1. The cardioid microphone is designed to pick up sound primarily from the front.
这个心形麦克风设计用来主要从前面捕捉声音。

2. The cardioid pattern helps reduce background noise in recordings.
心形模式有助于减少录音中的背景噪音。

3. The cardioid shape of the speaker allows for focused sound projection.
扬声器的心形形状使得声音投射更加集中。

4. The cardioid pickup pattern is great for recording vocals in a studio setting.
心形拾音模式非常适合在录音室中录制人声。

5. The cardioid response of the microphone provides excellent off-axis rejection.
麦克风的心形响应提供了出色的侧向抑制。

6. The cardioid pattern is commonly used in live sound reinforcement applications.
心形模式在现场音响增强应用中常被使用。