Hardware platform of the system is composed of the signal source module, the signal conditioner and PCI-6111 card supplied by NI.

该系统硬件平台由自主开发的信号源模块和信号调理模块以及NI公司的PCI - 6111板卡组成。

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Visual information in the speaker's mouth region is also an important speech information source except for acoustic signal source.

除声音信息通道外，唇动视觉信息可以作为一种重要的语音理解源。

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Therefore, it is important that the connection between the signal source and the measuring instrument doesn't interfere with the reading.

因此，不使信号源和测量仪器之间的连接电路影响测量读数是非常重要的。

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This unusually long potentiometer shaft allows the signal path between the audio source and the potentiometer to be kept very short, thus preventing possible interference of the signal.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600

The high-end devices have a fully symmetrical layout for operation with analogue audio sources, thus ensuring absolutely symmetrical signal transmission from the source to the headphones.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600

After the publication of the book, a drama scholar wrote to Mr. Unsworth asking for his source on the hand-signal system.

WSJ: A Tribute to Barry Unsworth | Dear Book Lover