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OVERVIEW PRODUCTS


VOICE BIOMETRIC TECHNOLOGIES:
Automatic text independent speaker identification system
is intended for automatic identification of a speech signal of unknown voice by comparing with "speaker cards", existing in the database of system. ...
Automatic voice transcription system
is used for making phonetic transcription of a speech signal of unknown voice and its language identification. ...

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. ...
 





DSP DEVELOPMENT BOARDS:
'm-board-vc33' Audio DSP board on the base of TI TMS320VC33 DSP uses for development of DSP alghorithms with float-point operations ...

SPEECH ENHANCEMENT TECHNOLOGIES:
Single-microphone solution
of speech enhancement can be used for reduction of external hindrances and broadband color noises in speech signal. Controlled level of noises suppression in speech is up to 60 dB. ...
Multi-microphone solution
can be effectively used when noise from many different sources needs to be canceled. In its simplest form the technique uses two microphone solution. Speaker is recorded synchronous with the source of hindrance (noise). The first microphone bases near by speaker, but the second one bases near by source of hindrance or noise. ...
Microphone Array solution
of speech enhancement can be used for reduction of external hindrances and ambient noises in speech source signal. In its simplest form the technique uses two array microphone configurations. By using acoustical beam-forming techniques, the microphone array can "focus" on the speaker's position. ...