CN101376064A - Playable music player - Google Patents
Playable music player Download PDFInfo
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- CN101376064A CN101376064A CNA2007100767598A CN200710076759A CN101376064A CN 101376064 A CN101376064 A CN 101376064A CN A2007100767598 A CNA2007100767598 A CN A2007100767598A CN 200710076759 A CN200710076759 A CN 200710076759A CN 101376064 A CN101376064 A CN 101376064A
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- music player
- volume control
- control signal
- microphone
- player
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Abstract
A playable music player comprises a loudspeaker, at least a press key, a processor, a memory, an audio frequency playing unit and a power source. The player further comprises a microphone, a signal magnifying unit, a sampling unit and an analog-digital converter. The player comprises a common operational mode and a performing operational mode. In the common operational mode, the player plays stored music while in the operational mode, the output music volume of the loudspeaker is controlled according to the airflow strength detected by the microphone. The player stops playing music when the microphone detects no airflow.
Description
Technical field
The present invention relates to a kind of Playable music player, relate in particular to the Playable music player that a kind of tool detects current rate.
Background technology
In recent years, many toys all have the function of music player, can play the melody of one or more tunes.Saxophone for example, wind instrument toys such as Mo Guan are installed a music player in the housing of this kind wind instrument toy, as long as the user presses switch, this music player can be play tunes such as saxophone or Mo Guan.Though the application of this kind music player on toy increased the interest of toy to a certain extent.But, user's player of really not performing music, the current rate that tune that this kind music player is play and volume are not blown by the user is yet controlled, therefore, the user can not the simulative tube musical instrument performance, the wind instrument toy of using this kind music player so just can not be attracted to more consumers.The day for announcing is June 13 calendar year 2001, and application number is 00250340 Chinese patent, disclose a kind of toy sounding control device, and this utility model has solved the problem of the performance that the user can not the simulative tube musical instrument.
Fig. 1 is the longitudinal sectional view that an existing sounding control module is implemented on toy.Fig. 2 is existing sounding control module user mode action schematic diagram.Control module 10 is placed the position (as shown in Figure 1) of toy case 30 blowing nozzles 31, and 31 of the air guide port 100 that makes control module 10 and blow guns form with a wireway 32 and are connected, at that time usefulness person towards blowing nozzle 31 to toy case 30 is inner when blowing, gas A can import in the control module 10 (as shown in Figure 1) via wireway 32, and via the gas A that imports in the control module 10, promote pneumatic plate 13 towards spring leaf 16 side oscillations (as shown in Figure 2), pneumatic plate 13 is in spring leaf 16 side oscillations, the shield 14 that can drive between optical transmitting set 20 and optical receiver 21 is swung around pivot 15, and shield 14 is left between optical transmitting set 20 and the wide receiver 21.Optical receiver 21 receives the optical information that optical transmitting sets 20 produce, and exports one and control signal to Music Clip (figure does not show), and this Music Clip sends the music and the sound according to described control information.The utility model is the swing that utilizes pneumatic plate 13, controls the light-receiving range size (as shown in Figure 2) that shield 14 covers optical receiver 21.User's intensity of blowing is little, the amplitude of then pneumatic plate 13 swings is less relatively, the scope that shield 14 covers is bigger, the optical information that optical receiver receives a little less than, user's intensity of blowing is big, the amplitude of then pneumatic plate 13 swings is relatively large, the scope that shield 14 covers is less, the optical information that optical receiver receives is stronger, gives described Music Clip thereby produce different control signals, makes it send the different music and the sound.Yet, use this wind instrument toy for a long time, can cause the elasticity of the spring leaf 16 of these sounding control module 10 employings to die down, thus the sensitivity that influence detects.In addition, the pneumatic plate 13 of selection, the material of shield 14 and spring leaf 16 also may influence the sensitivity of detection.
Based on above problem, be necessary to invent a kind of Playable music player, with the performance of simulative tube musical instrument.
Summary of the invention
A kind of Playable music player comprises that at least one button and loudspeaker are used to export a sound, and the electric energy that provides Playable music player required, a processor, a memory and an audio playing unit are provided a power supply.Described memory stores one level value, volume control signal tabulation, described tabulation defines the corresponding relation of a plurality of level values and a plurality of volume control signals.Described player also comprises a microphone, a signal amplification unit, a sampling unit and an analog-digital converter.Described player comprises normal mode of operation and plays mode of operation.
