(freeware, no longer available - only as external download) For AAC encoding Nero AAC Encoder is needed.
However Libav is unable to decode files with mixed sampling rates (i.e. Nero7 is limited to 5.1 while Libav / ffmpeg can output up to 7.1 channels. Nero7 is the default decoder for E-AC3 format.īoth decode bit perfect.
Libav / ffmpeg would be the only one that can decode 7.1 channel audio tracks (this feature is not yet implemented though, as the decoder is still under development).
Nero7 uses Dolby's reference code and therefore should offer better sound quality over Libav / ffmpeg.Īs a result Nero7 is the default decoder for AC3 format. libav / ffmpeg decoder (freeware, ships with eac3to package).Nero 7 (version 7.8.5.0 or newer, Nero 8 won't work) accompanied with Nero Blu-ray / HD DVD plugin (commercial software).Evaluation of them is based on the comprehensive testing of the Doom9 forum members. Depending on what is the user's goal more or less of the filters below are needed. As eac3to puts quality on top, it uses the best audio decoders available, but since most of them are commercial software, there also freeware alternatives (usually of lower sound quality though). These can be audio decoders and encoders or media splitters and muxers. Taking the most out of eac3to involves using several external filters.