| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide sound quality adjustment which can avoid clip distortion generation. <P>SOLUTION: A sound quality adjusting device of the present embodiment comprises: a sound quality adjustment part 101 to perform a sound quality adjustment process on an input audio signal based on a reference frequency characteristic to obtain a signal for analysis; a analysis part 110 to analyze a feature amount of the signal for analysis; a setting part 120 to derive one frequency characteristic with no clip distortion generated concerning the feature amount of the signal for analysis based on the recurrence analysis result about the presence of clip distortion when multiple frequency characteristics are set concerning the feature amount for previous learning and the feature amount of the signal for analysis and to set the frequency characteristic to an input audo signal; a sound quality adjustment part 140 to perform a sound quality adjustment process on the input audio signal based on the set frequency characteristic and to obtain an output audio signal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
