The following table lists the audio codecs which ffDiaporama can use to generate videos:
 
Codec Name WIKIPEDIA
PCM WAV / PCM signed 16-bit little-endian http://en.wikipedia.org/wiki/Pulse-code_modulation
MP3 MPEG-1/2 Audio Layer III http://en.wikipedia.org/wiki/MP3
AAC-LC Advanced Audio Codec http://en.wikipedia.org/wiki/Advanced_Audio_Coding
AC3 Dolby Digital http://en.wikipedia.org/wiki/Dolby_Digital
VORBIS Vorbis http://en.wikipedia.org/wiki/Vorbis
MP2 MPEG-1 Layer II http://en.wikipedia.org/wiki/MPEG-2
AMR Adaptive Multi-Rate http://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec
FLAC Free Lossless Audio Codec http://en.wikipedia.org/wiki/Flac