No conversion from analogue to digital data is needed.

没有必要把模拟转换为数字数据。

《牛津词典》

This paper investigates a kind of cheap and new circuit for analogue-to-digital conversion with a performance to price ratio much higher than middle and high speed A/D converters.

本文介绍一种新型而廉价的A/D转换电路，其性能价格比大大高于目前已有的中高速模数转换电路。

youdao

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)