Prelude:手写谱曲系统的交互方法

Prelude: Interaction Approach of a Handwriting Composing System

手写通常是作曲者最传统且最自然的谱曲方式.然而受限于对书写过程的控制以及音符识别方法的影响,现有软件对音符的录入绝大多数仍基于非自然的鼠标点选模式.为解决这一问题,提出面向"自然"和"满足感"的交互设计思路.通过引入纸带放大镜和自由书写2套交互模型,最大限度还原纸笔创作的自然度与流畅度;同时提出基于轮廓扫描与分类的手绘音符识别方法,能够实现对多种不同类型音符的自动识别.前期系统测试结果表明,文中识别方法具有较强的容错能力,交互设计具有较高的用户满意度.

Handwriting is generally regarded as the most traditional and natural way for composing. However, the non-natural mouse clicking is still employed to input musical notes by most existing composing software mainly due to restricted control in the writing process and difficulty in automatic recognition of handwritten musical notes. In order to solve this problem, a ＂naturalness-＂ and ＂satisfaction-＂ oriented approach to interactive design is proposed in this paper. The tape-magnifier model and the free-scratch model are introduced to restore the naturalness and fluency of paper-and-pen composing as much as possible, and an approach to handwritten musical notes recognition based on boundary scanning and classification is proposed which can be used to the automatic recognition of several different kinds of musical notes. The experimental results show that the recognition method has strong ability of fault tolerance and the interaction design has high user satisfaction.