CN103533407A - Audio/video access device, automobile entertainment system and implementation method of automobile entertainment system - Google Patents
Audio/video access device, automobile entertainment system and implementation method of automobile entertainment system Download PDFInfo
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Abstract
The invention discloses an audio/video access device, an automobile entertainment system and an implementation method of the automobile entertainment system. In the audio/video access device of the automobile entertainment system, a mobile terminal accesses an original entertainment system of an automobile, an audio/video signal of the mobile terminal is converted into an audio/video signal matched with an automobile audio/video output module, and output is performed on the automobile audio/video output module, so that the defect of poor seeing-hearing experience of the mobile terminal due to a small quantity of audio and video sources in the automobile entertainment system is overcome; the mobile terminal can be controlled through automobile buttons, so that the interactivity between the automobile and the mobile terminal is improved, the entertainment function of the automobile is increased, and convenience is brought to a user.
Description
Technical field
The present invention relates to vehicle electric field, particularly a kind of audio frequency and video access device, automotive entertainment system and its implementation.
Background technology
Along with the fast development of economic society, the application of mobile terminal, automotive electronic technology is increasingly extensive, more becomes indispensable instrument in people's routine work life.
Mobile terminal has independently operating system, can select voluntarily music by user, video playback, picture browsing, digital map navigation, the functions such as wireless access the Internet, but mobile terminal exterior design is generally all below 5 inches, this exists the sound video pictures little and that show of loud speaker all very little while being just doomed mobile terminal playing audio frequency and video, and in present medium-to-high grade brand automobile, is all furnished with the entertainment systems of higher gears, dispose automobile audio and high-resolution former car large-size screen monitors, it can be car owner the sense of hearing and visual enjoyment is provided, but it is less that the entertainment systems of present most of automobile obtains the approach of source of sound and video source, generally only from former car CD/DVD, former car broadcast receiver or obtain source of sound or video source by being connected in the storage card at the reserved USB interface place of former car outward.Along with the quick raising of people's spirit and material life, above-mentioned more single obtain manner can not meet people's demand already.
Therefore, all there is the defect of certain aspect in the entertainment systems on existing mobile terminal and automobile, and prior art awaits further improvement.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of audio frequency and video access device, automotive entertainment system and its implementation, to solve automotive entertainment system audio-video source in prior art, obtain more single, and the problem that mobile terminal display screen or loudspeaker sound are little, a kind of method of the access of the audio-video signal by mobile terminal automotive entertainment system is provided, when having improved automotive entertainment system recreational, increased the interactivity between automobile and mobile terminal.
In order to achieve the above object, the present invention has taked following technical scheme:
An access device, wherein, for converting the audio-video signal of input system output to mate with incoming end system audio-video signal, described device comprises following part:
Signal decoding module, for decoding to the audio-video signal receiving from input system;
Audio frequency and video processing module, is processed into audio frequency and video output system with the incoming end audio-video signal that matches for the audio-video signal that signal decoding module is decoded;
Audio frequency and video handover module, switches to the audio-video signal of input for the audio-video signal that incoming end is play;
Described signal decoding module, audio frequency and video processing module and audio frequency and video handover module are connected successively; Signal decoding module is transferred to described audio frequency and video processing module by decoded audio-video signal, described audio frequency and video processing module is transferred to audio frequency and video handover module by the audio-video signal of finishing dealing with, and the audio-video signal that described audio frequency and video handover module is play incoming end switches to the audio-video signal of input.
Described audio frequency and video access device, wherein, described device also comprises with lower module:
Mutual control module, for obtaining the button control information of incoming end system, and sends described button control information to central control module;
Central control module, for the button control information of obtaining according to mutual control module, and convert described button control information to input system corresponding control signal, described control signal is transferred to signal decoding module, by signal decoding module, input system is carried out to corresponding operating.
Described central control module is connected with audio frequency and video handover module successively with mutual control module, signal decoding module, audio frequency and video processing module.
Described audio frequency and video access device, wherein, described button control information is pattern switching, broadcasting, time-out, a upper song, next song, upper joint and next joint.
, wherein, comprise mobile terminal, automobile audio-video output module and described audio frequency and video access device;
Mobile terminal, audio frequency and video access device and automobile audio-video output module are connected successively; Described audio frequency and video access device is for the audio-video signal of mobile terminal receive input, and described audio-video signal is converted to the audio-video signal matching with automobile audio-video output module, and the audio-video signal converting is transferred to automobile audio-video output module, by automobile audio-video output module, export.
