| 摘要 |
<P>PROBLEM TO BE SOLVED: To display character information and spectrum analysis display on the same screen in a spectrum analysis display device which displays levels of an audio signal for each frequency band. <P>SOLUTION: When reproducing audio data, the display device measures levels of the audio signal of the audio data for each frequency band included in the audio signal, converts the measured levels of the audio signal into character strings including character information associated with the audio data, and displays them. <P>COPYRIGHT: (C)2009,JPO&INPIT |
