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A Tutorial on MPEG/Audio Compression
https://web.media.mit.edu/~tristan/Classes/MAS.945/Papers/Technical/pan96tutorial.pdf#:~:text=The%20MPEG%2Faudio%20compression%20algorithm%20is%20the%20first%20international,the%20ADPCM%20algorithm%20adopted%20by%20theInteractive%20Multimedia%20Association.
5.3.8 Algorithms for Audio Companding and …
http://digitalsoundandmusic.com/5-3-8-algorithms-for-audio-companding-and-compression/
Audio compression algorithms look for places where masking occurs in all of the critical bands over each consecutive window of time for the duration of the audio signal. Figure 5.46 Threshold of hearing altered in presence of masking tone …
Digital Audio Compression - Columbia University
https://www.ee.columbia.edu/~dpwe/papers/Pan93-acomp.pdf
audio compression algorithm able to provide good compressed audio quality with good data compres-sion performance. In addition, the algorithm had to be simple enough to enable software-only, real-time decompression of stereo, 44.1-kHz-sampled, audio signals on a 20-megahertz (MHz) 386-class com-
A Tutorial on MPEG/Audio Compression
https://web.media.mit.edu/~tristan/Classes/MAS.945/Papers/Technical/pan96tutorial.pdf
audio compression. To contrast the complexity of the MPEG/audio algorithm with that of some simpler, generic audio compression algorithms, the annex of this paper presents the details of µ-law and the ADPCM algorithm adopted by the Interactive Multimedia Association. The MPEG/audio standard is the result of over 3 years of collaborative work ...
Audio compression: How does it work? Why does it …
https://soundguys.com/audio-compression-explained-29148/
Unlike the dynamic range compression used in recording studios, audio compression codecs don’t affect perceived loudness. Instead, audio coding compression uses clever algorithms to shrink down an uncompressed 50MB music file into something much more portable, say around 7MB, for example.
Simple Audio Compression Methods
https://users.ece.utexas.edu/~ryerraballi/MSB/pdfs/M4L4.pdf
Compression factor ranging from 2.7 to 24. With Compression rate 6:1 (16 bits stereo sampled at 48 KHz is reduced to 256 kbits/sec) Under optimal listening conditions, expert listeners could not distinguish between coded and original audio clips. Supports one or two audio channels in one of the four modes: 1. Monophonic -- single audio channel 2.
Introduction to Audio Compression and Representation
https://www.cs.princeton.edu/courses/archive/spr05/cos579/CookSoundSIG98.pdf
Audio Compression Limits of Human Perception – Time, Frequency, Amplitude, Masking, etc. Survey of Audio Compression Techniques – Perception-Based Compression – Production-Based Compression – (Event-Based Compression) Two Specific Compression Algorithms – Production Model-Based Speech Coder – Frequency Transform (Subband) Coder ...
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
Understanding Audio Data Compression: MP3s, AACs, …
https://www.uaudio.com/blog/understanding-audio-data-compression/
FLAC (Free Lossless Audio Codec) is one of the few audio formats that delivers truly lossless compression. FLAC is similar to a ZIP file, but is designed specifically for audio. FLAC is also open-source, and FLAC files can be played back on most MP3-compatible players. (There are several other lossless formats, including Apple Lossless, WMA 9 ...
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