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Médias (39)

Mot : - Tags -/audio

Autres articles (104)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • Emballe médias : à quoi cela sert ?

    4 février 2011, par

    Ce plugin vise à gérer des sites de mise en ligne de documents de tous types.
    Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ;

  • Contribute to a better visual interface

    13 avril 2011

    MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
    Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.

Sur d’autres sites (6585)

  • Create MP4 for HTML5 video with FFMPEG

    7 août 2013, par Kris

    I'm trying to create an MP4 file with FFMPEG to play with a HTML5 video tag.

    I found some sample codes that use libx264, but when I tried, FFMPEG gave me an "unknown encoder libx264" error.

    I asked my host to install it on my server, and got the following reply :

    After review from our L3 group I am informed that x264 is not supported with FFMPEG any longer. That was a library that went with FFMPEG-PHP that is not supported at all by anyone.

    In order to get that to work with FFMPEG you would need to contact the developers of the FFMPEG software to get assistance with that as it is outside our scope of support.

    I looked everywhere online, but can't seem to find an answer to this. If libx264 is not supported anymore, how is everyone else doing it ? Still libx264 with an older FFMPEG version, or some other way ?

  • Invalid data error during ffmpeg .m4a conversion

    4 janvier 2023, par Kazi bácsi

    I wanted to edit my .m4a voice recording from Samsung Voice Recorder using ffmpeg 2.2.2, however, I got the error Invalid data found when processing input. I tried to open it through Audacity, but it returned an error claiming that the ffmpeg library is missing, which is definitely not the case. Eventually I tried to use online .m4a to .mp3 converters, but they all returned error, so I assume there may be an issue with the encoding of the original file and ffmpeg should be configured accordingly. What settings shall I use ? (The original file can be played on the phone without any problem.)

    


    ffmpeg -ss 00:00:19 -i "C:\Your\Folder\original.m4a" edited.m4a


    


  • Bitrate change with ffmpeg .mp4 -> .wav [duplicate]

    14 juin 2020, par jshackle

    I don't know too much about ffmpeg nor audio in general. I have an .mp4 audio file that I am trying to convert into a .wav file, so I can open it in python with PySoundFile. An issue is that the bitrate increases dramatically from the .mp4 file to the .wav file (I believe 130kb/s -> 1400kb/s) and so the file size increases and becomes harder to handle in python.

    



    For the conversion, I am using a command I found online as I am not familiar with ffmpeg :

    



    ffmpeg -i inFile.mp4 -ab 160k -ac 2 -ar 44100 -vn outFile.wav

    



    I tried playing around with the arguments a little, but I'm still not sure what they do and didn't notice any differences. Is there something going on in the command that is increasing the bitrate ? is it something inherent about .wav files ? should I convert to a different format and if so, how would I do that ?

    


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