CN207968882U - A kind of vehicle termination equipment multi-path voice coupling switching device - Google Patents
A kind of vehicle termination equipment multi-path voice coupling switching device Download PDFInfo
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- CN207968882U CN207968882U CN201820232712.XU CN201820232712U CN207968882U CN 207968882 U CN207968882 U CN 207968882U CN 201820232712 U CN201820232712 U CN 201820232712U CN 207968882 U CN207968882 U CN 207968882U
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Abstract
The utility model discloses a kind of vehicle termination equipment multi-path voices to couple switching device, by the video sound accompaniment of input, terminal call out the stops voice, terminal the machine suggestion voice audio signal via software mixer audio mixing after, video sound accompaniment, terminal call out the stops voice be respectively coupled on the left and right acoustic channels of HDMI signals and by HDMI controllers be output to playing audio/video play, terminal the machine suggestion voice is exported by other two sound channel, it is exported to the machine power amplifier via sound card equipment, realizes the voice distribution in vehicle termination equipment.When one of video sound accompaniment or terminal call out the stops speech play, other audio signals are controlled by the coupling of control software mixer 1 and HDMI and reduces volumes or stops coupling, after restore to the original state again state, complete coupling switching control.The program, which realizes an equipment, has the function of while playing multiple voice, solves the problems, such as that terminal the machine plays different phonetic with sound system in a vehicle and influences each other simultaneously, and can control sound system in a vehicle and play the different voice of multichannel.
Description
Technical field
The utility model is related to multi-path voice play-back technology field, a kind of vehicle termination equipment multi-path voice coupling switching dress
It sets.
Background technology
Currently, device category is various in city public vehicles, each equipment purposes is relatively simple, such as GPS automatic speech reportings
It stands, IC card charge equipment, mobile media system etc., these equipment are directed to audio playing function, but since these equipment are phases
Mutually it is independently operated, each play system also and is all that phase family is independent, therefore the repetition of in-vehicle device is caused to purchase increase cost, and
So that the mounting, commissioning and maintenance of equipment becomes more and more difficult.
With the raising of the intelligence degree of vehicle termination equipment, variation that the integrated levels of functions of the equipments will also have matter.Vehicle
Carry that smart machine calls out the stops GPS automatic speech, IC card charge, the functions such as mobile media are integrated in one, but in audio broadcasting
Aspect, vehicle termination equipment is faced with and how to solve terminal the machine speech play in an equipment, advertisement video sound accompaniment plays
The problem of audio signal distribution and switching of speech play are automatically reported the bus stop with GPS.
Utility model content
According to problem of the existing technology, the utility model discloses a kind of couplings of vehicle termination equipment multi-path voice to cut
Changing device, concrete scheme include：It is provided with the software mixer of six road input sound channels and four road output channels, the software audio mixing
The input terminal of device is connected with vehicle termination equipment advertising unit by input sound channel unit, vehicle termination equipment GPS calls out the stops unit
It is connected with HDMI controllers and sound card equipment with the output end of vehicle termination equipment voice playing unit, the software mixer
It connects, the output end of the HDMI controllers is connected with HDMI interface circuit, which couples switching device and be arranged at end
In end equipment shell.
The input sound channel unit include video sound accompaniment L channel, video sound accompaniment right channel, terminal call out the stops voice L channel,
Terminal is called out the stops voice right channel, the machine suggestion voice L channel and the machine suggestion voice right channel, and the vehicle termination equipment is wide
It accuses unit by video sound accompaniment L channel and video sound accompaniment right channel to be connected with software mixer, the vehicle termination equipment
GPS units of calling out the stops by terminal call out the stops voice L channel and terminal voice right channel of calling out the stops is connected with software mixer, described
Vehicle termination equipment voice playing unit passes through the machine suggestion voice L channel and the machine suggestion voice right channel and software audio mixing
Device is connected.
The output end of the HDMI controllers passes through HDMI interface circuit and HDMI/VGA converters, HDMI/AV converters
It is connected with HDMI in-car TVs, the output end of the HDMI/VGA converters is connected with VGA displays, the HDMI/AV
The output end of converter is connected with AV in-car TVs, the HDMI/VGA converters, HDMI/AV converters and HDMI vehicle mounted electrics
Depending on output end be connected with vehicle audio power amplification device by hardware mixer.
