背景音 meaning in English

background sound

Sound ) this is a ringtone popular among filipinos in the last two years
（背景音）这是一段近两年菲律宾流行的铃声。
Scenario 5 had no music or ambient sounds ( background noise , like birds and wind )
场景5缺少音乐或者环境音（背景音，比如鸟叫或者风声）。
If you listen carefully to this piece of music , you can hear a flute in the background
如果你认真的听这段音乐，你可以听到背景音上有长笛的演奏。
The crew may run close to the clamorous surface during rainstorms or navigate along polar regions , where the formation , breakup and wave - beating of ice can produce background clatter as loud as 55 to 80 decibels
潜艇往往在发生暴风雨时，靠近吵杂的海面，或选择在极地周围航行，在这一带会有冰块生成、破裂，以及海浪拍击等形成的背景音，往往高达55 ~ 80分贝。