Patent ID: 9571055
Date: 2017-02-14
CPC Classifications: H03G,H04R,H04S

Claim:
1. A level adjustment device comprising: a first level detection section configured to detect a first level of an input audio signal according to a first following rate and output a first level signal indicating the detected first level; a second level detection section configured to detect a second level of the input audio signal according to a second following rate that is lower than the first following rate and output a second level signal indicating the detected second level; a control section configured to select one of the first level signal or the second level signal based on a relation between the first level signal and the second level signal and determine a gain for adjusting a level of the input audio signal based on only the selected one of the first or second level signal; and an adjustment section configured to adjust the level of the input audio signal according to the gain determined by the control section.