By adopting the above-described technical solution, a kind of vehicle termination equipment multi-path voice coupling provided by the utility model is cut
Changing device, the coupling that the present apparatus realizes a trolley terminal device different function speech play by simple structure switch,
So that an equipment has the function of while playing multiple voice, solves terminal the machine and played simultaneously not with sound system in a vehicle
The problem of influencing each other with voice, and sound system in a vehicle can be controlled and play the different voice of multichannel, meet smart machine
Developing direction, suitable for being widely popularized.It since its is simple in structure, is not only convenient for producing, and cost is very cheap suitable for pushing away extensively
Extensively.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram that the utility model vehicle termination equipment multi-path voice couples switching device；
Fig. 2 is the structural schematic diagram that the utility model vehicle termination equipment multi-path voice couples switching device；
Fig. 3 is the structural schematic diagram that the utility model vehicle termination equipment multi-path voice couples switching device.
Specific implementation mode
To keep the technical solution of the utility model and advantage clearer, with reference to attached in the utility model embodiment
Figure, clearly completely describes the technical scheme in the embodiment of the utility model：
A kind of vehicle termination equipment multi-path voice as shown in FIG. 1 to FIG. 3 couples switching device, is in vehicle termination equipment
Inside generates the different voice of multichannel, including the sound accompaniment of video ads, terminal are called out the stops voice, terminal the machine suggestion voice.Pass through
The software mixer 1 of terminal inner, HDMI controller equiments 5, etc. equipment work in coordination realize vehicle termination equipment the machine with
Sound system in a vehicle plays different voices simultaneously, and can control sound system in a vehicle and play the different voice of multichannel, specifically
Scheme includes software mixer 1, and the input terminal of software mixer 1 is connected with vehicle termination equipment advertisement by input sound channel unit
Unit 9, vehicle termination equipment GPS call out the stops unit 11 and vehicle termination equipment voice playing unit 12.The output of software mixer 1
End is connected with HDMI controllers 5 and sound card equipment 13.The output end of the HDMI controllers 5 is connected with HDMI interface circuit 15
It connects, which couples switching device and be arranged in terminal device shell 16.The device is arranged in terminal device shell 16
It is interior, ensure that the device device will not be damaged.
Wherein input sound channel unit includes that video sound accompaniment L channel 1-1, video sound accompaniment right channel 1-2, terminal are called out the stops voice
L channel 2-1, terminal are called out the stops voice right channel 2-2, the machine suggestion voice L channel 3-1 and the machine suggestion voice right channel 3-2.
Vehicle termination equipment advertising unit 9 passes through video sound accompaniment L channel 1-1 and video sound accompaniment right channel 1-2 and 1 phase of software mixer
Connection.Vehicle termination equipment GPS units 11 of calling out the stops by terminal call out the stops voice L channel 2-1 and terminal is called out the stops voice right channel 2-
2 are connected with software mixer 1.Vehicle termination equipment voice playing unit 12 passes through the machine suggestion voice L channel 3-1 and this
Machine suggestion voice right channel 3-2 is connected with software mixer 1.
Wherein, two sound channels are merged into a sound channel when video audio channels play and enter software mixer 1, through software audio mixing
After channel L channel input 100 and channel right channel are inputted 101 audio mixings by device 1, then from output channels 4-1 exports and be coupled to
On the L channel of HDMI controllers 5.Terminal calls out the stops voice L channel 2-1 and terminal is called out the stops, and that voice right channel 2-2 enters software is mixed
Channel L channel input 100 and channel right channel are inputted 101 audio mixings by sound device 1 through software mixer 1, after audio mixing, then from second
Output channels 4-2 is exported and is coupled on the right channel of HDMI controllers 5.Through two-way sound channel the machine suggestion voice L channel 3-1
Enter software mixer 1 with the machine suggestion voice right channel 3-2, again from third output channels 4-3 and the 4th output sound after audio mixing
Road 4-4 is exported to sound card equipment 13.It is played again by local power amplifier；HDMI controllers 5 export audio-video signal and are connected to vehicle
On interior audio-video frequency playing system；The video sound accompaniment of HDMI signals or terminal are called out the stops the carrying of voice and terminal the machine when system works
Show that voice can play, be independent of each other simultaneously, completes the independent play-out of the machine voice and HDMI voices.The device is playing video
Intercutted in sound accompaniment terminal call out the stops voice or other prompt tones when, control corresponding output channels audio signal stop coupling or
Reduce volume, at the same control corresponding terminal call out the stops voice or other prompt tone sound channels audio signal coupling or increase sound
Amount；Conversely, control terminal is called out the stops, the audio signal of voice or suggestion voice sound channel stops coupling or reduces volume, and controls video
The audio signal of audio channels couples or increases volume, to realize the switching of advertising pronunciation and voice of calling out the stops.
