Changeset 2609 for Trunk/Scripts/Audio_scripts/AudioSegmentation/AudioBook/Audio.pm

Timestamp:

06/10/08 13:28:34 (7 months ago)

Author:

kmaclean

Message:

AudioSegmentation scripts - snapshot

Files:

• Trunk/Scripts/Audio_scripts/AudioSegmentation/AudioBook/Audio.pm (modified) (1 diff)

Trunk/Scripts/Audio_scripts/AudioSegmentation/AudioBook/Audio.pm

@@ -80 +80 @@
-        $command = ("HVite -A -D -T 1 -a -b SENT-END -m -C $htk_files/wav_config -H $htk_files/models/macros -H $htk_files/models/hmmdefs -m -t 250.0 150.0 1000.0 -I $segmentMlf -i $aligned_out $dict $htk_files/models/tiedlist AudioBook/interim_files/missingWordsFolder/$wavfilename > $log"); system($command) == 0 or confess "error: $command failed: $?";
-        return ($aligned_out, $log);
+}
+
+=head3 processMissingWordAudio 
+
+Create a segmented audio file from the original audio file using startTime and endTime generated from segmentation routines.
+
+=cut
+
+sub processMissingWordAudio { # private
+        my ($self,$fromFileName,$startTime,$stopTime,$toFileName) = @_;
+        my $audioBook = $self->{'audioBookObject'};             
+        my $debug = $audioBook->getDebug;       
+        my $htk_files = $audioBook->getHtk_files();
+        my $samplerate = $self->{"samplerate"};
+
+        # HCopy can only process 16 bit files! 
+        # HCopy does not create proper WAV/RIFF Headers!
+        # use TARGETKIND=NOHEAD in HCopy command to remove 'click' noise that HCopy puts at the very beginning of each file it creates
+        # make sure you use NATURALWRITEORDER = T and NATURALREADORDER = T      in the HTK config file  
+        $command = ("HCopy -C $htk_files/copy_config -s $startTime -e $stopTime $fromFileName AudioBook/interim_files/temp.wav"); print "cmd:$command\n" if $debug; system($command); 
+        # sox command to create a proper wav file with a RIFF header; 
+        $command = ("sox  -t .raw -r $samplerate -sw AudioBook/interim_files/temp.wav $toFileName"); print "cmd:$command\n" if $debug; system($command);        
-}
-