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This merge request

• adds a warning in make_frames method in audio_processing module, issued when the estimated size of the output frames exceeds 10% of system memory.

• adds a segment method to the audio class, which splits the audio signal into equal length segments, while also handling annotations

• adds a check of memory usage in the create_spec_database method; if too much memory is used, the audio signal is segmented before the spectrogram is computed

• improves parsing of file names in the audio class to ensure correct behaviour also on Windows

• adds option to enforce same length when extracting annotated segments from a spectrogram. If an annotation is shorter than the specified length, the annotation box is stretched; if it is shorter, the box is divided into several segments.

Obs: Remember to update development log when merging

Obs-obs: Remember to remove pip install psutil from gitlab-ci.yml script once Docker image has been updated