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nzilbb.formatter.est (0.6.0)

Deserializer for Edinburgh Speech Tools (EST) Track files.

Deserializer for Edinburgh Speech Tools (EST) Track files produced by EST, or other tools like Reaper.

Track files are ASCII encoded and start with a small number of header lines like this:

EST_File Track
DataType ascii
NumFrames 60117
NumChannels 1
FrameShift 0.00000
VoicingEnabled true
EST_Header_End

After this, the rest of the file's lines consist of three columns like this:

0.000000 0 -1.000000
0.005000 0 -1.000000
0.010000 0 -1.000000
0.015000 0 -1.000000
0.020000 0 -1.000000
0.025000 0 -1.000000
0.030000 0 -1.000000
...

The columns are:

  1. The time in seconds
  2. 1 (data present in third column) or 0 (ignore data in third columns)
  3. The label for the time point (e.g. in a Reaper .f0 file, it's the estimated value for F0 in Hz)