Speech coding is an application of data compression to digital audio signals containing speech. Speech coding uses speech-specific parameter estimation...

Linear predictive coding (LPC) is a method used mostly in audio signal processing and speech processing for representing the spectral envelope of a digital...

Excitation Coding, abbreviated as HVXC is a speech coding algorithm specified in MPEG-4 Part 3 (MPEG-4 Audio) standard for very low bit rate speech coding. HVXC...

A speech code is any rule or regulation that limits, restricts, or bans speech beyond the strict legal limitations upon freedom of speech or press found...

Code as speech is the legal and philosophical doctrine in the United States that computer source code and similar digital expressions are forms of speech...

of human behavior, which is speech acts. A basic definition of speech code by sociologist Basil Bernstein is, "...a coding principle is a rule governing...

Yusuke; Ohmuro, Hitoshi (August 2008). "Global Standard for Wideband Speech Coding: ITU-T G.711.1 (G.711 wideband extension)". NTT Technical Review. Nippon...

Unified Speech and Audio Coding (USAC) is an audio compression format and codec for both music and speech or any mix of speech and audio using very low...

speech synthesis, research into mechanical speech-synthesizers continues.[independent source needed] Linear predictive coding (LPC), a form of speech...

source coding: encoding is done at the source of the data before it is stored or transmitted. Source coding should not be confused with channel coding, for...

Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. It was developed by Dolby, AT&T, Fraunhofer and Sony, originally...

at Bell Labs in 1973. Perceptual coding was first used for speech coding compression, with linear predictive coding (LPC). Initial concepts for LPC date...

ITU-T standard wideband speech codec operating at 48, 56 and 64 kbit/s, based on subband coding with two channels and ADPCM coding of each. Before the digitization...

Algebraic code-excited linear prediction (ACELP) is a speech coding algorithm in which a limited set of pulses is distributed as excitation to a linear...

from lossy speech coding (HVXC, CELP), general audio coding (AAC, TwinVQ, BSAC), lossless audio compression (MPEG-4 SLS, Audio Lossless Coding, MPEG-4 DST)...

Code-excited linear prediction (CELP) is a linear predictive speech coding algorithm originally proposed by Manfred R. Schroeder and Bishnu S. Atal in...

(/ˈvoʊkoʊdər/, a portmanteau of voice and encoder) is a category of speech coding that analyzes and synthesizes the human voice signal for audio data...

works in field of speech recognition using analysis of its spectrum were reported in the 1940s. Linear predictive coding (LPC), a speech processing algorithm...

perform nearly as well at only slightly higher bitrates have led to this speech coding standard being less used in modern voice recording equipment. The DSS...

GSM), was the first digital speech coding standard used in the GSM digital mobile phone system. It uses linear predictive coding (LPC). The bit rate of the...

as SDTV, HDTV and VOD), digital radio (such as AAC+ and DAB+), and speech coding (such as AAC-LD, Siren and Opus). DCTs are also important to numerous...

into very low bit-rates by special component called speech coding, voice compression or voice coder (also known as vocoder). The old secure voice compression...

collaborators at Bell Labs. Perceptual coding was first used for speech coding compression with linear predictive coding (LPC), which has origins in the work...

Mixed-excitation linear prediction (MELP) is a United States Department of Defense speech coding standard used mainly in military applications and satellite communications...

diarization, speech coding and speech recognition. It can facilitate speech processing, and can also be used to deactivate some processes during non-speech section...

Enhanced Full Rate or EFR or GSM-EFR or GSM 06.60 is a speech coding standard that was developed in order to improve the quality of GSM. Enhanced Full...

TIA/EIA standard IS-641 is a speech coding standard released in 1996 and used in some computer and telecommunications networks in the United States. The...

platforms described below. The research activities into Speech coding started even before the ones on speech recognition and synthesis, aiming to build equipment...

In the United States, freedom of speech and expression is strongly protected from government restrictions by the First Amendment to the U.S. Constitution...

patented wideband speech audio coding standard developed based on Adaptive Multi-Rate encoding, using a similar methodology to algebraic code-excited linear...