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EP2373014A4 - Unified speech/audio codec (usac) …
https://patents.google.com/patent/EP2373014A4/en
G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or...
CN103534754A - Audio codec using noise synthesis …
https://patents.google.com/patent/CN103534754A/en
A parametric background noise estimate is continuously updated during an active or non-silence phase so that the noise generation may immediately be started with upon the entrance of an inactive phase following the active phase. In accordance with another aspect, a spectral domain is very efficiently used in order to parameterize the background noise thereby yielding a …
Text 2 Speech Synthesizer - Columbia University
http://www1.cs.columbia.edu/~sedwards/classes/2005/4840/reports/Speech.pdf
To make sure our audio codec was working we created a new version of the project which did not include any of the speech synthesis program code and instead contained only a program that output text to the minicom window and a single tone to the audio CODEC. After numerous iterations through interrupt
SoundStream: An End-to-End Neural Audio Codec | DeepAI
https://deepai.org/publication/soundstream-an-end-to-end-neural-audio-codec
We present SoundStream, a novel neural audio codec that can efficiently compress speech, music and general audio at bitrates normally targeted by speech-tailored codecs. SoundStream relies on a model architecture composed by a fully convolutional encoder/decoder network and a residual vector quantizer, which are trained jointly end-to-end.
Audio codecs - Columbia University
https://www.cs.columbia.edu/~hgs/audio/codecs.html
Superceded by G.726; obsolete. This is a completely different codec than G.723.1. G.723.1: ITU-T: Dual rate speech coder for multimedia communications transmitting at 5.3 and 6.3 kbit/s 5.6/6.3 8 30 Part of H.324 video conferencing. DSP Group. It encodes speech or other audio signals in frames using linear predictive analysis-by-synthesis coding.
Synthesis Chapter Four: Speech Synthesis and the Channel ...
https://cmtext.indiana.edu/synthesis/chapter4_speech_vocoder2.php
The Channel Vocoder: Early Electronic Speech Synthesis The Channel Vocoder (a contraction/acronym for VOice enCODER) was developed by Homer Dudley in 1938 along with his Voder (Voice Operation DEmonstratoR) in 1939. Dudley began exploration into electronically emulating human speech physiology in 1928 while working for Bell Labs.
Enhancement of Coded Speech Using Neural Network …
https://ieeexplore.ieee.org/document/9524924/
Speech and audio codecs have been studied extensively to realize higher perceived quality with lower bitrate for either compressed storage or efficient transmission such as speech communication and broadcasting [1]– [4].
Speech synthesis: A review of the best text to speech ...
https://theaisummer.com/text-to-speech/
To generate the final speech segment, a Neural vocoder is typically used. A traditional vocoder is a category of voice codec which encrypts and compresses the audio signal and vice versa. This was traditionally accomplished through digital signal processing techniques. A neural vocoder achieves the encoding/decoding using a neural network. WaveNet
Audio and Speech - Microchip Technology
https://www.microchip.com/en-us/solutions/consumer/audio-and-speech
Audio Encoder/Decoder Solutions G.711, G.726A and Speex Encoders G.711, G762A and Speex Decoders PCM and ADPCM Encoders AAC, MP3, FLAC, WAVE, OPUS, WMA, ADPCM and Speex Decoders Basic Audio and Math/DSP Libraries Basic Audio Solutions Math/DSP Libraries DSP Processing Bluetooth® Audio Bluetooth Communication Stack on MCU
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