Microphone with voltage pump
    3.
    发明申请
    Microphone with voltage pump 有权
    麦克风带电压泵

    公开(公告)号:US20070160234A1

    公开(公告)日:2007-07-12

    申请号:US10596125

    申请日:2004-12-01

    IPC分类号: H04R3/00

    摘要: An integrated circuit (102) configured to provide a microphone output signal, comprising: a preamplifier (108) coupled to receive an input signal, generated by a first microphone member that is movable relative to a second microphone member; and a voltage pump (104) to provide a bias voltage to either microphone member.

    摘要翻译: 一种被配置为提供麦克风输出信号的集成电路(102),包括:前置放大器(108),其被耦合以接收由相对于第二麦克风构件可移动的第一麦克风构件产生的输入信号; 以及电压泵(104),以向任一麦克风构件提供偏置电压。

    Microphone preamplifier
    4.
    发明申请
    Microphone preamplifier 有权
    麦克风前置放大器

    公开(公告)号:US20070076904A1

    公开(公告)日:2007-04-05

    申请号:US10595403

    申请日:2004-10-14

    IPC分类号: H04R3/00

    摘要: A microphone preamplifier, comprising a differential input (102) stage with a first and a second input terminal and an output stage with an output terminal; where the microphone preamplifier is integrated on a semiconductor substrate. A feedback circuit, with a low-pass frequency transfer function (103), is coupled between the output terminal and the first input terminal and integrated on the semiconductor substrate. The second input terminal provides an input for a microphone signal (105). Thereby a very compact (with respect to consumed area of the semiconductor substrate), low noise preamplifier is provided.

    摘要翻译: 麦克风前置放大器,包括具有第一和第二输入端的差分输入(102)级和具有输出端的输出级; 麦克风前置放大器集成在半导体衬底上。 具有低通频率传递函数(103)的反馈电路耦合在输出端和第一输入端之间并集成在半导体衬底上。 第二输入端提供麦克风信号(105)的输入。 因此,提供了非常紧凑的(相对于半导体衬底的消耗区域),提供了低噪声前置放大器。

    AUDIO SIGNAL CONTROLLER
    6.
    发明申请
    AUDIO SIGNAL CONTROLLER 有权
    音频信号控制器

    公开(公告)号:US20110029109A1

    公开(公告)日:2011-02-03

    申请号:US12795122

    申请日:2010-06-07

    IPC分类号: G06F17/00

    摘要: The present invention relates to an audio signal controller adapted to receiving first and second digital audio signals and estimating a signal feature of the first or second digital audio signal. The estimated signal feature is compared with a predetermined feature criterion and the audio signal controller switches from conveying the first digital audio signal to conveying the second digital audio signal to a controller output, or vice versa, at a zero-crossing of the first digital audio signal or the second digital audio signal based on the comparison between the estimated signal feature and the predetermined feature criterion.

    摘要翻译: 音频信号控制器本发明涉及适于接收第一和第二数字音频信号并估计第一或第二数字音频信号的信号特征的音频信号控制器。 将估计的信号特征与预定特征标准进行比较,并且音频信号控制器从第一数字音频信号转换到在第一数字音频的零交叉处将第二数字音频信号传送到控制器输出,反之亦然 信号或第二数字音频信号,基于估计信号特征与预定特征标准之间的比较。