Play back sound

Aim

To listen to recordings converted to audible frequencies.

Prerequisites

Make sure the computer has speakers enabled.

Procedure

1.In the Call Detection or Call Definition screen, under Playback choose the Pitch reduction value (1/1 to 1/20).

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1/1: No change in pitch.

1/10: Pitch reduced 10 times (e.g. from 60 kHz to 6 kHz).

2.Choose Adjust speed to slow down playback, so you can perceive the changes in pitch for very short calls. If Adjust speed is not selected, the audio file is played at normal speed.

3.Play back audio.

To play back a short section of the audio file, click anywhere within the Entire recording plot, to select an interval. Zoom in/out to adjust the length of the interval. Next, click the Play Interval button.

Alternatively, click a call in the call list, then click the Play Interval button.

To listen to the entire recording, click the Play Recording button.

See also

nHow do I analyze audible sound?