A method for described automotive entertainment system, wherein, said method comprising the steps of:
Whether S1, signal decoding module be in real time to having mobile terminal access to detect, when mobile terminal access having been detected, signal decoding module is decoded to the mobile terminal audio-video signal receiving, and decoded mobile terminal audio-video signal is sent to audio frequency and video processing module;
S2, audio frequency and video processing module are processed into by the mobile terminal audio-video signal receiving the audio-video signal that the audio frequency and video output module with automobile matches, and are transferred to audio frequency and video handover module;
The audio-video signal that S3, audio frequency and video handover module are play automobile switches to the audio-video signal of the mobile terminal of finishing dealing with, and the audio frequency and video output module that the audio-video signal of this mobile terminal sends to automobile is play.
The described method that realizes automotive entertainment system, wherein, described method also comprises step:
The button control information that S4, mutual control module are obtained automobile, and described button control information is transferred to central control module.
The described method that realizes automotive entertainment system, wherein, described step S4 also comprises: central control module changes into the corresponding control signal of mobile terminal by the button control information of obtaining in mutual control module, and by decoding signals, mobile terminal is operated accordingly.
The described method that realizes automotive entertainment system, wherein, described method also comprises step:
S5. when signal decoding module detects mobile terminal access interrupt signal, described access interrupt signal is passed to central control module, described audio frequency and video handover module switches to automobile audio-video signal by the audio-video signal of playing in the audio frequency and video output module of automobile.
A kind of audio frequency and video access device provided by the invention, automotive entertainment system and its implementation, by using audio frequency and video access device that mobile terminal and the original entertainment systems of automobile are coupled together, whether audio frequency and video access device is in real time to having mobile terminal access to detect, audio-video signal to mobile terminal output is decoded, and the audio-video signal of described mobile terminal is processed into the audio-video signal matching with automobile audio-video output module, and export by the audio frequency and video output module of automobile, thereby realized, do not changing under the prerequisite of automotive entertainment system circuit, use the audio frequency and video output module of automobile to play the audio-video signal of mobile terminal, expanded the source of automobile music or video, increased the recreational of automotive entertainment system.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of audio frequency and video access device provided by the invention.
Fig. 2 is the structural representation of a kind of automotive entertainment system provided by the invention.
Fig. 3 is a kind of method step flow chart of realizing described automotive entertainment system provided by the invention.
Embodiment
The invention provides a kind of audio frequency and video access device, automotive entertainment system and its implementation.For making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of audio frequency and video access device, for converting the audio-video signal of input system output to mate with incoming end system audio-video signal, as shown in Figure 1, described device comprises with lower module:
Signal decoding module 1, for decoding to the audio-video signal receiving from input system;
Audio frequency and video processing module 2, is processed into audio frequency and video output system with the incoming end audio-video signal that matches for the audio-video signal that signal decoding module 1 is decoded;
Audio frequency and video handover module 3, switches to the audio-video signal of input for the audio-video signal that incoming end is play;
Described signal decoding module 1, audio frequency and video processing module 2 and audio frequency and video handover module 3 are connected successively; Signal decoding module 1 is transferred to described audio frequency and video processing module 2 by decoded audio-video signal, described audio frequency and video processing module 2 is transferred to audio frequency and video handover module 3 by the audio-video signal of finishing dealing with, and the audio-video signal that described audio frequency and video handover module 3 is play incoming end switches to the audio-video signal of input.
Whether signal decoding module 1 is in real time to having signal access to detect, when audio-video signal input having been detected, described audio-video signal is decoded, and the audio-video signal that decoding is completed is transferred to audio frequency and video processing module 2 and processes, described audio frequency and video processing module 2 converts the audio-video signal receiving to the audio-video signal matching with incoming end audio frequency and video output module, be transferred to audio frequency and video handover module 3, described audio frequency and video handover module switches to its received audio-video signal by the audio frequency and video output signal of incoming end.
On the basis of technique scheme, in order to make to have better interactivity between input system and incoming end system, described device can also comprise with lower module, as shown in Figure 1:
Mutual control module 4, for obtaining the button control information of incoming end system, and sends described button control information to central control module 5;
Central control module 5, for the button control information of obtaining according to mutual control module 4, and convert described button control information to input system corresponding control signal, described control signal is transferred to signal decoding module, by signal decoding module, input system is carried out to corresponding operating.