Further, the output end of HDMI controllers 5 passes through HDMI interface circuit 15 and HDMI/VGA converters 8, HDMI/
AV converters 7 are connected with HDMI in-car TVs 6.The output end of HDMI/VGA converters 8 is connected with VGA displays 18,
The output end of HDMI/AV converters 7 is connected with AV in-car TVs 17, HDMI/VGA converters 8,7 and of HDMI/AV converters
The output end of HDMI in-car TVs 6 is connected by hardware mixer 20 with vehicle audio power amplification device 21.
Under working condition：The audio-video signal that HDMI controllers 5 export is connected on the audio-video frequency playing system in vehicle,
HDMI controllers 5 can be exported to vision signal and be connected to the in-car TV of HDMI interface, audio signal through hardware mixer extremely
The audio-video signal that vehicle audio power amplification system or HDMI controllers 5 export is connected to HDMI/AV converters 7, by vision signal
It send to the AV in-car TVs 17 of AV interfaces, audio signal is controlled through hardware mixer to vehicle audio power amplification system or HDMI
The audio-video signal that device 5 exports is connected to HDMI/VGA converters 8, and VGA signals are sent to VGA displays 18, audio signal warp
Hardware mixer is to vehicle audio power amplifier.
Further, the primary processor of vehicle termination equipment advertising unit 9 is the S5PV21 of ARM CortexTM-A8 kernels
Chip.Vehicle termination equipment GPS calls out the stops unit 11 based on Ulox GPS modules Neo-6.In 5 embedded processor of HDMI controllers,
Sound card equipment 13 uses Wolfson WM8960 chips.HDMI equipment is the display that vehicle play system supports HDMI interface,
Or by HDMI/VGA, HDMI/AV converters change into the display equipment for supporting other interfaces.
Embodiment：When playback terminal advertisement video, the left and right sound channels of sound accompaniment output need after merging from software mixer
1 video sound accompaniment L channel 1-1 enters, and video sound accompaniment right channel 1-2 keeps mute, inputs channel L channel through software mixer
100 and channel right channel input 101 audio mixings after export and be coupled on the L channel of HDMI controllers 5 from output channels 4-1 again.
Terminal voice of calling out the stops is entered from the terminal of software mixer 1 the call out the stops voice right channel 2-2 of voice L channel 2-1, terminal that calls out the stops,
Wherein call out the stops voice L channel 2-1 of terminal keeps mute, through software mixer 1 by channel L channel input 100 and the right sound in channel
Road exports again from the second output channels 4-2 after inputting 101 audio mixings and is coupled on the right channel of HDMI controllers 5.HDMI is controlled
5 output signal of device is connected to the high definition in-car TV of HDMI interface, then exports binaural audio signal through hardware by in-car TV
Mixer to vehicle audio power amplification system broadcasts.If being provided that the in-car TV of AV input interfaces in vehicle, HDMI controls
The audio-video signal that device 5 exports need to be converted through HDMI/AV converters 7, and the vision signal of converter output is sent into AV input interfaces
In-car TV, converter output binaural audio signal through hardware mixer to vehicle audio power amplification system broadcast.If
It is provided that VGA displays 18, the audio-video signal that HDMI controllers 5 export need to be converted through HDMI/VGA converters 7 in vehicle
At VGA signals, the vision signal of converter output is sent into VGA displays 18, and the binaural audio signal of converter output is through hard
Part mixer to vehicle audio power amplification system broadcasts.
