| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a level control circuit and its method capable of performing level control and amplitude limit with simple circuit constitution as to a volume control circuit for controlling the volume of audio signals. <P>SOLUTION: The level control circuit (22) for controlling the level of an input signal comprises amplitude limit circuits (32L, 32R) for limiting the amplitude of the input signal by an amplitude limit level and a limit level control circuit (31) for controlling the amplitude limit level in accordance with a control signal (Vvol). <P>COPYRIGHT: (C)2005,JPO&NCIPI |
