CN201402608Y - Audio playing system and audio-video playing system - Google Patents
Audio playing system and audio-video playing system Download PDFInfo
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- CN201402608Y CN201402608Y CN2009200704108U CN200920070410U CN201402608Y CN 201402608 Y CN201402608 Y CN 201402608Y CN 2009200704108 U CN2009200704108 U CN 2009200704108U CN 200920070410 U CN200920070410 U CN 200920070410U CN 201402608 Y CN201402608 Y CN 201402608Y
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Abstract
The utility model discloses an audio playing system and an audio-video playing system, wherein the audio playing system comprises a memory module used for memorizing data information, a processing module used to read the digital audio information memorized in the memory module which can be converted into analog audio information through an audio converting unit therein, and a playing module used to play the converted analog audio information through communicating with the processing module. The utility model greatly simplifies the circuit and greatly reduces the manufacturing cost under the condition that the audio can be played.
Description
Technical field
The utility model belongs to the audio signal processing technique field, relates to a kind of Play System, relates in particular to a kind of audio frequency broadcast system; In addition, the utility model also relates to a kind of audio-video frequency playing system.
Background technology
See also Fig. 1, existing audio frequency broadcast system is made up of memory module 10 ', processing module 20 ', D/A converter module 30 ' and playing module 40 '.
Memory module 10 ' storage digitized audio message; Processing module 20 ' reads the digitized audio message of storage in the memory module 10 ', and this information is sent to D/A converter module 30 ' processing; D/A converter module 30 ' is used for the digitized audio message that receives is changed into analog audio information, then analog audio information is sent to playing module 40 ', thereby by playing module 40 ' playback of audio information.
Wherein, the cost of D/A converter module 30 ' is higher, therefore can make the manufacturing cost of whole audio frequency broadcast system higher.
The utility model content
Technical problem to be solved in the utility model is: a kind of audio frequency broadcast system is provided, by reducing D/A converter module, has simplified circuit design, reduce manufacturing cost.
In addition, the utility model also provides a kind of audio-video frequency playing system, by reducing the video decode module, has simplified circuit design, reduces manufacturing cost.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of audio frequency broadcast system, it comprises: memory module is used for storing data information; Processing module is used for reading the digitized audio message that described memory module is stored, and by its inner audio conversion unit described digitized audio message is changed into analog audio information; And playing module, with described processing module communication, be used to play the analog audio information after the transformation.
As a kind of preferred version of the present utility model, processing module changes described digitized audio message into analog audio information by its inner audio conversion program.
As a kind of preferred version of the present utility model, described processing module is a single-chip microcomputer.
As a kind of preferred version of the present utility model, described playing module is earphone or sound equipment.
As a kind of preferred version of the present utility model, described memory module is a storage card.
As a kind of preferred version of the present utility model, also be connected with a filtering circuit between described processing module and playing module, export playing module to after being used for analog audio information put in order ripple and noise reduction.
A kind of audio-video frequency playing system, it comprises: memory module is used for storing data information; Processing module is used for reading the digital audio/video information that described memory module is stored, and by its inner audio frequency and video converting unit described digital audio/video information is changed into analog audio-video information; And playing module, with described processing module communication, be used to play the analog audio-video information after the transformation.
As a kind of preferred version of the present utility model, processing module changes described digital audio/video information into analog audio-video information by its inner audio frequency and video converse routine.
As a kind of preferred version of the present utility model, described processing module is a single-chip microcomputer.
The beneficial effects of the utility model are: the audio frequency broadcast system that the utility model proposes, can be implemented under the situation that can play sound, and simplified circuit, reduce manufacturing cost greatly.
Description of drawings
Fig. 1 is the composition synoptic diagram of existing audio frequency broadcast system.
Fig. 2 is the composition synoptic diagram of the utility model audio frequency broadcast system.
Fig. 3 is the composition synoptic diagram of the utility model audio-video frequency playing system.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 2, the utility model has disclosed a kind of audio frequency broadcast system, and it comprises memory module 10, processing module 20, filtering circuit 50, the playing module 40 that connects successively.
Wherein, memory module 10 is used for storing data information; Data message comprises digitized audio message.In the present embodiment, memory module 10 is a main member by a SD card.
Filtering circuit 50 is a main member by some electric capacity, resistance, exports playing module 40 to after being used for analog audio information put in order ripple and noise reduction; Analog audio information after then changing by playing module 40 broadcasts.In the present embodiment, playing module 40 is an earphone.Playing module 40 plays back analoging sound signal, so that can hear the digitized audio message that is stored on the memory module 10.
By improving, the audio frequency broadcast system that the utility model proposes can be implemented under the situation that can play sound, and has simplified circuit, reduces manufacturing cost greatly.
Embodiment two
See also Fig. 3, the difference of present embodiment and embodiment one is that in the present embodiment, Play System is an audio-video frequency playing system, processing module can be passed through internal processes processing audio, video information simultaneously, and does not need hardware such as D/A converter module, video decode module.
Here description of the present utility model and application are illustrative, are not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change are possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (9)
1, a kind of audio frequency broadcast system is characterized in that, it comprises:
Memory module is used for storing data information;
Processing module is used for reading the digitized audio message that described memory module is stored, and by its inner audio conversion unit described digitized audio message is changed into analog audio information; And
Playing module with described processing module communication, is used to play the analog audio information after the transformation.
2, audio frequency broadcast system according to claim 1 is characterized in that:
Processing module changes described digitized audio message into analog audio information by its inner audio conversion program.
3, audio frequency broadcast system according to claim 1 and 2 is characterized in that:
Described processing module is a single-chip microcomputer.
4, audio frequency broadcast system according to claim 1 and 2 is characterized in that:
Described playing module is earphone or sound equipment.
5, audio frequency broadcast system according to claim 1 and 2 is characterized in that:
Described memory module is a storage card.
6, audio frequency broadcast system according to claim 1 and 2 is characterized in that:
Also be connected with a filtering circuit between described processing module and playing module, export playing module to after being used for analog audio information put in order ripple and noise reduction.
7, a kind of audio-video frequency playing system is characterized in that, it comprises:
Memory module is used for storing data information;
Processing module is used for reading the digital audio/video information that described memory module is stored, and by its inner audio frequency and video converting unit described digital audio/video information is changed into analog audio-video information; And
Playing module with described processing module communication, is used to play the analog audio-video information after the transformation.
8, audio-video frequency playing system according to claim 7 is characterized in that:
Processing module changes described digital audio/video information into analog audio-video information by its inner audio frequency and video converse routine.
9, according to claim 7 or 8 described audio-video frequency playing systems, it is characterized in that:
Described processing module is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200704108U CN201402608Y (en) | 2009-04-14 | 2009-04-14 | Audio playing system and audio-video playing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200704108U CN201402608Y (en) | 2009-04-14 | 2009-04-14 | Audio playing system and audio-video playing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402608Y true CN201402608Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200704108U Expired - Fee Related CN201402608Y (en) | 2009-04-14 | 2009-04-14 | Audio playing system and audio-video playing system |
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| Country | Link |
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| CN (1) | CN201402608Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021811A (en) * | 2014-06-25 | 2014-09-03 | 镇江新晔网络科技有限公司 | Voice recording-playing system based on single chip microcomputer |
| CN107948873A (en) * | 2017-11-27 | 2018-04-20 | 安徽威斯贝尔智能科技有限公司 | The automatic switchover system and its method of a kind of audio signal |
-
2009
- 2009-04-14 CN CN2009200704108U patent/CN201402608Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021811A (en) * | 2014-06-25 | 2014-09-03 | 镇江新晔网络科技有限公司 | Voice recording-playing system based on single chip microcomputer |
| CN107948873A (en) * | 2017-11-27 | 2018-04-20 | 安徽威斯贝尔智能科技有限公司 | The automatic switchover system and its method of a kind of audio signal |
| CN107948873B (en) * | 2017-11-27 | 2020-09-01 | 安徽威斯贝尔智能科技有限公司 | Automatic switching system and method for audio signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: AVCON INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI AVCON INFORMATION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200433 Shanghai City, Yangpu District National Road No. 335 Patentee after: Information Technology Co., Ltd. Shanghai Avcon Address before: 200433 Shanghai City, Yangpu District National Road No. 335 Patentee before: Shanghai Avcon Information Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20180414 |