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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (10197)
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Changelog : add note on ffplay dynamic volume control
4 octobre 2015, par Ganesh Ajjanagadde -
I have to configure background music and voice with ffmpeg such that whenever voice will play background music volume will be less than voice ?
18 janvier 2023, par Namrata Bandalcreating dynamic volume changes in an audio file where the voice is playing, and the voice should be played at 100% volume throughout the duration of 4-16 seconds while the background music's volume changes between 4-8 seconds from 100% to 20% linearly, 8-12 seconds hold the volume at 20% and 12-16 seconds change the volume from 20% to 100% linearly after 16 seconds hold the volume at 100% and 4-16 seconds voice should be hold volume at 100% in ffmpeg command


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FFmpeg Audio DPLII + Volume normalization seems failing
10 avril 2017, par vit123Kind FFMpeg experts,
I’m using the last FFmpeg version 3.2.4, my target is to normalize the DPLII output from a multichannel (e.g. DTS-HD) stream, by just the following two FFMpeg commands :
1)
ffmpeg -i myInput.dtshd -af "aresample=matrix_encoding=dplii:ocl=downmix,volumedetect" -f null NUL
so detecting for example : "max_volume : -6.2 dB"
then :2)
ffmpeg -i myInput.dtshd -af "aresample=matrix_encoding=dplii:ocl=downmix,volume=6.199dB" myOutput.wav
The big problem is that the WAV output I get is severely clipped and completely different from what I get issuing the following 2 separated commands after the (same) 1st one :
2a)
ffmpeg -i myInput.dtshd -af "aresample=matrix_encoding=dplii:ocl=downmix" myOutputLowVol.wav
2b)
ffmpeg -i myOutputLowVol.wav -af "volume=6.199dB" theCorrectOutput.wav
Now the big question is : shouldn’t be the command 2) exactly equivalent to commands 2a) + 2b) ?
Whyever I get 2 very different results : in the 1st case I get an "over-volumed" audio, in the 2nd case I get a perfectly normalized audio ?Am I missing anything ? is this a bug ?
Thanks a lot for your help !Vittorio
P.S.
please note that issuing a "volumedetect" on "myOutputLowVol.wav", I get just the same "max_volume" resulting from 1), as expected, so the problem seems being all on command 2)