CN208479802U - Time code converter - Google Patents
Time code converter Download PDFInfo
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- CN208479802U CN208479802U CN201820801509.XU CN201820801509U CN208479802U CN 208479802 U CN208479802 U CN 208479802U CN 201820801509 U CN201820801509 U CN 201820801509U CN 208479802 U CN208479802 U CN 208479802U
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- time code
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Abstract
The utility model relates to timing code processing technology fields, specially time code converter, its key points of the technical solution are that including data processing module, signal receiving module and signal output module；The signal receiving module is for receiving and sending multi-media signal to data processing module；The data processing module carries out processing to multi-media signal and sends corresponding MIDI time code signal and LTC time code signal to signal output module；The multi-media signal of signal receiving module receiving front-end equipment output, and it is transmitted in data processing module and is converted, and be delivered to corresponding MIDI time code signal and LTC time code signal and benefit from equipment, adapt to different type equipment synchronization time code signal use demand, it is convenient and practical.
Description
Technical field
The utility model relates to timing code processing technology fields, more specifically, it relates to time code converter.
Background technique
The fields such as signal light control, sound equipment control, electronic musical instrument, video camera have to MIDI and LTC code signal synchronization time
Use demand, but the prior art can only realize the conversion of individual MIDI or individual LTC signal after use, cause actually to make
With when it is extremely inconvenient.
Utility model content
The purpose of the utility model is to provide time code converters, and the multi-media signal of input is converted to MIDI timing code
Signal and LTC time code signal are exported, convenient and practical.
The above-mentioned technical purpose of the utility model has the technical scheme that time code converter, packet
Include data processing module, signal receiving module and signal output module；The signal receiving module is for receiving and at data
It manages module and sends multi-media signal；The data processing module carries out processing to multi-media signal and sends to signal output module
Corresponding MIDI time code signal and LTC time code signal.
By using above-mentioned technical proposal, the multi-media signal of signal receiving module receiving front-end equipment output, and transmit
It is converted into data processing module, and is delivered to benefit from corresponding MIDI time code signal and LTC time code signal and set
It is standby, adapt to different type equipment synchronization time code signal use demand, it is convenient and practical.
Preferably, the signal receiving module includes USB interface, SD/HD signal input interface, midi signal input interface
With LTC signal input interface；Signal output module includes midi signal output interface and LTC signal output interface.
By using above-mentioned technical proposal, music signal from computer can be received through USB interface, through SD/HD signal
Input interface receives SD/HD signal from outputs such as video cameras, receives through midi signal input interface and comes from electronic musical instrument, lamp
The midi signal of the outputs such as light sound equipment and through LTC signal input interface receive the LTC from outputs such as electronic musical instrument, lighting sounds
Signal is input to data processing module and is converted, and includes midi signal output interface and LTC signal through signal output module
Output interface is exported respectively with MIDI time code signal and LTC time code signal, adapts to the demand of a variety of prime equipment.
Preferably, the SD/HD signal input interface, midi signal input interface and LTC signal input interface and data
Signal amplifier is respectively connected between processing module.
By using above-mentioned technical proposal, processing is amplified to received signal, improves precision.
Preferably, the data processing module is connected with the work display module for showing working frequency.
It is convenient and practical convenient for users to understanding the real-time working frequency of equipment by using above-mentioned technical proposal.
Preferably, the work display module include be connected to data processing module LED digital-scroll technique driving unit and
The LED digital display screen driven by LED digital-scroll technique driving unit.
By using above-mentioned technical proposal, the real-time working frequency of equipment is shown on LED digital display screen, side
Just intuitive.
Preferably, the data processing module is connected with operating mode switching key, and operating mode switching key includes work
Two selection key of one selection key of operation mode and operating mode, one selection key of operating mode input source for selection signal,
Two selection key of operating mode is used to select the frequency range of input signal.
By using above-mentioned technical proposal, selection signal inputs the frequency range in source and input signal, facilitate equipment into
The identification of row input signal.
Preferably, the data processing module is connected with operating mode indicating unit.
By using above-mentioned technical proposal, the type of current input signal is indicated, be easy to understand equipment working condition.
Preferably, the operating mode indicating unit includes the operating mode selection indicator light for being connected to data processing module
Driving unit and the operating mode driven by operating mode selection indicator light driving unit select status indicator lamp.
By using above-mentioned technical proposal, the type of current input signal is indicated in the form of indicator light, more intuitively
Understand equipment working condition.
