A system and a method for detecting acoustic features of a loudspeaker system in a limited environment

摘要

A system for detecting acoustic features of a loudspeaker system in a limited environment, the system comprising: a matrix microphone (110) comprising a plurality of microphones (112) configured to detect sound waves approaching from various directions; a sound generator (411) configured to consecutively generate sound impulses in a plurality of frequency bands to be played by the speakers (122) of the loudspeaker system, each generated sound impulse having an impulse duration; a sound recorder (412) configured to register sound received by the microphones (112) of the matrix microphone in a recording storage (413), wherein the sound is registered in response to each generated sound impulse for a period longer than the sound impulse, such as to register direct and reflected sound impulses; and a model generator (414) configured to analyze the recorded sound from the recording storage (413) and to generate a model of the environment including the position and properties of walls (125) and other objects (124) within the environment.