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2. 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 ...

3. Audio converter - Wikipedia

   en.wikipedia.org/wiki/Audio_converter

   M4A (MPEG-4 Audio): A compressed format often used with Apple devices, similar to MP3 but potentially offering higher quality at the same bitrate. FLAC (Free Lossless Audio Codec): A lossless compression format that maintains the original audio quality but creates files larger than MP3s. OGG Vorbis: An open-source, lossless compression format ...

4. ClipGrab - Wikipedia

   en.wikipedia.org/wiki/ClipGrab

   [3] [4] [5] It can convert the downloaded files to other file formats such as MP3, MPEG4, OGG Theora or WMV. It is published as free software under the terms of the GPL-3.0-or-later license. It is developed and maintained by Philipp Schmieder Medien of vanbittern.com. [6]

5. List of open-source codecs - Wikipedia

   en.wikipedia.org/wiki/List_of_open-source_codecs

   x264 – H.264/MPEG-4 AVC implementation. x264 is not a codec (encoder/decoder); it is just an encoder (it cannot decode video). OpenH264 – H.264 baseline profile encoding and decoding; OpenVVC [1] an VVC /H.266 Real Time-Decoder for Mac OS, Windows, Linux and Android and special Version of FFmpeg, [2] which was used for Ateme Satellite ...

6. Comparison of audio coding formats - Wikipedia

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

   Yes: only in MPEG-4 Part 12 container: Yes: only in MPEG-4 Part 12 container: G.721: ADPCM, Lossy: 8 kHz 32 kbit/s 13 bit Yes No No No G.722: sub-band ADPCM, Lossy: 16 kHz 64 kbit/s (comprises 48, 56 or 64 kbit/s audio and 16, 8 or 0 kbit/s auxiliary data) 14 bit 4 ms Yes No No No G.722.1: Modulated Lapped Transform (MDCT), Lossy (based on ...

7. MPEG-4 Part 3 - Wikipedia

   en.wikipedia.org/wiki/MPEG-4_Part_3

   MPEG-4 Part 3 or MPEG-4 Audio (formally ISO/IEC 14496-3) is the third part of the ISO/IEC MPEG-4 international standard developed by Moving Picture Experts Group. [1] It specifies audio coding methods. The first version of ISO/IEC 14496-3 was published in 1999. [2]

8. Transcoding - Wikipedia

   en.wikipedia.org/wiki/Transcoding

   The most common operation in this application is the transcoding of MPEG-2 files to the MPEG-4 or H.264 format. Real-time transcoding in a many-to-many way (any input format to any output format) is becoming a necessity to provide true search capability for any multimedia content on any mobile device, with over 500 million videos on the web and ...

9. FAAC - Wikipedia

   en.wikipedia.org/wiki/FAAC

   FAAC (Freeware Advanced Audio Coder) is a software project which includes the AAC encoder FAAC and decoder FAAD2.It supports MPEG-2 AAC as well as MPEG-4 AAC. It supports several MPEG-4 Audio object types (LC, Main, LTP for encoding and SBR, PS, ER, LD for decoding), file formats (ADTS AAC, raw AAC, MP4), multichannel and gapless encoding/decoding and MP4 metadata tags.