PICTalker is a low cost allophone-based system for synthesis speech. The system use PIC16F628 microcontroller as main processor. You need a PIC development system and programmer, and Microsoft QBasic to program the microcontroller and EEPROMs to build this poject.
Speech quality is somewhat inferior to that from an SPO256 system. Most people immediately understand most or all of the speech it produces provided sufficient care is taken when constructing words from the component allophones. The speech is significantly easier to understand if the loudspeaker used has poor base response.
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Documentation and source code
tag : low cost speech synthesizer, PIC project (src)
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