CN206602617U - The Karaoke earphone of USB interface - Google Patents
The Karaoke earphone of USB interface Download PDFInfo
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- CN206602617U CN206602617U CN201720084736.0U CN201720084736U CN206602617U CN 206602617 U CN206602617 U CN 206602617U CN 201720084736 U CN201720084736 U CN 201720084736U CN 206602617 U CN206602617 U CN 206602617U
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Abstract
The utility model discloses a kind of Karaoke earphone of USB interface, it is related on audio signal processing technique field, including connecting line, sound effect control box and receiver, connecting line one end and is provided with a USB plug；Sound effect control box is connected with the connecting line other end, USB MCU modules and the Digital audio process module being connected with USB MCU modules one end are provided with sound effect control box, USB MCU modules also are connected to connect outer audio equipment with the USB plug on the connecting line, USB plug is Type c USB plugs, and the control signal of Digital audio process module is connected with USB MCU modules；Receiver is connected with sound effect control box.The Karaoke earphone uses USB plug, receives the digital audio and video signals that outer audio equipment is sent, the digital audio and video signals for receiving are passed through into audio effect processing so that earphone pronunciation is with more personalization.
Description
Technical field
The utility model is related to audio signal processing technique field, more particularly to a kind of USB interface Karaoke earphone.
Background technology
At present, the audio signal that most of Karaoke earphone of in the market can be received from outer audio equipment is all
Simulated audio signal, its plug is all to save plug using 3.5mm tetra-, with the development of science and technology, in order that the sound that earphone is sent
Become apparent from, some outer audio equipments have canceled plug interface, and use USB interface, what its outer audio equipment was sent
Audio signal is also changed into digital audio and video signals so that many Karaoke earphones of in the market, which can not be connected to, this new to be had
The outer audio equipment of USB.
Utility model content
The technology that the utility model can not be connected to the outer audio equipment with USB to solve Karaoke earphone is asked
There is provided a kind of Karaoke earphone of USB interface for topic, it is intended at least solves above-mentioned technical problem to a certain extent.
To achieve these goals, the utility model provides a kind of Karaoke earphone of USB interface, including：Connection
A USB plug is provided with line, described connecting line one end；Sound effect control box, the sound effect control box and the connecting line are another
End is connected, and USB MCU modules and the numeral being connected with described USB MCU modules one end are provided with the sound effect control box
Audio processing modules, the USB MCU modules also are connected to connect outside with the USB plugs on the connecting line
Audio frequency apparatus, the USB MCU modules are latter for the digital audio and video signals exported on the outer audio equipment to be transported to
The Digital audio process module of level, the Digital audio process module is used to carry out audio effect processing to digital audio and video signals,
Digital audio and video signals are converted into simulated audio signal, wherein, the USB plug is Type-c USB plugs, the outside sound
The first USB that an audio signal for being used for the outer audio equipment is conveyed is provided with frequency equipment, the first USB is inserted
Mouth is Type-c USBs, and first USB is adapted with the USB plug, while the digital audio processing mould
The control signal of block is connected with the USB MCU modules；Receiver, the receiver is connected with the sound effect control box, is used for
Receive the simulated audio signal of the Digital audio process module conversion.
According to optimal technical scheme of the present utility model：The receiver includes a loudspeaker, the loudspeaker and the number
Word audio processing modules are connected, the simulated audio signal for receiving the Digital audio process module conversion, and by described
USB MCU modules control the Digital audio process module to drive the loudspeaker to send sound.
According to optimal technical scheme of the present utility model：One is additionally provided with the sound effect control box and supplies the external audio
Second USB of equipment charge.
According to optimal technical scheme of the present utility model：Also include a microphone, the microphone and the DAB
Processing module is connected, after the simulated audio signal exported by microphone is handled through the Digital audio process module, inverse conversion
For digital audio and video signals, the USB MCU modules pass through the digital audio and video signals after Digital audio process module processing
The USB plugs pass to the outer audio equipment.
According to optimal technical scheme of the present utility model：The first function button, are additionally provided with the sound effect control box
Two function buttons and the 3rd function button, first function button are play/pause button, and second function button is sound
Amount plus button, the 3rd function button are volume down button, first function button, second function button and described
The control signal of 3rd function button is connected with the USB MCU modules.
According to optimal technical scheme of the present utility model：The tone patterns of the Digital audio process module are magnetic master
Broadcast, sprout ma goddess, the male god of the younger sister that raises, male voice, female voice or child's voice.
