CN200947646Y - Vehicle-mounted multifunctional video player - Google Patents

Vehicle-mounted multifunctional video player Download PDF

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Publication number
CN200947646Y
CN200947646Y CNU2006201372055U CN200620137205U CN200947646Y CN 200947646 Y CN200947646 Y CN 200947646Y CN U2006201372055 U CNU2006201372055 U CN U2006201372055U CN 200620137205 U CN200620137205 U CN 200620137205U CN 200947646 Y CN200947646 Y CN 200947646Y
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video
audio
data
processing unit
codec
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Expired - Fee Related
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CNU2006201372055U
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Chinese (zh)
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蔡韩
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Individual
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Abstract

The utility model relates to a car-carried multi-functional video and audio player including a data receiving unit, a data processing unit and a data sending unit. The data receiving unit is connected with the external multimedia equipment to gain audio frequency and video frequency data; the data processing unit is connected with the data receiving unit to decode the audio frequency and video frequency data that the data receiving unit has gained; the data sending unit is connected with the data processing unit. The data sending unit is connected with the video and audio terminal inside the car to output and play the multimedia video and audio files. The player can be connected with other multimedia equipment, and can download and store plentiful video and audio materials and then put the stored video and audio materials in connection with the video and audio equipment inside the car to play the materials, so the player not only enlarges the audio and video space but also reaches the beneficial effect of being economical as well as applicable.

