Noise Reduction for Close Talking with Mobile Phone
Location of Speaker
SNR of raw recording (dB)
SNR after noise reduction (dB)
On airplane I
21.90
33.63
On airplane II
24.19
36.21
In quiet office with transmission noise
40.69
52.42
In parked car with fan running
25.74
28.71
In parked car with engine running
28.54
46.67
In speeding car (~60 mph)
25.22
36.49
On train I
20.36
30.33
On train II
22.02
33.42
For the best performance, please use a headphone or loudspeaker while playing the audio files. Two different mobile phones were used for the recordings. Locations: Car - NJ highway; Train - NJ transit system; Airport - Washington DC Dulles International Airport
Receiver’s location: LcT’s office in Florham Park, NJ
For the best performance, please use a headphone or loudspeaker while playing the audio files. Two different mobile phones were used for the recordings. Locations: Car - NJ highway; Train - NJ transit system; Airport - Washington DC Dulles International Airport
