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Adaptive Multi-Rate Wideband audio (ITU-T G.722.2) RFC 4867 dynamic (or profile) AMR-WB+ audio 1, 2 or omit 72000 13.3–40 Extended Adaptive Multi Rate – WideBand audio RFC 4352 dynamic (or profile) vorbis audio (various) (various) Vorbis audio RFC 5215 dynamic (or profile) opus audio 1, 2 48000 [note 3] 2.5–60 20 Opus audio RFC 7587
The DVD format uses the 48 kHz sampling rate, and its doublings. In digital audio, 48,000 Hz (also represented as 48 kHz or DVD Quality) is a common sampling rate. It has become the standard for professional audio and video. 48 kHz is evenly divisible by 24, a common frame rate for media, such as film, unlike 44.1 kHz. [i]
In this example, f s is the sampling rate, and 0.5 cycle/sample × f s is the corresponding Nyquist frequency. The black dot plotted at 0.6 f s represents the amplitude and frequency of a sinusoidal function whose frequency is 60% of the sample rate. The other three dots indicate the frequencies and amplitudes of three other sinusoids that ...
Max sample depth (bits) Max sample rate (Hz) Applications Notes Ref; Analog Devices: AD1848 1992 Multiple stereo channels, unlimited 16 48,000 Original Windows Sound System card by Microsoft, Ensoniq Soundscape S-2000 and Elite cards Digital-to-analog codec chip, 2-channel stereo input/output [93] ARM Ltd. VIDC20: 1994 8 16 44,100 Risc PC ...
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.
For example, Compact Disc Digital Audio and Digital Audio Tape systems use different sampling rates, and American television, European television, and movies all use different frame rates. Sample-rate conversion prevents changes in speed and pitch that would otherwise occur when transferring recorded material between such systems.
The Adaptive Multi-Rate (AMR, AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding. AMR is a multi-rate narrowband speech codec that encodes narrowband (200–3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with toll quality [ 3 ] speech starting at 7.4 kbit/s.
Adds an audio sample for album and song infoboxes. Use in the "misc" parameter of those templates. Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status Type type Type of recording (this changes the colour of the header), such as single for khaki or song for light blue. For album types, see [[Template:Infobox album ...