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    • 27. 发明授权
    • Sound-controlled electronic apparatus
    • 声控电子仪器
    • US07924324B2
    • 2011-04-12
    • US10577999
    • 2004-10-29
    • Takashi Fujita
    • Takashi Fujita
    • H04N5/232H04N5/76G10L15/00
    • G03B17/38
    • An electronic apparatus (102) includes a microphone (40). Sound is captured by the microphone (40), and a key operation is detected by a sub microcomputer (46). The processes according to outputs from the microphone (40) and the sub microcomputer (46) are executed by a main microcomputer (42). The main microcomputer (42) outputs a sound effect from a speaker (58) in response to the key operation. Besides, output setting of the sound effect is changed between active state and inactive state. The main microcomputer (42) changes an extraction characteristic of sound according to the setting state of sound effect output.
    • 电子设备(102)包括麦克风(40)。 声音被麦克风(40)捕获,并且由子微型计算机(46)检测到键操作。 根据来自麦克风(40)和子微型计算机(46)的输出的处理由主微型计算机(42)执行。 响应于键操作,主微型计算机(42)从扬声器(58)输出声音效果。 此外,在活动状态和非活动状态之间改变声音效果的输出设置。 主微型计算机(42)根据声效输出的设定状态改变声音的提取特性。
    • 30. 发明申请
    • SOUND REPRODUCING DEVICE
    • 声音再现设备
    • US20100296676A1
    • 2010-11-25
    • US12863898
    • 2009-01-14
    • Takashi FujitaHirouki GotoShinichi AkiyoshiShuhei YamadaMasaharu Matsumoto
    • Takashi FujitaHirouki GotoShinichi AkiyoshiShuhei YamadaMasaharu Matsumoto
    • H04B1/00
    • G11B20/10527G11B27/034G11B2020/10546G11B2020/10759G11B2020/10805
    • A sound reproducing device includes a decoder section (1200) configured to decode an audio-signal bit stream input from the outside world, and to generate a decoded PCM signal; a control section (1100) configured to identify reproduction conditions from reproduction-instruction information obtained from the outside world and decoding information obtained from the decoder section (1200), and to provide a reproduction instruction; and an additional-audio addition section (1500) configured to process additional audio data input from the outside world, to add a result with the decoded PCM signal, and to output a result as an output PCM signal. The additional-audio addition section (1500) includes an additional-audio generation section (1510) configured to process the additional audio data so that the additional audio data can be added with the decoded PCM signal, and to output a result as an additional-audio PCM signal, and an adder (1520) configured to mix the additional-audio PCM signal and the decoded PCM signal. The additional-audio generation section (1510) includes a plurality of processing means (1511 and 1512) depending on a trade-off between the amount of load of computation process in the processing and acoustic properties of a processing result. The control section (1100) identifies one of the plurality of processing means (1511 and 1512) based on the reproduction-instruction information and the decoding information. The additional-audio generation section (1510) processes the additional audio data by the processing means identified by the control section (1100).
    • 声音再现装置包括:解码器部分,被配置为解码从外部世界输入的音频信号比特流,并产生解码的PCM信号; 控制部(1100),被配置为根据从外部世界获得的再现指示信息和从解码器部分(1200)获得的解码信息来识别再现条件,并提供再现指令; 以及附加音频附加部分(1500),被配置为处理从外部世界输入的附加音频数据,以将结果与解码的PCM信号相加,并输出结果作为输出PCM信号。 附加音频附加部分(1500)包括附加音频生成部分(1510),其被配置为处理附加音频数据,使得附加音频数据可以与解码的PCM信号相加,并且作为附加音频输出部分输出结果, 音频PCM信号和被配置为混合附加音频PCM信号和解码的PCM信号的加法器(1520)。 根据处理中的计算处理的负载量和处理结果的声学特性之间的折衷,附加音频产生部分(1510)包括多个处理装置(1511和1512)。 控制部(1100)基于再现指示信息和解码信息来识别多个处理装置(1511和1512)中的一个。 附加音频生成部分(1510)由控制部分(1100)识别的处理装置处理附加音频数据。