它有一个信号杂讯比(信噪比)的至少有75分贝。

It has a signal-to-noise ratio (SNR) of at least 75 dB.

youdao

杜比大师工作室：这是针对高层次的用户，并支持八声道音频7.1与信号杂讯比在租赁95。

Dolby Master Studio: This is targeted at high level users and supports 8-channel 7.1 audio with a signal-to-noise ratio of at leas 95.

youdao

杜比大师工作室：这是针对高层次的用户，并支持八声道音频7.1与信号杂讯比在租赁95。

Dolby Master Studio: This is targeted at high level users and supports 8-channel 7.1 audio with a signal-to-noise ratio of at leas 95.

youdao