CN2463913Y - Numerical code sound signal program-requesting machine with digital keyboard - Google Patents
Numerical code sound signal program-requesting machine with digital keyboard Download PDFInfo
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- CN2463913Y CN2463913Y CN 01201766 CN01201766U CN2463913Y CN 2463913 Y CN2463913 Y CN 2463913Y CN 01201766 CN01201766 CN 01201766 CN 01201766 U CN01201766 U CN 01201766U CN 2463913 Y CN2463913 Y CN 2463913Y
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- numeric keypad
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Abstract
The utility model relates to a numerical code sound signal program-requesting machine with a digital keyboard, which at least comprises a central control unit, a storage unit, a display unit, a sound processing unit, a communication unit and a power supply unit, wherein, the central control unit is connected with all units; the communications unit and the sound processing unit are all connected with the storage unit. In addition, the numerical code sound signal program-requesting machine also comprises a keyboard unit which is connected with the central control unit; the keyboard unit mainly comprises more than one digital keyboard and function control keys. The program-requesting machine has simple operation and larger selection flexibility of requesting contents, and is simultaneously capable of eliminating the limitation of traditional products.
Description
The utility model relates to a kind of digital audio communication play-back technology, refers to a kind of digital audio communication planter with numeric keypad of selecting to play-over selected music or recording by numerical key especially.
The development of present digital technology and is used more and more widely, is popularized rapidly, relates to many-sided multimedia application such as digital camera, digital television, digital broadcast, digital recording.For digital audio communication is play, the digital audio communication player that existing market is popular, as MP3 music player, digital recording pen or the like, all there is not digital selective key, have only broadcast, stop, F.F., fall soon, a few function operating key such as time-out, therefore can only realize linear played in order.If the user wants to listen to certain content, can only repeat to press F.F. or rewind key, occur up to certain content.This set is feasible in the content that can play more after a little while, but increase along with memory capacity, when the content hop count that stores in the player reaches tens of up to a hundred sections even hundreds of section, select specific play content if also adopt the mode of this fast-forward/fast-rewind, not only can lose time, and the very trouble that operates, even can be because the restriction of player makes the user use.
In view of this, fundamental purpose of the present utility model is to provide a kind of digital audio communication planter with numeric keypad, and it is easier to make that the user operates, bigger to the selection dirigibility of play content, has eliminated the limitation of traditional product simultaneously.
For achieving the above object, the utility model provides a kind of digital audio communication planter with numeric keypad, at least comprise central control unit, storage unit, display unit, sound processing unit, communication unit and power supply unit, central control unit links to each other with all unit, communication unit all links to each other with storage unit with sound processing unit, importantly: it also comprises a keyboard unit, this keyboard unit links to each other with central control unit, this keyboard unit mainly comprises an above numerical key and an above function operating key, and this numerical key and function operating key are touch-switch.Wherein, described function operating key comprises broadcast/Pause key, stop key, fast forward button, rewind key, clear key and volume key at least; Described numerical key is 0 to 9 10 numeric keys.
Described display unit comprises driver module and LCDs at least.Described storage unit comprises one or more high-capacity flash memories.Described sound processing unit comprises that at least digital decoder, D/A digital to analog conversion module and dual operational amplifier constitute.Described communication unit mainly is made of USB (universal serial bus) (USB) interface.Described power supply unit comprises a DC/DC module at least.
How much information is digital audio communication planter with numeric keypad provided by the utility model no matter owing to adopt the keyboard input, stored in the player, all can search rapidly easily.The user only need press the corresponding digital key, can hear own selected ground play content at once.It is more simple and convenient to make that the user operates, and the dirigibility that play content is selected is bigger, has also eliminated the limitation of traditional product simultaneously, is more suitable for the demand in user and market.In addition, along with the increase of storage chip capacity and the continuous decline of chip price, the convenience of digital selective key and necessity will be more and more outstanding, and the ratio of performance to price of product is also more and more higher.This product is small and exquisite, is more convenient for carrying.
Below in conjunction with drawings and the specific embodiments the utility model is further described in more detail.
Fig. 1 is one-piece construction figure of the present utility model;
Fig. 2 is a circuit block diagram of the present utility model;
Fig. 3 is the circuit theory diagrams of the utility model keyboard unit;
Fig. 4 is the circuit theory diagrams of the utility model central control unit;
Fig. 5 is the utility model product appearance figure.
As shown in Figure 1, the utility model mainly is made up of several parts of central control unit, storage unit, keyboard unit, display unit, sound processing unit, communication unit and power supply unit.Wherein, central control unit is a core of the present utility model, links to each other with all modules, is used to control all processing data information, and dispatches the demand that each unit is finished the user jointly.Communication unit all links to each other with storage unit with sound processing unit, can send into storage unit by communication unit from the audio files of downloaded and preserve, and when sound processing unit need call, reads from storage unit again.Power supply unit provides power supply for all unit.
In conjunction with Fig. 1, as can be seen shown in Figure 2, central control unit of the present utility model is made of a high-performance microprocessor (MCU), is mainly used in control and treatment is partly carried out in keyboard, storage, demonstration, communication, power supply, acoustic processing etc.
Storage unit is made of one or more high-capacity flash memory (FLASH), is used to store the audio files of handling through overcompression, and the capacity of FLASH can arbitrarily be changed according to the demand of reality under the prerequisite that need not change circuit design.
Keyboard unit mainly is made up of 10 digital selective keys 52 and 6 function operating keys 51, and this keyboard adopts touch-switch.As shown in Figure 5, ten numerals of 10 digital selective key 52 corresponding 0-9 of difference, every segment information is represented by 4-digit number, therefore, can select 9999 sections different information at most.51 of 6 function operating keys respectively correspondence play/suspend, stop, F.F., fall soon, removing, volume.Wherein, the volume key 53 in the function operating key 51 adopts digital segmentation control, can be divided into 4 sections, whenever clicks key and increases/subtract a volume section.
Display unit is made of driver module and LCDs (LCD), is used to show various duties and operation indicating.This LCDs contains triplex row and shows, first row shows dump energy, broadcast mode, volume with diagramatic way; The digital row of second behavior is used to show the information such as total playing duration of playing duration/this section voice of numbering, this section voice of the digital speech of current selection.The third line is that English word is capable, is used for display additional information.
Sound processing unit is made of digital decoder, D/A digital to analog conversion module and dual operational amplifier, be used for the digital sound files that needs are play is carried out decompression, the acceptable two-channel simulating signal of digital signal conversion adult's ear with after decompressing is amplified to simulating signal the level that people's ear can normally be listened to again.The utility model can be selected four kinds of broadcast modes: single hop broadcast, played in order, single hop circulation, whole circulation, general default conditions are single broadcast mode.
Communication unit is made of USB interface, is used to connect computing machine, and downloads or upload acoustic information from the computing machine high speed, and its transfer rate exceeds tens of times than serial/parallel mouthful of traditional speed of download, and can carry out hot plug operations.
Power supply unit is made of a DC/DC module, is used for to the entire circuit power supply, and the DC/DC module is used for booster tension, to satisfy the power requirement of integrated circuit.The utility model generally adopts powered battery, but continuous working more than 16 hours, and in addition, it also contains Design of power saving, if the i.e. shutdown automatically of no any operation within 3 minutes.
The audio files of depositing in the storer need be downloaded from computing machine, and under the control of MCU, the audio files of handling through overcompression in the computing machine is delivered to by USB interface in the storer of planter, the reference number of a document that different audio files is corresponding different.During broadcast, at first press digital selective key and confirm play content, press play button then.Under the control of MCU, the audio files of reference numeral delivers to from storer that sound processing unit decompresses, digital-to-analog conversion, amplification, finally plays back by earphone.The state of each step operation and the duty of power supply all show by display unit under the control of MCU, are used for prompting and confirm operation.
Core technology of the present utility model is exactly to have increased by ten digital selective keys of 0-9 in traditional product, thereby has broken through the bottleneck on the traditional design, greatly facilitates use.The 0-9 10 numeric keys is made up of the general physics device, why can send corresponding selection instruction as requested, is that we are that it has worked out control corresponding software.In other words, the core technology of invention is that the Control Software of numerical key and relevant hardware realize.
See also Fig. 3, shown in Figure 4, Fig. 3 and Fig. 4 are respectively the circuit theory diagrams of keyboard unit and central control unit.K1-K16 in the keyboard circuit is a touch-switch, the corresponding successively digital 0-9 of K1-K10 wherein, K switch 11-K16 be corresponding successively to be play, stop, F.F., soon, removing, 6 function operating keys of volume.Output line CDD8-CDD15 in the keyboard circuit and P36, P37, pin 80 to 89 signal lines CD_D8_LD0-CD_D15_LD7 and pin 59,60 signal lines P36, the P37 with MCU is corresponding one by one respectively.
Keyboard circuit is delegation's column matrix control circuit, and by the state of K switch 1-K16, and the relation of the path between CDD8-CDD15 and P36, the P37 is sent signal to MCU.For example, when pressing lower keyboard 3, corresponding K switch 3 closures are communicated with the CDD13 of MCU with P36, and when pressing lower keyboard 4, and K switch 4 closures of correspondence are communicated with the CDD8 of MCU with P37.MCU sends instruction according to the state of each switch to storage unit, accesses the corresponding sound file and handles, plays, and finishes the design function of system.
The utility model can be used in many aspects, such as: portable digital audio communication planter, the digital audio communication planter of portable graphic or other extension product.