Preferably, the SD/HD signal input interface connects data processing module through video synchronous separator.
By using above-mentioned technical proposal, video synchronous separator isolates the composite video signal in SD/HD signal
Vertical synchronizing signal and horizontal synchronizing signal, facilitate data processing module to be handled.
Preferably, the data processing module connects midi signal input interface through signal isolator.
By using above-mentioned technical proposal, signal isolator protects equipment, extends the service life of equipment.
In conclusion the utility model has the following beneficial effects:
1, the multi-media signal of headend equipment output is converted, and with corresponding MIDI time code signal and LTC time
Code signal, which is delivered to, benefits from equipment, adapt to different type equipment synchronization time code signal use demand；
2, work display module is convenient for users to the understanding real-time working frequency of equipment；
3, operating mode indicating unit indicates the type of current input signal, is easy to understand equipment working condition.
Detailed description of the invention
Fig. 1 is the functional block diagram of time code converter；
Fig. 2 is the connection schematic diagram of data processing module in time code converter；
Fig. 3 is that SD/HD signal input interface in time code converter, LTC signal input interface and midi signal output connect
The circuit connection diagram of mouth；
Fig. 4 is that the circuit of midi signal input interface, USB interface and LTC signal output interface in time code converter connects
Connect schematic diagram；
Fig. 5 is the circuit connection diagram of operating mode indicating unit in time code converter；
Fig. 6 is the circuit connection diagram of display module of working in time code converter.
In figure: 1, USB interface；2, SD/HD signal input interface；3, midi signal input interface；4, LTC signal input connects
Mouthful；5, single-chip microcontroller；6, LED digital-scroll technique driving unit；7, LED digital display screen；8, one selection key of operating mode；9, it works
Two selection key of mode；10, operating mode one selects LED indication driving unit；11, operating mode two selects LED indication driving
Unit；12, operating mode one selects state LED light；13, operating mode two selects state LED light；14, video is same
Walk separator；15, midi signal output interface；16, LTC signal output interface.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Following specific embodiments are only the explanation to the utility model, are not limitations of the present invention, this
Field technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification,
But as long as all by the protection of Patent Law in the scope of the claims of following utility model.
Time code converter, as shown in Figure 1, including data processing module, data processing module is connected with usb 1,
Usb 1 is that time code converter powers and transmits the music signal from computer, data processing mould to data processing module
Block is connected with SD/HD signal input interface 2, midi signal input interface 3, LTC signal input interface 4, midi signal and exports and connect
15 and LTC of mouth signal output interface 16.SD/HD signal input interface 2, midi signal input interface 3, LTC signal input interface 4
Signal amplifier, 15 He of midi signal output interface are respectively connected between LTC signal output interface 16 and data processing module
Signal isolator is connected between data processing module.Data processing module by the music signal received, SD/HD signal,
Midi signal and LTC signal are converted to MIDI time code signal and LTC time code signal and respectively through midi signal output interfaces
15 and LTC signal output interface 16 is exported.
Data processing module is connected with operating mode switching key, and operating mode switching key includes that operating mode one selects
Two selection key 9 of key 8 and operating mode, one selection key 8 of operating mode input source, operating mode two for selection signal
Selection key 9 is used to select the frequency range of input signal.
Data processing module is connected with the operating mode indicating unit for being used to indicate time code converter current operation mode,
Operating mode indicating unit includes being connected to the operating mode selection indicator light driving unit of data processing module and by Working mould
Formula selects the operating mode of indicator light driving unit driving to select status indicator lamp, and operating mode selects indicator light driving unit packet
Including operating mode one selects LED indication driving unit 10 and operating mode two to select LED indication driving unit 11, operating mode choosing
Selecting status indicator lamp includes that operating mode one selects state LED light 12 and operating mode two to select state LED light 13.
Data processing module is connected with the work display module for showing working frequency, and work display module includes connection
LED digital-scroll technique driving unit 6 in data processing module and the LED digital-scroll technique by the driving of LED digital-scroll technique driving unit 6
Screen 7.
As shown in Figures 2 and 3, in the present embodiment, data processing module uses the single-chip microcontroller 5 of model C8051F346,
Single-chip microcontroller 5 is connected with the outer data storage 24AA01 of piece.
