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About video and audio encoding and compression
https://helpx.adobe.com/media-encoder/using/video-audio-encoding-compression.html
Compression is essential for reducing the size of movies so that they can be stored, transmitted, and played back effectively. When exporting a movie file for playback on a specific type of device at a certain bandwidth, you must first choose an encoder (codec). Various encoders use different compression schemes to compress the information.
About video and audio encoding and compression
https://helpx.adobe.com/bg/media-encoder/using/video-audio-encoding-compression.html
Compression is essential for reducing the size of movies so that they can be stored, transmitted, and played back effectively. When exporting a movie file for playback on a specific type of device at a certain bandwidth, you must first choose an encoder (codec). Various encoders use different compression schemes to compress the information.
Digital Audio Compression - Columbia University
https://www.ee.columbia.edu/~dpwe/papers/Pan93-acomp.pdf
many forms of audio compression techniques offer a range of encoder and decoder complexity, compressed audio quality, and differing amounts of data com-pression. The -law transformation and ADPCM coder are simple approaches with low-complexity, low-compression, and medium audio quality algo-rithms. The MPEG/audio standard is a high-
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
5.3.8 Algorithms for Audio Companding and …
http://digitalsoundandmusic.com/5-3-8-algorithms-for-audio-companding-and-compression/
AAC (Advanced Audio Coding) is the successor of MP3 compression, using similar perceptual encoding techniques but improving on these and supporting more channels, sampling rates, and bit rates. AAC is available within both the MPEG-2 and MPEG-4 standards and is the default audio compression method for iPhones, iPods, iPads, Android phones, and a variety of video game …
A Tutorial on MPEG/Audio Compression
https://web.media.mit.edu/~tristan/Classes/MAS.945/Papers/Technical/pan96tutorial.pdf
the encoder. 1.1 MPEG/audio Features and Applications MPEG/audio is a generic audio compression standard. Unlike vocal-tract-model coders specially tuned for speech signals, the MPEG/audio coder gets its compression without making assumptions about the nature of the audio source. Instead, the coder
LAME MP3 Encoder :: A Free Audio Compression Format?
https://lame.sourceforge.io/free.php
Critical bands are a way to group frequency bands which better mimics the response of the human ear. The concept is old, but there may be patents on the use of critical bands for audio compression. The concept of mid/side encoding is patented in US5481614. Quantization of MDCT coefficients. Associated to each critical band is a scale factor.
Audio Compression - Rhea
https://www.projectrhea.org/rhea/index.php/Audio_Compression
Therefore, I decided to try to utilize some concepts from ECE438, such as quantization to create a simple, yet efficient, compression system. A huge portion of audio compression is in the encoding complexity; however, since we will only be playing static data, we don’t have to worry about the encoding complexity of the audio data.
WavPack Audio Compression
WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode. For version 5.0.0, several new file formats and lossless DSD audio compression were added, making WavPack a universal audio archiving solution. In the default lossless mode WavPack acts just like a WinZip compressor for audio files.
Comparison of audio coding formats - Wikipedia
https://en.wikipedia.org/wiki/Comparison_of_audio_coding_formats
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