Description

The Vehicular multifunctional audio and video player
Technical field
The utility model relates to a kind of Vehicular multifunctional audio and video player.
Background technology
In recent years, along with people's living standard improve constantly, the popularity rate of vehicle also among riseing every year, except pursuing the safety and comfort on driving, also require has abundanter audio-visual seeing and hearing enjoyment to people in uninteresting driving procedure to vehicle.In the prior art, the playback equipment that provides audio-visual audiovisual pastime to enjoy on vehicle generally comprises: CD player, VCD machine and DVD player etc., yet, these traditional vehicle carried video playback equipments exist following defective: when playing back music or film, the optical disk cartridge of need on vehicle, arranging in pairs or groups, people can only reach the purpose that seeing and hearing enjoyment was play and enriched in conversion by choosing the limited audio-visual video disc of depositing in the optical disk cartridge, in addition, if satisfy ever-increasing various audiovisual needs, people also can only realize by constantly buying the audio-visual video disc of increase, therefore, present prior art was not only uneconomical saves money but also inconvenient practical.On the other hand, because the ambient temperature conditions in the car is different from general room temperature situation usually, in car, place audio-visual video disc for a long time and can cause the wearing and tearing of video disc, thereby make playback equipment when reading audio-visual video disc, the serious consequence that occurs reading obstacle and damage movement.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, a kind of Vehicular multifunctional audio and video player is provided, this player can be connected with other multimedia equipment, and the abundant audiovisual materials of downloaded stored, then the audio-visual equipment in the external car of audiovisual materials of storage is used to play, it not only can greatly expand people's audio-visual space, and can reach economical and practical beneficial effect.
Vehicular multifunctional audio and video player of the present utility model comprises: Data Receiving unit, data processing unit and data transmission unit, described Data Receiving unit is connected with the multimedia equipment of outside, be used to obtain audio-visual data, described data processing unit is connected with the Data Receiving unit, the audio-visual data that is used for that the data receiving element is obtained is carried out encoding and decoding and is handled, described data transmission unit is connected with data processing unit, audiovisual terminals in the external car of this data transmission unit is used to export the play multimedia audio/video file.
Described Data Receiving unit comprises: memory card interface, and it is used to read the data that obtain various storage cards (CF, SD, MMC, MS, XD); Network interface, it is used to visit the Internet network or wlan network is downloaded multimedia resources such as obtaining audio frequency, video, recreation; USB interface, it is used for memory devices such as access hard disk or portable hard drive, to obtain the video/audio data of its storage.
Described data processing unit comprises: video data coding/decoding module, voice data coding/decoding module, digital signal processor and microprocessor.Wherein, described video data coding/decoding module is connected with digital signal processor respectively with the voice data coding/decoding module, and this digital signal processor is connected with microprocessor again.Described video data coding/decoding module comprises: video A/D converter, Video Codec and sequential logic controller, wherein, described video A/D converter is connected with Video Codec, described Video Codec is connected with the sequential logic controller again, and described sequential logic controller is the linking number word signal processor again.Described voice data coding/decoding module comprises: audio frequency analog to digital converter, audio codec and operational amplifier, wherein, described audio frequency analog to digital converter is connected with audio codec, described audio codec is connected with operational amplifier, and described operational amplifier is the linking number word signal processor again.
Described data transmission unit comprises: buffer, video terminal and audio frequency terminal, described buffer connects video terminal and audio frequency terminal.Described buffer is used for the video/audio data of temporal data processing unit transmission, image terminals such as the TV of described video terminal in can external car, display; Audio terminals such as the earphone of described audio frequency terminal in can external car, sound equipment.
Vehicular multifunctional audio and video player of the present utility model has the following advantages: the first, and this player possesses the audio-video playing function of common vehicle-mounted audiovisual system; The second, this player can obtain abundant multimedia video data resource from download at any time on computer network and the portable hard drive, thereby can greatly expand people's audio-visual space; The 3rd, this player can be stored jumbo video-audio data file, for example, can store the movie program that surpasses 120 hours or surpass 5000 first songs; The 4th, this player uses economical convenient, has overcome the deficiency that traditional CD/VCD/DVD disc player need carry a large amount of video discs.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model;
Fig. 2 is the first embodiment schematic diagram that the utility model is used;
Fig. 3 is the second embodiment schematic diagram that the utility model is used.
Embodiment
With embodiment Vehicular multifunctional audio and video player of the present utility model is done explanation in further detail with reference to the accompanying drawings.
As shown in Figure 1, Vehicular multifunctional audio and video player of the present utility model comprises: Data Receiving unit, data processing unit and data transmission unit, described Data Receiving unit is connected with the multimedia equipment of outside, be used to obtain audio-visual data, described data processing unit is connected with the Data Receiving unit, the audio-visual data that is used for that the data receiving element is obtained is carried out encoding and decoding and is handled, described data transmission unit is connected with data processing unit, audiovisual terminals in the external car of this data transmission unit is used to export the play multimedia audio/video file.
Described Data Receiving unit comprises: memory card interface, and it is used to read the data that obtain various storage cards (CF, SD, MMC, MS, XD); Network interface, it is used to visit the Internet network or wlan network is downloaded multimedia resources such as obtaining audio frequency, video, recreation; USB interface, it is used for memory devices such as access hard disk or portable hard drive, to obtain the video/audio data of its storage.
Described data processing unit comprises: video data coding/decoding module, voice data coding/decoding module, digital signal processor and microprocessor.Wherein, described video data coding/decoding module is connected with digital signal processor respectively with the voice data coding/decoding module, this digital signal processor is connected with microprocessor again, described microprocessor is responsible for real-time multi-task coordination and processing, this processor memory is placed with embedded OS such as WINCE, LINUX etc., it has designed a service routine and a CLIENT PROGRAM, the timing of service routine register system, information such as keyboard interrupt, the Socket mechanism that provides by operating system is transferred to CLIENT PROGRAM with video/audio, CLIENT PROGRAM provides complete operating experience to the user, the user can select displaying video by menu, function such as audio frequency and file management, this microprocessor can adopt PXA270 or EM8511S.Described video data coding/decoding module comprises: video A/D converter, Video Codec and sequential logic controller, wherein, described video A/D converter is connected with Video Codec, described Video Codec is connected with the sequential logic controller again, and described sequential logic controller is the linking number word signal processor again.Described voice data coding/decoding module comprises: audio frequency analog to digital converter, audio codec and operational amplifier, wherein, described audio frequency analog to digital converter is connected with audio codec, described audio codec is connected with operational amplifier, and described operational amplifier is the linking number word signal processor again.
Described data transmission unit comprises: buffer, video terminal and audio frequency terminal, described buffer connects video terminal and audio frequency terminal.Described buffer is used for the video/audio data of temporal data processing unit transmission, image terminals such as the TV of described video terminal in can external car, display; Audio terminals such as the earphone of described audio frequency terminal in can external car, sound equipment.
That shown in Figure 2 is first embodiment of the present utility model, as shown in the figure, the Vehicular multifunctional audio and video player is connected by the usb data line with notebook computer, data processing unit is given with the video-audio data file transfer of computer memory storage in the Data Receiving unit, then, data processing unit will be discerned according to the suffix name of video file and audio file: 1. video file at first transfers to video A/D converter and carries out digital-to-analogue conversion, then, through Video Codec the encoding and decoding that the video data after changing carries out reference format are handled, the Video Codec here can adopt ADV601, be transferred to the sequential logic controller through the video data file with reference format after the encoding and decoding processing, it is used for overcoming the inconsistent shortcoming of sequential logic that data flow produces in transmission course.2. audio file at first transfers to the audio frequency analog to digital converter and carries out digital-to-analogue conversion, then, through audio codec the encoding and decoding that the voice data after changing carries out reference format are handled, the audio codec here can adopt SPCA757, and the audio data file with reference format after handling through encoding and decoding is transferred to operational amplifier and carries out power amplification.After treatment video data stream and audio data stream are admitted to digital signal processor, and this digital signal processor can adopt BlackfinBF561 series, carry out multitask ground real time coordination and handle under the control of microprocessor.At last, digital signal processor is sent to data transmission unit with the video/audio data flow, buffer in this unit is temporarily stored video/audio data flow, then, carry out video playback by the automotive displays that links to each other with video terminal, carry out voice playing by the auto loud hailer that links to each other with the audio frequency terminal.
That shown in Figure 3 is second embodiment of the present utility model, the Vehicular multifunctional audio and video player adopts WLAN interface accessing Internet, the Data Receiving unit is with the video-audio data file on the download network and be transferred to data processing unit, then, data processing unit will be discerned according to the suffix name of video file and audio file: 1. video file at first transfers to video A/D converter and carries out digital-to-analogue conversion, then, through Video Codec the encoding and decoding that the video data after changing carries out reference format are handled, the Video Codec here can adopt ADV601, be transferred to the sequential logic controller through the video data file with reference format after the encoding and decoding processing, it is used for overcoming the inconsistent shortcoming of sequential logic that data flow produces in transmission course.2. audio file at first transfers to the audio frequency analog to digital converter and carries out digital-to-analogue conversion, then, through audio codec the encoding and decoding that the voice data after changing carries out reference format are handled, the audio codec here can adopt SPCA757, and the audio data file with reference format after handling through encoding and decoding is transferred to operational amplifier and carries out power amplification.After treatment video data stream and audio data stream are admitted to digital signal processor, and this digital signal processor can adopt BlackfinBF561 series, carry out multitask ground real time coordination and handle under the control of microprocessor.At last, digital signal processor is sent to data transmission unit with the video/audio data flow, buffer in this unit is temporarily stored video/audio data flow, then, carry out video playback by the automotive displays that links to each other with video terminal, carry out voice playing by the auto loud hailer that links to each other with the audio frequency terminal.
Above-described only is preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these change also should be considered as belonging to protection range of the present utility model.

