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Natural Timbre in Room Correction Systems

Room correction systems are often found to provide a timbre, which is described to be artificial or unnatural. This paper presents a new approach to this problem, which is based on the finding that part of the influence of a listening room is natural to the human ear and should not be removed by a room correction system. More specifically the smooth increase of level towards lower frequencies, also referred to as room gain, must be preserved after applying a room correction system. In the described system this is done as an integral part of the automatic target calculator, which also takes into account the main characteristics of the used loudspeaker, e.g. lower cut-off frequency and directivity index.

Authors: Abildgaard Pedersen, Jan; Mortensen, Henrik Green
Affiliation: Lyngdorf Audio
AES Convention:122 (May 2007) Paper Number:7112 Import into BibTeX
Subject:Signal Processing, Sound Quality Design

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