With the continuous development of computer technology and VR technology, computer music has become the mainstream music widely used in video, games and other major fields, and the research on computer music is becoming more and more important. At present, there are many research results about computer music software, but the research on space theory of computer music is slightly weak. In order to deeply study the space elements of computer music production, this paper takes Echo of the Wind as the research object and constructs the music space of virtual reality with VR technology. Firstly, the monitor system is calibrated, the virtual sound field is designed and adjusted, and reverberation and delay effectors are added to the sound field design template. After the VR music space is successfully constructed, the playback function of the server is tested. The audio in VR music space is extracted and processed. After the feature processing, the change of audio quality is counted. The results show that under the simulation of 150 users at the same time, the CPU consumption is 51%, the broadband consumption is 43.5%, and the good performance can still be maintained. After the audio feature processing, 91% of the audio can be converted to pitch normally, and 92% of the audio has no sound length deviation. The experimental results show that whether the traditional computer music or the computer music based on VR technology, the composition of the music space is mainly composed of timbre, voice part and depth space. INDEX TERMS VR Technology, Computer Music, Music Space Elements, Synthetic Timbre, MIDI Technology I. INTRODUCTION A. BACKGROUND SIGNIFICANCE Computer music has the advantages of various production methods, convenient storage and transmission, and high controllability, and has become an important part of new media information [1, 2]. The process of computer music production is also the composition process of music space. Only by studying and understanding the elements of music space, can we produce works with full space, clear levels and rich timbre [3]. VR technology can build a virtual space and put people in it. Through VR technology to help build music space, so that the illusory music space can be presented in front of everyone, which is more conducive to researchers' understanding of the elements of music space.