nzilbb.formatter.htk.mlf (1.4.0)

Serializer/Deserializer of files for use with the HMM Toolkit (HTK).

Deserializer for Master Label File (MLF) files produced by HTK.

.mlf files are ASCII encoded and can contain multiple graphs and multiple layers:

#!MLF!#
".../AP511_MikeThorpe.eaf_1.373_7.131.lab"
0 700000 sil SILENCE
700000 1900000 _# ah
1900000 1900000 sp
1900000 3300000 _w w~
3300000 4000000 _@
4000000 4000000 sp
4000000 5700000 sil SILENCE
5700000 6700000 _w well
6700000 7000000 _E
7000000 7300000 _l
7300000 7300000 sp
7300000 8300000 _2 i
8300000 8300000 sp
12400000 20100000 sil SILENCE
.
".../AP511_MikeThorpe.eaf_7.131_13.887.lab"
0 500000 sil SILENCE
500000 800000 _D the
800000 1100000 _i
1100000 1100000 sp
1100000 2200000 _f first
2200000 3100000 _3
3100000 3500000 _s
3500000 3800000 _t
3800000 3800000 sp
3800000 4100000 _w one
4100000 4500000 _V
4500000 5100000 _n
5100000 5100000 sp
5100000 5500000 _b being
5500000 5900000 _i
5900000 6200000 _I
6200000 6900000 _N
6900000 6900000 sp
...

The space-separated columns are:

1. Start time (in 100ns)
2. End time (in 100ns)
3. The label for the phone
4. The label for the word (optional)