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Lossy formats Audio compression format Algorithm Sample rate Bit rate Latency CBR VBR Stereo Multichannel; AAC: MDCT, Hybrid Subband (AAC-HE) 8–192 kHz, [53] also: 7.35 kHz, but used rarely. 8–529 kbit/s (stereo, 44.1 kHz) 8–576 kbit/s (stereo, 48 kHz) 20–405 ms [54] Yes Yes Yes: Dual, Mid/Side, Intensity, Parametric Yes: Up to 48 ...
Super Audio CD ( SACD) is an optical disc format for audio storage introduced in 1999. It was developed jointly by Sony and Philips Electronics and intended to be the successor to the compact disc (CD) format. The SACD format allows multiple audio channels (i.e. surround sound or multichannel sound). It also provides a higher bit rate and ...
One major uncompressed audio format, LPCM, is the same variety of PCM as used in Compact Disc Digital Audio and is the format most commonly accepted by low level audio APIs and D/A converter hardware. Although LPCM can be stored on a computer as a raw audio format, it is usually stored in a .wav file on Windows or in a .aiff file on macOS.
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.
Various. Universal Disk Format ( UDF) is an open, vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660. Due to its design, it is very well suited to incremental updates on both write-once and re-writable optical media.
ISO 9660, UDF. An optical disc image (or ISO image, from the ISO 9660 file system used with CD-ROM media) is a disk image that contains everything that would be written to an optical disc, disk sector by disc sector, including the optical disc file system. [3] ISO images contain the binary image of an optical media file system (usually ISO 9660 ...
Notable software applications that can access or manipulate disk image files are as follows, ... Input format Output format OS ... CD, DVD: Linux: Free software ...
Timeline of audio formats. An audio format is a medium for sound recording and reproduction. The term is applied to both the physical recording media and the recording formats of the audio content —in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.