New TWELP 2400 bps Robust and 4800 bps Robust vocoders provide highest speech quality in very noisy channel- much better than any known vocoders as, for example, MELPe 2400 bps and GSM AMR 4750 bps vocoders respectively.

TWELP 2400 bps Robust vocoder
TWELP 4800 bps Robust vocoder


New TWELP 1600 bps vocoder provides speech quality better than MELPe 2400 bps vocoder.

TWELP 1600 bps vocoder


New TWELP 3600 bps vocoder provides speech quality close to GSM AMR 5150 bps vocoder.

TWELP 3600 bps vocoder


The updated TWELP 2400 bps vocoder provides speech quality as GSM AMR 4750 bps vocoder.

TWELP 2400 bps vocoder


We added important feature into descriptions of all our products:

Vulnerability / Security. DSPINI guarantees ABSOLUTE cleanliness of the software from any undocumented features, undeclared capabilities, etc. All our customers can be sure that any our software/ code doesn't contain any secret functions and features hidden from user. We are ready to provide source codes of our software products for an appropriate certification if need.

This guarantee concerns ANY software / codes, as delivered earlier as well as that will be delivered in the future.