speech coder

speech coder

[′spēch ‚kōd·ər]
(communications)
A device that uses data-compression techniques to convert a high-bit-rate signal resulting from digital pulse-code modulation of speech to a low-rate digital signal that can be transmitted or stored.
References in periodicals archive ?
A final section presents MATLAB programs for a speech coder and a music coder.
RealSpeak Word uses a new approach to achieve high quality synthesis for predefined words and idioms based on a coding-by-synthesis model rather than the traditional method of recording the audio data and then using a speech coder.
The speech coder is based on a residually excited linear predictive coder, enhanced by including a long term predictor (LTP).
He was also a senior research engineer in AT&T Bell Labs where he developed voice and video compression technologies, including the speech coder that is now the standard for CDMA cellular in North America.
Its DSP cores are architected to maximize the density of SMV (IS-893), the latest speech coder used in CDMA2000 networks.
This patent-pending technique is based on a coding-by-synthesis model rather than the traditional method of recording the audio data and then using a speech coder.
ARM Codec is a speech coder for compression/decompression, is a piece of software that compresses digitized speech to reduce transmission channel or storage capacity requirements, and then decompresses received samples to reconstruct the original speech signal with minor loss in signal quality.
AMR is a low bandwidth speech coder standard, designed especially for use in next generation 2.
We are employing proprietary packet-voice-specific instructions to achieve lightning-fast speech coder algorithm execution," explained H.
Ericsson will also provide GMCC with its Enhanced Full Rate speech coder solution, which improves the voice quality of GSM, particularly for women and children's voices, which have higher frequencies than men's.
1, an international standard established by the International Telecommunications Union and the speech coder recently selected by the Voice over IP (VoIP) Activity Group, part of the International Multimedia Teleconferencing Consortium (IMTC), as the preferred speech coder for Internet telephony over modem connections.