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MP3 to Text

srithi asked
i have some speeches(MP3 format)...how can i convert them into text files....
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dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.

Probably need two computers.  The first plays the MP3s out through the speakers.  The second has voice recognition software such as Dragon Dictate and converts it into text.  You will need a microphone on the second computer.

Actually, one computer might be enough.
Most of the sound cards today are Full-Duplex (e.g. can play and get input at the same time) so connecting the output to the input of the sound card (physically or with a software that just redirect the output) will solve the problem. But, the main problem is to get a good speech recognition software.
Microsoft have one (MS dictation).
IBM have a better one, but none of them are 100% precise, and both of them requires a lot of pre-training.
None of them is a freeware, but I think the MS-Dictation have a shareware version.
Good Luck.


MS-Dictation ??? i could not find in microsoft.com,can you plzz write the URL.
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.

The following link indicates some of the common dictation systems around.


You should be able to find a version of these somewhere around.
Download the Speech SDK 5.1 from Microsoft.  One of the bundelled sample source codes takes an audio stream and passes it to a recogniser that produces text.  With a bit of tweaking, you should be able to work out how to pass your MP3s as the audio input (you may have to convert them to wavs) to a recogniser.

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