The beneficial effects of the utility model are：
By providing a kind of Karaoke earphone of USB interface, the Karaoke earphone uses USB plug, can directly use
On with USB outer audio equipment, the digital audio and video signals that outer audio equipment is sent are received, while coming receiving
Digital audio and video signals after audio effect processing so that Karaoke earphone pronunciation with more personalization.
Brief description of the drawings
Fig. 1 is the flow chart of the Karaoke earphone of the utility model USB interface；
Fig. 2 is the overall structure diagram of the Karaoke earphone of USB interface.
Wherein, 10, connecting line；101st, USB plug；20th, sound effect control box；201st, USB MCU modules；202nd, digital sound
Frequency processing module；203rd, the second USB；204th, the first function button；205th, the second function button；206th, the 3rd function is pressed
Button；30th, outer audio equipment；40th, receiver；401st, loudspeaker；50th, microphone.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not direct contact but logical that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
The utility model is described in further detail below by embodiment combination accompanying drawing.
As shown in Figure 1-2, a kind of Karaoke earphone of USB interface is present embodiments provided, including：Connecting line 10, it is described
A USB plug 101 is provided with the one end of connecting line 10；Sound effect control box 20, the sound effect control box 20 and the connecting line 10
The other end is connected, be provided with the sound effect control box 20 USB MCU modules 201 and with the USB MCU modules 201 1
The Digital audio process module 202 being connected is held, the other end of USB MCU modules 201 passes through the institute on the connecting line 10
USB plug 101 is stated to be connected with outer audio equipment 30, the App in outer audio equipment 30 passes through USB communication protocol
Mode is communicated with the OK a karaoke club ok earphones of USB interface, to facilitate the mode of operation of the inside of real-time update sound effect control box 20, institute
State USB MCU modules 201 defeated by I2S bus communications for the digital audio and video signals that will be exported on the outer audio equipment 30
The Digital audio process module 202 of rear stage is sent to, the Digital audio process module 202 is used for digital audio and video signals
Audio effect processing is carried out, digital audio and video signals are converted into simulated audio signal, this step needs usb signal transmission stable, is resisted dry
Disturb ability strong, wherein I2S buses, also known as integrated circuit built-in audio bus, be PHILIPS Co. for digital audio-frequency apparatus it
Between voice data transmission and a kind of bus standard for formulating, the bus specializes in the data transfer between audio frequency apparatus, extensively
Applied to various multimedia systems, it employs the design along independent wire transmission clock and data-signal, by by data
Separated with clock signal, it is to avoid because of the distortion that the time difference induces, be the professional equipment that user saves purchase resistance audio jitter
Expense.
The USB plug 101 is Type-c USB plugs, be provided with the outer audio equipment 30 one be used for it is described
First USB of the audio signal conveying of outer audio equipment 30, first USB is Type-c USBs, institute
State the first USB to be adapted with the USB plug 101, interface includes plug and socket, the bright spot of Type-c USB interfaces exists
In it is more slim design, faster transmission speed (highest 10Gbps) and more intrepid power transmission (highest 100W),
The characteristics of Type-C two-sided insertings interface is maximum is to support the two-sided insertion of USB interface, is formally solved " the eternal inaccurate plugs of USB "
Global problem, positive and negative at will inserts, while also must be thinner and lighter with its matching used USB data line.
The control signal of the Digital audio process module 202 is connected with the USB MCU modules 201 simultaneously, described
USB MCU modules 201 control the Digital audio process module 202 by SP1 transfer bus and I2S bus communications, and conveying refers to
Make to the Digital audio process module 202.SPI is Serial Peripheral Interface (SPI) (Serial Peripheral Interface)
Abbreviation, SPI is a kind of high speed, full duplex, synchronous communication bus, and only takes up four lines on the pin of chip, this
Sample can save the pin of chip, while to save space in PCB layout, convenient use, this step needs USB MCU modules 201
Power supply power stabilization, simulation output strong antijamming capability, simulation output distortion be 0.1%, signal to noise ratio >=75d.
Wherein USB MCU modules 201 are HX6310F chips, and Digital audio process module 202 is CHX6800S chips, is listened
Cylinder 40, the receiver 40 is connected with the sound effect control box 20, is changed for receiving the Digital audio process module 202
Simulated audio signal and make the sounding of receiver 40.
