CN105702272B - A kind of audio-frequence player device - Google Patents
A kind of audio-frequence player device Download PDFInfo
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- CN105702272B CN105702272B CN201610017789.0A CN201610017789A CN105702272B CN 105702272 B CN105702272 B CN 105702272B CN 201610017789 A CN201610017789 A CN 201610017789A CN 105702272 B CN105702272 B CN 105702272B
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
Abstract
The invention belongs to audio play-back technology fields, disclose a kind of audio-frequence player device.In the present invention, by using including power module, processing module, audio decoder module, audio playing module, WiFi module, the audio-frequence player device of memory module and key module, wherein, processing module can read the first audio data of storage beyond the clouds by WiFi module, processing module reads the second audio data of storage in a storage module, and the first audio data or second audio data are sent to by audio decoder module according to operation information, audio decoder module exports after the first audio data or second audio data are carried out analog-to-digital conversion to audio playing module, audio playing module carries out audio broadcasting according to the first digital audio-frequency data or the second digital audio-frequency data, cloud and local song can be played simultaneously by realizing, and then it solves the problems, such as existing audio-frequence player device there are playing resources and is single.
Description
Technical field
The invention belongs to audio play-back technology field more particularly to a kind of audio-frequence player devices.
Background technique
Currently, Large heavy equipment CD of the audio-frequence player device since most is played with the rapid development of electronics industry
Device, VCD player, DVD player etc. are gradually developed to recording pen, and then small and exquisite till now exquisite by recording pen again
MP3 player, MP4 player and MP5 player etc..However, existing music player involved in above-mentioned can only be solely
The audio file being stored in player is played out, and cannot achieve the diversification of playing resource.
In conclusion existing audio-frequence player device has that playing resource is single.
Summary of the invention
The purpose of the present invention is to provide a kind of audio-frequence player devices, it is intended to solve existing audio-frequence player device presence and broadcast
Put the single problem of resource.
The invention is realized in this way a kind of audio-frequence player device, the audio-frequence player device include:
Power module, processing module, audio decoder module, audio playing module, WiFi module, memory module and key
Module；
The power module respectively with the processing module, the audio decoder module, the WiFi module and described
Memory module connection, the processing module and the audio decoder module, the WiFi module, the memory module and described
Key module connection, the audio decoder module are connect with the audio playing module；
The power module is the processing module, the audio decoder module, the WiFi module and the storage
Module provides operating voltage, and the key module exports corresponding operation information to the processing module, institute according to user's operation
It states processing module and the first audio data of storage beyond the clouds is read by the WiFi module, the processing module reading is stored in
Second audio data in the memory module, and according to the operation information by first audio data or second sound
Frequency is according to the audio decoder module is sent to, and the audio decoder module is to first audio data or second audio
Data carry out analog-to-digital conversion, and export the first digital audio-frequency data or the second digital audio-frequency data to the audio playing module,
The audio playing module carries out audio broadcasting according to first digital audio-frequency data or second digital audio-frequency data.
In the present invention, by using include power module, processing module, audio decoder module, audio playing module,
The audio-frequence player device of WiFi module, memory module and key module, wherein processing module can be read by WiFi module and be deposited
The first audio data of storage beyond the clouds, processing module read the second audio data of storage in a storage module, and according to operation
First audio data or second audio data are sent to audio decoder module by information, and audio decoder module is by the first audio data
Or output is to audio playing module after second audio data progress analog-to-digital conversion, audio playing module is according to the first digital audio number
According to or the second digital audio-frequency data carry out audio broadcasting, cloud and local song can be played simultaneously by realizing, and then be solved
Existing audio-frequence player device has that playing resource is single.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of audio-frequence player device provided by one embodiment of the invention；
Fig. 2 is the circuit diagram of the audio playing module 103 of audio-frequence player device shown in FIG. 1；
Fig. 3 is the circuit diagram of the WiFi module 104 of audio-frequence player device shown in FIG. 1；
Fig. 4 a and Fig. 4 b is the circuit diagram of the key module 106 of audio-frequence player device shown in FIG. 1；
Fig. 5 is another modular structure schematic diagram of audio-frequence player device provided by one embodiment of the invention；
Fig. 6 is the circuit diagram of the storage card base 108 of audio-frequence player device shown in fig. 5；
Fig. 7 is the circuit diagram of the first USB stand 109 of audio-frequence player device shown in fig. 5；
Fig. 8 is the circuit diagram of the cue module 115 of audio-frequence player device shown in fig. 5.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific attached drawing:
Fig. 1 shows the modular structure of audio-frequence player device provided by one embodiment of the invention, for ease of description, only
Part related to the present embodiment is shown, details are as follows:
Audio-frequence player device shown in the present embodiment includes power module 100, processing module 101, audio decoder module
102, audio playing module 103, WiFi module 104, memory module 105 and key module 106.Wherein, power module 100 divides
Do not connect with processing module 101, audio decoder module 102, WiFi module 104 and memory module 105, processing module 101 with
Audio decoder module 102, WiFi module 104, memory module 105 and key module 106 connect, audio decoder module 102 with
Audio playing module 103 connects.
