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All products include a free evaluation period for your first installation only. To continue using these programs after your evaluation period has expired, you should purchase a license (use Online Request form) or buy online now.

   PC Demo    DSP Demo    SDK Demo
 
  SPEECH ENHANCEMENT TECHNOLOGIES:
 


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GritTec's Noise Cancellation SDK (Ver 2.3x)
It's demo version of Software Development Kit (SDK) for reducing the external hindrances and background noises in speech signal. NC can be used as for the selection of speech signal, so and for the selection of background noises.

 Signal requirement:
  • Signal format: 16-bits linear;
  • 6 kHz, ..., 48 kHz sampling rate.
Platforms:
- MS Windows x86/x64;
- Linux x86/x64;
- Linux Arm Cortex-A9;
- TI TMS320VC33 DSP;
- ARM Cortex M3.

Download:
- SDK under Win x86/x64;
- SDK under Linux x86/x64;
- SDK under Linux Arm Cortex-A9;
- SDK under ARM Cortex M3;
- Free SDK under 'm-board-vc33' board with TI TMS320VC33 DSP.
Full Discription, API Description (100 Kb)
 


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GritTec's Dual Microphone Array SDK (Ver 2.10)
It's demo version of Software Development Kit (SDK) for the suppression of external hindrances and surrounding noises in chosen direction source of the speech. The sources of external hindrances can be an external noise of car, speech of collocutor, music and any other sounds, coming from directions, different from direction of the chosen source of the speech.

 Signal requirement:
  • Signal format: 16-bits linear, channels: 2 (stereo);
  • 8 kHz, 16 kHz and 32 kHz sampling rate.
Platforms:
- MS Windows x86/x64;
- Linux x86;
- Linux Arm Cortex-A9;
- TI TMS320VC33 DSP.

Download:
- SDK under Win x86/x64;
- SDK under Linux x86;
- SDK under Linux Arm Cortex-A9.
Full Discription, API Description (100 Kb)
 
  AUDIO-SPEECH EFFECTS TECHNOLOGIES:
 


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GritTec's Pitch Shift in Speech & Audio Signals (Ver 1.10)
It's demo version of Software Development Kit (SDK) for pitch scale modification (changing the harmonics structure) of speech and audio signals. Pitch shift technology can be effectively used for changing initial music or voice into another music or voice (audio-speech effect).

 Signal requirement:
  • Signal format: 16-bits linear;
  • 8 kHz, ..., 48 kHz sampling rate.
Platforms:
- MS Windows x86/x64;
- TI TMS320VC33 DSP;
- ARM7, ARM Cortex M3.

Download:
- SDK under Win x86/x64;
Full Discription, API Description (180 Kb)
 


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GritTec's Time Stretching in Speech and Audio Signals (Ver 1.03)
It's demo version of Software Development Kit (SDK) for time stretching. This SDK is used for changing playback speed of music (audio effect) or speech (speech effect).

 Signal requirement:
  • Signal format: 16-bits linear;
  • 8 kHz, ..., 48 kHz sampling rate.
Platforms:
- MS Windows x86/x64;
- TI TMS320VC33 DSP;
- ARM7, ARM Cortex M3.

Download:
- SDK under Win x86/x64;
- SDK under ARM Cortex M3.
Full Discription, API Description (100 Kb)
 


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GritTec's Sample Rate Converter SDK (Ver 1.30)
It's demo version of Software Development Kit (SDK) for Sample rate converter. Technology used for changing sampling rate in speech and audio signals.

 Signal requirement:
  • Signal format: 16-bits linear;
  • 6 kHz, 8 kHz, 11.025 kHz, 16 kHz, 22.050 kHz, 32 kHz, 44.1 kHz, 48 kHz, and 96 kHz sampling rate.
Platforms:
- MS Windows x86/x64;
- Linux x86.

Download:
- SDK under Win x86/x64;
- SDK under Linux x86;
Full Discription, API Description (100 Kb)
 
  VOICE BIOMETRICS TECHNOLOGIES:
 


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GritTec's Speaker-ID SDK (Ver 4.00)
It's demo version of Software Development Kit (SDK) for voice identification and voice verification. This SDK is intended for automatic identification or verification of a speech signal of unknown speaker by paired comparing with speech signal of target speaker.

 Signal requirement:
  • Signal format: 16-bits linear;
  • 8 kHz sampling rate.
Platforms:
- MS Windows x86/x64;
- Linux x86/x64;

Download:
- SDK under Windows x86/x64;
- SDK under Linux x86/x64;
Full Discription, API Description, Abstract of GritTec's Delivery
 

NOTICE:
Your purchase entitles you to free upgrades for the entire 1.xx series, and allows you to run beta versions.



If you think that GritTec's family products would be useful and you would like to implement this technology into your system, please contact us via Online Request form with subject 'Sales'.

For assistance with GritTec's products and services, please contact us via Online Request form with subject 'Product Information'.