Method: LRC File Format
• A file that accompanies a piece of audio
• The LRC file consists of words and time stamps
• Audio file is not modified in any way
LRC File Simple Syntax
[mm:ss.xx] lyrics line 1
[mm:ss.xx] lyrics line 2
...
[mm:ss.xx] last lyrics line
• Very intuitive to write and read
• Will only display one line at a time, not
specific words
Example of LRC Functionality
LRC File Enhanced Syntax
[mm:ss.xx] <mm:ss.xx> line 1 word 1 <mm:ss.xx> line 1 word 2
<mm:ss.xx> ... line 1 last word <mm:ss.xx>
[mm:ss.xx] <mm:ss.xx> line 2 word 1 <mm:ss.xx> line 2 word 2
<mm:ss.xx> ... line 2 last word <mm:ss.xx>
...
[mm:ss.xx] <mm:ss.xx> last line word 1 <mm:ss.xx> last line word 2
<mm:ss.xx> ... last line last word <mm:ss.xx>
• The enhanced format provides greater flexibility and accuracy
while synchronizing text
• Limited in that the user is not able to synchronize by syllable
Execution
• There are several available programs that
allow the end user to view the synchronization
• The LRC file typically has the same name as
the audio file
• Some programs allow for files to be developed
for videos, much like subtitles
Advantages
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•
•
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Anyone can synchronize text to audio
Completely separate synchronization file
Easy to modify to improve accuracy
Extensive library of files exists
Limitations
• Cannot synchronize anything smaller than a word
• Great effort is needed to generate word level
synchronization