Pressing keys makes described player enter the performance mode of operation.Playing under the mode of operation, when the user blows by valve, described microphone is subjected to the blow influence of intensity of user to produce the analog electrical signal of a correspondence, described signal amplification unit is with described analog electrical signal amplification and input to described sampling unit, the described sampling unit described analog electrical signal of sampling, and export an analog sampling level signal to described analog-digital converter.Described analog-digital converter is converted to the digital sample level value with described analog sampling level signal.Described processor receives described digital sample level value, and inquires about described level value, and the volume control signal tabulation is exported a volume control signal to described audio playing unit according to Query Result.Described audio playing unit is controlled the volume of the music of described loudspeaker output according to described volume control signal.
When described player did not detect air-flow, described player stopped outputting music.
The repeated presses button makes described player enter normal mode of operation.Under the normal mode of operation, the music of described player normal play storage.Can also select the tune of the music that the user likes by operating described button.
The present invention's advantage is, described Playable music player can accurately detect the intensity that the user blows, and according to the volume of the music of the described loudspeaker output of the air blowing strength control that detects, thus the playing wind instruments of simulative tube musical instrument.
Description of drawings
Fig. 1 is the longitudinal sectional view that an existing sounding control module is implemented on toy.
Fig. 2 is existing sounding control module user mode action schematic diagram.
Fig. 3 is the structure chart of Playable music player preferred embodiment of the present invention.
Fig. 4 for Playable music player of the present invention the hardware Organization Chart.
Fig. 5 is a level value, the volume control signal tabulation of Playable music player of the present invention.
The specific embodiment
See also Fig. 3, Fig. 3 is the structure chart of Playable music player preferred embodiment of the present invention.Described Playable music player 80 has a housing 5, and described housing 5 can be made various musical instrument shapes, and in embodiments of the present invention, described housing 5 is shaped as example with saxophone's musical instrument the present invention is described.Described Playable music player 80 comprises a microphone 1, a circuit board 2, loudspeaker 3 and at least one button 4.Described microphone 1 places in the described housing 5 and near described valve 6 places, and the intensity-conversion that is used for air-flow 8 that user 7 is blown is an analog electrical signal.Described circuit board 2 places in the described housing 5.Described loudspeaker 3 place the sound output of described housing 5.Described button 4 places on the described housing 5, is used to select the mode of operation of described Playable music player 80, and described mode of operation comprises normal mode of operation and plays mode of operation.Described button 4 can also be used to select the tune of the music that the user likes.Playing under the mode of operation, user 7 is blown into air-flow 8 by described valve 6 in housing 5, described microphone 1 detects described air-flow 8 and obtains an analog electrical signal, and described circuit board 2 is handled described analog electrical signal and exported the size that a volume control signal is controlled the volume of described loudspeaker 3 outputting musics.The air-flow 8 that user 7 is blown into is strong more, and the volume of described loudspeaker 3 outputting musics is also just high more.Therefore, the variation of the current rate that is blown into user 7 of the volume of the music of described Playable music player 80 outputs changes.
Under normal mode of operation, the music of described Playable music player 80 normal play storage.
The hardware Organization Chart of Fig. 4 Playable music player 80 of the present invention.Described circuit board 2 is connected to described microphone 1, loudspeaker 3 and described button 4.Described circuit board 2 comprises that a signal amplification unit 201 is electrically connected on the output that described microphone 1, one sampling unit 202 is electrically connected on described signal amplification unit 201, and an analog-digital converter 203 is connected in the output of described sampling unit 202; One processor 204 is connected in described analog-digital converter 203, one memories 205 and connects and described processor 204; Between 206 connections of one audio playing unit and described processor 204 and the described loudspeaker 3.One power supply 207 connects and described circuit board 2 is used to described player 80 that electric energy is provided.Described button 4 connects the tune that is used to select the duty and the music that the user likes of described player 80 with described processor 204.
Fig. 5 is a level value, volume control signal tabulation.Described tabulation defines the corresponding relation of a plurality of level values and a plurality of volume control signals.A plurality of level values described in the present embodiment exemplify the corresponding different respectively current rate into V1, V2, V3, V4; Described a plurality of volume control signal exemplifies the corresponding different respectively level value into S1, S2, S3, S4.When the level value signal that detects was V1, corresponding volume control signal was S1; When the level value signal that detects was V2, corresponding volume control signal was S2; When the level value signal that detects was V3, corresponding volume control signal was S3; When the level value signal that detects was V4, corresponding volume control signal was S4.For example, playing under the mode of operation, the Strength Changes of the air-flow 8 that is blown into user 7, the digital sample level value that processor 204 receives is V, and inquires about level value, the volume control signal tabulation 50 of storage in the described memory 205.If digital sample level value V equals V1, then processor 204 reads corresponding volume control signal S1 to audio playing unit 206, and audio playing unit 206 is controlled the volume of the music of described loudspeaker 3 outputs according to volume control signal S1.Similarly, if digital sample level value V equals V2, then processor 204 reads corresponding volume control signal S2 to audio playing unit 206, and audio playing unit 206 is controlled the volume of the music of described loudspeaker 3 outputs according to volume control signal S2; If digital sample level value V equals V3, then processor 204 reads corresponding volume control signal S3 to audio playing unit 206, and audio playing unit 206 is controlled the volume of the music of described loudspeaker 3 outputs according to volume control signal S3; If digital sample level value V equals V4, then the volume control signal S4 of processor 204 output correspondences is to audio playing unit 206, and audio playing unit 206 is controlled the volume of the music of described loudspeaker 3 outputs according to volume control signal S4.
