This is VoCo, it allows you to change words in a voiceover simply by typing new words. The software is codenamed Project VoCo, and its not clear at this time when it will materialize as a commercial product. The standout feature, however, is the ability to add words not originally found in the audio file. Project VoCo can also apparently generate new words using a speakers recorded voice. Essentially, the software can understand the makeup of a persons voice and replicate it.
A Photoshop for Sound Changes What People Have Said
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