| 摘要 |
PROBLEM TO BE SOLVED: To provide "an acoustic adjustment method, an acoustic adjustment device, and an audio system" capable of stably adjusting a sound field with a stable feeling and a clear feeling.SOLUTION: While varying a delay time between a front channel output from a loudspeaker 14 arranged before and a rear channel output from a loudspeaker 14 arranged behind, an acoustic adjustment device 2 calculates as an index Z a value obtained by subtracting an average value of sound pressure levels of bass components picked up by ear microphones ML3, MR3 arranged at the positions of the ears of a driver from a sound pressure level of a bass component of a sound picked up by a floor microphone MF4 arranged on the floor in a car, and sets an audio system 1 to use a delay time corresponding to a maximum index Z as a delay time between the front channel and rear channel. |
