Bluetooth antenna is in signal connection with the other end of the Bluetooth amplifier and is used for performing Bluetooth connection with a Bluetooth game competitive earphone; the USB connector is in signal connection with the processor and is used for being externally connected with a USB port of a mobile phone or a computer; the clock crystal is in signal connection with the processor; and one end of the LDO chip is connected with the USB connector power supply, and the other end of the LDO chip is connected with the Bluetooth amplifier power supply and is used for performing voltage conversion and supplying power to the Bluetooth amplifier.
The invention is further configured that the processor comprises an audio coding and decoding module, a bluetooth transmission module and a power management module, wherein the audio coding and decoding module is used for coding and decoding audio, the bluetooth transmission module is used for bluetooth transmission, and the power management module is used for managing the power of the USB adapter.
The invention is further arranged in that the processor is provided with a key module for controlling the function of the USB adapter, and the key module is electrically connected with the processor.
The invention is further configured to further include: and the key is in signal connection with the processor and is used for controlling the working state of the USB adapter.
The invention is further configured to further include: and the indicator light is in signal connection with the processor and is used for displaying the connection state of the Bluetooth.
The invention is further provided that the indicator light is an LED light.
The invention is further configured such that the crystal is a quartz crystal.
The invention is further configured such that the bluetooth antenna is a PCB antenna.
The invention has the following beneficial effects: the USB connector is externally connected with a USB port of a mobile phone or a computer, the Bluetooth amplifier amplifies and outputs Bluetooth signals, the Bluetooth antenna is in Bluetooth connection with the Bluetooth game competition earphone, and the processor is used for encoding and decoding audio and transmitting Bluetooth, so that a plurality of Bluetooth earphones are simultaneously connected, share audio and accompany with game playing; the low-delay connection can be realized, and the game experience of video asynchronism and direction discrimination by listening is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a USB adapter for a bluetooth game earphone disclosed in this embodiment;
fig. 2 is a schematic circuit diagram of a USB adapter for a bluetooth game earphone disclosed in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the invention discloses a USB adapter for a Bluetooth game sports earphone, which comprises the following components as shown in figure 1: treater, bluetooth amplifier, bluetooth antenna, USB connector, clock crystal and LDO chip, wherein: the processor is used for encoding and decoding audio and Bluetooth transmission so as to simultaneously connect a plurality of Bluetooth earphones; one end of the Bluetooth amplifier is in signal connection with the processor, and the Bluetooth amplifier is used for amplifying and outputting the Bluetooth signal; the Bluetooth antenna is in signal connection with the other end of the Bluetooth amplifier and is used for performing Bluetooth connection with a Bluetooth game competitive earphone; the USB connector is in signal connection with the processor and is used for being externally connected with a USB port of a mobile phone or a computer; the clock crystal is in signal connection with the processor; one end of the LDO chip is connected with the power supply of the USB connector, and the other end of the LDO chip is connected with the power supply of the Bluetooth amplifier and used for performing voltage conversion and supplying power to the Bluetooth amplifier.
It should be noted that, a USB connector is externally connected to a USB port of a mobile phone or a computer, a bluetooth amplifier amplifies and outputs a bluetooth signal, a bluetooth antenna is connected to a bluetooth game earphone via bluetooth, and a processor is used for encoding and decoding audio and bluetooth transmission, so that a plurality of bluetooth earphones are connected simultaneously to share audio and accompany game play; the low-delay connection can be realized, and the game experience of video asynchronism and direction discrimination by listening is improved.
As shown in fig. 1, the processor includes an audio codec module, a bluetooth transmission module, and a power management module, where the audio codec module is used for audio codec, the bluetooth transmission module is used for bluetooth transmission, and the power management module is used for managing the power of the USB adapter.
As shown in fig. 1, the processor is provided with a key module for controlling the function of the USB adapter, and the key module is electrically connected to the processor.
As shown in fig. 1, the method further includes: and the key is in signal connection with the processor and is used for controlling the working state of the USB adapter.
As shown in fig. 1, the method further includes: and the indicator light is in signal connection with the processor and is used for displaying the connection state of the Bluetooth.
As shown in fig. 1, the indicator light is an LED light.
As shown in fig. 1, the clock crystal is a quartz crystal.
As shown in fig. 1, the bluetooth antenna is a PCB antenna.
As shown in fig. 2, the processor integrates audio codec, bluetooth transmission and power management, and the processor is a bluetooth audio SOC chip OTK 5283P. The USB adapter takes electricity from the USB connector, and outputs 3.3V/1.6V/1.1V to each circuit for use after the power supply in the chip is managed and converted. Audio signals of a computer or a mobile phone are transmitted to the chip through the USB, and the processed audio signals are wirelessly output to the earphone end through the Bluetooth.
As shown in fig. 2, the 4 pins of the bluetooth signal amplifier are connected with the 28 pins of the chip, and the bluetooth signal is input through the pins, amplified and transmitted to the bluetooth antenna through the 10 pins. The control interface TX/RX (5/6 pin) of the Bluetooth amplifier is connected with a 32/33 pin UART interface of the chip and is used for controlling the working state of the amplifier.
