JP5904401B2 - 打撃検出装置 - Google Patents
打撃検出装置 Download PDFInfo
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- JP5904401B2 JP5904401B2 JP2012004145A JP2012004145A JP5904401B2 JP 5904401 B2 JP5904401 B2 JP 5904401B2 JP 2012004145 A JP2012004145 A JP 2012004145A JP 2012004145 A JP2012004145 A JP 2012004145A JP 5904401 B2 JP5904401 B2 JP 5904401B2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
- G01H1/16—Amplitude
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
- G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
- G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
- G10H3/146—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a membrane, e.g. a drum; Pick-up means for vibrating surfaces, e.g. housing of an instrument
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2230/00—General physical, ergonomic or hardware implementation of electrophonic musical tools or instruments, e.g. shape or architecture
- G10H2230/045—Special instrument [spint], i.e. mimicking the ergonomy, shape, sound or other characteristic of a specific acoustic musical instrument category
- G10H2230/251—Spint percussion, i.e. mimicking percussion instruments; Electrophonic musical instruments with percussion instrument features; Electrophonic aspects of acoustic percussion instruments, MIDI-like control therefor
- G10H2230/275—Spint drum
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
直線:y=a(x−b)
二次曲線:x=ay2+b
S字曲線:y=a(arctan(x−b))+c
円(楕円)弧と直線の組み合わせ:x<aの場合、(x−a)2+y2=a2,x≧aの場合、x=a
ただし、いずれの式についても、y≧0,a≧0,b≧0,c≧0
11 CPU(打撃検出装置の一部)
12 ROM(打撃検出装置の一部)
13 RAM(打撃検出装置の一部)
Claims (7)
- 波形の入力が開始された後の所定期間における当該波形のピークレベルを取得するピークレベル取得手段と、
前記所定期間において、前記波形の振動数を表す値を取得する値取得手段と、
前記ピークレベル取得手段により取得されたピークレベルと、前記値取得手段により取得された値とに基づいて、前記波形が打面の打撃に基づく波形であるか否かを判定する判定手段とを備え、
前記判定手段は、前記波形の振動数を表す値が、前記波形が所定の閾値以下の振動数で振動することを示す場合に、前記波形が打面の打撃に基づく波形であると判定し、前記波形の振動数を表す値が、前記波形が前記所定の閾値を超える振動数で振動することを示す場合に、前記波形が打面の打撃に基づく波形でないと判定する打撃検出装置。 - 前記判定手段は、前記ピークレベルが、第1のレベルを超える場合には、前記波形の振動数を表す値とは無関係に、前記波形が打面の打撃に基づく波形であると判定することを特徴とする請求項1に記載の打撃検出装置。
- 前記判定手段は、前記ピークレベルが、第1のレベルより小さい第2のレベル以下である場合には、前記波形の振動数を表す値とは無関係に、前記波形が打面の打撃に基づく波形でないと判定する請求項1または2に記載の打撃検出装置。
- 前記値取得手段は、前記所定期間内における前記波形がゼロクロスした回数を、前記波形の振動数を表す値として取得する請求項1から3のいずれかに記載の打撃検出装置。
- 前記値取得手段は、前記所定期間内における(前記波形のサンプリング毎の差分の絶対値を積算した値)/(前記積算区間におけるレベルのピーク値に基づく値)を、前記波形の振動数を表す値として取得する請求項1から3のいずれかに記載の打撃検出装置。
- 前記値取得手段は、ヒステリシスを持たせた前記波形のレベルの増減が反転する回数を、前記波形の振動数を表す値として取得する請求項1から3のいずれかに記載の打撃検出装置。
- 波形の入力が開始された後の所定期間において、前記波形の振動数を表す値を取得する値取得手段と、
前記波形の振動数を表す値が、前記波形が所定の閾値以下の振動数で振動することを示す場合に、前記波形が打面の打撃に基づく波形であると判定し、前記波形の振動数を表す値が、前記波形が前記所定の閾値を超える振動数で振動することを示す場合に、前記波形が打面の打撃に基づく波形でないと判定する判定手段とを備えている打撃検出装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012004145A JP5904401B2 (ja) | 2012-01-12 | 2012-01-12 | 打撃検出装置 |
US13/706,204 US9395235B2 (en) | 2012-01-12 | 2012-12-05 | Striking detection device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012004145A JP5904401B2 (ja) | 2012-01-12 | 2012-01-12 | 打撃検出装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013142860A JP2013142860A (ja) | 2013-07-22 |
JP2013142860A5 JP2013142860A5 (ja) | 2015-02-26 |
JP5904401B2 true JP5904401B2 (ja) | 2016-04-13 |
Family
ID=48779053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012004145A Active JP5904401B2 (ja) | 2012-01-12 | 2012-01-12 | 打撃検出装置 |
Country Status (2)
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---|---|
US (1) | US9395235B2 (ja) |
JP (1) | JP5904401B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6254391B2 (ja) * | 2013-09-05 | 2017-12-27 | ローランド株式会社 | 音源制御情報生成装置、電子打楽器、およびプログラム |
GB2548321B (en) * | 2016-01-26 | 2019-10-09 | Melville Wernick William | Percussion instrument and signal processor |
WO2019041273A1 (zh) * | 2017-08-31 | 2019-03-07 | 深圳市大疆创新科技有限公司 | 打击检测方法、打击检测装置及装甲小车 |
CN113188645A (zh) * | 2021-04-29 | 2021-07-30 | 深圳市工匠社科技有限公司 | 击打识别方法、装置、设备、存储介质和比赛设备 |
Family Cites Families (17)
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US3502983A (en) * | 1968-11-20 | 1970-03-24 | Bell Telephone Labor Inc | Signal peak-to-average ratio detector |
US3759085A (en) * | 1971-03-04 | 1973-09-18 | Massachusetts Inst Technology | Impact sensor and coder apparatus |
EP0076864B1 (en) * | 1981-04-20 | 1986-08-27 | Mitsubishi Denki Kabushiki Kaisha | Impact diagnosing device |
JPS62156698A (ja) * | 1985-12-27 | 1987-07-11 | シャープ株式会社 | リズム認識装置 |
US5048320A (en) * | 1986-08-28 | 1991-09-17 | Mitsui Engineering & Shipbuilding Co., Ltd. | Method and apparatus for impact-type inspection of structures |
JPH0617193Y2 (ja) * | 1987-04-14 | 1994-05-02 | 星野楽器株式会社 | 電子楽器のピツクアツプ装置 |
US4962660A (en) * | 1989-06-19 | 1990-10-16 | Westinghouse Electric Corp. | Apparatus for impact testing for electric generator stator wedge tightness |
US5438529A (en) * | 1994-01-26 | 1995-08-01 | Immersion Human Interface Corporation | Percussion input device for personal computer systems |
JP3710566B2 (ja) * | 1996-07-04 | 2005-10-26 | ローランド株式会社 | 電子打楽器装置および電子打楽器装置における打撃検出装置 |
JP3757626B2 (ja) * | 1998-06-30 | 2006-03-22 | ヤマハ株式会社 | 楽音制御用打撃操作検出装置および楽音制御信号出力装置 |
JP3911865B2 (ja) * | 1998-09-09 | 2007-05-09 | セイコーエプソン株式会社 | 音声認識装置 |
US7682237B2 (en) * | 2003-09-22 | 2010-03-23 | Ssd Company Limited | Music game with strike sounds changing in quality in the progress of music and entertainment music system |
JP2006138756A (ja) * | 2004-11-12 | 2006-06-01 | Fanuc Ltd | 衝撃検知装置 |
JP5076926B2 (ja) * | 2008-01-29 | 2012-11-21 | ヤマハ株式会社 | ドラムスティックおよび電子ドラム |
JP5245504B2 (ja) * | 2008-04-14 | 2013-07-24 | ヤマハ株式会社 | 打撃操作検出装置及び打撃操作検出プログラム |
JP2010271428A (ja) * | 2009-05-20 | 2010-12-02 | Korg Inc | 電子ドラム |
JP6254391B2 (ja) * | 2013-09-05 | 2017-12-27 | ローランド株式会社 | 音源制御情報生成装置、電子打楽器、およびプログラム |
-
2012
- 2012-01-12 JP JP2012004145A patent/JP5904401B2/ja active Active
- 2012-12-05 US US13/706,204 patent/US9395235B2/en active Active
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Publication number | Publication date |
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US9395235B2 (en) | 2016-07-19 |
JP2013142860A (ja) | 2013-07-22 |
US20130180335A1 (en) | 2013-07-18 |
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