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Binaural resynthesis for comparative studies of acoustical environments

机译:双耳合成用于声学环境的比较研究

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摘要

A framework for comparative studies of binaurally resynthesized acoustical environments is presented. It consists of a software-controlled, automated head and torso simulator with multiple degrees of freedom, an integrated measurement device for the acquisition of binaural impulse responses in high spatial resolution, a head-tracked realtime convolution software capable to render multiple acoustic scenes at a time, and a user interface to conduct listening tests according to different test designs. Methods to optimize the measurement process are discussed, as well as different approaches to datareduction. Results of a perceptive evaluation of the system are shown, where acoustical reality and binaural resynthesis of an acoustic scene were confronted in direct A/B comparison. The framework permits, for the first time, to study the perception of a listener instantaneously relocated to different binaurally rendered acoustical scenes.
机译:提出了一个用于双耳合成声环境的比较研究的框架。它包括一个软件控制的,具有多个自由度的自动头部和躯干模拟器,一个用于以高空间分辨率采集双耳冲激响应的集成测量设备,一个能够实时显示多个声学场景的头部跟踪实时卷积软件。时间,以及一个根据不同测试设计进行听力测试的用户界面。讨论了优化测量过程的方法,以及减少数据量的不同方法。显示了对系统的感知评估的结果,其中声学场景和声学场景的双耳再合成在直接A / B比较中面临。该框架首次允许研究即时转移到不同双耳渲染声场的听众的感知。

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