CN207720397U - The signal output module and portable player of player - Google Patents
The signal output module and portable player of player Download PDFInfo
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- CN207720397U CN207720397U CN201820091419.6U CN201820091419U CN207720397U CN 207720397 U CN207720397 U CN 207720397U CN 201820091419 U CN201820091419 U CN 201820091419U CN 207720397 U CN207720397 U CN 207720397U
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- signal
- digital audio
- player
- video signals
- output module
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Abstract
The utility model discloses a kind of signal output module of player and portable players.The signal output module of player includes：Signal processor, for receiving and exporting the digital audio and video signals by shaping；Signal Matching circuit, connect with signal processor, for requiring to handle the digital audio and video signals received according to preset signal level and impedance operator；USB female seat is connect by signal converting line with Signal Matching circuit, for the treated digital audio and video signals received to be sent to external digital audio frequency apparatus.The technical issues of connector interface volume that the utility model solves player and external digital audio frequency apparatus is big, and caused portable player can not transmit digital audio and video signals to external digital audio-frequency apparatus.
Description
Technical field
This Practical electronic field, in particular to the signal output module and portable player of a kind of player.
Background technology
Consumer level digital audio-frequency apparatus is when transmitting digital audio and video signals, two kinds of sides of generally use coaxial cable or optical fiber
Formula.Coaxial cable transmission is that serial digital audio signal is sent to the digital defeated of external digital audio frequency apparatus in a manner of electric signal
Incoming interface, coaxial interface include two kinds of connector interfaces of RCA and BNC.Optical fiber transmission is inside machine by fibre optical transmission head
Digital audio electric signal is changed into optical signal, and is sent to the fiber optic receiver of external digital audio frequency apparatus, optical fiber by optical cable
Optical signal is transformed into electric signal again and goes to be further processed by reception head.RCA or bnc interface either in coaxial interface, also
It is the light emitting or reception head in optical fiber interface, volume is all larger, is difficult to put on portable player, thus causes
The output function of digital audio and video signals cannot achieve on portable player.
The problem of can not transmitting digital audio and video signals to external digital audio-frequency apparatus for above-mentioned portable player, at present
Not yet propose effective solution scheme.
Utility model content
The utility model embodiment provides a kind of signal output module and portable player of player, at least to solve
Certainly the connector interface volume of player and external digital audio frequency apparatus is big, and caused portable player can not be to external digital
Audio frequency apparatus transmits the problem of digital audio and video signals.
According to the one side of the utility model embodiment, a kind of signal output module of player is provided, including：Letter
Number processor, for receiving and exporting the digital audio and video signals by shaping；Signal Matching circuit, with the signal processor
Connection, for requiring to handle the digital audio and video signals received according to preset signal level and impedance operator；
USB female seat is connect by signal converting line with the Signal Matching circuit, the number by the processing for that will receive
Audio signal is sent to external digital audio frequency apparatus.
Further, the signal processor is FPGA signal processors.
Further, the USB female seat is TYPE-C type female seats, and the signal converting line connects the A8 of the USB female seat
With B8 pins.
Further, the Signal Matching circuit includes the first capacitance, first resistor and second resistance, first capacitance
First end connect with the first end of the first resistor, the first end of the second end of the first resistor and the second resistance
Connection, the second end of the second resistance are connected to ground.
Further, the digital audio and video signals are S/PDIF signals.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of portable player, including above-described embodiment
In any one player signal output module.
In the utility model embodiment, the signal output module of player includes：Signal processor is used to receive and defeated
Go out the digital audio and video signals by shaping；Signal Matching circuit, connect with signal processor, for according to preset signal level
And impedance operator requires to handle the digital audio and video signals received；USB female seat passes through signal converting line and Signal Matching
Circuit connects, the mode for the treated digital audio and video signals received to be sent to external digital audio frequency apparatus, leads to
It crosses the included USB female seat of player and carries out signal output, solve the connector interface of player and external digital audio frequency apparatus
The technical issues of volume is big, and caused portable player can not transmit digital audio and video signals to external digital audio-frequency apparatus.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the schematic diagram according to a kind of signal output module of optional player of the utility model embodiment；
Fig. 2 is the signal output of the player under a kind of optional concrete application scene according to the utility model embodiment
The schematic diagram of module.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
According to the one side of the utility model embodiment, a kind of signal output module of player is provided, Fig. 1 is root
According to a kind of schematic diagram of the signal output module of optional player of the utility model embodiment.As shown in Figure 1, the player
Signal output module include：
Signal processor 10, for receiving and exporting the digital audio and video signals by shaping.
Signal Matching circuit 12 is connect with signal processor 10, for being wanted according to preset signal level and impedance operator
The digital audio and video signals to receiving are asked to handle.
USB female seat 14 is connect by signal converting line with Signal Matching circuit 12, for treated by what is received
Digital audio and video signals are sent to external digital audio frequency apparatus.
