| 摘要 |
An audio device inputs an audio signal for a plurality of positions to a speaker for outputting audio with a narrow directivity for the plurality of positions. The audio device includes: a table storage unit for storing a table for registering the plurality of positions and audio information indicating a set sound volume of the audio to the respective positions; a signal processing unit for adjusting an output level of the audio signal for the respective positions according to the set level control value; and a signal processing control unit for reading out the sound volume information on the plurality of positions by referencing the table and setting a level control value of each audio signal in the signal processing unit according to the read-out information. |