Specifically, power module 100 is processing module 101, audio decoder module 102, WiFi module 104 and storage mould
Block 105 provides operating voltage, and key module 106 exports corresponding operation information to processing module 101, processing according to user's operation
Module 101 reads the first audio data of storage beyond the clouds by WiFi module 104, which also can be read simultaneously
The second audio data being stored in memory module 105, and according to operation information by the first audio data or second audio data
It is sent to audio decoder module 102.Audio decoder module 102 carries out modulus to the first audio data or second audio data and turns
It changes, and exports the first digital audio-frequency data or the second digital audio-frequency data value audio playing module 103, audio playing module 103
Audio broadcasting is carried out according to the first digital audio-frequency data or the second digital audio played data.It should be noted that in this implementation
Example in, the first audio data can, first audio data identical with second audio data include but be not limited to the second audio
Data or the first audio data are identical as second audio data part.
As an embodiment of the present invention, memory module 105 is realized using chip H27UBG8T2BTR-BC.
As an embodiment of the present invention, power module 100 is realized using power management chip AXP152, low in energy consumption,
Voltage conversion efficiency is high, noise is low；Signal processing chip realization of the processing module 101 using the full will A12 of model, audio decoder
Module 102 realizes that WiFi module 104 is realized using chip RTL8188EUS, power consumption using audio decoder chip CS42L52
It is low, data transmission bauds is fast.
Specifically, the communication interface of power management chip AXP152 is connect with the communication interface of above-mentioned signal processing chip,
And pass through the voltage of communication interface setting output to modules；The first voltage output pin of power management chip AXP152
It is connect with the voltage input pin of above-mentioned signal processing chip, the second voltage output pin and sound of power management chip AXP152
The voltage input pin of frequency decoding chip CS42L52 connects, the tertiary voltage output pin and core of power management chip AXP152
The power pins of piece RTL8188EUS connect, the 4th voltage output pin and chip of power management chip AXP152
The power pins of H27UBG8T2BTR-BC connect.In the present embodiment, the exportable multiple power supplies of power management chip AXP152,
To meet the needs of modules are different, and the circuit for exporting multiple power supplys is mutually indepedent, avoids generating noise between each other
Interference.
The audio unit interface pin of above-mentioned signal processing chip and the interface pin of audio decoder chip CS42L52 connect
It connects；The wireless interface pin of above-mentioned signal processing chip and the interface pin of RTL8188EUS connect；Above-mentioned signal processing chip
Memory cell interface pin connect with the interface pin of chip H27UBG8T2BTR-BC.
Fig. 2 shows the physical circuits of the audio playing module 103 of audio-frequence player device shown in FIG. 1.As shown in Fig. 2,
Audio playing module 103 is made of the first loudspeaker 103a, the second loudspeaker 103b and peripheral circuit.The first of first loudspeaker 103a
Input terminal is connect by inductance L1 with the first audio output OUT-A+ of audio decoder module 102, and the of the first loudspeaker 103a
Two input terminals are connect by inductance L2 with the second audio output OUT-A- of audio decoder module 102, the first loudspeaker 103a's
First input end is connect with the first end of the first end of capacitor C1, the first end of capacitor C2 and diode D1 respectively, the first loudspeaker
The second input terminal of 103a connects with the first end of the second end of capacitor C1, the first end of capacitor C3 and diode D2 respectively
It connects, the second end of capacitor C2, the second end of capacitor C3, the second end of the second end of diode D1 and diode D2 are grounded；
The first input end of second loudspeaker 103b is connected by inductance L3 and the third audio output OUT-B+ of audio decoder module 102
It connects, the second input terminal of the second loudspeaker 103b passes through the 4th audio output OUT-B- of inductance L4 and audio decoder module 102
Connection, the first input end of the second loudspeaker 103b respectively with the first end of capacitor C4, the first end of capacitor C5 and diode D3
First end connection, the second input terminal of the second loudspeaker 103b respectively with the second end of capacitor C4, the first end of capacitor C6 and
The first end of diode D4 connects, the second end of capacitor C5, the second end of capacitor C6, the second end and diode of diode D3
The second end of D4 is grounded.In the present embodiment, the peripheral circuit being made of capacitor, inductance and diode with can be to being input to
The digital audio-frequency data of first loudspeaker 103a and the second loudspeaker 103b are filtered, to improve play quality.
