US 7,613,312 B2
Audio processing apparatus for implementing level corrections of audio data
Tomoko Sakakibara, Osaka (Japan); Takeshi Fujita, Osaka (Japan); and Norio Hatanaka, Osaka (Japan)
Assigned to Panasonic Corporation, Osaka (Japan)
Filed on May 24, 2004, as Appl. No. 10/851,181.
Claims priority of application No. P2003-155067 (JP), filed on May 30, 2003.
Prior Publication US 2004/0240685 A1, Dec. 02, 2004
Int. Cl. H03G 3/00 (2006.01); H04R 29/00 (2006.01)
U.S. Cl. 381—104  [381/56] 22 Claims
OG exemplary drawing
 
1. An audio processing apparatus comprising:
a level judging unit, the level judging unit judging volume levels of input audio data that is comprised of a plurality of channel data;
a level correcting unit, the level correcting unit correcting the volume levels based on the judgment results of the level judging unit; and
a level judgment thinning controller, the level judgment thinning controller adjusting a frequency of implementing level judgments by the level judging unit, wherein
the level judgment thinning controller changes said frequency based on the number of channels of the input audio data that is comprised of a plurality of channel data.