Receiver 40 described in the present embodiment includes a loudspeaker 401, the loudspeaker 401 and the digital audio processing mould
Block 202 is connected, for receiving the simulated audio signal that the Digital audio process module 202 is changed, and by the USB MCU
Module 201 controls the Digital audio process module 202 to drive the loudspeaker 401 to send sound, the big ditty of its sound
Section is controlled by USB MCU modules 201.
Existing Karaoke earphone needs to increase extra function in rear end, and such as noise reduction and DSP audio frequency process are, it is necessary to external
Power supply is powered, and so may result in the configuration design of product becomes more complicated, while so that sense during consumer experience earphone
Feel worse, the present embodiment is additionally provided with one for the second of the charging of outer audio equipment 30 on the sound effect control box 20
USB sockets 203, on the outer audio equipment 30 of Type-C interfaces when carrying out listening music or K to sing, directly by this
Second USB 203 charges to outer audio equipment 30.
The Karaoke earphone of USB interface also includes a microphone 50, is used during for being conversed with other people, the microphone 50
It is connected with the Digital audio process module 202, the simulated audio signal exported by microphone 50 is through the DAB
Manage after module 202 handles, reverse is changed to digital audio and video signals, the USB MCU modules 201 are by the Digital audio process module
Digital audio and video signals after 202 processing pass to the outer audio equipment 30 by the USB plug 101.
Be additionally provided with sound effect control box described in the present embodiment 20 first function button 204, the second function button 205 and
3rd function button 206, these three buttons are due to being provided on sound effect control box 20, and human hand is readily accessible, and facilitate
User uses at any time.Specifically, first function button 204 is feature switching push button, second function button
205 be that feature adds button, and the 3rd function button 206 is that feature subtracts button, first function button 204, described
The control signal of second function button 205 and the 3rd function button 206 is connected with the USB MCU modules 201, its
Middle feature switching push button can carry out audio scene, tone patterns, recording mode and the switching of switching on and shutting down, and feature adds button can
Progress volume adds, scene selection or tone are selected, and feature, which subtracts button, can carry out volume down, scene selection or tone selection.
The Karaoke earphone of this USB interface can be by the App in outer audio equipment 30 to input/output audio signal
Following processing is done, specifically, the Digital audio process module 202 is input to the audio signal in outer audio equipment 30
Tone patterns can be divided into magnetic main broadcaster, sprout ma goddess, the male god of the younger sister that raises, male voice, female voice or child's voice.
Meanwhile, the scene that the Digital audio process module 202 is input to sound pick-up outfit audio signal is done by dsp chip
Following mode treatment, including 3D is stereo, music hall, parlor, open air, square, teahouse, cinema, theatre or OK a karaoke club ok
Parlor, wherein Karaoke parlor can be divided into big room, middle room or cubicle.
And the audio signal that the outer audio equipment 30 is exported passes through DSP by the Digital audio process module 202
The audio frequency process of following pattern, including supper bass, allusion, prevalence, rock and roll or primary sound are done, these can freely be selected as needed
Select, DSP is Digital Signal Processing, dsp chip is the chip for referring to realize Digital Signal Processing, including the number
Word audio processing modules 202 etc..
Simultaneously, it is necessary to which a kind of novel USB interface in explanation, the present embodiment plays Karaoka earphone when in use, except
Input/output audio signal is done outside audio effect processing as described above using the App in outer audio equipment 30, passes through earphone sound
Button above effect control box 20 can equally perform the switching of the corresponding audio pattern of above-mentioned software.
Go to set the various Working moulds of the Karaoke earphone of USB interface in real time by the App in outer audio equipment 30
Formula, while the various schema updates set in real time are cured into the inside of sound effect control box 20 and go to carry out various moulds by App
The switching of formula.
By writing audio algorithm control logic, corresponding sliding block is set on App, in the outer audio equipment 30
APP softwares on the outer audio equipment 30 input or export audio signal carry out audio effect processing, including lifting high pitch
Or reduction high pitch, the scene audio intensity to typing are adjusted and the gain size of microphone 50 is adjusted, in App
One storage button is set on application interface, is carried out with facilitating user to set current pattern after preservation in real time, is exited and work as
Preceding App, goes to carry out the operation of k songs and recording with current pattern on other application platforms.