Fig. 3 shows the physical circuit of the WiFi module 104 of audio-frequence player device shown in FIG. 1.As shown in figure 3, WiFi
The grounding pin GND of module 104 is grounded, and power pins VCC passes through the tertiary voltage output pin of inductance L5 and power module 100
DLD01 connection, data pin UDM are connect by resistance R1 with the data terminal DM1 of processing module 101, and data pin UDP passes through electricity
Resistance R2 connect with the DP1 data terminal of processing module 101, antenna end interface ANT pass through capacitor C7 and capacitor C8 first end and
The first end of inductance L6 connects, and the second end of inductance L6 is connect with the first end of capacitor C9, the first end of capacitor C9 and built-in day
Line 104c connection, the second end of capacitor C8 are grounded with the second end of capacitor C9.
Key module 106 includes broadcasting button unit 106a and volume control button unit 106b.
Specifically, Fig. 4 a shows the physical circuit of broadcasting button unit 106a, as shown in fig. 4 a, broadcasting button unit
106a includes key K1, voltage-stabiliser tube D5, resistance R3 and capacitor C10 composition.The first end of key K1 and the first of voltage-stabiliser tube D5
End and ground connection, the second end of key K1 and the 5th voltage pin PWR, the second end of voltage-stabiliser tube D5, electricity of power module 100
Hinder the first end connection of R3, the signal end GPIO- of the second end of resistance R3 and the first end of capacitor C10 and processing module 101
PG10 connection, the second end ground connection of capacitor C10.
Fig. 4 b shows the physical circuit of volume control button unit 106b, as shown in Figure 4 b, volume control button unit
106b includes key K2, key K3, resistance R4, resistance R5, resistance R6, resistance R7 and voltage-stabiliser tube D6.The first end of key K2
It is connect with the first end of the first end of resistance R4, the first end of resistance R6 and resistance R7, the second end ground connection of key K2, resistance
The second end of R7 is connect with the second end of voltage-stabiliser tube D6, the first end ground connection of voltage-stabiliser tube D6, the second end and processing mould of resistance R4
The signal end GPIO-PB10 connection of block 101, the first end of key K3 and the first end of resistance R5 and the second end of resistance R6 connect
It connects, the second end of resistance R5 is connect with the signal end GPIO-PB11 of processing module 101.
It elaborates below in conjunction with the course of work of the foregoing circuit to audio-frequence player device provided in an embodiment of the present invention:
When user presses the power button of long-pressing audio-frequence player device, audio-frequence player device is started to work, at this time power supply mould
Block 100 provides operating voltage to processing module 101, audio decoder module 102, WiFi module 104 and memory module 105.When
User again the power button of short-press playback equipment when, key K1 closure, the signal end of processing module 101 detects closing for key K1
It closes the time, processing module 101 generates broadcast information according to the closing time, and is stored in memory module according to broadcast information reading
Second audio data in 105.Processing module 101 reads and the second audio data is sent to sound after the second audio data
Frequency decoder module 102, audio decoder module 102 carry out analog-to-digital conversion process to the second audio data, to generate the second number
Audio data, and pass through the first audio output OUT-A+, the second audio output OUT-A-, third audio output OUT-B+
And the 4th audio output OUT-B- second digital audio-frequency data is sent to inductance L1, inductance L2, inductance L3 and electricity
Feel L4, and then second digital audio-frequency data is sent to the first loudspeaker by inductance L1, inductance L2, inductance L3 and inductance L4
The first input end and the second input terminal of the first input end of 103a, the second input terminal and the second loudspeaker 103b, so as to
One loudspeaker 103a and the second loudspeaker 103b carries out audio broadcasting according to second digital audio-frequency data.