In embodiments of the present invention, by above-mentioned signal processor 10, for receiving and exporting the number by shaping
Audio signal；Signal Matching circuit 12 is connect with signal processor 10, for being wanted according to preset signal level and impedance operator
The digital audio and video signals to receiving are asked to handle；USB female seat 14 is connected by signal converting line and Signal Matching circuit 12
It connects, the mode for the treated digital audio and video signals received to be sent to external digital audio frequency apparatus passes through broadcasting
The included USB female seat of device carries out signal output, and the connector interface volume for solving player and external digital audio frequency apparatus is big,
The technical issues of caused portable player can not transmit digital audio and video signals to external digital audio-frequency apparatus.
Optionally, signal processor is FPGA signal processors.
Optionally, USB female seat is TYPE-C type female seats, and signal converting line connects A8 and the B8 pin of USB female seat.
Specifically, USB Type-C female seats pin functionality definition can be as shown in the table：
| Stitch is numbered | B12 | B11 | B10 | B9 | B8 | B7 | B6 | B5 | B4 | B3 | B2 | B1 |
| Function defines | GND | RX2+ | RX2‐ | VBUS | S/PDIF | D‐ | D+ | CC1 | VBUS | TX1‐ | TX1+ | GND |
| Function defines | GND | TX2+ | TX2‐ | VBUS | CC2 | D+ | D‐ | S/PDIF | VBUS | RX1‐ | RX1+ | GND |
| Stitch is numbered | A1 | A2 | A3 | A4 | A5 | A6 | A7 | A8 | A9 | A10 | A11 | A12 |
Optionally, digital audio and video signals are S/PDIF signals.
Optionally, Signal Matching circuit include the first capacitance, first resistor and second resistance, the first end of the first capacitance with
The first end of first resistor connects, and the second end of first resistor and the first end of second resistance connect, the second end of second resistance
It is connected to ground.
Fig. 2 is the signal output of the player under a kind of optional concrete application scene according to the utility model embodiment
The schematic diagram of module, as shown in Fig. 2, player, when playing music, FPGA signal processors can receive master cpu (SoC)
The digital audio and video signals sent out, FPGA signal processors carry out signal processing and export the S/PDIF number sounds by signal shaping
Frequency signal makes signal have enough driving capability and waveform quality.Signal is transported to by the first electricity by FPGA signal processors
Hold the Signal Matching circuit of C1, first resistor R1 and second resistance R2 compositions, Signal Matching circuit letter in reply number is handled, and letter is made
Number level and impedance operator are met the requirements of the standard, and are exported through the processed S/PDIF digital audio and video signals met the requirements of the standard
A8 the and B8 stitch of A, B two rows of the USB TYPE-C type female seats carried to player, may be implemented the plug of signal converting line
The exportable S/PDIF digital audio and video signals of USB TYPE-C types female seat of player are inserted into positive and negative either direction, for other numbers
Word audio frequency apparatus decoding process.
According to the other side of the utility model embodiment, a kind of portable player, including above-mentioned implementation are provided
The signal output module of any one player in example.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of signal output module of player, which is characterized in that including：
Signal processor, for receiving and exporting the digital audio and video signals by shaping；
Signal Matching circuit is connect with the signal processor, for according to preset signal level and impedance operator requirement pair
The digital audio and video signals received are handled；
USB female seat connect by signal converting line with the Signal Matching circuit, for that will receive by the processing
Digital audio and video signals are sent to external digital audio frequency apparatus.
2. the signal output module of player according to claim 1, which is characterized in that the signal processor is FPGA
Signal processor.
3. the signal output module of player according to claim 1, which is characterized in that the USB female seat is TYPE-C
Type female seat, the signal converting line connect A8 and the B8 pin of the USB female seat.
4. the signal output module of player according to claim 1, which is characterized in that the Signal Matching circuit includes
The first end of first capacitance, first resistor and second resistance, first capacitance is connect with the first end of the first resistor, institute
The second end for stating first resistor is connect with the first end of the second resistance, and the second end of the second resistance is connected to ground.
5. the signal output module of player according to claim 1, which is characterized in that the digital audio and video signals are S/
PDIF signals.
6. a kind of portable player, which is characterized in that the portable player includes any one of claim 1 to 5 institute
The signal output module for the player stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091419.6U CN207720397U (en) | 2018-01-19 | 2018-01-19 | The signal output module and portable player of player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091419.6U CN207720397U (en) | 2018-01-19 | 2018-01-19 | The signal output module and portable player of player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207720397U true CN207720397U (en) | 2018-08-10 |
Family
ID=63052688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820091419.6U Active CN207720397U (en) | 2018-01-19 | 2018-01-19 | The signal output module and portable player of player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207720397U (en) |
-
2018
- 2018-01-19 CN CN201820091419.6U patent/CN207720397U/en active Active
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