Claims (6)

1. Vehicular multifunctional audio and video player, it is characterized in that comprising: the audio-visual data of obtain the Data Receiving unit of audio-visual data, the data receiving element being obtained is carried out the data processing unit that encoding and decoding handle, the data transmission unit of output play multimedia audio/video file, described Data Receiving unit is connected with the multimedia equipment of outside, described data processing unit is connected with the Data Receiving unit, described data transmission unit is connected with data processing unit, the audiovisual terminals in the external car of described data transmission unit.
2. Vehicular multifunctional audio and video player as claimed in claim 1 is characterized in that described Data Receiving unit comprises: memory card interface, network interface and USB interface.
3. Vehicular multifunctional audio and video player as claimed in claim 1, it is characterized in that described data processing unit comprises: video data coding/decoding module, voice data coding/decoding module, digital signal processor and microprocessor, wherein, described video data coding/decoding module is connected with digital signal processor respectively with the voice data coding/decoding module, and this digital signal processor is connected with microprocessor again.
4. Vehicular multifunctional audio and video player as claimed in claim 3, it is characterized in that described video data coding/decoding module comprises: video A/D converter, Video Codec and sequential logic controller, wherein, described video A/D converter is connected with Video Codec, described Video Codec is connected with the sequential logic controller again, and described sequential logic controller is the linking number word signal processor again.
5. Vehicular multifunctional audio and video player as claimed in claim 3, it is characterized in that described voice data coding/decoding module comprises: audio frequency analog to digital converter, audio codec and operational amplifier, wherein, described audio frequency analog to digital converter is connected with audio codec, described audio codec is connected with operational amplifier, and described operational amplifier is the linking number word signal processor again.
6. Vehicular multifunctional audio and video player as claimed in claim 1, it is characterized in that described data transmission unit comprises: the audio frequency terminal of the buffer of the video/audio data of temporal data processing unit transmission, the video terminal of the image terminal in the external car and the audio terminal in the external car, described buffer is connected with the audio frequency terminal with video terminal.
CNU2006201372055U 2006-09-19 2006-09-19 Vehicle-mounted multifunctional video player Expired - Fee Related CN200947646Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101686631B (en) * 2008-09-27 2012-07-11 陈刚 Vehicle-mounted video and music entertainment system
CN104159133A (en) * 2014-08-22 2014-11-19 北京博宇昊业多媒体科技有限公司 Digital video playing system
CN106161991A (en) * 2016-07-29 2016-11-23 青岛海信移动通信技术股份有限公司 A kind of camera video processing method and terminal
CN112339681A (en) * 2019-08-09 2021-02-09 深圳市索威科技有限公司 Cinema-level automobile cinema sound

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101686631B (en) * 2008-09-27 2012-07-11 陈刚 Vehicle-mounted video and music entertainment system
CN104159133A (en) * 2014-08-22 2014-11-19 北京博宇昊业多媒体科技有限公司 Digital video playing system
CN106161991A (en) * 2016-07-29 2016-11-23 青岛海信移动通信技术股份有限公司 A kind of camera video processing method and terminal
CN112339681A (en) * 2019-08-09 2021-02-09 深圳市索威科技有限公司 Cinema-level automobile cinema sound

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Granted publication date: 20070912

Termination date: 20091019