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Temporal Noise Shaping, Quantization And Coding Methods …
https://mp3-tech.org/programmer/docs/Temporal%20Noise%20Shaping%20Quantization%20and%20Coding%20Methods%20in%20Perceptual%20Audio%20Coding%20-%20A%20Tutorial%20Introduction.pdf
perceptual audio coding and describe the so-called Temporal Noise Shaping (TNS) technology. In particular, the principle and theoretical background of the TNS approach is discussed along with its integration into a perceptual audio codec. In the second part of the paper, the fundamental issues of quantization and coding in a perceptual audio coder
US6725192B1 - Audio coding and quantization method ...
https://patents.google.com/patent/US6725192B1/en
The audio coding quantization method of the present embodiment is effective in providing high coding quality without providing high signal-to-noise ratios. It is possible to speedily carry out the iterative process that converges when the total bit count is within some interval surrounding the allocated bit count, while preventing the ...
Fundamentals of Perceptual Audio Coding
https://ocw.mit.edu/courses/health-sciences-and-technology/hst-723j-neural-coding-and-perception-of-sound-spring-2005/labs/fmntlprcptlaudio.pdf
quantization noise. • Perceptual Audio Encoding is the encoding of audio signals, incorporating psychoacoustic knowledge of the auditory system, in order to reduce the amount of bits necessary to faithfully reproduce the signal. • MPEG-1 Layer III (aka mp3) • MPEG-2 Advanced Audio Coding (AAC)
Audio Coding - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/computer-science/audio-coding
For perceptual audio coding, quantization involves representing the outputs of the filterbank by a finite number of levels with the aim of minimizing the subjective impairments of quantization noise. The characteristics of a quantizer can be specified by means of the step size and the range, as shown in Figure 4.7 .
Quantization And Transmission Of Audio in MULTIMEDIA ...
https://www.wisdomjobs.com/e-university/multimedia-tutorial-270/quantization-and-transmission-of-audio-12776.html
Quantization and transformation of data are collectively known as coding of the data. For audio, the μ - law technique for companding audio signals is usually combined with a simple algorithm that exploits the temporal redundancy present in audio signals.
Lecture 7: Audio compression and coding
https://www.ee.columbia.edu/~dpwe/e6820/lectures/L07-coding.pdf
Outline 1 Information, Compression & Quantization 2 Speech coding 3 Wide-Bandwidth Audio Coding E6820 (Ellis & Mandel) L7: Audio compression and coding March 31, 2009 2 / 37
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