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In October 1999, DeCSS was released. This program enables anyone to remove the CSS encryption on a DVD. Although its authors only intended the software to be used for playback purposes, [2] it also meant that one could decode the content perfectly for ripping; combined with the DivX 3.11 Alpha codec released shortly after, the new codec increased video quality from near VHS to almost DVD ...
Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as raw audio format, although not technically necessary.
Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.
The WAV file is an instance of a Resource Interchange File Format (RIFF) defined by IBM and Microsoft. [3] The RIFF format acts as a wrapper for various audio coding formats. Though a WAV file can contain compressed audio, the most common WAV audio format is uncompressed audio in the linear pulse-code modulation (LPCM) format.
Bluetooth audio Yes No No Yes No LHDC: Savitech 2017 5.0.6 (2022-08-03) Non-free Mobile phones, Bluetooth headphones, Home receivers Android 10: Bluetooth audio Yes No Yes Yes No L2HC Huawei: 2020 3.0 (2023-09-19) Non-free Huawei products, EMUI, HarmonyOS: Android 10, OpenHarmony, Oniro OS Bluetooth audio NearLink audio Yes Yes Yes Yes Yes Lyra ...
MPEG-4 Part 14, or MP4, is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images. Like most modern container formats , it allows streaming over the Internet .
G.723 ADPCM audio (not the G.723.1 speech codec) Made for VivoActive Player: Advanced Systems Format (ASF) .asf ASF: any any AMV video format.amv Modified version of AVI [4] Variant of Motion JPEG: Variant of IMA, ADPCM Proprietary video file format produced for MP4 players and S1 MP3 players with video playback MPEG-4 Part 14 (MP4)
No No No No DV Audio Not compressed: 1995 Proprietary: No Yes Yes No No Yes [74] No No No AMR: Speech: 1999-06 Patent encumbered No Yes No Yes Yes No No Yes AMR-NB, AMR-WB: G.728: Speech: 1992-09 Expired patents No No No No Yes No No No No Speex: Speech: 2003-03 Open source [100] ACM [d] No No No No No No No No QCELP: Speech: 1994 Proprietary ...