阅读说明：本技术 一种数码口琴 (Digital harmonica ) 是由 蒲昊 于 2020-05-07 设计创作，主要内容包括：本发明公开了一种数码口琴,包括：本体,本体上设置有若干音孔；音孔内设置有传感器,传感器与微处理器连接；所述微处理器分别与传感器和音频处理器连接；所述音频处理器与扬声器连接；所述传感器数量若干,一个音孔里有至少一个传感器；微处理器用于接收和识别传感器传输的信息,音频处理利器用于将接收到的信息转换为音频信号输出；本发明通过在所有音孔中均设置传感器,使微处理器得到的吹奏信息更加精准,使扬声器播放出的音乐音准更加准确；通过传感器来直接感知吹奏行为产生的气流、气压、震动等数据判断口琴是否被吹奏,可以使口琴能在各种环境下进行使用,使其使用环境更丰富。(The invention discloses a digital harmonica, comprising: the body is provided with a plurality of sound holes; a sensor is arranged in the sound hole and connected with the microprocessor; the microprocessor is respectively connected with the sensor and the audio processor; the audio processor is connected with the loudspeaker; the number of the sensors is a plurality, and at least one sensor is arranged in one sound hole; the microprocessor is used for receiving and identifying the information transmitted by the sensor, and the audio processing sharp machine is used for converting the received information into an audio signal to be output; according to the invention, the sensors are arranged in all the sound holes, so that playing information obtained by the microprocessor is more accurate, and the accuracy of music played by the loudspeaker is more accurate; data such as air current, atmospheric pressure, vibrations that come direct perception play action through the sensor and produce judge the mouth organ whether played, can make the mouth organ use under various environment, make its service environment abundanter.)

1. A digital harmonica, comprising: the sound box comprises a body (1), wherein a plurality of sound holes (2) are formed in the body (1); a sensor (3) is arranged in the sound hole (2), and the sensor (3) is connected with a microprocessor (4); the microprocessor (4) is respectively connected with the sensor (3) and the audio processor (5); the microprocessor (4) and the audio processor (5) are positioned in the body (1); the audio processor (5) is connected with the loudspeaker (8), and the loudspeaker (8) is positioned on the body (1); the number of the sensors (3) is a plurality, and at least one sensor (3) is arranged in one sound hole (2); the microprocessor (4) is used for receiving and identifying the information transmitted by the sensor (3), and the audio processor (5) is used for converting the received information into an audio signal to be output.

2. The digital harmonica of claim 1, wherein the sensor (3) is disposed at the bottom or the side wall or both the bottom and the side wall of the sound hole (2).

3. The digital harmonica of claim 2, wherein the sensors (3) comprise an air pressure sensor, an air flow sensor and a vibration sensor; the baroceptor is used for detecting the harmonica dynamics of playing through the atmospheric pressure value in the detection tone hole, and the airflow sensor is used for detecting the dynamics of playing through the airflow speed that detects when playing, shakes the sensor and is used for detecting the dynamics of playing through the vibrations that detect the air current of playing and lead to.

4. The digital harmonica of claim 1, further comprising a data output interface (10); the data output interface (10) is connected with the microprocessor (4) and is used for transmitting the audio information, the playing information or the sensor data to external equipment; the external equipment is a computer, a mobile phone and a tablet.

5. The digital harmonica of claim 4, wherein the data output interface (10) comprises a USB interface, an optical fiber interface, a Bluetooth interface, and a wireless network interface.

6. The digital harmonica as claimed in claim 1, wherein a memory (6) is further provided in the body, the memory (6) being connected to the microprocessor (4) for storing audio information data generated by playing, playing information data or sensor data.

7. The digital harmonica as claimed in claim 1, wherein a vibrator (7) is further provided in the body, the vibrator (7) being connected to the microprocessor (4) for emitting a feedback signal according to information in the microprocessor (4).

8. The digital harmonica as claimed in claim 1, wherein the body (1) is provided with keys (12) and at least one display screen (13); the key (12) and the display screen (13) are both connected with the microprocessor (4); the number of the keys (12) is a plurality, and the keys are used for sending command information to the microprocessor (4); the display screen (13) is used for displaying harmonica information.

9. The digital harmonica of claim 1, further comprising an audio output interface (9); the audio output interface (9) is connected with the audio processor (5) and is used for outputting audio information to external equipment; the audio output interface (9) comprises a concentric connector earphone interface, a USB interface, a Bluetooth wireless interface and a 2.4GHz wireless audio interface.

10. The digital harmonica of claim 1, further comprising a power supply (11) for supplying power to each device.

Technical Field

The invention relates to the field of musical instruments, in particular to a digital harmonica.

