In this article an audio controller, which USES digital circuit technology instead of original analogue components to control channel selection and volume adjustment, is proposed.

提出了一种采用数字电路技术，替代原来的模拟元器件控制音响的声道选择和音量调节的音响控制器。

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This paper proposes a digital recording method for analogue audio signals, and applies it to a telephone recording system.

提出了一种对模拟语音信号进行数字化录音的方法，并将其应用于电话录音系统中。

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Compare with analogue system, this system has features of large system volume and good speech quality in audio data transmission and process, it is suitable for conference.

与模拟系统相比，控制方便、系统容量大、话音质量好，适合在大型会议等场合使用。

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It represents the pinnacle of Focusrite's analogue audio circuit design coupled with the latest in digital conversion technologies, alongside stunning, no-compromise industrial design and professional practicality.

ENGADGET: Focusrite launches Forte, 24-bit / 192kHz portable audio interface (video)

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 recently having presented its first digital headphone amplifier, the audio specialist Sennheiser announces at IFA 2012 that it will also launch an analogue version of the device, available in the U.S. later this fall.

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