降低音频反馈系统中麦克风和扬声器不完善的影响

IF 0.2 4区艺术学 Q2 Arts and Humanities

LEONARDO MUSIC JOURNAL Pub Date : 2019-12-01 DOI:10.1162/lmj_a_01060

Lilac Atassi

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引用次数: 0

摘要

反复使用房间作为声音过滤器的音频反馈系统可以是产生迷人声音的艺术媒介。在该系统中，房间并不是唯一充当过滤器的构件。声音系统组件，即扬声器和麦克风，在每次迭代中也会对声音产生相当大的影响。为了确保房间对声音的相对影响被揭示出来，而不是被音频系统掩盖，作者建议在每次迭代结束时使用一种通用的校准方法。系统的数学模型被用来解释使用这种方法背后的推理。按照这个程序，作者进行了一个实验，显示了随着时间的推移，艺术作品中捕捉到的与房间的声音互动。

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Reducing the Effect of Imperfect Microphone and Speaker in Audio Feedback Systems

An audio feedback system that iteratively uses a room as a sound filter can be an artistic medium generating fascinating sounds. In this system, the room is not the only component acting as a filter. The sound system component, i.e. the speaker and microphone, also can have a sizeable impact on the sound in each iteration. To make sure the relative influence of the room on the sound is revealed and not masked by the audio system, the author proposes using a common calibration method at the end of each iteration. The mathematical model of the system is used to explain the reasoning behind the use of this method. Following this procedure, the author conducted an experiment that shows sound interaction with the room over time being captured in the artwork.

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来源期刊

LEONARDO MUSIC JOURNAL MUSIC-

自引率

0.00%

发文量

期刊介绍： Leonardo Music Journal (LMJ), is the companion annual journal to Leonardo. LMJ is devoted to aesthetic and technical issues in contemporary music and the sonic arts. Each thematic issue features artists/writers from around the world, representing a wide range of stylistic viewpoints. Each volume includes the latest offering from the LMJ CD series—an exciting sampling of works chosen by a guest curator and accompanied by notes from the composers and performers. Institutional subscribers to Leonardo receive LMJ as part of a yearly subscription.