CN1286463A - Method and device for monitoring tempo - Google Patents
Method and device for monitoring tempo Download PDFInfo
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- CN1286463A CN1286463A CN 99117059 CN99117059A CN1286463A CN 1286463 A CN1286463 A CN 1286463A CN 99117059 CN99117059 CN 99117059 CN 99117059 A CN99117059 A CN 99117059A CN 1286463 A CN1286463 A CN 1286463A
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Abstract
A tempo monitor device is composed of sound receiving unit, MCU CPU and signal output unit. Its monitor method includes receiving sound signals from object by sound receiving unit, sending them to MCU CPU, judging sound unit, calculating time value and intervals of sound signals, referring to a time value of a note, judging the domain of the notes, calculating the time value of a beat, comparing it with reference, processing result, sending it to output unit, and outputting a signal to indicate the stable state of tempo.
Description
The present invention relates to the application of microelectric technique, more particularly, relate to a kind of tempo monitoring method and device that uses the method realization of calculating length between the sound in music teaching performance technology field.
In music learning grounding, people often carry out the study and the training of beat, rhythm by metronome.In the prior art, the beat apparatus for demonstrating of various functions emerges in an endless stream, but up to the present existing metronomic weak point is: metronome is only expressed a kind of beat demonstration effect as media kit, can not be as the ruuning situation of a kind of testing tool detection and supervisory object beat, be whether beat is stable or be in step with and also need people's subjective judgement, the non-people who possesses certain beat resolving ability just can not use or independent use metronome.In other words, with regard to the metronome of prior art, timing poor, need carry out the people of beat grounding more, but make more and do not use.
The object of the present invention is to provide a kind of tempo monitoring method, use the stability state that this tempo monitoring method both can the objective detection tempo, can apply to metronome again and detect the situation whether object sound beat is in step with metronomic beat, thereby allow the people that generally has normal hearing or vision can know the stability state of the tempo of perception oneself.
The object of the present invention is to provide a kind of tempo monitoring method, this tempo monitoring method is to form by sound receiving element, MCU CPU (central processing unit) and signal output unit.
Tempo monitoring method provided by the invention is characterized in that, described sound receiving element is to be made of microphone, amplifier IC, and microphone is used to receive the object voice signal, and amplifier IC carries out processing and amplifying with the signal that receives.
Tempo monitoring method provided by the invention, it is characterized in that, described MCU unit is just judged definite sound unit with the sound that the sound receiving element receives through level signal, calculate the interval duration between each sound duration and the sound, select duration to approach a kind of note of the interval duration sum between each sound duration and the sound most, judge under each sound note category and extrapolate a duration of clapping with this, clapping duration with benchmark again compares, produce the stability state of tempo or deny the signal indication of being in step with sending signal output unit after the result treatment relatively to subsequently with metronomic beat, thus realization tempo monitoring function.
Another object of the present invention is to provide a kind of tempo monitoring device, this tempo monitoring device is to be made of sound receiving element, MCU CPU (central processing unit) and signal output unit.
Tempo monitoring device provided by the invention is characterized in that, described sound receiving element is to be made of microphone, amplifier IC, and microphone is used to receive the object voice signal, and amplifier IC carries out processing and amplifying with the signal that receives.
Tempo monitoring device provided by the invention, it is characterized in that, described MCU CPU (central processing unit) is just judged definite sound unit with the sound that the sound receiving element receives through level signal, calculate the interval duration between each sound duration and the sound, select duration to approach a kind of note of the interval duration sum between each sound duration and the sound most, judge under each sound note category and calculate the duration that each is clapped with this, clapping duration with benchmark respectively again compares, the result that will compare sends the stability state of signal output unit generation tempo after treatment to or denys the signal indication of being in step with metronomic beat subsequently, thereby realizes the tempo monitoring function.
The object of the present invention is achieved like this, constructs a kind of tempo monitoring method, and the voice signal that receives is divided into N constantly, is engaged in each arrival constantly, produces certain light or sound equipment, it is characterized in that, further comprising the steps of:
Rise constantly the 1st, display unit shows the 1st speed condition of clapping;
Rise constantly the 2nd, display unit shows the 2nd speed condition of clapping;
Rise constantly the 3rd, display unit shows the 3rd speed condition of clapping;
Rise constantly at N-1, display unit shows the speed condition that N-1 claps;
Rise in n-hour, display unit shows the speed condition that N claps;
The speed condition that described X claps can be meant that X claps the sound duration that comprised and the duration length of the duration sum between the sound;
The speed condition that described X claps can be meant that also X claps the sound duration and the duration sum between the sound that are comprised and claps the result that duration is compared with benchmark.
Described benchmark is clapped the duration of clapping that duration can be meant the metronome demonstration, also can be meant the first count of the external voice that microphone receives or the duration of a certain bat.
The result of described comparison is meant " stablizing ", " fast " or various situations such as " slow partially ", wherein " stablizes " to be meant that X claps the sound duration and the duration sum between the sound that are comprised and equates with benchmark bat duration; " fast " is meant that sound duration and the duration sum between the sound that the X bat is comprised are shorter than benchmark bat duration; " slow partially " is meant that sound duration and the duration sum between the sound that the X bat is comprised are longer than benchmark bat duration.
Light that described generation is certain and sound equipment can be meant the demonstration of LED luminotron, can be meant the demonstration of LCD display, can be meant that also the sound of acoustical generator shows, can also be meant that the combination of LED luminotron, LCD display and acoustical generator shows.
Another object of the present invention is to realize like this, construct a kind of tempo monitoring device, comprise voice signal receiving element, MCU CPU (central processing unit) and signal output unit, the voice signal that receives is divided into N constantly, be engaged in each arrival constantly, produce certain light or sound equipment, it is characterized in that, further comprising the steps of:
Rise constantly the 1st, display unit shows the 1st speed condition of clapping;
Rise constantly the 2nd, display unit shows the 2nd speed condition of clapping;
Rise constantly the 3rd, display unit shows the 3rd speed condition of clapping;
Rise constantly at N-1, display unit shows the speed condition that N-1 claps;
Rise in n-hour, display unit shows the speed condition that N claps;
The speed condition that described X claps can be meant that X claps the sound duration that comprised and the duration length of the duration sum between the sound;
The speed condition that described X claps can be meant that also X claps the sound duration and the duration sum between the sound that are comprised and claps the result that duration is compared with benchmark.
Described benchmark is clapped the duration of clapping that duration can be meant the metronome demonstration, also can be meant the first count of the external voice that microphone receives or the duration of a certain bat.
The result of described comparison is meant " stablizing ", " fast " or various situations such as " slow partially ", wherein " stablizes " to be meant that X claps the sound duration and the duration sum between the sound that are comprised and equates with benchmark bat duration; " fast " is meant that sound duration and the duration sum between the sound that the X bat is comprised are shorter than benchmark bat duration; " slow partially " is meant that sound duration and the duration sum between the sound that the X bat is comprised are longer than benchmark bat duration.
The demonstration of described display unit can be meant the demonstration of LED luminotron, can be meant the demonstration of LCD display, also can be meant the demonstration of acoustical generator, can also be meant that the combination of LED luminotron, LCD display and acoustical generator shows.
Implement tempo monitoring method of the present invention and device, have the following advantages: 1. stability state that can objective demonstration sound tempo; 2. can objective monitoring and show whether external voice beat and the beat that metronome is demonstrated are in step with; 3. can allow the people that generally has normal hearing or vision can know the stability state of the tempo of perception oneself.
Below, in conjunction with the accompanying drawings and embodiments, further specify characteristics of the present invention, in the accompanying drawing:
Fig. 1 shows the synoptic diagram of the schematic block circuit diagram of tempo monitoring embodiment of the present invention;
Fig. 2 shows a program flow diagram of tempo monitoring method of the present invention.
Realize best mode of the present invention
Fig. 1 shows the synoptic diagram of a schematic block circuit diagram of tempo monitoring device of the present invention, and (1) is microphone among the figure, is used to receive the object voice signal; (2) be signal amplification circuit; (3) be gain control circuit, be used for the voice signal gain balance; (4) be level sensitive circuit, voice signal is detected through level signal; (5) be the metronome signal input circuit, with the reference signal of metronomic beat demonstration signal as the tempo monitoring; (6) be the MCU circuit unit, according to level signal detect calculate judge sound unit, calculate interval duration between each sound duration and the sound, value parameter is judged under the current sound note category and is calculated a duration of clapping, claps duration with benchmark and compare when selecting a kind of note of the most approximate duration, after signal Processing, send result relatively to (7) sound display circuit and (8) light display circuit and make corresponding sound and light signal and export.
Fig. 2 shows a program flow diagram of tempo monitoring method of the present invention, and (9) are initialization among the figure, promptly behind the MCU electrification reset, at first carries out system initialization; (10) be that external input signal detects, (11) are that metronome produces the signal input, begin the entering signal input state when metronome starts; (12) be that level changes, when the external voice signal, produce level change beginning entering signal input state; (13) be length and computing time, calculate the time length of each sound unit according to the order of sequence one by one respectively from newly picking up counting; (14) be the judgement computing of time length and carry out the demonstration output of sound and light signal according to the result, the note type is determined in contrast according to time span and benchmark bat duration, calculate a duration of clapping and compare, again comparative result is carried out the demonstration output of sound and light signal after signal Processing with benchmark bat duration.
Claims (8)
1, a kind of tempo monitoring method of structure is divided into N constantly with the voice signal that receives, and is engaged in each arrival constantly, produces certain light or sound equipment, it is characterized in that, and is further comprising the steps of:
Rise constantly the 1st, display unit shows the 1st speed condition of clapping;
Rise constantly the 2nd, display unit shows the 2nd speed condition of clapping;
Rise constantly the 3rd, display unit shows the 3rd speed condition of clapping;
Rise constantly at N-1, display unit shows the speed condition that N-1 claps;
Rise in n-hour, display unit shows the speed condition that N claps;
2, tempo monitoring method according to claim 1, it is characterized in that, the speed condition that described X claps, can be meant that X claps the length of the duration of the sound duration comprised and the duration sum between the sound, can be meant that also X claps the result that the sound duration that comprised and the duration sum between the sound are compared with benchmark bat duration.Described benchmark is clapped the duration of clapping that duration can be meant the metronome demonstration, also can be meant the first count of the external voice that microphone receives or the duration of a certain bat.
3, tempo monitoring method according to claim 2, it is characterized in that, described X claps the sound duration and the duration sum between the sound that are comprised and claps the result that duration is compared with benchmark, be meant " stablizing ", " fast " or various situations such as " slow partially ", wherein " stablize " and be meant that X claps the sound duration and the duration sum between the sound that are comprised and equates with benchmark bat duration; " fast " is meant that sound duration and the duration sum between the sound that the X bat is comprised are shorter than benchmark bat duration; " slow partially " is meant that sound duration and the duration sum between the sound that the X bat is comprised are longer than benchmark bat duration.
4, tempo monitoring method according to claim 1, it is characterized in that, described certain light or sound equipment, can be meant the demonstration of LED luminotron, or the demonstration of LCD display, or the demonstration of the sound of acoustical generator, can be meant that also the combination of LED luminotron, LCD display and acoustical generator shows.
5, tempo monitoring method according to claim 1 a kind of tempo monitoring device of being constructed, comprise voice signal receiving element, MCU CPU (central processing unit) and signal output unit, the voice signal that receives is divided into N constantly, be engaged in each arrival constantly, produce certain light or sound equipment, it is characterized in that, further comprising the steps of:
Rise constantly the 1st, display unit shows the 1st speed condition of clapping;
Rise constantly the 2nd, display unit shows the 2nd speed condition of clapping;
Rise constantly the 3rd, display unit shows the 3rd speed condition of clapping;
Rise constantly at N-1, display unit shows the speed condition that N-1 claps;
Rise in n-hour, display unit shows the speed condition that N claps;
6, tempo monitoring device according to claim 5, it is characterized in that, the speed condition that described X claps, can be meant that X claps the length of the duration of the sound duration comprised and the duration sum between the sound, can be meant that also X claps the result that the sound duration that comprised and the duration sum between the sound are compared with benchmark bat duration.Described benchmark is clapped the duration of clapping that duration can be meant the demonstration of metronome beat, also can be meant the first count of the external voice that microphone receives or the duration of a certain bat.
7, tempo monitoring device according to claim 5, it is characterized in that, the result that sound duration that described X bat is comprised and the duration sum between the sound are compared with benchmark bat duration is meant " stablizing ", " fast " or various situations such as " slow partially ", wherein " stablizes " to be meant that X claps the sound duration and the duration sum between the sound that are comprised and equates with benchmark bat duration; " fast " is meant that sound duration and the duration sum between the sound that the X bat is comprised are shorter than benchmark bat duration; " slow partially " is meant that sound duration and the duration sum between the sound that the X bat is comprised are longer than benchmark bat duration.
8, tempo monitoring device according to claim 6, it is characterized in that, the demonstration of described display unit, can be meant the demonstration of LED luminotron, or the demonstration of LCD display, or the demonstration of the sound of acoustical generator, can be meant that also the combination of LED luminotron, LCD display and acoustical generator shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117059 CN1286463A (en) | 1999-09-01 | 1999-09-01 | Method and device for monitoring tempo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117059 CN1286463A (en) | 1999-09-01 | 1999-09-01 | Method and device for monitoring tempo |
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| CN1286463A true CN1286463A (en) | 2001-03-07 |
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| CN 99117059 Pending CN1286463A (en) | 1999-09-01 | 1999-09-01 | Method and device for monitoring tempo |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789238B (en) * | 2010-01-15 | 2012-11-07 | 东华大学 | Music rhythm extracting system based on MCU hardware platform and method thereof |
| CN112882373A (en) * | 2021-01-16 | 2021-06-01 | 深圳华泓物联技术有限公司 | Intelligent beat device and musical instrument learning assisting method |
-
1999
- 1999-09-01 CN CN 99117059 patent/CN1286463A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789238B (en) * | 2010-01-15 | 2012-11-07 | 东华大学 | Music rhythm extracting system based on MCU hardware platform and method thereof |
| CN112882373A (en) * | 2021-01-16 | 2021-06-01 | 深圳华泓物联技术有限公司 | Intelligent beat device and musical instrument learning assisting method |
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