espnet2.fileio.rttm.RttmReader

source

class espnet2.fileio.rttm.RttmReader(fname: str)

Bases: Mapping

Reader class for ‘rttm.scp’.

Examples

SPEAKER file1 1 0 1023 <NA> <NA> spk1 <NA> SPEAKER file1 2 4000 3023 <NA> <NA> spk2 <NA> SPEAKER file1 3 500 4023 <NA> <NA> spk1 <NA> END file1 <NA> 4023 <NA> <NA> <NA> <NA>

This is an extend version of standard RTTM format for espnet. The difference including:

1. Use sample number instead of absolute time
2. has a END label to represent the duration of a recording
3. replace duration (5th field) with end time (For standard RTTM,

see https://catalog.ldc.upenn.edu/docs/LDC2004T12/RTTM-format-v13.pdf)

…

>>> reader = RttmReader('rttm')
>>> spk_label = reader["file1"]

keys() → a set-like object providing a view on D's keys