The present disclosure relates to a method and system for calibrating a musical device. In some embodiments, a method for calibrating a musical device includes: energizing an actuator to actuate a key using a force corresponding to a first intensity level; obtaining, from a sensor, a first sensor signal representing motion information of the key corresponding to application of the force; and calibrating the musical device based on the first sensor signal.

A keyboard device includes a plurality of keys, and a keyboard driver configured to drive at least a part of the plurality of keys. The keyboard device is configured such that, in accordance with determination whether a key corresponding to a pitch of event data is drivable by the keyboard driver, sound is generated based on a first sound-generating process in which the keyboard driver is configured to drive the key corresponding to the pitch or a second sound-generating process that is different from the first sound-generating process.

A keyboard device includes a plurality of keys, and a keyboard driver configured to drive at least a part of the plurality of keys. The keyboard device is configured such that sound is generated based on a first sound-generating process in which the keyboard driver is configured to drive a key corresponding to a first pitch, upon receiving performance data including the first pitch. The keyboard device is configured such that sound is generated based on a second sound-generating process that is different from the first sound-generating process, upon receiving performance data including a second pitch that is different from the first pitch.

A method for generating a music file for recording user performance may include: detecting, by a sensor, an event indicating a status change of an execution device of the keyboard instrument; generating, by the sensor, a signal corresponding to the detected event; receiving, by a processor, the signal; and generating, by the processor, a music file based on the signal. In some embodiments, the execution device may include a weight lever. The weight lever may a concrete structure in the keyboard instrument to simulate a rebound force generated by hammer striking on string, by striking on an elastic structure. In some embodiments, a rebound force for a first weight lever may be different from a rebound force for a second weight lever by adjusting parameters of the elastic structure or the weight lever.

A keyboard device includes a plurality of keys, and a keyboard driver configured to drive at least a part of the plurality of keys. The keyboard device is configured such that sound is generated based on a first sound-generating process in which the keyboard driver is configured to drive a key corresponding to a first pitch, upon receiving performance data including the first pitch. The keyboard device is configured such that sound is generated based on a second sound-generating process that is different from the first sound-generating process, upon receiving performance data including a second pitch that is different from the first pitch.

Systems and methods for providing a piano system are provided. In some embodiments, the methods include receiving a plurality of key signals related to a first performance of a piece of music, wherein each of the plurality of key signals corresponds to motion of at least one key of a piano during the first performance; generating first performance information based on the plurality of key signals; receiving musical data related to a second performance of the piece of music; receiving musical data related to a second performance of the piece of music, generating second performance information based on the musical data; and providing content for presentation on a display device based on the first performance information and the second performance information. The methods can also include receiving at least one pedal signal corresponding to motion of a pedal of the piano during the first performance, and generating first performance information based on the pedal signal.

A piano system with key assisted user input may include one or more execution devices, one or more sensors, at least one signal processing circuit, a processor and a display. The one or more sensors may be configured to detect a signal indicating a status change of at least one of the one or more execution devices. The at least one signal processing circuit may be configured to generate a control signal for controlling an input of a computer device in response to the signal detected by the one or more sensors. The processor may be configured to process the control signal to determine content to be displayed on a user interface. The display may be configured to display the determined content on the user interface.

A heat dissipation system for a smart piano may include a heat dissipation driver, a heat dissipation device, a sensor, a protection circuit and a hardware processor. The sensor may be configured to detect a thermal parameter of an execution device of the smart piano. The protection circuit may be configured to analyze the thermal parameter to generate a protection signal. The hardware processor may be configured to determine a preset algorithm, generate a control signal according to the protection signal and the preset algorithm, and control a heat dissipation condition of the smart piano. The controlling the heat dissipation condition of the smart piano may include control an operation condition of the execution device and/or the heat dissipation device. The controlling may include controlling an output power of the execution device and/or the heat dissipation device.

Aspects of the disclosure provide for mechanisms for providing muting functions for a piano system. In some embodiments, a piano system according to the disclosure includes a plurality of linkage structures coupled to a plurality of keys, a plurality of strings corresponding to the plurality of linkage structures, and a muting unit configured to place at least one elastic structure at a first position to implement a first mode for the piano system. In some embodiments, the first position is located between the linkage structures and the strings. In the first mode, the elastic structure may be placed at the first position to prevent an interaction between at least one of the linkage structures and the strings when one of the plurality of keys is depressed.

The present disclosure relates to a method and system for calibrating a musical device. In some embodiments, a method for calibrating a musical device includes: energizing an actuator to actuate a key using a force corresponding to a first intensity level; obtaining, from a sensor, a first sensor signal representing motion information of the key corresponding to application of the force; and calibrating the musical device based on the first sensor signal.