From this post:
Hi Ken. Thanks for pointing me towards that draft page. I'm running into the following error when I try to do the forced alignment with my own recording:
Error [+6510] LOpen: Unable to open label file downsampled.lab
Any idea what might be causing the error? It seems to work ok with the example files given on the draft page of audio segmenting.
Thanks,
Dan
--- (Edited on 8/23/2008 12:33 pm [GMT-0400] by kmaclean) ---
Hi DRF,
>Error [+6510] LOpen: Unable to open label file downsampled.lab
HTK is looking for the label file - which is the list of words in your text (in the order they appear in your text).
The label file is contained in your words.mlf file. Usually when creating acoustic models, you have many transcribed audio files. So rather than have many text label files to keep track of, you put them all in a single mlf file (mlf=multiple label file).
HTK assumes that the name of your label file is the same as your wav file - with the ".wav" suffix changed to ".lab". So make sure the prefix of your label file matches that of your audio file.
Ken
--- (Edited on 8/23/2008 12:33 pm [GMT-0400] by kmaclean) ---