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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.
24-bit and 32-bit audio does not require dithering, as the noise level of the digital converter is always louder than the required level of any dither that might be applied. 24-bit audio could theoretically encode 144 dB of dynamic range, and 32-bit audio can achieve 192 dB, but this is almost impossible to achieve in the real world, as even ...
ALAC supports up to 8 channels of audio at 16, 20, 24 and 32 bit depth with a maximum sample rate of 384 kHz. ALAC data is frequently stored within an MP4 container with the filename extension.m4a. This extension is also used by Apple for lossy AAC audio data in an MP4 container (same container, different audio encoding).
On April 15, 2010, HDtracks launches Verve Records from Universal Music Group, marking the first major label to establish sales of high-resolution, non-DRM-restricted music through HDtracks. [7] [8] On November 2, 2010, HDtracks releases Paul McCartney's album Band on the Run in 96 kHz/24-bit FLAC format. [9]
24-bit No No No 320 kbps 320 kbps No No No 30 Yes Amazon Music: 90 [4] Yes Web, Android [5] No No No No No 256 kbps No No No 30: Yes Bandcamp: 18.1: No Web 24-bit 24-bit 24-bit 24-bit Yes Yes No Yes No Full Yes Beatport: 9 [6] Yes [7] Web No No 16-bit 16-bit No 320 kbps No No No 120: Paid service Bleep? No Web 16-bit No 24-bit No No 320 kbps No ...
LHDC supports bitrates of 400/560/900 kbit/s, bit-depth of up to 24 bit and sample rate of up to 96 kHz. [1] The first Smartphone to support LHDC was the Huawei Mate 10. [4] On 17 September 2019, the Japan Audio Society (JAS) certified LHDC with their Hi-Res Audio Wireless certification. [5]
In contrast with DSD-Wide or DSD Pure which offers level, EQ, and crossfade edits at the DSD sample rate (64fs, [clarification needed] 2.822 MHz), [3] [4] DXD is a PCM signal with 24-bit resolution (8 bits more than the 16 bits used for Red Book CD) sampled at 352.8 kHz – eight times 44.1 kHz, the sampling frequency of Red Book CD. The data ...
DTS-HD MA can store up to 8 discrete channels of audio (7.1 surround) at up to a 24 bit sample depth and 192 kHz sampling frequency (96 kHz for 6.1 or 7.1 surround). [2] Although DTS-HD MA, and the related DTS-HD, allow virtually any number of channels in the abstract, [ 3 ] these limits are imposed for practical reasons of limited storage and ...