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Voice Compression > VoIP: An In-Depth Analysis | Cisco Press
https://www.ciscopress.com/articles/article.asp?p=606583&seqNum=4#:~:text=G.729%20%E2%80%94Describes%20CELP%20compression%20that%20enables%20voice%20to,as%20good%20as%20that%20of%2032%20Kbps%20ADPCM.
Lecture 7: Audio Compression & Coding
https://www.ee.columbia.edu/~dpwe/e6820/lectures/E6820-L07-coding-2up.pdf
- FS1016: 4.8 Kbps CELP • ITU G.series - G.726 ADPCM - G.729 Low delay CELP • MPEG - MPEG-Audio layers 1,2,3 - MPEG 2 Advanced Audio Codec - MPEG 4 Synthetic-Natural Hybrid Codec • More recent proprietary ‘standards’ - RA, WMA, Skype ...
Audio Fundamentals, Compression Techniques & Standards
http://ce.sharif.edu/courses/91-92/2/ce873-1/resources/root/Class%20Notes/MMN-lec3-Audio-911121.pdf
PCM, DPCM, ADPCM, CELP, LPC ! Audio Compression ! MPEG Audio Codec ! Perceptual Coding ! MPEG1 ! Layer1 ! Layer2 ! Layer3(MP3) Sound, Sound Wave, Acoustics ! Sound: A continuous wave that travels through a medium ! Sound wave: Energy causes disturbance in a medium, made of pressure differences (measures pressure level at a location) ...
Audio Fundamentals, Compression Techniques & Standards
http://ce.sharif.edu/courses/90-91/2/ce873-1/resources/root/Class%20Notes/MMN-lec3-Audio.pdf
Digital Media Lab - Sharif University of Technology 2 Outlines Audio Fundamentals Sampling, digitization, quantization μ-law and A-law Sound Compression PCM, DPCM, ADPCM, CELP, LPC Audio Compression MPEG Audio Codec Perceptual Coding MPEG1 Layer1 Layer2 Layer3(MP3)
Audio File Formats FAQ: Compression schemes.
http://sox.sourceforge.net/AudioFormats-4.html
CELP is defined by US DOD Federal Standard 1016 and stands for Code Excited Linear Prediction and has a 4800 bits/s rate. It is important to understand LPC-10E to understand CELP. ... MPEG is an audio/video compression standard that has gained wide acceptance across industries. It has become popular to use the audio portion of the standard to ...
A Tutorial on MPEG/Audio Compression
https://web.media.mit.edu/~tristan/Classes/MAS.945/Papers/Technical/pan96tutorial.pdf
The MPEG/audio compression algorithm is the first international standard[1,2] for the digital compression of high-fidelity audio. Other audio compression algorithms address speech-only applications or provide only medium-fidelity audio compression performance. For example, Code Excited Linear Prediction (CELP)[3] is a speech coding algorithm ...
Wave File Compression Codecs Compared - Audio …
https://www.nch.com.au/acm/
Audio Compression Manager. This is a reference to compare the audio quality and compression bitrates of the different wave compression codecs available for ".wav" and ".dct" files using the audio compression manager including PCM, GSM, …
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