21. Also capturing Corona's attention were the ambient noise of Deathprod ( active from 1994 ). 22. There is a lot of ambient noise you have to fight in a big production. 23. Prior to Stray, Mukul founded Transmit Audio Lab, an ambient noise / found sound collective. 24. This reduces the ambient noise at the crossing, which may be desirable in residential areas. 25. They feature a noise-cancelling microphone that works over bluetooth to reduce ambient noise over phone calls. 26. Rain can produce high levels of ambient noise . 27. Ambient noise , atonal piano and archaic synthesizer figures are assimilated into the music with remarkable ease.28. Transient sound sources also contribute to ambient noise . 29. When there's a lull in conversation, there's enough ambient noise to keep the party going ." 30. They usually block some of the ambient noise .