Audio and video software:

  • ffmpeg-normalize
    An audio normalization program for Python/ffmpeg.
  • itu-p1203
    Implementation of the ITU-T Rec. P.1203 audiovisual quality estimation model for HTTP Adaptive Streaming services.
  • bufferer
    A tool to insert fake buffering events into video streams.
  • active-video-probe
    An Active Video Probe demo for Google Chrome running HTML5 and YouTube video.
  • ffmpeg-debug-qp
    A script debugging QP values from video streams.
  • ffmpeg-quality-metrics
    Calculate quality metrics with FFmpeg (SSIM, PSNR, VMAF).
  • ffmpeg-bitrate-stats
    Calculate bitrate statistics with FFmpeg.
  • scenecut-extractor
    Extract scenecuts from video files using ffmpeg

Web tools:

Multimedia quality evaluation:

Various projects from courses:

  • retreval
    A Ruby API for Evaluating Retrieval Results
  • mappr
    A Flickr visualization for Google Maps on Android. Written for “Praktikum Anwendungsentwicklung” together with Patrik Hummelbrunner.

Random Scripts


  • LaTeX paper kit
    Slightly modified Springer LNCS template for LaTeX, including a few demonstrations. Written for “PS Grundlagen Wissenschaftlichen Arbeitens”. It also features a small README-file. Should get somebody started with LaTeX easily.