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2. MP4 file format - Wikipedia

   en.wikipedia.org/wiki/MP4_file_format

   MPEG-4 files with audio and video generally use the standard .mp4 extension. Audio-only MPEG-4 files generally have a .m4a extension. This is especially true of unprotected content. MPEG-4 files with audio streams encrypted by FairPlay digital rights management as were sold through the iTunes Store use the .m4p extension.

3. Comparison of audio coding formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_audio_coding...

   FFmpeg (decoding only, ATRAC Advanced Lossless is only partially supported) voice recording, theatrical movie presentation Yes No Yes Yes Yes BroadVoice (BV16, BV32) Broadcom: 2009-08-19 1.2 Free ? ? Speech, VoIP, Low latency, voice recording: No Yes No Free No CELT: Xiph.Org Foundation, Jean-Marc Valin 2007-12-08 0.11.1 (merged into Opus) Free ?

4. Audio file format - Wikipedia

   en.wikipedia.org/wiki/Audio_file_format

   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.

5. MPEG-4 - Wikipedia

   en.wikipedia.org/wiki/MPEG-4

   MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was originally introduced in late 1998 as a group of audio and video coding formats and related technology agreed upon by the ISO/IEC Moving Picture Experts Group (MPEG) (ISO/IEC JTC 1/SC29/WG11) under the formal standard ISO/IEC 14496 – Coding ...

6. Advanced Audio Coding - Wikipedia

   en.wikipedia.org/wiki/Advanced_Audio_Coding

   Wii: supports AAC files through version 1.1 of the Photo Channel as of December 11, 2007. All AAC profiles and bitrates are supported as long as it is in the .m4a file extension. The 1.1 update removed MP3 compatibility, but according to Nintendo, users who have installed this may freely downgrade to the old version if they wish. [70]

7. Warner Bros. Releases 31 Full-Length Movies on YouTube ... - AOL

   www.aol.com/entertainment/warner-bros-releases...

   Here’s the full list of titles from Warner Bros. currently available for free on YouTube: “The Wind and the Lion” (1975) starring Sean Connery “Michael Collins” (1996)

8. Comparison of video container formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_video...

   M2TS supports Digital 3D as multiple files in a specific file structure for encoding stereoscopic video: MVC stereoscopic data is in .ssif files in the /BDMV/STREAM/SSIF/ directory and require a respective base .m2ts file. Digital 3D in QTFF and ASF is possible, but not standard. MP4 only supports Digital 3D at the video format level. [44]

9. Apple Lossless Audio Codec - Wikipedia

   en.wikipedia.org/wiki/Apple_Lossless_Audio_Codec

   According to Apple, audio files compressed with its lossless codec will use up "about half the storage space" that the uncompressed data would require. Testers using a selection of music have found that compressed files are about 40% to 60% the size of the originals depending on the kind of music, which is similar to other lossless formats. [3] [4]