Described central control module 5 is connected with audio frequency and video handover module 3 successively with mutual control module 4, signal decoding module 1, audio frequency and video processing module 2.
For the function of described audio frequency and video access device is better described, below in conjunction with a kind of automotive entertainment system provided by the invention, the function in its application is described in detail.
, as shown in Figure 2, described system comprises the audio frequency and video output module 7 of mobile terminal 6, automobile, wherein, it also comprises described audio frequency and video access device,
Mobile terminal 6, audio frequency and video access device and automobile audio-video output module 7 are connected successively; Described audio frequency and video access device is for the audio-video signal of mobile terminal receive input, and described audio-video signal is converted to the audio-video signal matching with automobile audio-video output module, and the audio-video signal converting is transferred to automobile audio-video output module, by automobile audio-video output module, export.
Concrete each module of audio frequency and video access device in automotive entertainment system has following functions:
Signal decoding module 1, decodes for the mobile terminal audio-video signal to receiving.Audio frequency and video processing module 2, is processed into for the audio-video signal that signal decoding module is decoded the audio-video signal that the audio frequency and video output module 7 with automobile matches.Audio frequency and video handover module 3, for according to the signal receiving from audio frequency and video processing module, switches to mobile terminal audio-video signal by the audio-video signal of automobile audio-video output module 7 outputs.
Described mobile terminal 6 is connected with signal decoding module 1, and the signal that mobile terminal 6 is sent is transferred to signal decoding module 1; The control command that audio frequency and video processing module 2 is sent according to central control module 5 is processed the signal decoding in signal decoding module 1, and the signal of finishing dealing with is transferred to audio frequency and video handover module 3, described audio frequency and video handover module 3 is audio frequency or video according to the signal receiving, and is transferred to automobile audio-video output module 7 and plays.
Concrete, described mobile terminal 6 is connected with signal decoding module 1 by data wire, and output HDMI or MHL signal are to signal decoding module 1, and mobile terminal 6 can also be by the charging process that has been connected with signal decoding module 1 simultaneously.
Whether described signal decoding module 1 is in real time to having mobile terminal 6 accesses to detect, when detecting with mobile terminal 6 accesses, start charging circuit to mobile terminal 6 chargings, and the HDMI that mobile terminal 6 is spread out of by data wire or MHL signal are decoded, by the digital audio and video signals decoding or digital signal transmission to audio frequency and video processing module 2.If signal decoding module 1 does not detect mobile terminal 6 access, keep above-mentioned charging circuit in closed condition, the broadcast state of the audio frequency and video of automobile in himself entertainment systems.
Digital audio and video signals or digital video signal that described audio frequency and video processing module 2 receives from signal decoding module 1, and the audio-video signal that becomes former automotive entertainment system to mate described digital audio and video signals or digital video signal processing.
Concrete, described audio frequency and video processing module 2 is divided into audio treatment unit and video processing unit, and alignment processing is from digital audio and video signals and the digital video signal of mobile terminal 6 respectively.Audio treatment unit converts digital audio and video signals to simulated audio signal that automobile audio mates, and this simulated audio signal outputs to automobile audio through the audio frequency and video handover module 3 being connected with audio frequency and video processing module 2.Video processing unit converts digital video signal to LVDS signal that automobile display screen mates, and this LVDS signal outputs to automobile display screen through the audio frequency and video handover module 3 being connected with audio frequency and video processing module 2 and shows.
Described audio frequency and video handover module 3, for receiving after the simulated audio signal or LVDS signal transmitting from above-mentioned audio frequency and video processing module 2 when it, the audio signal that the former entertainment systems of automobile is play switches to its simulated audio signal receiving from audio frequency and video processing module 2 or LVDS signal, and according to the difference of signal, send to corresponding automobile audio or automobile display screen and play.
On the basis of technique scheme, the present invention can also have following improvement: described system can also comprise with lower module, as shown in Figure 2:
Mutual control module 4, is connected with the CAN BUS bus of automobile, for obtaining automobile button control information, and sends described automobile button control information to central control module 5;
Central control module 5, the button control information of the automobile obtaining for the mutual control module 4 of basis, and convert described automobile button control information to mobile terminal 6 corresponding control signal, described control signal is transferred to signal decoding module 1, by 1 pair of mobile terminal of signal decoding module 6, carries out corresponding operating.
Described central control module 5 is connected with audio frequency and video handover module 3 successively with mutual control module 4, signal decoding module 1, audio frequency and video processing module 2.
