Abstract: This paper introduces V2Coder, a non-autoregressive vocoder based on hierarchical variational autoencoders (VAEs). The hierarchical VAE with hierarchically extended prior and approximate ...
Abstract: The channel vocoder is described. This device achieves bandwidth compression greater than that of the bandpass compressor but less than that of the formant vocoder. To date it has been much ...
This project develops tools for interfacing with Advanced Multiband Excitation (AMBE) hardware vocoder chips developed by Digital Voice Systems, Inc. (DVSI). The proprietary AMBE technology is used in ...
This module implements an interface from gnuradio (and GRC) to a North West Digital Radio (NWDR) AMBE Vocoder USB Stick which contains a DVSI 3000 AMBE encoder/decoder chip. The stick implements a USB ...
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