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2. Help:Creation and usage of media files - Wikipedia

   en.wikipedia.org/wiki/Help:Creation_and_usage_of...

   Creation and usage of media files. Images, audio and video files must be uploaded into Wikipedia using the "Upload file" link on the left-hand navigation bar. Only logged in users can upload files. Once a file is uploaded, other pages can include or link to the file. Uploaded files are given the "File:" prefix by the system, and each one has an ...

3. QuickTime File Format - Wikipedia

   en.wikipedia.org/wiki/QuickTime_File_Format

   In QuickTime Pro's MPEG-4 Export dialog, an option called "Passthrough" allows a clean export to MP4 without affecting the audio or video streams. One discrepancy ushered in by QuickTime 7 released on April 29, 2005, is that the QuickTime file format supports multichannel audio (used, for example, in the high-definition trailers on Apple's site ...

4. Audio file format - Wikipedia

   en.wikipedia.org/wiki/Audio_file_format

   Audio file format. 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 data can be a raw bitstream in an audio coding ...

5. Audio converter - Wikipedia

   en.wikipedia.org/wiki/Audio_converter

   Audio converter. An audio converter is a software or hardware tool that converts audio files from one format to another. This process is often necessary when users encounter compatibility issues with different devices, applications, or platforms that support specific audio file formats. Audio converters can be employed for a variety of purposes ...

6. Video file format - Wikipedia

   en.wikipedia.org/wiki/Video_file_format

   Video file format. A video file format is a type of file format for storing digital video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container (e.g. in the Matroska format) containing visual (video without audio) data in a video coding format (e.g ...

7. Any Video Converter - Wikipedia

   en.wikipedia.org/wiki/Any_Video_Converter

   The software converts most video files into other formats such as AVI, MKV, MOV, Ogg, VOB, MP4, FLV, WMV, MP3, etc. This freeware also performs functions such as downloading videos from online video-sharing sites such as YouTube , Facebook , Vimeo , Niconico , MetaCafe , etc. [9] Users can edit videos as they like, such as cutting, rotating ...

8. ISO base media file format - Wikipedia

   en.wikipedia.org/wiki/ISO_base_media_file_format

   The file structure is object-oriented. A file can be decomposed into basic objects very simply, and the structure of the objects is implied from their type. Files conforming to the ISO base media file format are formed as a series of objects, called "boxes". All data is contained in boxes, and there is no other data within the file.

9. Transcoding - Wikipedia

   en.wikipedia.org/wiki/Transcoding

   Transcoding is the direct digital-to-digital conversion of one encoding to another, [1] such as for video data files, audio files (e.g., MP3, WAV ), or character encoding (e.g., UTF-8, ISO/IEC 8859 ). This is usually done in cases where a target device (or workflow) does not support the format or has limited storage capacity that mandates a ...