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Table 1 Acoustic database description

From: Classification of heterogeneous text data for robust domain-specific language modeling

Acoustic database

Hours

Sampling (kHz)

Resolution (bit)

Microphone type

Sound environment and conditions

APD1 database

100

48

16

Close-talk headset

Sound studio conditions

APD2 database

150

48

16

Close-talk headset

Offices and conference rooms

PAR database

90

44

24

Gooseneck condenser

Main conference hall of the Slovak Parliament

BN1 database

145

48

16

TV DVB-S PCI card

Sound studio, telephone, and degraded speech

BN2 database

35

48

16

TV DVB-S PCI card

Sound studio, telephone, and degraded speech

Evaluation data set

5.25

48

16

Close-talk headset

Sound studio, offices, and conference rooms