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Autres articles (41)

  • 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 (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
    Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
    Modification lors de l’ajout d’un média
    Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)

Sur d’autres sites (4354)

  • Add white noise to audio stream at specific time stamp for specific duration using FFMPEG

    25 mai 2022, par cpron

    I have a video.mov file of 1 minute. What I want is to make the volume of the current audio stream to 0 for a specific duration and add noise at that specific timestamp.

    


    ffmpeg -y -i video.mov -filter_complex volume=enable='between(t,15,20)':volume=0[main];anoisesrc=d=5:c=pink:r=44100:a=0.5[noise];[main][noise]amix=inputs=2


    


    Thank you in advance.

    


  • aacenc : Enable Perceptual Noise Substitution by default

    1er septembre 2015, par Rostislav Pehlivanov
    aacenc : Enable Perceptual Noise Substitution by default

    It has been in the current encoder in its current implementation
    
for quite some time now, so enable it by default. Will increase
    
quality at all bitrates, especially at low ones.
    

    Signed-off-by : Rostislav Pehlivanov <atomnuker@gmail.com>
    • [DH] libavcodec/aacenc.c

  • avfilter/af_afftdn : do not profile noise if number of sampled blocks is 0

    18 mars 2022, par Paul B Mahol
    avfilter/af_afftdn : do not profile noise if number of sampled blocks is 0
    • [DH] libavfilter/af_afftdn.c

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