Project description
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◦ Noise in car environments
◦ Noise environments: a total of 270 types
- car types: small/medium/large
- driving conditions: engine off (in/out of building), 30km/h, 50km/h, 80km/h,
100km/h
- road: cement/asphalt/national road/local road/highway
- window: engine stopped with windows closed/open, running with
windows closed
- others: state, direction, level of air-con, state, genre, volume of
audio
◦ Sampling and data format
- microphones: 24,000 Hz, 16 bit Windows wave format
- handsfree: 8,000 Hz, 16 bit Windows wave format |