In addition, when user's power button of short-press playback equipment again, key K1 closure, the signal end of processing module 101
GPIO-PG10 detects the closing time of key K1, and processing module 101 generates broadcast information according to the closing time, and according to
Broadcast information reads the first audio data of storage beyond the clouds by WiFi module 104.Processing module 101 read this first
First audio data is sent to audio decoder module 102 after audio data, audio decoder module 102 is to the first audio number
According to analog-to-digital conversion process is carried out, to generate the first digital audio-frequency data, and pass through the first audio output OUT-A+, the second audio
Output end OUT-A-, third audio output OUT-B+ and the 4th audio output OUT-B- are by first digital audio-frequency data
It is sent to inductance L1, inductance L2, inductance L3 and inductance L4, and then should by inductance L1, inductance L2, inductance L3 and inductance L4
First digital audio-frequency data is sent to the of the first input end of the first loudspeaker 103a, the second input terminal and the second loudspeaker 103b
One input terminal and the second input terminal, so as to the first loudspeaker 103a and the second loudspeaker 103b according to first digital audio-frequency data into
Row audio plays.Wherein, key K2 or key when the volume that user presses audio-frequence player device adds perhaps volume down key
K3 closure, 106 output volume of key module add information or volume down information, processing module 101 according to the volume add information or
Person's volume down information output volume adds control information and volume down control information, and is sent to sound by audio decoder module 102
Frequency playing module 103 realizes that audio playing module 103 plays increasing or reducing for the volume of audio with this.
In the present invention, it is broadcast by using including power module 100, processing module 101, audio decoder module 102, audio
Amplification module 103, WiFi module 104, memory module 105 and key module 106 audio-frequence player device, wherein processing module
101 can read the first audio data of storage beyond the clouds by WiFi module 104, and the reading of processing module 101 is stored in storage mould
Second audio data in block 105, and the first audio data or second audio data are sent to by audio solution according to operation information
Code module 102, audio decoder module 102 export after first audio data or second audio data are carried out analog-to-digital conversion to audio
Playing module 103, audio playing module 103 carry out audio according to the first digital audio-frequency data or the second digital audio-frequency data and broadcast
It puts, cloud and local song can be played simultaneously by realizing, and then solves existing audio-frequence player device there are playing resources
Single problem.
Further, as shown in figure 5, audio-frequence player device further includes network module 107, network module 107 and the place
It manages module 101 to connect, processing module 101 reads the first audio data by network module 107 or processing module 101 passes through net
Second audio data is sent to cloud by network module 107.
Specifically, network module 107 includes network management unit 107a, network voltage transformation unit 107b and network interface list
First 107c, network management unit 107a connection processing module 101 and network voltage transformation unit 107b, network voltage transformation unit 107b and net
Network interface unit connects 107c；First audio data is sent to network voltage transformation unit 107b, network by Network Interface Unit 107c
Voltage transformation unit 107b carries out coupling processing to the first audio data, and the first audio data after coupling processing is sent to network
Administrative unit 107a, so that the first audio data after coupling processing is sent to processing module 101 by network management unit 107a；
Alternatively, network management unit 107a carries out scrambling code to second audio data, serializing is handled, and will treated the second audio number
According to network voltage transformation unit 107b is sent to, to treated, second audio data carries out coupling processing to network voltage transformation unit 107b,
And the second audio data after coupling is sent to by cloud by Network Interface Unit 107c.It should be noted that in this implementation
In example, network management unit 107a is realized using network interface chip RTL8201, and network voltage transformation unit 107b uses network transformer core
Piece TRC41604NL is realized and Network Interface Unit 107c is realized using network interface chip RJ45-12.
In the present embodiment, the Network Interface Unit 107c of network module 107 passes through wired mode in audio-frequence player device
It is connect with outer computer, the audio data being stored in outer computer can be obtained, so that audio frequency apparatus can pass through cable etc.
Mode and outer net such as Ethernet etc. connect, and then the playing resource of audio frequency apparatus is obtained by wired mode, further enrich
The playing resource of audio-frequence player device.
As an embodiment of the present invention, audio-frequence player device further includes storage card base 108, storage card base 108 and processing mould
Block 101 connects, and for placing storage card, third audio data is stored in storage card.Storage card base 108 is equivalent to processing module
Communication channel between 101 and storage card, when storage card base 108 is placed with storage card, processing module 101 detects storage card
The storage card that seat 108 is placed, and the third audio data being stored in storage card is read by storage card base 108, it is further rich
The rich playing resource of audio-frequence player device.
