VoIP: State of art for global connectivity—A critical review
HP Singh, S Singh, J Singh, SA Khan - Journal of Network and Computer …, 2014 - Elsevier
The Internet has revolutionized the telecommunication systems by supporting new
applications and services. Voice over Internet Protocol (VoIP) is one of the most prominent …
applications and services. Voice over Internet Protocol (VoIP) is one of the most prominent …
[HTML][HTML] Review of methods for coding of speech signals
D O'Shaughnessy - EURASIP Journal on Audio, Speech, and Music …, 2023 - Springer
Speech is the most common form of human communication, and many conversations use
digital communication links. For efficient transmission, acoustic speech waveforms are …
digital communication links. For efficient transmission, acoustic speech waveforms are …
Bandwidth extension for hierarchical speech and audio coding in ITU-T Rec. G. 729.1
Recommendation G. 729.1 is a new ITU-T standard which was approved in May 2006. This
recommendation describes a hierarchical speech and audio coding algorithm built on top of …
recommendation describes a hierarchical speech and audio coding algorithm built on top of …
Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
Y Reznik, P Huang - US Patent 8,527,265, 2013 - Google Patents
A scalable speech and audio codec is provided that implements combinatorial spectrum
encoding. A residual signal is obtained from a Code Excited Linear Prediction (CELP) …
encoding. A residual signal is obtained from a Code Excited Linear Prediction (CELP) …
A high-quality speech and audio codec with less than 10-ms delay
JM Valin, TB Terriberry, C Montgomery… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
With increasing quality requirements for multimedia communications, audio codecs must
maintain both high quality and low delay. Typically, audio codecs offer either low delay or …
maintain both high quality and low delay. Typically, audio codecs offer either low delay or …
Audio encoder, audio decoder, methods for encoding and decoding an audio signal, and a computer program
N Rettelbach, B Grill, G Fuchs, S Geyersberger… - US Patent …, 2015 - Google Patents
An encoder for providing an audio stream on the basis of a transform-domain representation
of an input audio signal includes a quantization error calculator configured to deter mine a …
of an input audio signal includes a quantization error calculator configured to deter mine a …
Admission control and scheduling for QoS guarantees for variable-bit-rate applications on wireless channels
Providing differentiated Quality of Service (QoS) over unreliable wireless channels is an
important challenge for supporting several future applications. We analyze a model that has …
important challenge for supporting several future applications. We analyze a model that has …
Noise filer, noise filling parameter calculator encoded audio signal representation, methods and computer program
N Rettelbach, B Grill, G Fuchs, S Geyersberger… - US Patent …, 2015 - Google Patents
A noise filler for providing a noise-filled spectral representation of an audio signal on the
basis of an input spectral representation of the audio signal has a spectral region identifier …
basis of an input spectral representation of the audio signal has a spectral region identifier …
Speech/audio signal processing method and apparatus
LIU Zexin, L Miao - US Patent 9,691,396, 2017 - Google Patents
The present invention discloses a speech/audio signal processing method and apparatus. In
an embodiment, the speech/audio signal processing method includes: when a speech/audio …
an embodiment, the speech/audio signal processing method includes: when a speech/audio …
Encoding device, decoding device, and methods thereof based on subbands common to past and current frames
T Yamanashi, M Oshikiri - US Patent 8,352,258, 2013 - Google Patents
An encoding device includes: a frequency region converter which converts an inputted
audio signal into a frequency region; a band selector which selects a quantization object …
audio signal into a frequency region; a band selector which selects a quantization object …