MPEG file format
| Extension | .mpeg |
| Category | video |
| Programs | Windows Movie Maker VLC Video Player Apple iTunes Quicktime Player |
| Main program | Windows Media Player |
| Description | The .mpeg (Moving Picture Experts Group) file format is a standardized video file format that has been established by the Moving Picture Experts Group (MPEG). This format is widely applied for audio and video compression and transmission. MPEG files apply distinct compression methods to audio and video tracks, with video being compressed using either MPEG-1 or MPEG-2 compression, depending on the quality and purpose, and audio being typically compressed using MP3. MPEG files are a common choice for creating and distributing movies over the internet, thanks to their high compression ratio and decent quality. |
| Technical details | The `.mpeg` format comprises various digital video and audio coding formats set by the Moving Picture Experts Group (MPEG). These standards are fundamental for encoding digital audio and video. MPEG-1: This was aimed at coding progressive video at around 1.5 Mbps and has been used for Video CDs, digital TV, and audio broadcasting. It supports resolutions of up to 352x240 (NTSC) or 352x288 (PAL/SECAM) and includes MP3 audio and MPEG-1 Part 2 video components. MPEG-2: This was developed for interlaced images, digital TV, and DVDs, and it enhances coding efficiency over MPEG-1. It supports HDTV and includes advanced audio (AAC) and video formats. MPEG-4: This was designed for multimedia streaming, telephony, and broadcast TV. MPEG-4 accommodates everything from internet streaming to high-definition TV, and is standard for Blu-ray discs, including MPEG-4 Part 2 and AVC (H.264). General Aspects: - MPEG utilizes lossy compression to minimize data for audio-visual content. - MPEG files come in a variety of extensions, .mpg, .mpeg for video, and .mp3, .aac for audio, among others. - It employs interframe compression, storing differences between frames to reduce file size. - MPEG files vary in bitrate, impacting the quality and size. - These files are widely compatible and suitable for internet streaming due to their compression efficiency. MPEG standards play a crucial role in the growth of digital video and audio in broadcasting and online streaming, striking a balance between compression efficiency and quality. |
mpeg converter
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mpeg converter
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