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Audio/Video Transcoding

Last updated: 2024-12-10 11:15:55

    Overview

    With audio/video transcoding, you can transcode media to different formats, frame rates, bitrates, resolutions, etc. so that it can be played back on different devices.
    Category
    Item
    Description
    Input
    Container formats
    Common audio/video container formats are supported, including WMV, RM, MOV, MPEG, MP4, 3GP, FLV, AVI, RMVB, TS, ASF, MPG, WEBM, MKV, M3U8, WM, ASX, RAM, MPE, VOB, DAT, MP4V, M4V, F4V, MXF, QT, WAV and OGG.
    Video codecs
    Common video codecs are supported, including AV1, AVS2, H.263, H.263+, H.264/AVC, H.265/HEVC, H.266/VVC, MPEG-1, MPEG-2, MPEG-4, MJPEG, VP8, VP9, QuickTime, RealVideo, and Windows Media Video.
    Audio codecs
    AAC, ADPCM, AMR, DSD, MP1, MP2, MP3, PCM, RealAudio, Windows Media Audio, and Vorbis.
    Output
    Container formats
    Video: FLV, MP4, HLS (M3U8 + TS).
    Audio: MP3, MP4, OGG, FLAC, and M4A.
    Image: GIF and WebP.
    Video codecs
    H.264/AVC, H.265/HEVC, H.266/VVC, and AV1.
    HD video
    8K UHD and HDR.
    Audio codecs
    MP3, AAC, FLAC, and MP2.
    Sound channels
    Mono-channel, dual-channel, and stereo.
    Other features
    Watermarking
    Image, text, and image-text watermarks.
    Opening and ending segment splicing
    Adds an opening or ending segment to the media.
    Clipping
    Transcodes and outputs the specified portion of a video.

    Use Cases

    Use Case
    Description
    Adapt to different devices
    A source media file can be transcoded to formats (such as MP4 and HLS) that are compatible with more types of devices for smooth playback.
    Increased bandwidth compatibility
    A source video can be transcoded for output in multiple definitions such as LD, SD, HD, and FHD. End users can select the most appropriate bitrate depending on their network conditions.
    Faster loading
    The moov atom can be moved from the end of an MP4 file to the beginning of the file, allowing the video to be played before it is entirely downloaded.
    Watermarking
    A watermark can be added to a video to mark video ownership or copyright.
    Opening and ending segments
    Content such as ads and promotional materials can be added to the beginning or end of a video.
    Reduce bandwidth usage
    To reduce your bandwidth usage, you can use a more advanced codec (such as H.266 and AV1) or transcoding mode (Top Speed Codec transcoding) to significantly cut the bitrate without compromising the video quality.

    How to Use

    To learn about how to use the feature, please see Transcoding.
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