Noesis Technologies 
Short Desc. : ntCVSD Continuously variable slope delta modulation
Overview :
The growth in wireless communication systems, cellular mobile radio
and VoIP technology has created the imperative need for bandwidth
efficient, high speed quality voice coding algorithms. The fundamental
principle of the CVSD algorithm is the encoding of one bit per sample.
For example an audio signal sampled at 32 KHz will be compressed to
32 Kbps.
Features : - CVSD compression and decompression algorithm.
- The core can be configured either as a CVSD encoder or as a CVSD decoder.
- Support for 16-bit PCM speech input (sampled at 8 KHz) or audio input (sampled at 16 KHz).
- Higher sampling rates can also be supported.
- Innovative fully digital CVSD algorithm implementation, no requirement for analog parts.
- Verified speech quality with ITU-T PESQ model.
- Compliant with legacy CVSD implementations.
- Compliant with Bluetooth CVSD specification.
- Portable to any FPGA/ASIC technology.
Categories :
Portability :
Type : Soft
S2C: FPGA Base prototyping- Download white paper

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