Background

The harmonica is a small, simple and easy-to-use instrument with unique tone. For these reasons, harmonicas and harmonica music are widely spread worldwide. However, the development of the harmonica is rarely digitalized and intelligentized, so that the learning and playing of the harmonica are limited to a certain extent. For example, practicing the harmonica at home may affect other people at home, learning to play the harmonica together in a classroom is difficult to distinguish the specific situation of each person, the played harmonica music is inconvenient to record, recording needs a harsher recording environment or is interfered by external environment noise, and a large-scale performance scene can only receive sound through a microphone and then amplify and play the sound and can also be interfered by other environment noise.

Disclosure of Invention

The invention aims to: aiming at the existing problems, the digital harmonica is provided; the invention solves the problem that the digital harmonica can not play music directly and can only make sound by matching with external equipment; the problem that the digital harmonica is inaccurate in detecting playing information is solved; the problem that the digital harmonica cannot normally work in a dark environment is solved; the problems that the harmonica is single in use environment and is easily interfered by external environment sound are solved.

The technical scheme adopted by the invention is as follows:

a digital harmonica, comprising: the body is provided with a plurality of sound holes; a sensor is arranged in the sound hole and connected with the microprocessor; the microprocessor is respectively connected with the sensor and the audio processor; the microprocessor and the audio processor are positioned in the body; the audio processor is connected with the loudspeaker, and the loudspeaker is positioned on the body; the number of the sensors is a plurality, and at least one sensor is arranged in one sound hole; the microprocessor is used for receiving and identifying the information transmitted by the sensor, and the audio processor is used for converting the received information into an audio signal to be output.

Further, the sensor is arranged at the bottom or the side wall of the sound hole or both the bottom and the side wall.

Further, the sensors comprise an air pressure sensor, an air flow sensor and a vibration sensor; the baroceptor is used for detecting the harmonica dynamics of playing through the atmospheric pressure value in the detection tone hole, and the airflow sensor is used for detecting the dynamics of playing through the airflow speed that detects when playing, shakes the sensor and is used for detecting the dynamics of playing through the vibrations that detect the air current of playing and lead to.

Further, the system also comprises a data output interface; the data output interface is connected with the microprocessor and used for transmitting the audio information, playing information or sensor data to external equipment; the external equipment is a computer, a mobile phone and a tablet.

Further, the data output interface comprises a USB interface, an optical fiber interface, a bluetooth interface, and a wireless network interface.

Further, a memory is arranged in the body and connected with the microprocessor, and the memory is used for storing audio information data, playing information data or sensor data generated by playing.

Furthermore, a vibrator is arranged in the body and connected with the microprocessor and used for sending a feedback signal according to information in the microprocessor.

Furthermore, the body is provided with a key and at least one display screen; the keys and the display screen are connected with the microprocessor; the number of the keys is a plurality, and the keys are used for sending command information to the microprocessor; the display screen is used for displaying harmonica information.

Further, the device also comprises an audio output interface; the audio output interface is connected with the audio processor and used for outputting the audio information to external equipment; the audio output interface comprises a concentric connector earphone interface, a USB interface, a Bluetooth wireless interface and a 2.4GHz wireless audio interface.

Furthermore, the device also comprises a power supply which is used for supplying power to each device.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the sensors are arranged in all the sound holes, so that playing information obtained by the microprocessor is more accurate, and the accuracy of music played by the loudspeaker is more accurate; meanwhile, the music played by recording is conveniently performed, and the music post-processing is conveniently performed.

2. The invention judges whether the harmonica is played and the specific strength of playing through the sensor in each tone hole, so that the harmonica can be used in various environments, and the using environment is richer.

3. The invention can directly play the played music through the loudspeaker without playing through other equipment.

4. The invention can be realized by the following keys: the vocal effect of the harmonica is changed conveniently and dynamically to simulate various harmonica playing techniques; meanwhile, the scale tone of the harmonica can be dynamically changed, and one harmonica can be used as harmonica with different scales and different tone colors; and the appointed played music can be recorded according to the key operation of the user, so that the later playback processing is convenient.

5. The invention can insert the earphone during playing through the audio output port, so that players can only hear played music by themselves, and clear music played by themselves can be conveniently heard in a noisy environment by shielding environment interference without affecting other people.

6. The invention can more conveniently use professional equipment to carry out various recording, processing and playing on played music through the data output port.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a view showing an appearance structure of a digital harmonica.

Fig. 2 is an internal view of the digital harmonica.

Fig. 3 is a structural view of a sound hole including 2 pressure sensors.

Fig. 4 is a structural view of a sound hole including 3 pressure sensors.

Fig. 5 is a structural view of the pressure sensor including 1 in the sound hole.

Fig. 6 is a structural view of the airflow sensor.

Fig. 7 is a structural view of the shock sensor.

Fig. 8 is a sound hole structure diagram of embodiment 2.

Wherein, 1-body; 2-sound hole; 3-a sensor; 4-a microprocessor; 5-an audio processor; 6-a memory; 7-a vibrator; 8-a loudspeaker; 9-an audio output interface; 10-a data output interface; 11-a power supply; 12-a key; 13-display screen

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.