A kind of vehicle termination equipment multi-path voice disclosed by the utility model couples switching device, by the video companion of input
Sound, terminal call out the stops voice, terminal the machine suggestion voice audio signal via 1 audio mixing of software mixer after, video sound accompaniment, terminal
Voice of calling out the stops is respectively coupled on the left and right acoustic channels of HDMI signals and is output to playing audio/video by HDMI controllers 5 to broadcast
It puts, terminal the machine suggestion voice is exported by other two sound channel, is exported to the machine power amplifier via sound card equipment, is realized at vehicle end
Voice distribution in end equipment.When one of video sound accompaniment or terminal call out the stops speech play, pass through control software mixer 1
And the coupling of HDMI controls other audio signals and reduces volumes or stop coupling, after restore to the original state again state, complete coupling and cut
Change control.The program, which realizes an equipment, has the function of while playing multiple voice, solves terminal the machine and interior sound
Acoustic system plays the problem of different phonetic influences each other simultaneously, and can control sound system in a vehicle and play the different language of multichannel
Sound.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (2)
1. a kind of vehicle termination equipment multi-path voice couples switching device, it is characterised in that including：It is provided with six road input sound channels
It is connected with by input sound channel unit with the input terminal of the software mixer (1) of four road output channels, the software mixer (1)
Vehicle termination equipment advertising unit (9), vehicle termination equipment GPS call out the stops unit (11) and vehicle termination equipment voice playing unit
(12), the output end of the software mixer (1) is connected with HDMI controllers (5) and sound card equipment (13), the HDMI controls
The output end of device (5) processed is connected with HDMI interface circuit (15), which couples switching device and be arranged in terminal device
In shell (16)；
The input sound channel unit includes that video sound accompaniment L channel (1-1), video sound accompaniment right channel (1-2), terminal are called out the stops voice
L channel (2-1), terminal are called out the stops voice right channel (2-2), the machine suggestion voice L channel (3-1) and the right sound of the machine suggestion voice
Road (3-2), the vehicle termination equipment advertising unit (9) pass through video sound accompaniment L channel (1-1) and video sound accompaniment right channel (1-
2) it is connected with software mixer (1), vehicle termination equipment GPS units (11) of calling out the stops are called out the stops voice L channel by terminal
(2-1) and terminal voice right channel (2-2) of calling out the stops are connected with software mixer (1), the vehicle termination equipment speech play
Unit (12) passes through the machine suggestion voice L channel (3-1) and the machine suggestion voice right channel (3-2) and software mixer (1) phase
Connection.
2. a kind of vehicle termination equipment multi-path voice according to claim 1 couples switching device, it is further characterized in that：Institute
The output end for stating HDMI controllers (5) passes through HDMI interface circuit (15) and HDMI/VGA converters (8), HDMI/AV converters
(7) it is connected with HDMI in-car TVs (6), the output end of the HDMI/VGA converters (8) is connected with VGA displays (18)
It connecing, the output end of the HDMI/AV converters (7) is connected with AV in-car TVs (17), the HDMI/VGA converters (8),
The output end of HDMI/AV converters (7) and HDMI in-car TVs (6) passes through hardware mixer (20) and vehicle audio power amplification device
(21) it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232712.XU CN207968882U (en) | 2018-02-09 | 2018-02-09 | A kind of vehicle termination equipment multi-path voice coupling switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232712.XU CN207968882U (en) | 2018-02-09 | 2018-02-09 | A kind of vehicle termination equipment multi-path voice coupling switching device |
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| Publication Number | Publication Date |
|---|---|
| CN207968882U true CN207968882U (en) | 2018-10-12 |
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| CN201820232712.XU Active CN207968882U (en) | 2018-02-09 | 2018-02-09 | A kind of vehicle termination equipment multi-path voice coupling switching device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752199A (en) * | 2019-10-31 | 2021-05-04 | 通号通信信息集团上海有限公司 | Sound card left and right sound channel independent control device and method based on ALSA framework |
| CN113115172A (en) * | 2021-03-10 | 2021-07-13 | 湖北亿咖通科技有限公司 | Method and system for optimizing diversified audio scenes of whole vehicle |
-
2018
- 2018-02-09 CN CN201820232712.XU patent/CN207968882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752199A (en) * | 2019-10-31 | 2021-05-04 | 通号通信信息集团上海有限公司 | Sound card left and right sound channel independent control device and method based on ALSA framework |
| CN113115172A (en) * | 2021-03-10 | 2021-07-13 | 湖北亿咖通科技有限公司 | Method and system for optimizing diversified audio scenes of whole vehicle |
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