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Message Code 2: Copying stopped [7] —Shown when theatre- or hotel-distributed audio content is being recorded by a consumer recording device. Message Code 3: Audio muted [7] —Shown when consumer-sold audio content is being played back from an optical disc, without the matching AACS key present at the centre of the disc.
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.
ChromeVox is a screen reader for Chrome and ChromeOS. The ChromeVox Classic Chrome extension is in maintenance-only mode. The ChromeVox website has more information on the transition to the version bundled with ChromeOS. Emacspeak: T. V. Raman Emacs (on Unix-like systems) Free and open source Turns Emacs into a "complete audio desktop". iZoom ...
3 Devices with Cinavia. 1 comment. 4 Primary sources. 1 comment. 5 Effect on lossless audio. 7 comments. 6 ...
G.729 is a royalty-free [1] narrow-band vocoder-based audio data compression algorithm using a frame length of 10 milliseconds. It is officially described as Coding of speech at 8 kbit/s using code-excited linear prediction speech coding (CS-ACELP), and was introduced in 1996. [2]
AACS uses cryptography to control and restrict the use of digital media. It encrypts content under one or more title keys using the Advanced Encryption Standard (AES). Title keys are decrypted using a media key (encoded in a Media Key Block) and the Volume ID of the media (e.g., a physical serial number embedded on a pre-recorded disc).
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.
Four-channel Compact Disc digital audio flag: indicates that the track uses four-channel audio (applies only to CD-DA). This is very rarely used on Compact Discs. Data flag: Indicates that this track contains data (rather than audio). Can be used for muting in audio CD players. Not used in the original CD-DA standard, added in the CD-ROM ...