Run the Task

HPE IDOL Speech Server provides four preconfigured speech-to-text tasks:

There are also four preconfigured speech-to-text tasks that perform speech-to-text but also include simple sentence-forming punctuation (for example, full stops and initial capital letters) in the .CTM file:

These tasks work in exactly the same way as their non-punctuated counterparts.You can also use the PunctuateCtm task has been added to add punctuation to any .CTM file. For more information, see the HPE IDOL Speech Server Reference.

To run speech-to-text on an audio file

For example:

http://localhost:13000/action=AddTask&Type=WavToText&File=C:/myData/Speech.wav&Out=SpeechTranscript.ctm&Lang=ENUS

This action uses port 13000 to instruct HPE IDOL Speech Server, which is located on the local machine, to perform the WavToText task on the Speech.wav file and write the results to the SpeechTranscript.ctm file. The Speech.wav file contains U.S. English dialect speech.

If you are using a lattice file and want to reduce the lattice output size by including only one sample of each word in a specific window size, you can also set the LatWinSize parameter. See Use a Lattice File and the HPE IDOL Speech Server Reference for more information.

This action returns a token. You can use the token to:

When you use HPE IDOL Speech Server to process multiple data streams or files at the same time, the server might not have enough CPU or memory to process all of them at once. Speech-to-text operation is very CPU-intensive. To check whether a server has sufficient resources to run a WavToText task, send a CheckResources action. See Check Available Resources.


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