CN201876878U - Electronic dictionary with Chinese voice lookup function - Google Patents
Electronic dictionary with Chinese voice lookup function Download PDFInfo
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- CN201876878U CN201876878U CN201020655239XU CN201020655239U CN201876878U CN 201876878 U CN201876878 U CN 201876878U CN 201020655239X U CN201020655239X U CN 201020655239XU CN 201020655239 U CN201020655239 U CN 201020655239U CN 201876878 U CN201876878 U CN 201876878U
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- circuit
- electronic dictionary
- processing circuit
- chinese
- voice
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Abstract
The utility model discloses an electronic dictionary with a Chinese voice lookup function, which supports the voice lookup function besides Pinyin lookup and stroke lookup functions. The electronic dictionary comprises a display screen, a microprocessor, a memory, a loudspeaker and a keyboard which are connected through a circuit. The electronic dictionary is characterized in that the electronic dictionary additionally comprises a microphone and an audio processing circuit, the microphone is connected with the audio processing circuit and the audio processing circuit is in data connection with the microprocessor. Compared with the prior art, the electronic dictionary with the Chinese voice lookup function has the advantages that voice information can be converted into codes which can be looked up, Chinese characters can be looked up even through the Chinese characters cannot be correctly spelt in Pinyin and written out, the voice identification accuracy is high, the electronic dictionary is simple, convenient and feasible to operate and the practicability is high.
Description
[technical field]
The utility model relates to a kind of e-dictionary, particularly a kind of e-dictionary that can carry out the Chinese speech inquiry.
[background technology]
Strengthening the Chinese promotion in the international market is the objective requirement that further develops China and people of other countries' friendly exchanges, satisfies overseas learning Chinese hope, it is an urgent demand that strengthens China's cultural influence power, improves national soft power, be to establish the good international image of China, safeguarding the inevitable requirement of world civilization diversity, establishment of a harmonious world, also is the strategic measure that China uses for reference international language promotion experience, raising Chinese international status.The most frequently used electronic product of language learning is exactly an e-dictionary, the e-dictionary inquiry has two kinds of schemes, a kind of is pinyin queries, but because Chinese and english belongs to the different family of languageies, first consonant system of female phonetic system of the sound of Chinese and English differs widely, hear some new words during the foreigners learning Chinese, can not carry out the phonetic spelling accurately and inquire about; Another kind of mode is the stroke inquiry, owing to be only to know that more difficult the accomplishing of general pronunciation correctly write.The e-dictionary that can inquire about by voice is not arranged in the market.
[summary of the invention]
Technical assignment of the present utility model is at above the deficiencies in the prior art, and a kind of e-dictionary with Chinese speech query function is provided, and can also inquire about by voice except phonetic and stroke inquiry.
The technical scheme in the invention for solving the technical problem is: a kind of e-dictionary with Chinese speech query function, comprise display screen, microprocessor, storer, loudspeaker, keyboard that circuit is connected, it is characterized in that: also comprise microphone, audio frequency processing circuit, microphone is connected with audio frequency processing circuit, and audio frequency processing circuit is connected with microprocessor data.
Above-mentioned audio frequency processing circuit comprises buffer amplifier circuit, pre-process amplifying circuit and controlled gain adjustment circuit.
It is automatic gain control circuit that above-mentioned controlled gain is adjusted circuit.
Above-mentioned controlled gain is adjusted circuit and is comprised keyswitch and the damping resistance that is connected with its contact.
Compared with prior art, the utlity model has following outstanding beneficial effect:
1, voice messaging is converted into inquires about coding, even phonetic that can not be correct spelling and write also and can inquire about;
2, audio frequency processing circuit is handled voice signal, suppresses noisy neighbourhood noise and avoids distortion, improves the speech recognition accuracy rate;
3, easy to operation, practical.
[description of drawings]
Fig. 1 is a structural representation block diagram of the present utility model.
[embodiment]
Below in conjunction with specification drawings and specific embodiments the utility model is further specified.
As shown in Figure 1, the utility model comprises display screen, microprocessor, storer, loudspeaker, keyboard, microphone, the audio frequency processing circuit that circuit is connected.
Wherein: microphone is connected with audio frequency processing circuit, and audio frequency processing circuit is connected with microprocessor data.Audio frequency processing circuit comprises buffer amplifier circuit, pre-process amplifying circuit and controlled gain adjustment circuit.It is automatic gain control circuit that controlled gain is adjusted circuit, adopts the electronics mode, and ride gain is adjusted the gain of circuit.Controlled gain is adjusted circuit and is comprised keyswitch and the damping resistance that is connected with its contact, described keyswitch double-pole double site type keyswitch K.Judge ambient conditions by the operator, adopt the open and close of manual adjustment K switch,, adapt to the needs of varying environment to be switched on or switched off damping resistance, and simple in structure, suitable.
During use, the Chinese studying person presses close to microphone and roars word or the speech that will inquire about, and voice are imported through buffering amplification, preposition noise reduction from microphone.The user can open or close according to current environmental selection keyswitch, and selector switch is not closed house during quiet environment, and attenuator circuit is not worked, and signal directly enters microprocessor; Loud environment selector switch closure, attenuator circuit is started working, signal is adjusted circuit via controlled gain and is entered microprocessor and carry out analog to digital conversion and retrieve in storer, result according to comparison, can obtain or information similar consistent, and carry out corresponding action by microprocessor with voice command.
Need to prove; particular of the present utility model is described in detail the utility model; for a person skilled in the art, in the various conspicuous change of under the situation that does not deviate from spirit and scope of the present utility model it being carried out all within protection domain of the present utility model.
Claims (4)
1. e-dictionary with Chinese speech query function, comprise display screen, microprocessor, storer, loudspeaker, keyboard that circuit is connected, it is characterized in that: also comprise microphone, audio frequency processing circuit, microphone is connected with audio frequency processing circuit, and audio frequency processing circuit is connected with microprocessor data.
2. the e-dictionary with Chinese speech query function according to claim 1 is characterized in that described audio frequency processing circuit comprises buffer amplifier circuit, pre-process amplifying circuit and controlled gain adjustment circuit.
3. the e-dictionary with Chinese speech query function according to claim 2 is characterized in that it is automatic gain control circuit that described controlled gain is adjusted circuit.
4. according to claim 2 or 3 described e-dictionaries, it is characterized in that described controlled gain adjustment circuit comprises keyswitch and the damping resistance that is connected with its contact with Chinese speech query function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020655239XU CN201876878U (en) | 2010-12-03 | 2010-12-03 | Electronic dictionary with Chinese voice lookup function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020655239XU CN201876878U (en) | 2010-12-03 | 2010-12-03 | Electronic dictionary with Chinese voice lookup function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201876878U true CN201876878U (en) | 2011-06-22 |
Family
ID=44164792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020655239XU Expired - Fee Related CN201876878U (en) | 2010-12-03 | 2010-12-03 | Electronic dictionary with Chinese voice lookup function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201876878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831719A (en) * | 2019-02-26 | 2019-05-31 | 深圳市美恩微电子有限公司 | A kind of microphone preamplifier circuit trimmed with gain |
-
2010
- 2010-12-03 CN CN201020655239XU patent/CN201876878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831719A (en) * | 2019-02-26 | 2019-05-31 | 深圳市美恩微电子有限公司 | A kind of microphone preamplifier circuit trimmed with gain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20111203 |