Research Of Evaluation And Optimization Of Violin Sound

The research history and current situation of the sound quality of the violin were introduced from the theoretical and practical value in this paper. The need to establish the system of the violin sound quality evaluation and optimize was proposed. The work of tensile test and stress measurement tests were completed to analyze the mechanical properties of the violin., Sound assessment tests of the classic violin and original violin were completed to analyze the acoustic properties of the violin. The test results were analyzed in time domain and in frequency domain by fast Fourier transform (FFT). It was Pointed out sound quality and the capacity of sound transformation were two important aspects of the system, completed the violin sound quality evaluation system from hardware and software. About Violin sound quality optimization, It was established the feasibility analysis of vibration model, and analyzed the forces of the violin in the process of vibration. It was finished to design the gantry,vibration mechanism and a sweep signal according to equal temperament. Sound program and sound acquisition program were designed with Matlab and Labview. The design of hardware and software were completed, including test rack and sound and collection procedures. Completed the tests of the violin mechanical properties and the violin sound quality evaluation and optimization.