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Various halvings and doublings of 44.1 kHz are used – the lower rates 11.025 kHz and 22.05 kHz are found in WAV files, and are suitable for low-bandwidth applications, while the higher rates of 88.2 kHz and 176.4 kHz are used in mastering and in DVD-Audio – the higher rates are useful both for the usual reason of providing additional ...
[81] [82]: sec. 2.6 An audio CD can represent frequencies up to 22.05 kHz, the Nyquist frequency of the 44.1 kHz sample rate. [ 83 ] There was a long debate over the use of 16-bit (Sony) or 14-bit (Philips) quantization , and 44,056 or 44,100 samples/s (Sony) or approximately 44,000 samples/s (Philips).
The decline in CD sales has slowed in recent years; in 2021, CD sales increased in the US for the first time since 2004, [63] with Axios citing its rise to "young people who are finding they like hard copies of music in the digital age". [64] It came at the same time as both vinyl and cassette reached sales levels not seen in 30 years. [65]
1987; 38 years ago () Digital Audio Tape ( DAT or R-DAT ) is a signal recording and playback medium developed by Sony and introduced in 1987. [ 1 ] In appearance it is similar to a Compact Cassette , using 3.81 mm / 0.15" (commonly referred to as 4 mm) magnetic tape enclosed in a protective shell, but is roughly half the size at 73 mm × 54 mm ...
CD audio, for example, has a sampling rate of 44.1 kHz (44,100 samples per second), and has 16-bit resolution for each stereo channel. Analog signals that have not already been bandlimited must be passed through an anti-aliasing filter before conversion, to prevent the aliasing distortion that is caused by audio signals with frequencies higher ...
For music-quality audio, 44.1 and 48 kHz sampling rates are the most common. Master recording may be done at a higher sampling rate (i.e. 88.2, 96, 176.4 or 192 kHz). High-resolution PCM recordings have been released on DVD-Audio (also known as DVD-A), DualDisc (utilizing the DVD-Audio layer), or High Fidelity Pure Audio on Blu-ray.
CD BackUp Ram Carts: 8 KB to 512 KB [40] Audio 1 ADPCM channel, 12-bit audio, [78] 32.088 kHz sampling rate [79] 1 streaming CD-DA channel, 16-bit CD audio, 44.1 kHz sampling rate; Optional Dolby Surround support; Stereo audio with: 6 programmable WS channels/voices; Square, sine, sawtooth, triangle and other waveforms; White noise generation ...
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.