SD/HD signal input interface 2 is connected with the video synchronous separator 14 of model ISL59885ISZ, SD/HD signal
Input interface 2 is connect with the composite video input terminal of video synchronous separator 14, and video synchronous separator 14 is connected with model
The four side XOR gates of 74AC86, the vertical synchronization output end of the 5 pins connection video synchronous separator 14 of four side XOR gates, four sides
4 pins of XOR gate are grounded, the end P1-4 of the 6 pins connection single-chip microcontroller 5 of four side XOR gates, the 9 pins connection of four side XOR gates
The horizontal synchronization output end of video synchronous separator 14, the 10 pins ground connection of four side XOR gates, the 8 pins connection of four side XOR gates
The end P0-7 of single-chip microcontroller 5, video synchronous separator 14 are same by the vertical synchronizing signal and level isolated from composite video signal
Step signal amplifies and is transmitted to single-chip microcontroller 5 through four side XOR gates and is handled, and single-chip microcontroller 5 is by vertical synchronizing signal and horizontal synchronization
Signal is converted to corresponding code signal MIDI synchronization time and LTC code signal synchronization time.
LTC signal input interface 4 is connected to the 2 of four side XOR gates after the amplification of the operational amplifier of model LM358 and draws
Enlarged LTC is believed at foot, the 1 pin ground connection of four side XOR gates, the end P1-2 of the 3 pins connection single-chip microcontroller 5 of four side XOR gates
Number being transmitted to single-chip microcontroller 5 is handled.
The end P0-4 of single-chip microcontroller 5 is connected to 12 pins of four side XOR gates, and 13 pins of four side XOR gates are grounded, and four sides are different
Or 11 pins of door are connected to midi signal output interface 15, the MIDI code signal synchronization time warp of the end single-chip microcontroller 5P0-4 output
Four side XOR gates are delivered to midi signal output interface 15, provide MIDI code signal synchronization time to benefit from equipment.
As shown in Figure 2 and Figure 4, photoelectrical coupler, that is, signal isolator of the midi signal input interface 3 through model 6N137
It is connected to the end P0-5 of single-chip microcontroller 5, photoelectrical coupler protect and amplify midi signal to equipment.
Usb 1 provides 5V power supply for equipment, and the voltage-stablizer through model LM1086-3.3 provides 3.3V's to equipment
Power supply.
The data port D+ and D- of usb 1 is connected to single-chip microcontroller through the electrostatic protector of model NUF2030XV6T1G
5 end D+ and the end D-, electrostatic protector carry out electrostatic protection to equipment, and single-chip microcontroller 5 receives the music signal from usb 1
And be converted to corresponding code signal MIDI synchronization time and LTC code signal synchronization time.
The end P1-3 of single-chip microcontroller 5 exports code signal LTC synchronization time and after the amplification of the operational amplifier of model LM358
It is connected to LTC signal output interface 16, provides LTC code signal synchronization time to benefit from equipment.
As shown in Figure 2 and Figure 5, the end P2-0 and the end P2-1 of single-chip microcontroller 5 are grounded through touch-switch J1 and J2 respectively, wherein gently
Touching switch J1 is one selection key 8 of operating mode, and touch-switch J2 is two selection key 9 of operating mode, and touch-switch J1 is used for
Selection signal inputs source, and touch-switch J2 is used to select the frequency range of input signal.
Operating mode one selects LED indication driving unit 10 and the selection LED indication driving unit 11 of operating mode two is
The bit shift register of model 74HC595D selects state LED light 12 and operating mode two to select operating mode one respectively
It selects state LED light 13 to be driven, operating mode one selects 9 pins of LED indication driving unit 10 to be connected to Working mould
Formula two selects 14 pins of LED indication driving unit 11, and the 11-13 pin of two bit shift registers is separately connected single-chip microcontroller 5
The end P2-2, P2-4, P2-5, operating mode one select the end P2-3 of the 14 pins connection single-chip microcontroller 5 of LED indication driving unit 10.
In conjunction with Fig. 2 and Fig. 6, LED digital-scroll technique driving unit 6 is the LED drive chip of model MAX7221CWG, LED
Digital display screen 7 is made of the charactron of 4 model KYX-5261AS/BS, and is driven by LED drive chip.
Specifically used process: being connected to computer for usb 1 or provide power supply using 5V300mA adapter, utilizes
One selection key of operating mode, 8 selection signal inputs source, and two selection key 9 of operating mode selects the frequency model of input signal
It encloses.