Embodiment one:
Portable digital audio communication planter is the audio communication playback equipment of a similar plain old telephone mobile phone of size, can carry out " program request " to the audio files of storing by numerical key.Audio files is to pass through USB interface in advance, downloads to from computing machine in the storer in the planter.After turning on the power switch, planter is in default setting, waits for the input context number.If want to play the 123rd section content, can press numerical key successively 1,2, No. 3, press play button then.This signal is delivered to CPU (central processing unit) from keyboard unit, be according to sending signal with the keyboard signal by CPU (central processing unit) then to storage unit, corresponding 123 bugle call sound file contents in the storage unit are delivered to sound processing unit carry out decoding processing and digital-to-analog conversion, after after sound playing unit amplifies, play back by earphone.No matter therefore all size that audio files can be 8k in the 320M bit rate be normal speech or clear stereo digital music, can both effectively guarantee its result of broadcast, and can dynamically make full use of the machine internal storage.The playback device adopts auricle formula earphone, to adapt to the various environment of listening to.LCDs can show various duties, and can carry out operation indicating easily.Adopt the common AA powered battery of 2 joints, can guarantee the needs that the long period plays, also taken into account use economical simultaneously.Special being linked with and this product being hung over the front easily of being equipped with do not influence the user and carries out other activities.Make the usefulness of audio guide when this product is particularly suitable for out on tours, and when leisure listoning music or other theatrical items.
Embodiment two:
Portable graphic audio communication planter is the size that has strengthened LCDs on basic model product basis, makes play content numbering to show under figure (as electronic chart etc.) background, and person more convenient to use selects.The operating process and the basic model product of portable graphic audio communication planter are identical, just relate to Geographic Information System (GIS) technology and graph processing technique technically, higher to the requirement (as display unit) of device simultaneously, figure audio communication planter not only is fit to the travel on foot person, also is particularly suitable for the travelling personage who drives/go out by bike.Embodiment three:
Its extension product is based on the utility model, increase its function or combine the new product that forms with other electronic products, its feature all is to utilize numeric keypad that the audio files of storage is in advance selected to play, and principle of work is also consistent with the basic model product with process.As: increase a mini microphone, make it to become digital recording and/or reproducing apparatus, for the usefulness of people's study and amusement; Combine with GPS equipment,, extend to satnav voice leading product by the voice broadcast geography information; Combine with radio, regularly turn on radio and receive radio station and storage, and the time is selected to play to memory contents easily the user; Combine with e-commerce, palm PC, utilize voice to carry out operation indicating and content report; Combine with all kinds of household electrical appliance, become the intelligent appliance that to point out by voice etc.
Generally speaking, the above only is several preferred embodiment of the present utility model, is not to be used to limit protection domain of the present utility model.
Claims (9)
1, a kind of digital audio communication planter with numeric keypad, at least comprise central control unit, storage unit, display unit, sound processing unit, communication unit and power supply unit, central control unit links to each other with all unit, communication unit all links to each other with storage unit with sound processing unit, it is characterized in that: it also comprises a keyboard unit, this keyboard unit links to each other with central control unit, and this keyboard unit mainly comprises an above numerical key and an above function operating key.
2, the digital audio communication planter with numeric keypad according to claim 1, it is characterized in that: described numerical key and function operating key are touch-switch.
3, the digital audio communication planter with numeric keypad according to claim 1 and 2, it is characterized in that: described numerical key is 0 to 9 10 numeric keys.
4, the digital audio communication planter with numeric keypad according to claim 1 and 2, it is characterized in that: described function operating key comprises broadcast/Pause key, stop key, fast forward button, rewind key, clear key and volume key at least.
5, the digital audio communication planter with numeric keypad according to claim 1, it is characterized in that: described display unit comprises driver module and LCDs at least.
6, the digital audio communication planter with numeric keypad according to claim 1, it is characterized in that: described storage unit comprises one or more high-capacity flash memories.
7, the digital audio communication planter with numeric keypad according to claim 1 is characterized in that: described sound processing unit comprises that at least digital decoder, D/A digital to analog conversion module and dual operational amplifier constitute.
8, the digital audio communication planter with numeric keypad according to claim 1 is characterized in that: described communication unit mainly is made of USB (universal serial bus) (USB) interface.
9, the digital audio communication planter with numeric keypad according to claim 1, it is characterized in that: described power supply unit comprises a DC/DC module at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01201766 CN2463913Y (en) | 2001-01-20 | 2001-01-20 | Numerical code sound signal program-requesting machine with digital keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01201766 CN2463913Y (en) | 2001-01-20 | 2001-01-20 | Numerical code sound signal program-requesting machine with digital keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2463913Y true CN2463913Y (en) | 2001-12-05 |
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ID=33623720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01201766 Expired - Fee Related CN2463913Y (en) | 2001-01-20 | 2001-01-20 | Numerical code sound signal program-requesting machine with digital keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2463913Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852372B (en) * | 2006-05-31 | 2011-09-28 | 张燕春 | Voice communication server |
-
2001
- 2001-01-20 CN CN 01201766 patent/CN2463913Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852372B (en) * | 2006-05-31 | 2011-09-28 | 张燕春 | Voice communication server |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |