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Audio-Speech Effects

Pitch Shifting technology
is used for pitch scale modification (changing the harmonics structure) of speech and audio signals. Pitch shifting technology can be effectively used for changing initial music or voice into another music or voice (audio-speech effect). ...

Time stretching technology
is used for time scale modification (changing the speed or duration) of an audio signal without affecting its pitch. Principle of functioning algorithm is based on time-domain modification using SOLA technology, such as Waveform Synchronized Overlap-Add (WSOLA). ...

Sample Rate Converter
is technology used for changing sampling rate in speech and audio signals. Principle of functioning algorithm is based on methods of interpolation. ...