Sound engineers utilize a range of techniques to enhance the quality of the recordings.
音响工程师利用一系列的技术来提高录音质量。
《柯林斯英汉双解大词典》
2
When female cowbirds raised in isolation in sound-proof chambers were exposed to recordings of male song, they responded by exhibiting mating behavior.
当把雌性牛鹂单独养在隔音的房间里，让它们听到雄性的歌声，它们就会表现出交配行为。
3
Using objects such as mirrors or video recordings as they practice can show speakers what they look and sound like to the audience.