CN2588492Y - Hum sounding electronic musical instrument - Google Patents
Hum sounding electronic musical instrument Download PDFInfo
- Publication number
- CN2588492Y CN2588492Y CN 02204461 CN02204461U CN2588492Y CN 2588492 Y CN2588492 Y CN 2588492Y CN 02204461 CN02204461 CN 02204461 CN 02204461 U CN02204461 U CN 02204461U CN 2588492 Y CN2588492 Y CN 2588492Y
- Authority
- CN
- China
- Prior art keywords
- musical instrument
- circuit
- electronic musical
- hum
- audio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrophonic Musical Instruments (AREA)
Abstract
The utility model relates to a hum sounding electronic musical instrument which is composed of a microphone (1), an audio magnification circuit (2), an audio frequency shaping circuit (3), a frequency doubling and dividing processing circuit (4), an acoustic quality and envelope circuit (5), a power amplifier (6) and a loudspeaker (7). The utility model has simple structure, easy hum sounding, smooth acoustic quality, accurate pitch and extensive diapason.
Description
The utility model belongs to electronic musical instrument, is specifically related to a kind of groaning and plays electronic musical instrument.
Usually, musical instrument is all played according to phoneme, or bullet or blow or draw, and is comparatively complicated, wants to play out beautiful melody, and the player need carry out long-term study and arduous training.Along with progress of science and technology, the appearance of electronic musical instrument makes people play some musical instrument and becomes more or less freely.Mellotron particularly, it can automatic playing goes out the music of multiple musical instrument, and people can directly appreciate and needn't carry out learning arduously.But its shortcoming is also more obvious, promptly is the sensation to a kind of playback of people, makes people lose the enjoyment that participates in person and play.
For people both needn't be studied hard, can participate in person again playing, the inventor has proposed a kind of simple in structure, plays to be easy to groan and plays electronic musical instrument, makes most of people can enjoy the enjoyment that plays an instrument, this practical purpose that Here it is.
The purpose of this utility model is achieved in that
Of the present utility model groaning played electronic musical instrument and comprised Mike (1), audio amplifier circuit (2), and tone color and envelope circuit (5), power amplification circuit (6) and loudspeaker (7) are characterized in also comprising audio shaping circuitry (3) and frequency multiplication frequency division treatment circuit (4).
The audio shaping circuitry (3) of playing electronic musical instrument of groaning of the present utility model is made of integrated circuit modules Ic4001 and Ic74L00, and frequency multiplication frequency division treatment circuit (4) is made of integrated circuit modules Ic4046 and Ic4024.
The utility model is groaned the electronic musical instrument principle of playing: the sound of humming is transformed into electric signal through Mike (1), carries out shaping through audio amplifier circuit (3) again, makes it to become pulse square wave, pulse square wave has kept sound frequency information and start-stop information, thereby becomes the source of sound pulse of musical instrument, and the source of sound pulse is passed through frequency multiplication frequency division treatment circuit (4) again and carried out frequency processing, for example: take advantage of 8 to remove 1, remove 2, remove 4, remove 8, remove 16, remove 32 etc., afterwards, make it satisfy the needs of some tone color with suitable combination.The frequency multiplication frequency division also plays following effect: (one) makes the audio frequency after the processing consistent with the audio frequency range of imitation musical instrument.(2) be to make the audio frequency after the processing consistent with the music frequency that the imitation musical instrument sends.At last, the signal behind the frequency multiplication frequency division is played out from loudspeaker (7) by tone color and envelope circuit (5) and power amplification circuit (6).
Below in conjunction with description of drawings embodiment of the present utility model:
Fig. 1 is a structural circuit block diagram of the present utility model
Fig. 2 is a circuit diagram of the present utility model
Figure sound intermediate frequency amplifying circuit (1) is by computing amplifier tube A
1And A
2Constitute, audio shaping circuitry (3) is by I
C1, I
C2A, I
C2BConstitute, its specifications and models are respectively 4001,74L00, and frequency multiplication frequency division treatment circuit (4) is by integrated circuit modules I
C34046, I
C44024 and I
C54024 constitute.(5) be tone color and envelope circuit, (6) are power amplification circuit, and loudspeaker (7) is the YD-130 loudspeaker.
Of the present utility model groaning played electronic musical instrument and can be groaned the music of playing out multiple musical instrument, groans to play that convenient tone color is mellow and full freely, and tone is accurate, the range broadness.
Claims (2)
1. groan and play electronic musical instrument for one kind, comprise Mike (1), audio amplifier circuit (2), tone color and envelope circuit (5), power amplification circuit (6) and loudspeaker (7), it is characterized in that also comprising audio shaping circuitry (3) and frequency multiplication frequency division treatment circuit (4).
2. play electronic musical instrument as said groaning in the claim 1, it is characterized in that audio shaping circuitry (3) is made of integrated circuit modules Ic4001 and Ic74L00, frequency multiplication frequency division treatment circuit (4) is made of integrated circuit modules Ic4046 and Ic4024.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204461 CN2588492Y (en) | 2002-01-29 | 2002-01-29 | Hum sounding electronic musical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204461 CN2588492Y (en) | 2002-01-29 | 2002-01-29 | Hum sounding electronic musical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2588492Y true CN2588492Y (en) | 2003-11-26 |
Family
ID=33686390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02204461 Expired - Fee Related CN2588492Y (en) | 2002-01-29 | 2002-01-29 | Hum sounding electronic musical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2588492Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582257B (en) * | 2009-03-05 | 2013-08-07 | 北京中星微电子有限公司 | Breath detection method and device |
| TWI495357B (en) * | 2011-07-19 | 2015-08-01 | Mediatek Inc | Audio processing device and audio systems using the same |
-
2002
- 2002-01-29 CN CN 02204461 patent/CN2588492Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582257B (en) * | 2009-03-05 | 2013-08-07 | 北京中星微电子有限公司 | Breath detection method and device |
| TWI495357B (en) * | 2011-07-19 | 2015-08-01 | Mediatek Inc | Audio processing device and audio systems using the same |
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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 |