Intelligibility encoding the message in signal

The final central task is intelligibility. For our purposes, we define intelligibility as the ability of a listener to decode the message from the speech. As such, this does not include any measure of comprehension directly, but the idea is that if the listener can decode the message properly they should be able to understand it with the same ability as they could the same message spoken by a human. Because of that we can sometimes measme intelligibility with comprehension tests this is usually done with content that may be hard to decode, but is often not difficult to understand (e.g. a simple sentence address or telephone munber). 

2 Today s systems are massively more accurate with respect to text analysis, and so any text processing errors in systems such as MITalk have to be eliminated if a comparison of synthesis encoding with respect to intelligibility is to be performed. 

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