Hello,
I have confusion regarding search tree creation. There are concept of root channel, non-root channel, and word channel in pocketsphinx. I read the well known thesis written by Mosur K. Ravishankar. Can anybody tell me how they are crated with example or you can send me link for documentation on this.
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Channels are nodes in lexical tree. It might not be a good name, but it was chosen somehow. root channel is the node in the beginning of lextree, non-root nodes are all other nodes.
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Thanks for your reply.
I need it in detail. There are another term word channel which has been searched parallel with root and non-root channel. I know it is time taking to discuss all this but it will be very much helpful to me if you can describe it in detail or can provide me any written document on this with example.
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I am confused between the theory and the practical implementation of the code. In the code i have seen, root channels are nothing but unique diphone from initial part of words. Remaining phoneme but the last kept in non-root channel.
Then how to build word channel? If you can clear the scoring part for a frame with those lexical tree structure, it will be beneficial to me to understand the decoding part at least for forward tree search.
Suggestion from others are also welcomed.
Thanks.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Hello,
I have confusion regarding search tree creation. There are concept of root channel, non-root channel, and word channel in pocketsphinx. I read the well known thesis written by Mosur K. Ravishankar. Can anybody tell me how they are crated with example or you can send me link for documentation on this.
Channels are nodes in lexical tree. It might not be a good name, but it was chosen somehow. root channel is the node in the beginning of lextree, non-root nodes are all other nodes.
Thanks for your reply.
I need it in detail. There are another term word channel which has been searched parallel with root and non-root channel. I know it is time taking to discuss all this but it will be very much helpful to me if you can describe it in detail or can provide me any written document on this with example.
Dear Nickolay,
I am confused between the theory and the practical implementation of the code. In the code i have seen, root channels are nothing but unique diphone from initial part of words. Remaining phoneme but the last kept in non-root channel.
Then how to build word channel? If you can clear the scoring part for a frame with those lexical tree structure, it will be beneficial to me to understand the decoding part at least for forward tree search.
Suggestion from others are also welcomed.
Thanks.