Segments

A Segment is a slice of a radiotool.composer.Track.

class radiotool.composer.Segment(track, comp_location, start, duration)

A slice of a radiotool.composer.Track

__init__(track, comp_location, start, duration)

Create a segment from a track.

The segment represents part of a track (from start, for duration seconds) and will be played at location comp_location when added to a composition.

Parameters:

• track (radiotool.composer.Track) – Track to create segment from
• comp_location (float) – Location in composition to play this segment (in seconds)
• start (float) – Start of segment (in seconds)
• duration (float) – Duration of segment (in seconds)

get_frames(channels=2)

Get numpy array of frames corresponding to the segment.

Parameters:channels (integer) – Number of channels in output array Returns:Array of frames in the segment Return type:numpy array

class radiotool.composer.TimeStretchSegment(track, comp_location, start, orig_duration, new_duration)

Like a radiotool.composer.Segment, but stretches time to fit a specified duration.

__init__(track, comp_location, start, orig_duration, new_duration)

Create a time-stetched segment.

It acts like a radiotool.composer.Segment but you can specify the target duration. The segment will then resample its frames to meet this duration.

Parameters:

• track (radiotool.composer.Track) – Track to slice
• comp_location (float) – Location in composition to play this segment (in seconds)
• start (float) – Start of segment (in seconds)
• orig_duration (float) – Original duration of segment (in seconds)
• new_duration (float) – Target (stretched) duration of segment (in seconds)