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HDtracks is a high-resolution digital music store offering DRM-free music in multiple formats as well as cover art (and liner notes via PDF file downloads for a majority of catalog offerings) with audio CD-quality and high-definition audio master recording quality download selections. [1]
High-resolution audio (high-definition audio or HD audio) is a term for audio files with greater than 44.1 kHz sample rate or higher than 16-bit audio bit depth. It commonly refers to 96 or 192 kHz sample rates. However, 44.1 kHz/24-bit, 48 kHz/24-bit and 88.2 kHz/24-bit recordings also exist that are labeled HD Audio.
OpenVVC [1] an VVC /H.266 Real Time-Decoder for Mac OS, Windows, Linux and Android and special Version of FFmpeg, [2] which was used for Ateme Satellite Broadcast Test. [3] [4] x265 – An encoder based on the High Efficiency Video Coding (HEVC/H.265) standard. Xvid – MPEG-4 Part 2 codec, compatible with DivX
Lossless Audio (LA) [5] – No update for 10+ years; Shorten (SHN) [6] – Officially discontinued. libshn; FFmpeg (decoding only) Lossless Predictive Audio Compression (LPAC) – Predecessor of MPEG-4 ALS; Lossless Transform Audio Compression (LTAC) – Predecessor of LPAC; MPEG-1 Audio Layer III HD – Officially discontinued
FLAC is specifically designed for efficient packing of audio data, unlike general-purpose lossless algorithms such as DEFLATE, which are used in ZIP and gzip. While ZIP may reduce the size of a CD-quality audio file by 10–20%, FLAC is able to reduce the size of audio data by 40–50% by taking advantage of the characteristics of audio.
Pono (/ ˈ p oʊ n oʊ /, Hawaiian word for "proper") was a portable digital media player and music download service for high-resolution audio. [1] [2] [3] It was developed by musician Neil Young and his company PonoMusic, which raised money for development and initial production through a crowd-funding campaign on Kickstarter.
Direct Stream Digital (DSD) is a trademark used by Sony and Philips for their system for digitally encoding audio signals for the Super Audio CD (SACD).. DSD uses delta-sigma modulation, a form of pulse-density modulation encoding, a technique to represent audio signals in digital format, a sequence of single-bit values at a sampling rate of 2.8224 MHz.
Audio Stream Input/Output (ASIO) is a computer audio interface driver protocol for digital audio specified by Steinberg, providing high data throughput, synchronization, and low latency between a software application and a computer's audio interface or sound card. [1] ASIO was initially released in 1997 in order to enable streaming of one or ...