从MIDI乐谱到“类人灵魂”：机器人鼓手用90%+精准度复刻人类演奏魅力

Core Viewpoint - The article discusses the development of a humanoid robot capable of drumming, highlighting its potential in creative tasks and the innovative approach taken by a research team from SUPSI, IDSIA, and Politecnico di Milano to explore this capability [1][2]. Group 1: Project Background - The "Robot Drummer" project was inspired by a casual conversation about the role of robots in music, leading to the exploration of drumming as an ideal domain due to its rhythmic nature and physical coordination requirements [3]. Group 2: Technical Development - The humanoid robot utilizes reinforcement learning algorithms to learn drumming skills, gradually acquiring human-like behaviors typical of drummers [2][5]. - The team employed MIDI as the "language" of music to accurately encode timing and dynamics, allowing the robot to interpret and perform drumming patterns based on MIDI transcriptions [6][8]. Group 3: Challenges and Solutions - The project faced three main challenges: timing precision, spatial coordination, and dynamic adaptation to varying rhythms and intensities [6][8]. - To address these challenges, the researchers developed a "Rhythmic Contact Chain" system, enabling the robot to learn through a series of timed contact events, enhancing its ability to perform complex drumming tasks [8]. Group 4: Performance Evaluation - The robot was tested on over 30 popular songs across various genres, including tracks from Linkin Park and Bon Jovi, to assess its timing, coordination, and ability to handle complex rhythms [9][10]. - The evaluation metrics included F1 scores, with results showing the robot's performance achieving over 90% rhythm accuracy and demonstrating human-like strategies in drumming [10]. Group 5: Future Prospects - The long-term vision for the robot drummer includes its integration into live performances and the ability to improvise and adapt its playing style in real-time, similar to human drummers [11].