Specifically, as shown in fig. 6, the storage card base 108 of the present embodiment is chip SDMMC-SLOT, power pins VCC
External 3.3V voltage is connect, the first ground terminal GND, the second ground terminal GND-PAD1, third ground terminal GND-PAD2 are grounded, chip
The clock signal terminal CLK of the SDMMC-SLOT and clock signal terminal SD0- of signal processing chip (i.e. above-mentioned processing module 101)
CLK connection, the first data terminal DAT0, the second data terminal DAT1, the number of third data terminal DAT2 and the 4th of chip SDMMC-SLOT
It is counted respectively with the data terminal SDC0-D0 of signal processing chip, data terminal SDC0-D1, data terminal SDC0-D2 and the 4th according to end DAT3
According to end SDC0-D3 connection, the control terminal SDC0-CMD connection of the control terminal CMD and signal processing chip of chip SDMMC-SLOT,
The test side EINT connection of the test side CD and signal processing chip of chip SDMMC-SLOT.
As an embodiment of the present invention, audio-frequence player device further includes the first USB stand 109, the first USB stand 109 with
Processing module 101 connects, and processing module 101 obtains the 4th audio data from External memory equipment by the first USB stand 109.
Specifically, as shown in fig. 7, the pin 1 of the first USB stand 109 of the present embodiment receives external power supply input
5V voltage, and pin 1 is connect with the first end of the first end of capacitor C11 and capacitor C12, capacitor C12 and capacitor C12's
Second end is grounded；It is (i.e. above-mentioned that the pin 2 of first USB stand 109 passes sequentially through inductance L7, resistance R8 and signal processing chip
Processing module 101) the UDM0 connection of USB interface end, the first end of inductance L7 connect with the second end of phasmajector ESD1, electrostatic
The first end of pipe ESD1 is grounded, and the pin 3 of the first USB stand 109 passes sequentially through inductance L8, resistance R9 and signal processing chip
The UDP0 connection of USB interface end, the first end of inductance L8 are connect with the second end of phasmajector ESD2, the first termination of phasmajector ESD2
Ground, pin 4, pin 5 and the pin 6 of the first USB stand 109 are grounded.It should be noted that in the present embodiment, resistance
R8 and resistance R9 is Zero-ohm resistor, and phasmajector ESD1 and phasmajector ESD2 can play the role of antistatic, is effectively avoided outer
Interference of the sector signal to being generated in signals transmission.
Wherein, when external USB flash disk apparatus connecting is to the first USB stand, the golden finger of external USB flash disk equipment and the first USB
The corresponding contact of each pin of son 109, at this point, the first USB stand 109 is logical between external USB flash disk equipment and processing module 101
Believe channel, processing module 101 can read the 4th audio data being stored in external USB flash disk by the first USB stand 109, into one
Step enriches the playing resource of audio-frequence player device.
As an embodiment of the present invention, audio-frequence player device further includes the 2nd USB stand 110, the 2nd USB stand 110
It is connect with power module 100, power module 100 obtains charge power supply from external charging equipment by the 2nd USB stand 110.Its
In, the 2nd USB stand 110 is existing usb circuit, and the power module 100 of audio-frequence player device can pass through the USB interface
Circuit obtains electric energy from external charge power supply, and external charging power supply is direct current 5V power supply under normal conditions.
As an embodiment of the present invention, audio-frequence player device further includes lithium battery 111 and charging module 112, lithium battery 111
It is connect with charging module 112, charging module 112 connects the 2nd USB stand 110 and power module 100,112 basis of charging module
The electric energy that lithium battery 111 exports charges to power module 100；Alternatively, charging module 112 by the 2nd USB stand 110 from
External charging equipment obtains electric energy, and charges to power module 100.
As an embodiment of the present invention, audio-frequence player device further includes earphone stand 113 and acoustic interface module 114, ear
Base 113 is connect with audio decoder module 102 and acoustic interface module 114；When external audio equipment accesses acoustic interface
When module 114, external audio equipment obtains digital audio-frequency data from acoustic interface module 114 to carry out audio broadcasting；Work as earphone
When 113 non-grafting earphone of stand, the first digital audio-frequency data or the second digital audio-frequency data are sent to sound equipment by earphone stand 113
Interface module 114；When 113 grafting earphone of earphone stand, earphone stand 113 is by the first digital audio-frequency data or the second digital sound
Frequency evidence is sent to earphone.In the present embodiment, by the way that earphone stand 113 and acoustic interface mould are arranged in audio-frequence player device
Block 114 so that audio-frequence player device, which can be realized, listens to music using earphone, and can play music by peripheral stereo set,
Improve user experience.