When selecting the input of LTC signal, the equipment of the output LTC signal such as electronic musical instrument, lighting sound is accessed into LTC signal
Input interface 4, LTC signal is amplified to be transmitted to single-chip microcontroller 5 to be converted to corresponding code signal LTC synchronization time synchronous with MIDI
Time code signal, and from corresponding LTC signal output interface 16 and the output of midi signal output interface 15 to benefiting from equipment.
When selecting midi signal input, the equipment of the output midi signal such as electronic musical instrument, lighting sound is accessed into MIDI
Signal input interface 3, midi signal is amplified be transmitted to single-chip microcontroller 5 be converted to corresponding code signal LTC synchronization time and
MIDI code signal synchronization time, and from corresponding LTC signal output interface 16 and the output of midi signal output interface 15 to benefiting from
Equipment.
When selecting the input of SD/HD signal, by the equipment access SD/HD signal input of the output SD/HD signal such as video camera
Interface 2, the amplified single-chip microcontroller 5 that is transmitted to of SD/HD are converted to corresponding code signal LTC synchronization time and MIDI code synchronization time
Signal, and from corresponding LTC signal output interface 16 and the output of midi signal output interface 15 to benefiting from equipment.
When selecting the music signal input of usb 1, single-chip microcontroller 5 receives the music signal from computer and conversion
For corresponding code signal MIDI synchronization time and LTC code signal synchronization time, and from corresponding 16 He of LTC signal output interface
The output of midi signal output interface 15 is to benefiting from equipment.
While exporting code signal MIDI synchronization time and LTC code signal synchronization time, LED digital display screen 7 is shown
Current working frequency.
Claims (10)
1. time code converter, it is characterized in that: including data processing module, signal receiving module and signal output module；It is described
Signal receiving module is for receiving and sending multi-media signal to data processing module；The data processing module believes multimedia
It number carries out processing and sends corresponding MIDI time code signal and LTC time code signal to signal output module.
2. time code converter according to claim 1, it is characterized in that: the signal receiving module includes USB interface
(1), SD/HD signal input interface (2), midi signal input interface (3) and LTC signal input interface (4)；Signal output module
Including midi signal output interface (15) and LTC signal output interface (16).
3. time code converter according to claim 2, it is characterized in that: the SD/HD signal input interface (2), MIDI
Signal amplifier is respectively connected between signal input interface (3) and LTC signal input interface (4) and data processing module.
4. time code converter according to claim 1, it is characterized in that: the data processing module is connected with for showing
The work display module of working frequency.
5. time code converter according to claim 4, it is characterized in that: the work display module includes being connected to data
The LED digital-scroll technique driving unit (6) of processing module and the LED digital display screen driven by LED digital-scroll technique driving unit (6)
(7)。
6. time code converter according to claim 1, it is characterized in that: the data processing module is connected with operating mode
Switching key, operating mode switching key include one selection key of operating mode (8) and two selection key of operating mode (9), work
One selection key of operation mode (8) inputs source for selection signal, and two selection key of operating mode (9) is for selecting input signal
Frequency range.
7. time code converter according to claim 6, it is characterized in that: the data processing module is connected with operating mode
Indicating unit.
8. time code converter according to claim 7, it is characterized in that: the operating mode indicating unit includes being connected to
The operating mode of data processing module selects indicator light driving unit and by operating mode selection indicator light driving unit driving
Operating mode selects status indicator lamp.
9. time code converter according to claim 2, it is characterized in that: the SD/HD signal input interface (2) is through video
Sync separator (14) connects data processing module.
10. time code converter according to claim 1, it is characterized in that: the data processing module is through signal isolator
It connects midi signal input interface (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801509.XU CN208479802U (en) | 2018-05-25 | 2018-05-25 | Time code converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801509.XU CN208479802U (en) | 2018-05-25 | 2018-05-25 | Time code converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208479802U true CN208479802U (en) | 2019-02-05 |
Family
ID=65218911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820801509.XU Expired - Fee Related CN208479802U (en) | 2018-05-25 | 2018-05-25 | Time code converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208479802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449561A (en) * | 2018-05-25 | 2018-08-24 | 广州市昇蓝演艺设备有限公司 | Time code converter |
-
2018
- 2018-05-25 CN CN201820801509.XU patent/CN208479802U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449561A (en) * | 2018-05-25 | 2018-08-24 | 广州市昇蓝演艺设备有限公司 | Time code converter |
| CN108449561B (en) * | 2018-05-25 | 2023-10-10 | 广州市昇蓝演艺设备有限公司 | Time code converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |