CN101119544A - Mobile communication terminal equipped with bell tone changing function and operation method thereof - Google Patents
Mobile communication terminal equipped with bell tone changing function and operation method thereof Download PDFInfo
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- CN101119544A CN101119544A CNA2006100991989A CN200610099198A CN101119544A CN 101119544 A CN101119544 A CN 101119544A CN A2006100991989 A CNA2006100991989 A CN A2006100991989A CN 200610099198 A CN200610099198 A CN 200610099198A CN 101119544 A CN101119544 A CN 101119544A
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Abstract
The present invention discloses a mobile communication terminal setting the function of ring altering and the mode of operation, the mobile communication terminal comprises a microphone, a frequency analysis part used for analyzing the frequency characteristic of the noise data input from the microphone, a controlling part used for comparing the analyzed noise data and the frequency characteristic of the ring, and altering the frequency characteristic of the ring, and a frequency translation used for altering the frequency characteristic of the output ring according to the setting of the controlling part. According to the present invention, in the condition of having detected the incoming telegram, collecting the circumambient sound and altering the frequency characteristic of the output ring according to the frequency characteristic of the sound, the user increases the ring recognition rate when receiving the incoming telegram, thereby reducing the condition of the missed call and increasing the speaking success rate, and hereby increasing the credibility to the product and the convenience when in use.
Description
Technical field
The present invention relates to discern ambient noise and change the mobile communication terminal and the method for operation thereof of bell sound, particularly relate to a kind of mobile communication terminal and method of operation thereof that is provided with bell tone changing function.
Background technology
In general, the sub-audible sound frequency that the people can hear is 20 to 20khz, and the general frequency band that uses is about 500 to 4000hz, but may hear or be difficult to hear the sound of special frequency band easily according to each user's hearing.
Particularly, under the particular surroundingss such as factory that the noise more than a certain size continue to take place since around noise and possibly can't hear the sound of special frequency band.
The mobile communication terminal bell sound that output is set when receiving incoming call is also pointed out the user of incoming call state, but particularly under the environment such as factory, market, subway, bus stop, road limit, the user often can't hear the bell sound that comes the electricity condition correspondence of above-mentioned mobile communication terminal at the bigger environment of noise.At this moment, even the output sound of above-mentioned mobile communication terminal is set at maximum, the user also will be difficult to hear the bell sound of output owing to surrounding environment.
Thus, have the environment of more noise around or the user's that in above-mentioned environment, works situation under since around the noise that exists or noise interference and bigger reduction comes the bell sound discrimination of electricity condition correspondence and can't converse.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mobile communication terminal and method of operation thereof that is provided with bell tone changing function, in the present invention, under the situation that detects the conversation incoming call, collect sound on every side and change the frequency characteristic of the bell sound of output, thereby when receiving incoming call, improve user's bell sound discrimination according to frequency characteristic.
For achieving the above object, the mobile communication terminal that is provided with bell tone changing function among the present invention is characterized in that, includes following several sections: the microphone of the noise around being used to detect; The frequency analysis portion that the frequency characteristic of the noise data by the input of above-mentioned microphone is analyzed; The frequency characteristic of the noise data of more above-mentioned analysis and bell sound, and the control part of the frequency characteristic of the above-mentioned bell sound of change setting; The frequency conversion part that the frequency characteristic of output bell sound is changed according to the setting of above-mentioned control part.
And for achieving the above object, the method for operation of the mobile communication terminal that is provided with bell tone changing function among the present invention is characterized in that: when receiving the conversation incoming call, collect the 1st step that ambient noise is also analyzed the frequency characteristic of the noise data that receives; According to the frequency characteristic of above-mentioned noise data and the 2nd step of the frequency characteristic of the bell sound of change setting output; Go forward side by side the 3rd step of line output of the frequency characteristic that changes above-mentioned bell sound according to above-mentioned setting.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the block diagram of the structure of the mobile communication terminal among the present invention;
Fig. 2 a to Fig. 2 d is the schematic diagram of the relevant embodiment of the bell voice frequency change of the mobile communication terminal among the present invention;
Fig. 3 a to Fig. 3 d be among the present invention mobile communication terminal the schematic diagram of relevant the 2nd embodiment of frequency change;
Fig. 4 be among the present invention mobile communication terminal the schematic diagram of relevant the 3rd embodiment of frequency change;
Fig. 5 is the flow chart of the bell voice frequency variation of the mobile communication terminal among the present invention;
Fig. 6 is the flow chart of the bell tone changing frequency setting method of the mobile communication terminal among the present invention.
Wherein, Reference numeral:
10: control part 11: judging part
12: frequency setting portion 20: microphone
30: loud speaker 40: the sound equipment handling part
50: frequency analysis portion 60: frequency conversion part
70: memory 80: communication module
Embodiment
With reference to the accompanying drawings the useful embodiment among the present invention is described, Fig. 1 is the block diagram of the structure of the mobile communication terminal among the present invention; Fig. 2 is the schematic diagram of the relevant embodiment of the bell voice frequency change of the mobile communication terminal among the present invention; Fig. 3 be among the present invention mobile communication terminal the schematic diagram of relevant the 2nd embodiment of frequency change; Fig. 4 be among the present invention mobile communication terminal the schematic diagram of relevant the 3rd embodiment of frequency change.
As shown in Figure 1, the mobile communication terminal among the present invention, it includes following several sections: the microphone 20 of the noise around being used to collect; Be used to export the loud speaker 30 of the voice of reception or the sound such as ringtone of conversing; Be used for the sound equipment handling part 40 of conversion by the voice data of above-mentioned microphone 20 or loud speaker 30 input and output; To the frequency analysis portion 50 that analyzes by the noise data of above-mentioned microphone 20 inputs; The control part 10 of the frequency characteristic of the bell sound of output according to the analysis result of said frequencies analysis portion 50 and in the above-mentioned loud speaker 30 of change setting; Change the frequency characteristic of bell sound and the frequency conversion part 60 of the bell sound that output is changed according to above-mentioned setting.
And, also include in the above-mentioned mobile communication terminal: the memory 70 that is used to store a plurality of bell sounds; By the mobile radio communication transceive data and carry out the communication module 80 of voice call operation.
Detect when the above-mentioned communication module 80 of bronze drum under the situation of conversation incoming call, above-mentioned mobile communication terminal makes the bell sound of setting by above-mentioned loud speaker 30 outputs, this moment is before output bell sound, noise around will collecting by above-mentioned microphone 20, judge the bell sound that whether can identify mobile communication terminal corresponding, and will change above-mentioned bell sound with noise.
Store a plurality of bell sound datas such as conversation incoming call, message sink in the above-mentioned memory 70, and store frequency setting value based on above-mentioned control part 10.And, store in the above-mentioned memory 70 and the corresponding frequency characteristic data of above-mentioned a plurality of bell sounds, and data corresponding with fricative or specific sound and offset.
Wherein, 50 pairs of noises on every side by above-mentioned microphone 20 inputs of said frequencies analysis portion are promptly analyzed the frequecy characteristic of noise data.At this moment, the frequency band and the sound level (level) of the distribution of the sound of 50 pairs of noise datas of said frequencies analysis portion are analyzed.
In above-mentioned noise data, the fricative that the friction of above-mentioned mobile communication terminal causes does not have certain cycle, it is less and can ignore to said frequencies analysis operation influence, perhaps can collect the relevant data of above-mentioned fricative and when said frequencies is analyzed it is compensated.
Wherein, use high performance microphone as above-mentioned microphone, the sound that takes place on every side that it can detect above-mentioned mobile communication terminal is the feature of noise and imports, and particularly preferably uses omnidirectional type (Omnidirectional) microphone.
Above-mentioned omnidirectional type microphone does not have the directivity at sound input, that is, with the sound that in any direction spreads out of that receives of the orientation independent of microphone, it will have different sensitivity according to distance.
Above-mentioned control part 10 drives above-mentioned microphone 20 according to above-mentioned communication module 80 detected conversation received signals, and the noise around collecting also comes the electric bell sound according to the conversation that the feature of above-mentioned noise data changes output in the above-mentioned loud speaker 30.
At this moment, the noise data that above-mentioned control part 10 receives that above-mentioned microphone 20 detects and changes and amplify by above-mentioned sound equipment handling part 40, send above-mentioned noise data to said frequencies analysis portion 50, and will judge the feature of above-mentioned noise data according to the analysis result of said frequencies analysis portion 50.
Wherein, include in the above-mentioned control part 10: feature and the bell tone changing whether judging part 11 of judging noise data according to the analysis result of said frequencies analysis portion 50; Set the frequency setting portion 12 of the change frequency of above-mentioned bell sound according to the judged result of above-mentioned judging part 11.
The frequecy characteristic of the noise data that 11 pairs of said frequencies analysis portion 50 of above-mentioned judging part analyze is judged.
That is whether, above-mentioned judging part 11 judges whether above-mentioned noise data is the general white noise (White noise) that does not have customizing messages, be to have the noise of frequency characteristic of special frequency band or the noise that sound is distributed in a plurality of frequency bands and has a plurality of frequency characteristics.
And, the frequency characteristic of the bell sound of the frequency characteristic of above-mentioned judging part 11 more above-mentioned noise datas and when incoming call conversation output, and judge whether the frequency characteristic of the frequency characteristic of above-mentioned noise data and above-mentioned bell sound is similar.At this moment, according to the above-mentioned whether similar change of judging above-mentioned bell sound whether above-mentioned judging part 11 will be.
Wherein, be white noise (White noise) or have under the situation of the particular frequency characteristics different that above-mentioned judging part 11 will be judged as does not have similarity when above-mentioned noise with the frequency characteristic of above-mentioned bell sound.
And when above-mentioned noise data has the characteristic of a plurality of frequency bands or has under the situation with the similar frequency characteristic of above-mentioned bell sound, it is similar that 11 of above-mentioned judging parts are judged as frequency characteristic.
Wherein, will to be judged as frequency characteristic under the same frequency band of the frequency characteristic of above-mentioned noise data and above-mentioned bell sound is situation more than 50% similar for above-mentioned judging part 11.
According to the judged result of above-mentioned judging part 11, under the similar situation of frequency characteristic that is judged as above-mentioned noise data and above-mentioned bell sound, the frequency characteristic of the above-mentioned bell sound of change will be made.
Said frequencies configuration part 12 is according to the judged result of above-mentioned judging part 11, set above-mentioned bell sound change frequency setting and set above-mentioned output mode (pattern).
Promptly, less and to the identification of bell sound under the not enough situation that becomes influence, said frequencies configuration part 12 will not changed characteristic in addition and above-mentioned bell sound is exported from above-mentioned loud speaker 30 by above-mentioned sound equipment handling part 40 when judge similarity between above-mentioned noise data and the above-mentioned bell sound by above-mentioned judging part 11.
In addition, when the similar or above-mentioned noise data of frequency characteristic of above-mentioned noise data and above-mentioned bell sound has under the situation of a plurality of frequency characteristics, because this moment, the user was difficult to carry out bell sound identifying operation, the change frequency will be set in said frequencies configuration part 12 makes the frequency characteristic of above-mentioned bell sound obtain change and output.
For example, have when above-mentioned noise data under the situation of frequency characteristic of low-frequency band, said frequencies configuration part 12 will be set above-mentioned bell sound and have the frequency characteristic of high frequency band; Have when above-mentioned noise data under the situation of frequency characteristic of high frequency band, then set the change frequency and make above-mentioned bell sound have the frequency characteristic of low-frequency band.
And, have when above-mentioned noise data under the situation of a plurality of frequency characteristics, change its frequency characteristic continuously in the process that said frequencies configuration part 12 setpoint frequency characteristics and bell sound output mode are exported above-mentioned bell sound.
That is, said frequencies configuration part 12 frequency characteristic of setting the bell sounds makes its frequency characteristic take high frequency band to or take low-frequency band to from high frequency and change repeatedly and export from low frequency in the process of output.
At this moment, even the similar or above-mentioned noise data of the frequency characteristic of the frequency characteristic of above-mentioned noise data and above-mentioned bell sound has under the situation of a plurality of frequency characteristics, when the grade of above-mentioned noise data is certain value when following, said frequencies configuration part 12 will not carried out the frequency setting alter operation of bell sound in addition.
In addition, under the situation that above-mentioned bell sound changes and exports or exports from above-mentioned loud speaker 30 according to the frequency characteristic of change, if above-mentioned bell sound output back user is when the above missed call of certain hour, setting operation again will be carried out to the frequency characteristic of above-mentioned bell sound in said frequencies configuration part 12.
That is, during the above missed call of certain hour behind output bell sound, the unidentified bell sound that goes out mobile communication terminal of user will be judged as, thereby the frequency characteristic that resets above-mentioned bell sound makes it change continuously with a plurality of frequency bands.
Said frequencies transformation component 60 changes the frequency characteristic of above-mentioned bell sound according to the setting of said frequencies configuration part 12.
Under the situation of change frequency characteristic in the process that is set at above-mentioned bell sound output, said frequencies transformation component 60 will make the frequency characteristic of above-mentioned bell sound fix time with each and change, and export from above-mentioned loud speaker 30 by above-mentioned sound equipment handling part 40.
The 2 relevant embodiment of bell voice frequency change to 4 pairs of above-mentioned mobile communication terminals of accompanying drawing describe with reference to the accompanying drawings.
Shown in Fig. 2 a and Fig. 2 b, when the noise data of importing is white noise (White noise, N1), receive under the situation of frequency characteristic that bell sound (B01) that when incoming call set output has low-frequency band, it is less and do not influence the identification of bell sound that above-mentioned judging part 11 will be judged as between above-mentioned noise data and the bell sound similarity, therefore, above-mentioned bell sound (B01) will be exported by above-mentioned loud speaker 30.
At this moment, if under the situation of the above missed call of certain hour, shown in Fig. 2 c, above-mentioned frequency characteristic change setting with above-mentioned bell sound is the bell sound (B02) that high frequency band makes the output change.Perhaps, shown in Fig. 2 d, will be set at and have low-frequency band the frequency characteristic of (B01 ') and high frequency band (B02 '), and make the frequency characteristic of above-mentioned bell sound change repeatedly and export.
In addition, when the noise data (N2) by above-mentioned microphone 20 inputs has under the situation of the particular frequency characteristics shown in Fig. 3 a, shown in Fig. 3 b, be the bell sound (B11) that low-frequency band makes the output bass, or shown in Fig. 3 c, be the bell sound (B12) that high frequency band makes the output high pitch the frequency band change setting of above-mentioned bell sound with the frequency band change setting of bell sound.And, under the similar situation of grade of the sound level of above-mentioned noise data (N2) and above-mentioned bell sound, will the frequency characteristic of above-mentioned bell sound be changed.
Simultaneously, shown in Fig. 3 d, the frequency characteristic of above-mentioned bell sound is low-frequency band (B11 ') and high frequency band (B12 ') and output with change setting.
In addition, having when above-mentioned noise data under the situation of a plurality of frequency characteristics, as shown in Figure 4, is that above-mentioned bell sound has the characteristic of a plurality of frequency bands (B21 to B23) with change setting, thus the bell sound that output frequency characteristic changes continuously.
Below the as above action of the present invention of structure is described.Fig. 5 is the flow chart of the bell voice frequency variation of the mobile communication terminal among the present invention; Fig. 6 is the flow chart of the bell tone changing frequency setting method of the mobile communication terminal among the present invention.
As Fig. 5 and shown in Figure 6, when detecting the conversation incoming call (step S1), the sound around collecting also receives noise data (step S2).
Frequency characteristic and sound level to the noise data of above-mentioned input are analyzed (step S3).
At this moment, whether judge above-mentioned noise data according to the above-mentioned frequency characteristic that analyzes is the white noise (White noise) that sound is distributed in whole frequency, or be not noise data, or has the noise data of a plurality of frequency characteristics with frequency characteristic of special frequency band.
And, the frequency characteristic of the bell sound of above-mentioned frequency characteristic that analyzes and setting is compared, and judges whether above-mentioned bell sound is changed (step S4).
Wherein, more above-mentioned noise data and above-mentioned bell sound under the situation with frequency characteristic identical more than the certain value, will be judged as frequency characteristic similar and the above-mentioned bell sound of change setting.
That is,, will be judged as not have similarity when above-mentioned noise data is white noise (White noise) or has under the situation with the similar frequency characteristic of frequency characteristic of above-mentioned bell sound; Under the similar situation of frequency characteristic of the frequency characteristic of above-mentioned noise data and above-mentioned bell sound, then the frequency characteristic of above-mentioned bell sound is carried out change setting.Wherein, the situation of the frequency characteristic of preferably above-mentioned noise data and above-mentioned bell sound with frequency band identical more than 50% judges to similar.
And, have at above-mentioned noise data under the situation of frequency characteristic of a plurality of frequency bands, also will make the frequency characteristic of above-mentioned bell sound obtain change setting.
Wherein, even the frequency characteristic of above-mentioned noise data and bell sound is similar,, will change frequency characteristic in addition and export above-mentioned bell sound if the grade of above-mentioned noise data is lower than under the following situation of certain value.At this moment, preferably the grade of above-mentioned noise data is to make above-mentioned bell sound not change the setpoint frequency characteristic line output of going forward side by side under the situation below 30% of above-mentioned bell sound grade.
Under the situation that is set at the above-mentioned bell sound of change, according to setting the change frequency, and the frequency characteristic of above-mentioned bell sound is changed (step S5) according to above-mentioned setting with the comparative result of the frequency characteristic of above-mentioned noise data.
At this moment, if above-mentioned noise data has under the situation of frequency characteristic of special frequency band (step S5a), the frequency characteristic of above-mentioned bell sound is changed to the frequency band (step S5b) different with the frequency band of above-mentioned noise data.
For example, have when above-mentioned noise data under the situation of frequency characteristic of low-frequency band, the frequency bandwidth characteristics of above-mentioned bell sound is changed to high frequency band; Have when above-mentioned noise data under the situation of frequency characteristic of high frequency band, the frequency characteristic of above-mentioned bell sound is changed to low-frequency band, the frequency characteristic that maybe can be set at above-mentioned bell sound can change for a plurality of frequency bands.
And, have when above-mentioned noise data under the situation of a plurality of frequency characteristics, make it can change (step S5c) frequency characteristic of setting above-mentioned bell sound for a plurality of frequency bands.
For example, the frequency characteristic of setting above-mentioned bell sound makes it take high frequency band to or take low-frequency band to from high frequency and change continuously from low frequency.
Then, change the frequency characteristic of bell sound and export bell sound (step S6) according to above-mentioned setting.
Wherein, when being set under the situation with particular frequency characteristics, export the bell sound that carries out after changing with making; When being set under the variable situation of frequency characteristic, with its frequency characteristic of change and output continuously in the process that above-mentioned bell sound is exported.
In addition, when being set under the situation that does not change above-mentioned bell sound, output and the corresponding bell sound (step S7) of conversation incoming call will be made.
At this moment, if user (step S8) under situation about not receiving calls more than the certain hour behind the output bell sound, the frequency characteristic of the above-mentioned bell sound of change setting is also exported above-mentioned bell sound (step S5, step S6) according to the frequency characteristic of change.
Wherein, under situation,, make it for change and the output continuously of a plurality of frequency bands the frequency characteristic of the above-mentioned bell sound of change setting if the user is under situation about not receiving calls more than the certain hour behind the output bell sound according to after changing frequency characteristic output bell sound.
The effect of invention:
In the mobile communication terminal and method of operation thereof that are provided with bell tone changing function in the present invention of as above structure, under the situation that detects the conversation incoming call, sound around collecting also changes the frequency characteristic of the bell sound of output according to frequency characteristic, make the bell sound discrimination that when receiving incoming call, improves the user, thereby can reduce the situation of missed call and improve success rate of communication, and can improve thus the reliability of product and the convenience in user's use.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1. a mobile communication terminal that is provided with bell tone changing function is characterized in that, includes following several sections:
The microphone of the noise around being used to detect;
The frequency analysis portion that the frequency characteristic of the noise data by the input of above-mentioned microphone is analyzed;
Compare the noise data of said frequencies analysis portion analysis and the frequency characteristic of bell sound, and the control part of the frequency characteristic of the above-mentioned bell sound of change setting;
The frequency conversion part that the frequency characteristic of output bell sound is changed according to the setting of above-mentioned control part.
2. the mobile communication terminal that is provided with bell tone changing function according to claim 1 is characterized in that, the said frequencies analysis portion is used to analyze the frequency characteristic and the sound level of noise data.
3. the mobile communication terminal that is provided with bell tone changing function according to claim 1 is characterized in that, includes in the above-mentioned control part:
The frequency characteristic of the noise data of more above-mentioned analysis and set the frequency characteristic of bell sound, and judge the judging part whether frequency characteristic of above-mentioned bell sound changes;
Set the change frequency of above-mentioned bell sound and set the frequency setting portion of the output mode of above-mentioned bell sound.
4. the mobile communication terminal that is provided with bell tone changing function according to claim 3, it is characterized in that, when the similar or above-mentioned noise data of frequency characteristic of above-mentioned noise data and above-mentioned bell sound has under the situation of a plurality of frequency characteristics, above-mentioned judgement section judges changes the frequency characteristic of above-mentioned bell sound.
5. the mobile communication terminal that is provided with bell tone changing function according to claim 3 is characterized in that, the frequency characteristic that above-mentioned bell sound is set in the said frequencies configuration part makes it have different frequency characteristics with the frequency characteristic of above-mentioned noise data.
6. the mobile communication terminal that is provided with bell tone changing function according to claim 3 is characterized in that, the frequency characteristic that above-mentioned bell sound is set in the said frequencies configuration part makes it can change output for a plurality of frequency bands.
7. a method of operation that is provided with the mobile communication terminal of bell tone changing function is characterized in that, includes following several steps:
When receiving the conversation incoming call, collect the 1st step that ambient noise is also analyzed the frequency characteristic of the noise data that receives;
According to the frequency characteristic of above-mentioned noise data and the 2nd step of the frequency characteristic of the bell sound of change setting output;
Go forward side by side the 3rd step of line output of the frequency characteristic that changes above-mentioned bell sound according to above-mentioned setting.
8. the method for operation that is provided with the mobile communication terminal of bell tone changing function according to claim 7, it is characterized in that, also include: under situation about not receiving calls through certain hour behind the output bell sound, set the frequency characteristic of above-mentioned bell sound and the step that changes again.
9. the method for operation that is provided with the mobile communication terminal of bell tone changing function according to claim 7 is characterized in that, includes in above-mentioned the 2nd step:
The frequency characteristic of more above-mentioned noise data and above-mentioned bell sound is also judged bell tone changing whether the 1st process;
The frequency characteristic of the above-mentioned bell sound of change setting makes its 2nd process different with the frequency characteristic of above-mentioned noise data.
10. the method for operation that is provided with the mobile communication terminal of bell tone changing function according to claim 9, it is characterized in that, in above-mentioned the 1st process, when the similar or above-mentioned noise data of frequency characteristic of above-mentioned noise data and above-mentioned bell sound has under the situation of a plurality of frequency characteristics, the frequency characteristic of above-mentioned bell sound is changed.
11. the method for operation that is provided with the mobile communication terminal of bell tone changing function according to claim 9, it is characterized in that, in above-mentioned the 1st process, when above-mentioned noise data is white noise or has under the situation of the frequency characteristic different with above-mentioned bell sound, do not change frequency characteristic in addition and export above-mentioned bell sound.
12. the method for operation that is provided with the mobile communication terminal of bell tone changing function according to claim 9 is characterized in that, in above-mentioned the 2nd process, the frequency characteristic that changes above-mentioned bell sound makes it have the frequency characteristic that can change for a plurality of frequency bands.
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| CNA2006100991989A CN101119544A (en) | 2006-08-02 | 2006-08-02 | Mobile communication terminal equipped with bell tone changing function and operation method thereof |
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| CNA2006100991989A CN101119544A (en) | 2006-08-02 | 2006-08-02 | Mobile communication terminal equipped with bell tone changing function and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8050926B2 (en) | 2007-08-28 | 2011-11-01 | Micro-Star Int'l Co., Ltd | Apparatus and method for adjusting prompt voice depending on environment |
| CN104954539A (en) * | 2014-03-25 | 2015-09-30 | 联想(北京)有限公司 | Information processing method and electric device |
-
2006
- 2006-08-02 CN CNA2006100991989A patent/CN101119544A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8050926B2 (en) | 2007-08-28 | 2011-11-01 | Micro-Star Int'l Co., Ltd | Apparatus and method for adjusting prompt voice depending on environment |
| CN104954539A (en) * | 2014-03-25 | 2015-09-30 | 联想(北京)有限公司 | Information processing method and electric device |
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