As an embodiment of the present invention, audio-frequence player device further includes cue module 115, cue module 115 and processing mould
Block 101 and power module 100 connect, and power module 100 is that cue module 115 provides operating voltage, and cue module 115 receives
The control information that processing module 101 is exported according to operation information, and corresponding luminous prompting is executed according to the control information.
Specifically, as shown in figure 8, cue module 115 includes main control module and lamp panel module.Main control module is opened including first
Close pipe Q1, second switch Q2, third switching tube Q3, resistance R10, resistance R11, resistance R12 and interface circuit J4, interface electricity
The power pins VCC of road J4 is connect with the 6th voltage output pin VCC of power module 100, the signal pins of interface circuit J4
GPO1, GPO2 and GPO3 are switched respectively at the output end of first switch tube Q1, the output end of second switch Q2 and third
The output end of pipe Q3 connects, the common end of first switch tube Q1, the common end of second switch element Q2 and third switch element
The common end of Q3 is grounded, and the control terminal of first switching element Q1 passes through resistance R10 and signal processing chip (i.e. above-mentioned processing
Module 101) signal end GPIO-PG11 connection, the control terminal of second switch element Q2 passes through resistance R11 and signal processing chip
Signal end GPIO-PG12 connection, the control terminal of third switch element Q3 passes through the signal end of resistance R12 and signal processing chip
GPIO-PG13 connection, the ground terminal GND ground connection of interface circuit J4.
Lamp panel module is connect with main control module by interface circuit J4, in addition, lamp panel module further includes multiple LED light groups
(three groups are only shown in figure), capacitor C13 and capacitor C14, each LED light group include three Light-emitting diode LED and three electricity
R is hindered, the anode of three Light-emitting diode LED of each lamp group passes through the signal pins of a resistance R and interface circuit J4 respectively
GPO1, GPO2 and GPO3 connect one to one, and the cathode of each Light-emitting diode LED connects altogether with the first end of capacitor C13, electricity
The first end for holding C13 is connect with the first end of capacitor C14, and the second end of capacitor C13 and the second end of capacitor C14 connect and ground altogether.
It should be noted that in the present embodiment, the light color that three Light-emitting diode LED of each LED light group are issued is different.
In the present embodiment, first switching element Q1, second switch element Q2 and third switch element Q3 are NPN type
Transistor, the control of the control terminal of first switching element Q1, the control terminal of second switch element Q2 and third switch element Q3
End is the base stage of transistor, the common end of first switching element Q1, the common end of second switch element Q2 and third switch
The common end of element Q3 is the emitter of transistor, the output of the output end, second switch element Q2 of first switching element Q1
The output end of end and third switch element Q3 are the collector of transistor.
The course of work of cue module 115 is described in detail by taking start process as an example below:
Wherein, when key module 106 exports power-on operation information to signal processing chip, the signal of signal processing chip
End GPIO-PG11 exports light emitting control information to first switching element Q1 according to the power-on operation information that key module 106 exports
Control terminal, the control terminal of first switching element Q1 controls first switching element Q1 conducting, conducting according to the light emitting control information
First switching element Q1 afterwards by the signal pins GPO1 of interface circuit J4 output current in each LED light group with the signal
The Light-emitting diode LED of pin GPO1 connection, the Light-emitting diode LED being connect with signal pins GPO1 in each LED light group
It shines under the action of electric current, and then realizes booting luminous prompting；In addition, working as the signal end GPIO-PG11 of signal processing chip
When no signal exports, first switching element Q1 is closed, i.e., first switching element Q1 no current exports, and then the letter of interface circuit J4
Number pin GPO1 no current output, so that the diode (LED) connecting in each LED light group with signal pins GPO1 is not
It shines.
In the present embodiment, by the device prompts module 115 in audio-frequence player device, so that audio-frequence player device is being held
Corresponding prompt can be issued when the different functions of row, and luminescent composition is different in different function, so that audio plays
The sense of hearing and vision are realized in the operation that equipment can remind user performed at present, and can realize interacting for light and music
Double enjoyments.
As an embodiment of the present invention, audio-frequence player device further includes memory modules 116, the memory modules 116 and power supply
Module 100 and processing module 101 connect, for storing the application program of the work of processing module 101, and memory modules 116
For DDR3, realized using memory chip NT5CB128M16FP-DI.
As an embodiment of the present invention, audio-frequence player device further includes that voice obtains module 117, and voice obtains module 117
It is connect with audio decoder module 102, voice obtains module 117 and obtains the broadcasting voice letter instruction that user issues, and according to broadcasting
Phonetic order, which generates, plays voice messaging, and the broadcasting voice messaging is sent to audio decoder module 102, audio decoder module
102, which will play voice messaging, is decoded as digital broadcast voice signal and is sent to processing module 101, and processing module 101 is according to number
Word plays voice signal and selects corresponding audio data from the first audio data or second audio data, and audio data is sent out
It send to audio decoder module 102, audio decoder module 102 carries out analog-to-digital conversion to audio data, and exports digital audio-frequency data
To audio playing module 103, audio playing module 103 carries out audio broadcasting according to digital audio-frequency data.In the present embodiment, lead to
It crosses and voice acquisition module 117 is set in audio-frequence player device, so that user can directly pass through voice control audio-frequence player device
Local music or cloud music are played, the performance of audio-frequence player device and the experience of user are further improved.
In conclusion in the present embodiment, by the way that storage stand the 108, the first USB is arranged in audio-frequence player device
Son, network module 107, earphone stand 113, acoustic interface module 114, cue module 115 and voice obtain module 117, make
Obtaining audio-frequence player device has multiple interfaces, and then available more playing resources；In addition, cue module 115 and voice
The setting for obtaining module 117 allows user to enjoy auditory perception and visual experience simultaneously, and can pass through voice control sound
Frequency device plays local music or cloud music, improve the experience of user.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of audio-frequence player device, which is characterized in that the audio-frequence player device includes:
Power module, processing module, audio decoder module, audio playing module, WiFi module, memory module and key mould
Block；
The power module respectively with the processing module, the audio decoder module, the WiFi module and the storage
Module connection, the processing module and the audio decoder module, the WiFi module, the memory module and the key
Module connection, the audio decoder module are connect with the audio playing module；
The power module is the processing module, the audio decoder module, the WiFi module and the memory module
Operating voltage is provided, the key module exports corresponding operation information to the processing module, the place according to user's operation
It manages module and the first audio data of storage beyond the clouds is read by the WiFi module, the processing module reading is stored in described
Second audio data in memory module, and according to the operation information by first audio data or the second audio number
According to the audio decoder module is sent to, the audio decoder module is to first audio data or the second audio data
Analog-to-digital conversion is carried out, and the first digital audio-frequency data of output or the second digital audio-frequency data are to the audio playing module, it is described
Audio playing module carries out audio broadcasting according to first digital audio-frequency data or second digital audio-frequency data；
Wherein, the audio-frequence player device further includes that voice obtains module, and the voice obtains module and the audio decoder mould
Block connection, the voice obtains module and obtains the broadcasting phonetic order that user issues, and is generated according to the broadcasting phonetic order
Voice messaging is played, the broadcasting voice messaging is decoded as digital broadcast voice signal and is sent to by the audio decoder module
The processing module, the processing module is according to the digital broadcast voice signal from first audio data or described second
Corresponding audio data is selected in audio data, and the audio data is sent to the audio decoder module, the audio
Decoder module carries out analog-to-digital conversion to the audio data, and exports digital audio-frequency data to the audio playing module, described
Audio playing module carries out audio broadcasting according to the digital audio-frequency data.
2. audio-frequence player device according to claim 1, which is characterized in that the audio-frequence player device further include:
Network module, the network module are connect with the processing module, and the processing module is read by the network module
The second audio data is sent to the cloud by the network module by first audio data or the processing module
End.