Concrete, the button control information of described automobile is pattern switching, broadcasting, time-out, a upper song, next song, upper joint and next joint.The automobile button control information that described central control module obtains from mutual control module according to it, and convert described automobile button control information to mobile terminal corresponding control command, the described control command converting to is sent to signal decoding module, by signal decoding module, mobile terminal is carried out to relevant control operation.
If being pattern, the button control information of described automobile switches, the button control information of the automobile that central control module switches this pattern converts the control command that mobile terminal is identified to, by signal decoding module, audio frequency or the video on the car audio of playing on current automobile audio or display screen or video and mobile terminal, play is switched mutually.If the button control information of described automobile is that upper one is bent or next is bent, central control module converts described button control information to the control command of mobile terminal, by signal decoding module, the audio frequency of playing on mobile terminal is carried out to corresponding control.
By using mutual control module and central control module, user can control mobile terminal by controlling automobile button, thereby brings better recreation experience to user.
Can expect, above-mentioned audio frequency and video access device can be produced separately and install, and when user needs, is arranged on automobile and uses, also can be fixed on automobile, in order to user, use, it can independent moulding, also can be arranged on automotive entertainment system inside.
A kind of automotive entertainment system provided by the invention, by mobile terminal being accessed on the original entertainment systems of automobile, the signal that mobile terminal is spread out of is decoded, audio frequency and video is processed and car audio video switch is become to audio frequency or the video of mobile terminal, thereby realized with sound equipment or the display screen of automobile and play audio frequency or the video on mobile terminal, the audio frequency and video source that has increased automotive entertainment system, has increased the recreational of automobile.
The present invention also provides a kind of method that realizes described automotive entertainment system, as shown in Figure 3, said method comprising the steps of:
Whether S1, signal decoding module be in real time to having mobile terminal access to detect, when mobile terminal access having been detected, signal decoding module is decoded to the mobile terminal audio-video signal receiving, and decoded mobile terminal audio-video signal is sent to audio frequency and video processing module.
Same, described mobile terminal is connected with signal decoding module by data wire, and output HDMI or MHL signal are to signal decoding module.
Can expect, if signal decoding module does not detect mobile terminal access, automobile still uses the audio frequency of himself or video to play, if mobile terminal access detected, the signal of its transmission being decoded, and open mobile terminal charging circuit, is mobile terminal charging.
S2, audio frequency and video processing module are processed into by the mobile terminal audio-video signal receiving the audio-video signal that the audio frequency and video output module with automobile matches, and are transferred to audio frequency and video handover module.
The digital audio and video signals or the digital video signal that due to mobile terminal, transmit do not mate with the sound equipment using on automobile and display screen, therefore need to convert digital audio and video signals or the digital video signal of mobile terminal transmission to the analog and digital signal matching with automobile or the LVDS signal mating with automobile display screen, thereby play on the sound equipment at automobile that can be smooth or display screen.
The audio-video signal that S3, audio frequency and video handover module are play automobile switches to the audio-video signal of the mobile terminal of finishing dealing with, and the audio frequency and video output module that the audio-video signal of this mobile terminal sends to automobile is play.
By the digital audio and video signals of mobile terminal transmission or digital video signal being converted in above-mentioned S2 step after the audio frequency or vision signal that automobile matches, audio frequency and video processing module by the audio frequency of finishing dealing with or video signal transmission to audio frequency and video handover module, audio frequency and video handover module receives after this audio frequency or vision signal, car audio or video switch are become to audio frequency or the vision signal from mobile terminal, use automobile audio or display screen to play the audio frequency from mobile terminal or vision signal.
Based on the above method, described method can also have following improvement: described method can also comprise step:
The button control information that mutual control module is obtained automobile, and described button control information is transferred to central control module.
Central control module changes into the corresponding control signal of mobile terminal by the button control information of the automobile obtaining in mutual control module, and by decoding signals, mobile terminal is operated accordingly.
Identical with the above-mentioned automotive entertainment system based on mobile terminal, in above-mentioned steps by using mutual control module and central control module to convert the button control information of automobile to mobile terminal corresponding control signal, user can control mobile terminal by the operation to automobile button, realize mutual between automobile and mobile terminal, improved the recreational of automobile.
Further, when signal decoding module detects mobile terminal access interrupt signal, described access interrupt signal is passed to central control module, described audio frequency and video handover module switches to the audio-video signal of playing on automobile audio-video output module the audio-video signal of automobile self entertainment systems.