User 7 can also make described player 80 enter normal mode of operation by operation push-button 4.Because the normal mode of operation of described player 80 is not an emphasis of the present invention, is not described in detail so do not do.
Therefore, adopt with upper type, Playable music player can accurately detect the current rate that the user blows, and according to the volume of testing result control loudspeaker outputting music, with the performance of simulative tube musical instrument.
Claims (7)
1. Playable music player, comprise a processor, an audio playing unit and loudspeaker, it is characterized in that, described player also comprises a microphone, be used to detect current rate, described microphone detects current rate, the current rate output one corresponding volume control signal that described processor detects according to described microphone, and described audio playing unit is controlled the volume of the music of described loudspeaker output according to the volume control signal of described processor output.
2. Playable music player as claimed in claim 1 is characterized in that described music player is the musical instrument shape, and has a valve.
3. Playable music player as claimed in claim 2 is characterized in that, described microphone is positioned at described valve place.
4. a Playable music player comprises that loudspeaker are used to export a sound, and the electric energy that provides Playable music player required is provided a power supply, and a processor, an audio playing unit is characterized in that, described Playable music player also comprises:
One microphone is used for current rate is converted to analog electrical signal;
One signal amplification unit is used to amplify the analog electrical signal of described microphone output;
One sampling unit, the analog electrical signal of the described microphone generating that is used to sample also obtains an analog sampling level signal;
One analog-digital converter is used for described analog sampling level signal is converted to the digital sample level value;
Described processor produces a volume control signal according to described digital sample level value, and described audio playing unit is controlled the volume of the music of described loudspeaker output according to described volume control signal.
5. Playable music player as claimed in claim 4, it is characterized in that, comprise that also a memory stores has a level value, the volume control signal tabulation, the corresponding relation of described level value-volume control signal tabulation a plurality of level values of definition and a plurality of volume control signals, described processor receives described digital sample level value, and inquire about the described level value of storing in the described memory, the volume control signal tabulation, described processor is exported a volume control signal according to Query Result, and described audio playing unit is controlled the volume of the music of described loudspeaker output according to described volume control signal.
6. Playable music player as claimed in claim 4 is characterized in that described music player is the musical instrument shape, and has a valve.
7. Playable music player as claimed in claim 6 is characterized in that, described microphone is positioned at described valve place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100767598A CN101376064A (en) | 2007-08-31 | 2007-08-31 | Playable music player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100767598A CN101376064A (en) | 2007-08-31 | 2007-08-31 | Playable music player |
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| Publication Number | Publication Date |
|---|---|
| CN101376064A true CN101376064A (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100767598A Pending CN101376064A (en) | 2007-08-31 | 2007-08-31 | Playable music player |
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| CN (1) | CN101376064A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884844A (en) * | 2010-06-04 | 2010-11-17 | 苏州工业园区易亚影视传媒有限公司 | Desktop stage theatre |
| WO2015165066A1 (en) * | 2014-04-30 | 2015-11-05 | 吉瑞高新科技股份有限公司 | Electronic cigarette and electronic cigarette operating method |
-
2007
- 2007-08-31 CN CNA2007100767598A patent/CN101376064A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884844A (en) * | 2010-06-04 | 2010-11-17 | 苏州工业园区易亚影视传媒有限公司 | Desktop stage theatre |
| CN101884844B (en) * | 2010-06-04 | 2012-12-19 | 苏州工业园区易亚影视传媒有限公司 | Desktop stage theatre |
| WO2015165066A1 (en) * | 2014-04-30 | 2015-11-05 | 吉瑞高新科技股份有限公司 | Electronic cigarette and electronic cigarette operating method |
| CN107105769A (en) * | 2014-04-30 | 2017-08-29 | 吉瑞高新科技股份有限公司 | A kind of electronic cigarette and electronic cigarette method of work |
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Open date: 20090304 |