As shown in FIG. 2, LDO voltage conversion, taking power from USB connector, converting to 3.3V, outputting to Bluetooth amplifier via 4 pins for power supply (connected with 14/16 pin VDD of Bluetooth signal amplifier)
As shown in FIG. 2, the USB connector is connected to the 2/3 pin D +/D-of the chip. USB interface for connecting mobile phone or computer
As shown in FIG. 2, the clock crystal is a 24M quartz crystal, and is connected with 20/21 pins of the chip to form a clock circuit.
As shown in FIG. 2, the key is a light touch switch, and is connected with 17 pins of the chip to form a key circuit
As shown in fig. 2, the indicator light is an LED light, is connected to the 38/39 pin of the chip, is directly driven by the chip, and is used to indicate the connection status of bluetooth.
As shown in fig. 2, the bluetooth antenna is a PCB antenna, and is connected to the 10 pins of the bluetooth amplifier.
It should be noted that the USB adapter disclosed in the present application establishes a dedicated Optek ELL bluetooth wireless connection with a bluetooth headset designed in the OTK5283P, and a delay as low as 20mS can be achieved based on the Optek ELL connection. When a plurality of bluetooth earphones are connected, in the pairing process, one earphone is paired with the USB dongle as the host, and other earphones share the address of the host and simultaneously receive the audio signal transmitted by the USB adapter, so that the plurality of bluetooth earphones are connected simultaneously.
The working principle is as follows: the USB connector is externally connected with a USB port of a mobile phone or a computer, the Bluetooth amplifier amplifies and outputs Bluetooth signals, the Bluetooth antenna is in Bluetooth connection with the Bluetooth game competition earphone, and the processor is used for encoding and decoding audio and transmitting Bluetooth, so that a plurality of Bluetooth earphones are simultaneously connected, share audio and accompany with game playing; the low-delay connection can be realized, and the game experience of video asynchronism and direction discrimination by listening is improved. It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A USB adapter for a Bluetooth game sports headset, comprising:
the processor is used for encoding and decoding audio and Bluetooth transmission so as to simultaneously connect a plurality of Bluetooth earphones;
one end of the Bluetooth amplifier is in signal connection with the processor and is used for amplifying and outputting the Bluetooth signal;
the Bluetooth antenna is in signal connection with the other end of the Bluetooth amplifier and is used for performing Bluetooth connection with a Bluetooth game competitive earphone;
the USB connector is in signal connection with the processor and is used for being externally connected with a USB port of a mobile phone or a computer;
the clock crystal is in signal connection with the processor;
and one end of the LDO chip is connected with the USB connector power supply, and the other end of the LDO chip is connected with the Bluetooth amplifier power supply and is used for performing voltage conversion and supplying power to the Bluetooth amplifier.
2. The USB adapter for a Bluetooth game sports headset of claim 1, wherein the processor includes an audio codec module, a Bluetooth transmission module, and a power management module, the audio codec module is used for audio codec, the Bluetooth transmission module is used for Bluetooth transmission, and the power management module is used for managing a power supply of the USB adapter.
3. The USB adapter for a Bluetooth game sports headset of claim 1, wherein a button module for controlling the function of the USB adapter is provided on the processor, and the button module is electrically connected with the processor.
4. The USB adapter for a bluetooth game sports headset according to claim 1, further comprising:
and the key is in signal connection with the processor and is used for controlling the working state of the USB adapter.
5. The USB adapter for a bluetooth game sports headset according to claim 1, further comprising:
and the indicator light is in signal connection with the processor and is used for displaying the connection state of the Bluetooth.
6. The USB adapter for a Bluetooth game sports headset of claim 5, wherein the indicator light is an LED light.
7. The USB adapter for a Bluetooth game sports headset of claim 1, wherein the crystal is a quartz crystal.
8. The USB adapter for a Bluetooth game sports headset of claim 1, wherein the Bluetooth antenna is a PCB antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878701.0A CN111930665A (en) | 2020-08-27 | 2020-08-27 | USB adapter for Bluetooth game sports earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878701.0A CN111930665A (en) | 2020-08-27 | 2020-08-27 | USB adapter for Bluetooth game sports earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111930665A true CN111930665A (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010878701.0A Pending CN111930665A (en) | 2020-08-27 | 2020-08-27 | USB adapter for Bluetooth game sports earphone |
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| Country | Link |
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| CN (1) | CN111930665A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752246A (en) * | 2020-12-16 | 2021-05-04 | 江苏惠通集团有限责任公司 | Terminal adapter and communication system |
| CN113015057A (en) * | 2021-03-16 | 2021-06-22 | 歌尔科技有限公司 | Earphone and earphone system |
-
2020
- 2020-08-27 CN CN202010878701.0A patent/CN111930665A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752246A (en) * | 2020-12-16 | 2021-05-04 | 江苏惠通集团有限责任公司 | Terminal adapter and communication system |
| CN113015057A (en) * | 2021-03-16 | 2021-06-22 | 歌尔科技有限公司 | Earphone and earphone system |
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