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What is the difference between an electronic keyboard and an electronic piano?

1 Weight Pianos are relatively light, generally around 10-15kg, and are easy to move; pianos are generally around 200kg and cannot be moved easily. 2 There are still some differences between playing a touch piano and an electric piano. The keyboard of an electric piano has a softer feel than a piano, and the keys will ring when you press them lightly. The piano requires a lot of force to play each key, which can gradually become stronger, weaker, stronger, weaker, etc. This intensity is a sound that requires finger control, while the electric piano is synthesized and makes a sound as long as the keys are pressed. This may not be obvious to newbies, but is easily noticeable to experienced players. 3 Structure and Sound Principles Both pianos and electric pianos have 88 keys, and the piano has a complete mechanical structure inside. Sounds are made by pressing keys on the keyboard, touching the felt-covered hammers inside the piano, and striking the steel strings. When a key is pressed on the electric piano, the internal crystal oscillator is turned on to generate a certain frequency waveform, which is amplified by the frequency divider and sent to the speaker to produce sound. The keyboard structure of an electric piano is relatively simple, generally based on springs, and a counterweight structure is added. The other parts are electronic circuits that connect the headphones via sound.