摘要
描述了声音模拟中的关键技术——空间声音定位原理、声音衰减的距离模型、声音的多普勒效应及计算公式.介绍了两个虚拟空间中声音开发工具包——Open AL、DirectSound.根据在驾驶模拟器中的实际运用,给出了应该着重考虑解决的一些问题.驾驶模拟系统中加入声响模拟系统后,使模拟器摆脱了单纯的视觉信息感知,驾驶员对驾驶环境有更充分的了解,并可以及时做出相应的判断和动作,增强驾驶模拟器的培训效果.
The key technology of sound simulation is discussed in this paper,including spatial sound localization principle, roll-off distance model,Doppler effect and it＇s mathematical formula. Two APIs for sound simulation in virtual space are introduced. They are OpenAL and DireceSound. Some urgent questions are put forward according to the actual utilizationthe of vehicle driving simulator. The vehicle driving simulator with sound simulation system can provide auditory information. This is very helpful for drivers to know more about the surroundings, make wise judgement and take correct action.
出处
《湖北工业大学学报》
2007年第3期62-64,共3页
Journal of Hubei University of Technology
关键词
声音模拟
衰减距离模型
多普勒效应
驾驶模拟器
sound simulation
roll- off distance model
doppler effect
vehicle driving simulator
