Telephone line interface option module
    1.
    发明授权
    Telephone line interface option module 失效
    电话线接口选项模块

    公开(公告)号:US4788717A

    公开(公告)日:1988-11-29

    申请号:US170664

    申请日:1988-03-17

    摘要: 36 Telephone interface option module circuit for interfacing an electronic device to a telephone network. Most electronic devices, for example, modems, telephone message systems and text-to-speech systems, when coupled to a telephone network must conform to specific telephone interconnect regulations. These regulations generally vary from country to country, and therefore, the electronic device generally has to be modified to conform to a specific countries telephone regulations. The option module circuit contains the country specific telephone regulations, and when plugged into the electronic device, ensures that the electronic device conforms to those regulations.

    摘要翻译: 36用于将电子设备连接到电话网络的电话接口选项模块电路。 当耦合到电话网络时,大多数电子设备,例如调制解调器,电话消息系统和文本到语音系统必须符合特定的电话互连规则。 这些规定通常因国家而异,因此,电子设备通常必须进行修改以符合特定国家的电话规定。 选件模块电路包含国家特定的电话规定,当插入电子设备时,确保电子设备符合这些规定。

    Gain control
    2.
    发明授权
    Gain control 失效
    增益控制

    公开(公告)号:US07885402B2

    公开(公告)日:2011-02-08

    申请号:US10719771

    申请日:2003-11-21

    IPC分类号: H04M1/00 H04M9/00

    摘要: Methods, systems, and devices are provided for controlling the power level of voice signal streams. A gain controller embodiment includes a measurement module, a gain factor setting module, and a gain adjustment module. The measurement module includes program instructions to measure a power level of a voice signal stream. The gain factor setting module includes program instructions to set a gain value by comparing the measured power level to a threshold. The gain adjustment module includes program instructions to adjust a power level of a voice signal stream by applying the gain value to the voice signal stream.

    摘要翻译: 提供了用于控制语音信号流的功率电平的方法,系统和设备。 增益控制器实施例包括测量模块,增益因子设置模块和增益调整模块。 测量模块包括用于测量语音信号流的功率电平的程序指令。 增益因子设置模块包括通过将测量的功率电平与阈值进行比较来设置增益值的程序指令。 增益调整模块包括通过将增益值应用于语音信号流来调整语音信号流的功率电平的程序指令。