Audio Coding Fundamentals

Fundamentals of Perceptual Audio Coding

http://web.mit.edu/hst.723/www/Labs/Fundamentals%20of%20Perceptual%20Audio%20Coding.ppt#:~:text=%20%20%20Title%20%20%20Fundamentals%20,%20On-screen%20Show%20%202%20more%20rows%20

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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

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/maskinglabhndout.pdf

Fundamentals of Perceptual Audio Coding

http://web.mit.edu/hst.723/www/Labs/Fundamentals%20of%20Perceptual%20Audio%20Coding.pdf

Audio Fundamentals | Develop Paper

https://developpaper.com/audio-fundamentals/

Monkey’s Audio: ️.ape: FLAC（Free Lossless Audio Codec） ️.flac: ALAC（Apple Lossless Audio Codec） ️.m4a/.caf: MP3（MPEG Audio Layer III） .mp3: WMA（Windows Media Audio） .wma: AAC（Advanced Audio Coding） .acc/.mp4/.m4a: Vorbis: .ogg: Speex: .spx: Opus: .opus: Ogg.ogg: WAV（Waveform Audio File Format）.wav

Fundamentals of Perceptual Audio Coding

http://web.mit.edu/hst.723/www/Labs/Fundamentals%20of%20Perceptual%20Audio%20Coding.ppt

Audio Fundamentals - Hosei

https://jianhua.cis.k.hosei.ac.jp/course/mm/Lesson02.pdf

Signal Fundamentals • Pressure changes can be periodic or aperiodic • Periodic vibrations –cycle - time for compression/rarefaction –cycles/second - frequency measured in hertz (Hz) –period - time for cycle to occur (1/frequency) • Human perception frequency ranges of audio [20, 20kHz] e …

Audio Fundamentals, Compression Techniques & Standards

http://ce.sharif.edu/courses/91-92/2/ce873-1/resources/root/Class%20Notes/MMN-lec3-Audio-911121.pdf

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)