The signal will be converted into digital code.

信号将被转变成数字编码。

《柯林斯英汉双解大词典》

Could you please tell me how voice is converted into digital signals?

我想知道声音到底是怎样变成数字信号的，你能告诉我吗？

youdao

The analogue signals from the video tape are converted into digital code.

采自该录像带的模拟信号被转换成数字代码。

youdao

Resources of human knowledge or expression, whether cultural, educational, scientific and administrative, or embracing technical, legal, medical and other kinds of information, are increasingly created digitally, or converted into digital form from existing analogue resources.

UNESCO: Communication and Information

Modern media production is largely done with what are called File Based Workflows in which rich video content may be captured digitally or converted into digital form and then editing and other post production work is done on this digital content.

FORBES: Lights, Cameras and Digital Storage

In this case, it refers to taking a series of tiny snapshots of the analog audio to be converted into a digital number.

ENGADGET: Primed: digital audio basics Mobile