Kratzenstein’s background in physiology greatly helped with his understanding of how the movement of air through the vocal folds produce sound which made him successful in producing a speech synthesis. DID YOU KNOW?ĭid you know that the first machine to produce a human sound was created in 1779? Christian Gottlieb Kratzenstein made a model of the human vocal tract named “vowel organ." He used resonance tubes connected to organ pipes with free reeds to produce five long vowel sounds. ![]() ![]() Conversely, a speech-to-text system does the opposite, with speech recognition as its main function. It is part of natural language generation in natural language processing, wherein a machine is programmed to synthesize speech that is similar to the natural voices of humans in pitch, tone, and duration. Text-to-Speech systems, often abbreviated as TTS, is a system that converts phonetic and orthographic transcriptions into artificial speech.
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