Convertisseur AAC

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A propos du format AAC

Nom complet AAC - Advanced Audio Coding
Extension .aac
Type MIME audio/aac
Développé par Bell Labs, Fraunhofer Institute etc.
Type de format Audio compression format
La description Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates. AAC has been standardized by ISO and IEC, as part of the MPEG-2 and MPEG-4 specifications.
Détails techniques AAC supports inclusion of 48 full-bandwidth audio channels in one stream plus 16 low frequency effects channels, up to 16 "coupling" or dialog channels, and up to 16 data streams. The quality for stereo is satisfactory to modest requirements at 96 kbit/s in joint stereo mode; however, hi-fi transparency demands data rates of at least 128 kbit/s.
Programmes associés foobar2000, AIMP, DirectShow, QuickTime, VLC media player.