Digital Audio Scene Recognition Method Based on Machine Learning Technology

Table 2

Scene classification results of the proposed method (%).

Audio scene	Development set	Validation set
Sandy beach	89.6	76.3
Transit	98.2	71.9
Coffee/restaurant	88.3	81.2
Automobile	99.0	92.4
Center	89.7	88.7
Forest giants	99.8	95.5
Grocery store	93.6	75.8
Home	84.1	93.6
Library	88.5	62.1
Metro station	99.2	98.1
Office	98.9	83.4
Park	80.3	66.8
Neighborhood	86.8	74.3
Train	91.4	90.6
Tram	92.7	71.0
Average	92.0	81.4