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    • 82. 发明申请
    • Audio signal processing method and apparatus
    • 音频信号处理方法和装置
    • US20060126853A1
    • 2006-06-15
    • US11300200
    • 2005-12-14
    • Shinji Kobayashi
    • Shinji Kobayashi
    • H04R5/00H03G3/00
    • H04R3/04H04R5/033
    • In case of carrying out a correction process for outputting an inputted audio signal from a speaker having a predetermined input-output characteristic and in a case, as for the predetermined input-output characteristic of the speaker, when characteristic in which linearity of an output level with respect to an input signal is approximately assured in a level equal to a predetermined level or more and the output level with respect to the input signal becomes high at the level equal to the predetermined level or less is selected, a correction process for lowering an amount of the output level which becomes high with respect to a signal component approximately of the level equal to the predetermined level or less in an inputted audio signal is carry out. Owing to the correction process, reproduction characteristic is improved on an occasion of a small volume in a small sized speaker such as a headphone.
    • 在执行用于输出来自具有预定输入 - 输出特性的扬声器的输入音频信号的校正处理的情况下,在这种情况下,对于扬声器的预定输入 - 输出特性,当其输出电平的线性度 相对于输入信号的输入信号在等于或大于预定值的电平近似保证,并且相对于输入信号的输出电平变为高于等于或等于预定值以下的电平,用于降低 执行相对于在输入的音频信号中等于或等于预定电平的等级的信号分量变高的输出电平的量。 由于校正处理,在诸如耳机的小型扬声器中,在小体积的情况下,再现特性得到改善。
    • 83. 发明申请
    • Audio signal processing method and apparatus
    • 音频信号处理方法和装置
    • US20060115093A1
    • 2006-06-01
    • US11291663
    • 2005-12-01
    • Shinji Kobayashi
    • Shinji Kobayashi
    • H04R29/00H04R3/00
    • H04S7/00H04R2499/13H04S2400/13
    • When an inputted audio signal is outputted from a speaker device having a predetermined input-output characteristic, the predetermined input-output characteristic being selected such that the linearity of an output level with respect to an input signal is approximately assured at a level equal to a predetermined level or more and the output level with respect to the input signal is lowered at a level equal to the predetermined level or less, a correction process for compensating a lowered output level is carried out with respect to a signal component approximately of a level equal to the predetermined level or less in the inputted audio signal. Owing to the correction process, the reproduction characteristic of a small volume signal from a speaker is improved.
    • 当从具有预定的输入 - 输出特性的扬声器装置输出输入的音频信号时,选择预定的输入 - 输出特性使得相对于输入信号的输出电平的线性几乎保证在等于 相对于输入信号的输出电平降低到等于或小于预定电平的电平时,用于补偿降低的输出电平的校正处理相对于大约等于等于的信号分量被执行 在输入的音频信号中达到预定电平或更小。 由于校正处理,提高了来自扬声器的小音量信号的再现特性。