Increase an interface inside App, the current audio file recorded of display, user can look in real time herein
To and play current audio file, need to only use hand to touch corresponding icon, it is possible to open and use, while can also will be currently
Recording file carry out uploading internet in real time and share application interface by writing App, one interface of increase on App,
Software and the version information of hardware to show the OK a karaoke club ok earphones in current connection.
So, by providing a kind of Karaoke earphone of USB interface, the Karaoke earphone uses Type-c USB plugs
101, it can be directly used on the outer audio equipment 30 with Type-c USBs, receive outer audio equipment 30 and sent out
The digital audio and video signals gone out, while the digital audio and video signals received are carried out after audio effect processing so that the OK a karaoke club of USB interface
OK earphone pronunciations are with more personalization.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation
The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example
Specific features, structure, material or the feature of description are contained at least one embodiment of the present utility model or example.At this
In specification, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, description is specific
Feature, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to assert
Specific implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (5)
1. a kind of Karaoke earphone of USB interface, it is characterised in that including：
A USB plug is provided with connecting line, described connecting line one end；
Sound effect control box, the sound effect control box is connected with the connecting line other end, is provided with the sound effect control box
USB MCU modules and the Digital audio process module being connected with described USB MCU modules one end, the USB MCU modules are also
It is connected with the USB plug on the connecting line so as to connect outer audio equipment, the USB MCU modules are used for institute
State the Digital audio process module that the digital audio and video signals exported on outer audio equipment are transported to rear stage, the numeral
Audio processing modules are used to carry out audio effect processing to digital audio and video signals, and digital audio and video signals are converted into simulated audio signal,
Wherein, the USB plug is to be provided with one on Type-c USB plugs, the outer audio equipment to set for the external audio
First USB of standby audio signal conveying, first USB is Type-c USBs, first USB
It is adapted with the USB plug, while the control signal of the Digital audio process module is connected with the USB MCU modules
Connect；
Receiver, the receiver is connected with the sound effect control box, the mould for receiving the Digital audio process module conversion
Intend audio signal.
2. the Karaoke earphone of USB interface as claimed in claim 1, it is characterised in that the receiver includes a loudspeaker, institute
State loudspeaker with the Digital audio process module to be connected, the analog audio for receiving the Digital audio process module conversion
Frequency signal, and control the Digital audio process module to drive the loudspeaker to send sound by the USB MCU modules.
3. the Karaoke earphone of USB interface as claimed in claim 2, it is characterised in that also set up on the sound effect control box
Have one for the outer audio equipment charging the second USB.
4. the Karaoke earphone of USB interface as claimed in claim 3, it is characterised in that also including a microphone, the Mike
Wind is connected with the Digital audio process module, and the simulated audio signal exported by microphone is through the digital audio processing mould
After block processing, reverse is changed to digital audio and video signals, and the USB MCU modules are by the number after Digital audio process module processing
Word audio signal passes to the outer audio equipment by the USB plug.
5. the Karaoke earphone of USB interface as claimed in claim 4, it is characterised in that also set up on the sound effect control box
There are the first function button, the second function button and the 3rd function button, first function button is play/pause button, institute
The second function button is stated for volume plus button, the 3rd function button is volume down button, it is first function button, described
The control signal of second function button and the 3rd function button is connected with the USB MCU modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720084736.0U CN206602617U (en) | 2017-01-22 | 2017-01-22 | The Karaoke earphone of USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720084736.0U CN206602617U (en) | 2017-01-22 | 2017-01-22 | The Karaoke earphone of USB interface |
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| Publication Number | Publication Date |
|---|---|
| CN206602617U true CN206602617U (en) | 2017-10-31 |
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ID=60148475
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720084736.0U Active CN206602617U (en) | 2017-01-22 | 2017-01-22 | The Karaoke earphone of USB interface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851454A (en) * | 2017-01-22 | 2017-06-13 | 贵州翔通科技实业有限公司 | The Karaoke earphone and its communication means of USB interface |
| CN110868664A (en) * | 2018-08-28 | 2020-03-06 | 富电电子 | USB type earphone converter for intelligent mobile phone |
-
2017
- 2017-01-22 CN CN201720084736.0U patent/CN206602617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851454A (en) * | 2017-01-22 | 2017-06-13 | 贵州翔通科技实业有限公司 | The Karaoke earphone and its communication means of USB interface |
| CN110868664A (en) * | 2018-08-28 | 2020-03-06 | 富电电子 | USB type earphone converter for intelligent mobile phone |
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