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Data compression - Wikipedia
https://en.wikipedia.org/wiki/Data_compression#:~:text=Audio%20compression%20algorithms%20are%20implemented%20in%20software%20as,of%20information%20used%20to%20represent%20the%20uncompressed%20data.
5.3.8 Algorithms for Audio Companding and …
http://digitalsoundandmusic.com/5-3-8-algorithms-for-audio-companding-and-compression/
Let’s look at the steps in this algorithm more closely. 1. Divide the audio signal in frames. MP3 compression processes the original audio signal in frames of 1152 samples. Each frame is split into two granules of 576 samples each. Frames are encoded in a number of bytes consistent with the bit rate set for the compression at hand.
Audio Compression - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/computer-science/audio-compression
The MPEG/ audio compression algorithm supports two types of stereo redundancy coding: intensity stereo coding and middle/side (MS) stereo coding. All layers support intensity stereo coding. Layer III also supports MS stereo coding.
A Tutorial on MPEG/Audio Compression
https://web.media.mit.edu/~tristan/Classes/MAS.945/Papers/Technical/pan96tutorial.pdf
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, while µ-law and Adaptive Differential Pulse Code Modulation (ADPCM) are relatively simple compression algorithms that can provide medium fidelity audio …
Audio compression: How does it work? Why does it …
https://soundguys.com/audio-compression-explained-29148/
Real-time audio codecs, like Bluetooth’s SBC, aptX, LDAC, and others, tend to use noise shaping as a form of compression because it’s faster and can be done with lower latency. This type of compression isn’t content-specific like psychoacoustic compression is, but it still abuses the sensitivity of our ears to make compression optimizations.
Digital Audio Compression - Columbia University
https://www.ee.columbia.edu/~dpwe/papers/Pan93-acomp.pdf
Other ADPCM audio compression schemes include the CCITT Recommendation G.721 (32 kilobits per second compressed data rate) and Recommendation G.723 (24 kilobits per second compressed data rate) standards and the compact disc interactive audio compression algorithm.[7,8] The IMA ADPCM Algorithm. The IMA is a consor-
Simple Audio Compression Methods
https://users.ece.utexas.edu/~ryerraballi/MSB/pdfs/M4L4.pdf
MPEG-1: Bitrate of 1.5 Mbits/sec for audio and video About 12M. btis/sec for vdieo ,03M. btis/sec for audoi (Uncompressed CD audio is 44,100 samples/sec * 16 bits/sample * 2 channels > 1.4 Mbits/sec) 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)
Introduction to Audio Compression and Representation
https://www.cs.princeton.edu/courses/archive/spr05/cos579/CookSoundSIG98.pdf
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 Views of Sound – Sound is Perceived: Perception-Based Psychoacoustically Motivated Compression
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.
What are best compression algorithms available for …
https://www.quora.com/What-are-best-compression-algorithms-available-for-audio-files
General purpose compression such as zip works on raw audio data, but better to use a method specialized for audio. Free Lossless Audio Codec (FLAC) is best for lossless compression. For lossy compression, which can make far smaller audio files than FLAC can, want to consider speech and music separately. mp3 is still the most well known and popular for music, but it is …
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