JP2015225303A5

JP2015225303A5 -

Info

Publication number: JP2015225303A5
Application number: JP2014111550A
Authority: JP
Filing date: 2014-05-29
Publication date: 2017-06-29
Anticipated expiration: 2034-05-29

Description

態様の一例では、複数種の吹奏センサそれぞれから出力されるセンサ出力値の組を取得する取得手段と、前記複数種の吹奏センサそれぞれに対応するセンサ対応値の組を記憶している記憶手段と、前記取得手段により取得された前記センサ出力値の組と、前記記憶手段に記憶された前記センサ対応値の組とを比較する比較手段と、前記比較手段の比較結果に基づいて、吹奏演奏に係る制御を行う制御手段と、を有する。 In an example of the aspect, an acquisition unit that acquires a set of sensor output values output from each of a plurality of types of wind sensors, and a storage unit that stores a set of sensor corresponding values corresponding to each of the plurality of types of wind sensors; Based on the comparison result of the comparison means, the comparison means for comparing the set of sensor output values acquired by the acquisition means with the set of sensor corresponding values stored in the storage means, Control means for performing such control .

図３は、図１および図２に示される電子楽器の機能ブロック図である。この電子楽器は、複数のパラメータに基づいて音響信号を演算して発生する音源手段３０５（図１のＷＡＶＥ音源１０８に対応する）を備える。吹奏数値化手段３０１（図１のセンサ群１０４に対応する）は、吹き込み圧、舌の動き、唇の位置、噛み圧、音声などを例とする複数の吹奏演奏を数値化し、その複数の数値化された信号を特徴量とする特徴ベクトルを生成する。パターン認識手段３０２（図１のＣＰＵ１０１、ＲＯＭ１０２、およびＲＡＭ１０３に対応する）は、吹奏演奏に関する複数の演奏パターンのそれぞれについてその演奏パターンに対応する代表特徴ベクトルを記憶し、吹奏時に吹奏数値化手段３０１が生成した特徴ベクトルと演奏パターンごとの代表特徴ベクトルのそれぞれとを比較することにより、その比較結果に基づいて音源手段３０５における複数のパラメータを制御する。提示手段３０３（図１の提示装置１１１に対応する）は、吹奏時に吹奏数値化手段３０１が生成した特徴ベクトルと手本となる演奏パターンの代表特徴ベクトルとの距離を算出し、当該距離に基づいて吹奏時の演奏が手本となる演奏パターンとどの程度相違しているかを吹奏者に提示する。物理モデル手段３０４は、吹奏時に吹奏数値化手段３０１が出力する複数の数値化された信号を外部入力として、振動可能な振動体を模式化した物理モデルを振動させ、その振動に基づいて音源手段３０５における複数のパラメータを制御する。 FIG. 3 is a functional block diagram of the electronic musical instrument shown in FIGS. 1 and 2. This electronic musical instrument includes sound source means 305 (corresponding to the WAVE sound source 108 in FIG. 1) that generates an acoustic signal based on a plurality of parameters. The wind digitizing means 301 (corresponding to the sensor group 104 in FIG. 1) digitizes a plurality of wind performances such as blowing pressure, tongue movement, lip position, biting pressure, voice, etc. A feature vector having the converted signal as a feature amount is generated. The pattern recognition unit 302 (corresponding to the CPU 101, the ROM 102, and the RAM 103 in FIG. 1) stores a representative feature vector corresponding to the performance pattern for each of a plurality of performance patterns related to the wind performance, and performs the numerical value calculation unit 301 at the time of playing. Are compared with the representative feature vectors for each performance pattern, thereby controlling a plurality of parameters in the sound source means 305 based on the comparison result. The presentation unit 303 (corresponding to the presentation device 111 in FIG. 1) calculates the distance between the feature vector generated by the brass digitizing unit 301 at the time of playing and the representative feature vector of the performance pattern serving as a model, and based on the distance. And how much the performance at the time of playing differs from the playing pattern that serves as an example is presented to the playing player. The physical model means 304 vibrates a physical model that schematically represents a vibrating body that can be vibrated by using a plurality of digitized signals output from the sound digitizing means 301 at the time of playing as external inputs, and based on the vibration, a sound source means A plurality of parameters at 305 are controlled.

Claims

Acquisition means for acquiring a set of sensor output values output from each of the plurality of types of wind sensors;
Storage means for storing a set of sensor corresponding values corresponding to each of the plurality of types of wind sensors;
Comparison means for comparing the set of sensor output values acquired by the acquisition means with the set of sensor corresponding values stored in the storage means;
Based on the comparison result of the comparison means, control means for performing control related to the wind performance,
An electronic musical instrument characterized by comprising:

The control means controls sound generation when the set of sensor output values is acquired by the acquisition means based on the comparison result of the comparison means.
The electronic musical instrument according to claim 1.

The control means performs control for notifying information based on a comparison result of the comparison means.
The electronic musical instrument according to claim 1 or 2, wherein

The storage means stores a correspondence relationship between the set of sensor correspondence values and a wind pattern,
The control means specifies a wind pattern by a wind performance when the set of sensor output values is acquired by the acquisition means based on the comparison result of the comparison means, and generates sound based on the specified wind pattern To control the
The electronic musical instrument according to any one of claims 1 to 3, wherein

The storage means stores a correspondence relationship between the set of sensor correspondence values and waveform data,
The control means specifies waveform data of a musical sound to be generated when the sensor output value set is acquired by the acquisition means based on the comparison result of the comparison means, and based on the specified waveform data To control pronunciation,
The electronic musical instrument according to any one of claims 1 to 4, wherein

It further comprises setting means for setting one of the learning mode and the performance mode.
When the learning mode is set, the control unit causes the storage unit to store the set of sensor output values acquired by the acquisition unit as the set of sensor corresponding values,
When the performance mode is set, control related to the wind performance is performed using the set of sensor corresponding values stored in the storage unit.
An electronic musical instrument according to any one of claims 1 to 5, wherein

The control means controls at least one of a plurality of parameters of a musical sound to be generated by a sound source based on a comparison result of the comparison means;
The electronic musical instrument according to any one of claims 1 to 6,

Further comprising generating means for generating a feature vector having each sensor output value as a feature amount from the set of sensor output values acquired by the acquiring means,
The storage means stores a correspondence relationship between a representative feature vector, which is a set of sensor corresponding values corresponding to a predetermined wind pattern, and the wind pattern,
The comparing means compares a distance between vectors for the feature vector generated by the generating means and the representative feature vector specified by the specifying means;
The control means, based on the proximity of the distance between the vectors compared by the comparison means, the playing pattern by the performance when the set of sensor output values is acquired by the acquisition means corresponds to the representative feature vector Specify whether or not it is a blowing pattern
The electronic musical instrument according to claim 4.

The storage means stores a set of sensor correspondence values corresponding to each of a plurality of types of wind patterns,
The comparison means compares the set of sensor output values acquired by the acquisition means with a plurality of sets of sensor corresponding values stored in the storage means,
The control means specifies, based on the comparison result of the comparison means, a wind pattern by a wind performance when the set of sensor output values is acquired by the acquisition means from the plurality of types of wind patterns, Control pronunciation based on the specified wind pattern,
The electronic musical instrument according to claim 4.

The storage means stores a set of sensor corresponding values corresponding to each of a plurality of types of wind patterns, and stores pronunciation information corresponding to each of the plurality of types of wind patterns,
The comparison means compares the set of sensor output values acquired by the acquisition means with a plurality of sets of sensor corresponding values stored in the storage means,
The control means weights the pronunciation information for each of the plurality of types of wind patterns based on the comparison result of the comparison means, and controls pronunciation based on the weighted pronunciation information.
The electronic musical instrument according to claim 4.

The storage means stores a plurality of representative feature vectors corresponding to each of the plurality of types of wind patterns, and stores a wind waveform corresponding to each of the plurality of wind patterns,
The comparison unit calculates a distance between vectors for the feature vector generated by the generation unit and the plurality of representative feature vectors, and sets the distance to the wind waveform corresponding to each representative feature vector. Weigh in inverse proportion,
The control means controls sound generation based on an output obtained by adding the plurality of wind waveforms according to the weighting.
The electronic musical instrument according to claim 8.

After specifying one blowing pattern from the plurality of blowing patterns, each time the feature vector generated by said generating means, a feature vector said generated operation of storing in association with the blowing pattern being said specified repetition,
For each of the plurality of blowing patterns, the center of gravity values obtained by the plurality of the feature vectors stored the blowing pattern association with, further comprising a storage control means for storing the representative feature vector of each of the performance pattern The electronic musical instrument according to claim 8 .

And a presentation unit for presenting a difference between the wind pattern corresponding to the generated wind output and the previously stored wind pattern to the winder based on the distance calculated by the comparison unit.
The electronic musical instrument according to claim 8 .

The presenting means is arranged on the left and right of the mouthpiece part for performing the wind, and blinks one of them according to the degree of difference and changes the blinking speed according to the value of the degree of difference. Including light emitting elements,
The electronic musical instrument according to claim 13 .

Electronic musical instruments
Acquire a set of sensor output values output from each of multiple types of wind sensors,
Comparing the set of sensor corresponding values stored corresponding to each of the plurality of types of wind sensors and the set of sensor output values acquired by the acquisition means;
A sound generation control method for performing control related to wind performance based on the comparison result .

Obtaining a set of sensor output values output from each of a plurality of types of wind sensors;
Comparing the set of sensor corresponding values stored corresponding to each of the plurality of types of wind sensors with the set of sensor output values acquired by the acquiring means;
Based on the comparison result, performing a control related to wind performance,
A program that causes a computer to execute.