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EURASIP Journal on Audio, Speech, and Music Processing

Table 1 Experimental problem setup specifications

From: Noise power spectral density scaled SNR response estimation with restricted range search for sound source localisation using unmanned aerial vehicles

UAV scenario

Hovering

Flying

No. of recordings

300

36

Duration (s)

∼ 3

4

Sampling rate (kHz)

44.1

44.1

Target sound types

Speech

Speech and broadband

STFT time frames T

∼ 128

45 (0.0833 s intervals)

STFT time frames post (13)–(16)

1

15 (0.25 s intervals)

  1. For the flying UAV scenario (i.e. tasks 2 and 3), azimuth and elevation angles of the source are taken as a mean value within a 500-ms window centred on each of its given time-stamps
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