Wednesday, December 31, 2008 12:16 PMHello dearCan any one provide me code to convert wav file to Text data and how can i change the languageID from 1033 to 291. thanks in advance.With RegardMunish Bhargav
Wednesday, December 31, 2008 1:19 PMModeratorWhat is a wave file converted to text? What do you expect the text to look like? What 'languageid' are you referring to?
Stephen J Whiteley
Saturday, January 03, 2009 4:32 PMHi Munish,
I think you maybe thinking of what is known as SPEECH RECOGNITION software so that when somebody says a word like "one" then the letters that spell the word are inserted into a TextBox or similar.
For links to VB.Net tutorials see here.>> http://social.msdn.microsoft.com/Forums/en-US/vblanguage/thread/29f2179b-997b-4115-a96d-a0834853b835
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- Edited by John Anthony Oliver Saturday, January 03, 2009 4:33 PM .
Sunday, January 04, 2009 11:35 PMModeratorSJ is correct - you do not want to convert the wav file to a text file - that would be meaningless.
What you want to do is read or modify a specific portion of a wav file header - and that you can certainly do. But you're going to have to know all about the wav format encoding so that you can decode it and change the appropriate values.
I think you'll want to start here: http://www.sonicspot.com/guide/wavefiles.html
You'll want to start by reading the entire wav file into a byte array (System.IO.File.ReadAllBytes). Then you will begin to read appropriate header values to determine where the chunk you want is located within the array.
I think you're looking for the "Labeled Text Chunk". You'll need to follow the specification to find this chunk within a given file, and then use the offset in the chart to write the appropriate 2-byte value back to the byte array.
Once finished you can use File.WriteAllBytes to replace the original file with your modifications.
Reed Kimble - "When you do things right, people won't be sure you've done anything at all"
- Marked As Answer by Xingwei Hu Wednesday, January 07, 2009 5:35 AM