3. audio-frequence player device according to claim 2, which is characterized in that the network module includes network management list
Member, network voltage transformation unit and Network Interface Unit；
The network management unit connects the processing module and the network voltage transformation unit, the network voltage transformation unit with it is described
Network Interface Unit connection；
First audio data is sent to the network voltage transformation unit, the network voltage transformation unit by the Network Interface Unit
Coupling processing is carried out to first audio data, and first audio data after coupling processing is sent to the network
Administrative unit, so that first audio data after coupling processing is sent to the processing mould by the network management unit
Block；
Alternatively, the network management unit carries out scrambling code to the second audio data, serializing is handled, and will treated institute
It states second audio data and is sent to the network voltage transformation unit, the network voltage transformation unit the second audio number to treated
According to progress coupling processing, and the second audio data after coupling is sent to by the cloud by the Network Interface Unit
End.
4. audio-frequence player device according to claim 1, which is characterized in that the audio-frequence player device further include:
Storage card base, the storage card base are connect with the processing module, for placing storage card, are stored in the storage card
Third audio data.
5. audio-frequence player device according to claim 1-4, which is characterized in that the audio-frequence player device also wraps
It includes:
First USB stand, the first USB stand are connect with the processing module；The processing module passes through the first USB
Stand obtains the 4th audio data from External memory equipment.
6. audio-frequence player device according to claim 5, which is characterized in that the audio-frequence player device further include:
2nd USB stand, the 2nd USB stand are connect with the power module；The power module passes through the 2nd USB
Stand obtains charge power supply from external charging equipment.
7. audio-frequence player device according to claim 6, which is characterized in that the audio-frequence player device further includes lithium battery
With charging module；The lithium battery is connect with the charging module, and the charging module connects the 2nd USB stand and described
Power module；
The electric energy that the charging module is exported according to the lithium battery charges to the power module；Alternatively, the charging
Module obtains electric energy from the external charging equipment by the 2nd USB stand, and charges to the power module.
8. audio-frequence player device according to claim 1, which is characterized in that the audio-frequence player device further includes earphone base
Son and acoustic interface module, the earphone stand are connect with the audio decoder module and the acoustic interface module；When outer
When portion's stereo set accesses the acoustic interface module, the external audio equipment obtains digital sound from the acoustic interface module
Frequency carries out audio broadcasting accordingly；
When the non-grafting earphone of the earphone stand, the earphone stand counts first digital audio-frequency data or described second
Word audio data is sent to the acoustic interface module；When the earphone stand grafting earphone, the earphone stand will be described
First digital audio-frequency data or second digital audio-frequency data are sent to the earphone.
9. audio-frequence player device according to claim 1, which is characterized in that the audio-frequence player device further includes prompt mould
Block, the cue module are connect with the processing module and the power module, and the power module is the cue module
Operating voltage is provided, the cue module receives the control information that the processing module is exported according to the operation information, and
Corresponding luminous prompting is executed according to the control information.
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| CN201610017789.0A CN105702272B (en) | 2016-01-12 | 2016-01-12 | A kind of audio-frequence player device |
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| CN105702272B true CN105702272B (en) | 2019-03-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108346435B (en) * | 2017-01-23 | 2023-10-20 | 山东德润养老护理培训有限公司 | Voice simulation training system for pension nursing staff |
| CN112735486B (en) * | 2020-12-22 | 2022-07-15 | 重庆德科电子仪表有限公司 | Audio playing method based on a-law algorithm |
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| CN1825472A (en) * | 2006-03-27 | 2006-08-30 | 中国船舶重工集团公司第七一九研究所 | Audio-frequency playing terminal |
| CN202307131U (en) * | 2011-10-28 | 2012-07-04 | 惠州市德赛视听科技有限公司 | Household multimedia service equipment |
| CN103093791A (en) * | 2012-12-19 | 2013-05-08 | 四川长虹电器股份有限公司 | Network audio play system |
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| CN103248683A (en) * | 2013-04-28 | 2013-08-14 | 中国地质大学（武汉） | IOT cloud music speaker and audio data play method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030120844A1 (en) * | 2001-12-21 | 2003-06-26 | Hamel Gregory Roger | Digital music server and portable player |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1825472A (en) * | 2006-03-27 | 2006-08-30 | 中国船舶重工集团公司第七一九研究所 | Audio-frequency playing terminal |
| CN202307131U (en) * | 2011-10-28 | 2012-07-04 | 惠州市德赛视听科技有限公司 | Household multimedia service equipment |
| CN103093791A (en) * | 2012-12-19 | 2013-05-08 | 四川长虹电器股份有限公司 | Network audio play system |
| CN103096306A (en) * | 2012-12-26 | 2013-05-08 | 宋少鹏 | Audio playing method and system |
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