[SRILM User List] lattice-tool error while loading mesh

[Andreas Stolcke]

On 7/11/2012 6:04 PM, Long Qin wrote:
> Hi Andreas,
>
> Thanks for answering my question.
>
> Yes, I did use the nbest-lattice -use-mesh -nbest-backtrace. The 
> attachment files are the nbest file and the mesh file. Is there 
> anything wrong with it?
Your nbest file is fine, but there was a bug in the nbest list parser 
that would lead to incorrect mesh files when no pronunciation 
information was given (as in your case).   The attached patch should fix 
this.  You will have to rebuild nbest-lattice and then regenerate the 
mesh file.

Andreas

-------------- next part --------------
diff -c -r1.83 NBest.cc
*** lm/src/NBest.cc	6 Jul 2012 06:43:26 -0000	1.83
--- lm/src/NBest.cc	12 Jul 2012 01:57:40 -0000
***************
*** 620,626 ****
  		    /*
  		     * save pronunciation info for previous word
  		     */
! 		    if (prevWordInfo) {
  			prevWordInfo->phones = strdup(phones);
  			assert(prevWordInfo->phones != 0);
  
--- 620,626 ----
  		    /*
  		     * save pronunciation info for previous word
  		     */
! 		    if (prevWordInfo && phones[0] != '\0') {
  			prevWordInfo->phones = strdup(phones);
  			assert(prevWordInfo->phones != 0);
  
***************
*** 695,701 ****
  	    /*
  	     * save pronunciation info for last word
  	     */
! 	    if (prevWordInfo) {
  		prevWordInfo->phones = strdup(phones);
  		assert(prevWordInfo->phones != 0);
  
--- 695,701 ----
  	    /*
  	     * save pronunciation info for last word
  	     */
! 	    if (prevWordInfo && phones[0] != '\0') {
  		prevWordInfo->phones = strdup(phones);
  		assert(prevWordInfo->phones != 0);