A kind of audio frequency and video access device provided by the invention, automotive entertainment system and its implementation, by mobile terminal being accessed to the original entertainment systems of automobile, the audio-video signal that mobile terminal the is sent processing of decoding, convert the audio-video signal matching with the original entertainment systems of automobile to, on the audio frequency and video output module of automobile, play, thereby it is few not only to have overcome the Voice & Video of automotive entertainment system source own, the defect that mobile terminal audiovisual experience degree is low, and can control mobile terminal by automobile button, improved the interactivity between automobile and mobile terminal, increased the amusement function of automobile, for user provides convenience.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1. an audio frequency and video access device, is characterized in that, for converting the audio-video signal of input system output to mate with incoming end system audio-video signal, described device comprises following part:
Signal decoding module, for decoding to the audio-video signal receiving from input system;
Audio frequency and video processing module, is processed into audio frequency and video output system with the incoming end audio-video signal that matches for the audio-video signal that signal decoding module is decoded;
Audio frequency and video handover module, switches to the audio-video signal of input for the audio-video signal that incoming end is play;
Described signal decoding module, audio frequency and video processing module and audio frequency and video handover module are connected successively; Signal decoding module is transferred to described audio frequency and video processing module by decoded audio-video signal, described audio frequency and video processing module is transferred to audio frequency and video handover module by the audio-video signal of finishing dealing with, and the audio-video signal that described audio frequency and video handover module is play incoming end switches to the audio-video signal of input.
2. audio frequency and video access device according to claim 1, is characterized in that, described device also comprises with lower module:
Mutual control module, for obtaining the button control information of incoming end system, and sends described button control information to central control module;
Central control module, for the button control information of obtaining according to mutual control module, and convert described button control information to input system corresponding control signal, described control signal is transferred to signal decoding module, by signal decoding module, input system is carried out to corresponding operating;
Described central control module is connected with audio frequency and video handover module successively with mutual control module, signal decoding module, audio frequency and video processing module.
3. audio frequency and video access device according to claim 2, is characterized in that, described button control information is pattern switching, broadcasting, time-out, a upper song, next song, upper joint and next joint.
4. an automotive entertainment system, is characterized in that, comprises mobile terminal, automobile audio-video output module and audio frequency and video access device claimed in claim 1;
Mobile terminal, audio frequency and video access device and automobile audio-video output module are connected successively; Described audio frequency and video access device is for the audio-video signal of mobile terminal receive input, and described audio-video signal is converted to the audio-video signal matching with automobile audio-video output module, and the audio-video signal converting is transferred to automobile audio-video output module, by automobile audio-video output module, export.
5. a method that realizes automotive entertainment system as claimed in claim 4, is characterized in that, said method comprising the steps of:
Whether S1, signal decoding module be in real time to having mobile terminal access to detect, when mobile terminal access having been detected, signal decoding module is decoded to the mobile terminal audio-video signal receiving, and decoded mobile terminal audio-video signal is sent to audio frequency and video processing module;
S2, audio frequency and video processing module are processed into by the mobile terminal audio-video signal receiving the audio-video signal that the audio frequency and video output module with automobile matches, and are transferred to audio frequency and video handover module;
The audio-video signal that S3, audio frequency and video handover module are play automobile switches to the audio-video signal of the mobile terminal of finishing dealing with, and the audio frequency and video output module that the audio-video signal of this mobile terminal sends to automobile is play.
6. the method that realizes automotive entertainment system according to claim 5, is characterized in that, described method also comprises step:
The button control information that S4, mutual control module are obtained automobile, and described button control information is transferred to central control module.
7. the method that realizes automotive entertainment system according to claim 6, it is characterized in that, described step S4 also comprises: central control module changes into the corresponding control signal of mobile terminal by the button control information of obtaining in mutual control module, and by decoding signals, mobile terminal is operated accordingly.
8. the method that realizes automotive entertainment system according to claim 7, is characterized in that, described method also comprises step:
S5. when signal decoding module detects mobile terminal access interrupt signal, described access interrupt signal is passed to central control module, described audio frequency and video handover module switches to automobile audio-video signal by the audio-video signal of playing in the audio frequency and video output module of automobile.
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CN113766266A (en) * | 2021-09-10 | 2021-12-07 | 阿波罗智联(北京)科技有限公司 | Audio and video processing method, device, equipment and storage medium |
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140122 |