Para vuestra información Audition desde que era Soundbooth, usa los algortimos de izotope, aunque en la version CS6 ya mostraba su propio algoritmo. En cuanto a importar un ac3 en premiere no se puede y aunque se pudiera no es recomendable ya que no lo realiza correctamente, debido a que no reconoce o no han querido hacer que reconozca el DRC, en su cabecera o encabezado. Para decodificar correctamente un archivo ac3, o bien se usa el decoder de dolby, o se usan soft que deshabilitan el DRC antes de decodificar como ffmpeg o eac3to. Otro tipo de decodificadores no se asegura que sea correcta su decodificacion, provocando niveles de ganacia erroneos en el archivo decodificado. En el Audition CS6 se ha podido contrastar que no decodifica correctamente. (Lo se por experiencia)
Todos los audios que no sean decodificados de esa manera, serán erroneos.
http://forum.doom9.org/showthread.php?t=125966Please note that there are three common problems with "properly" decoding compressed audio tracks. The first problem has to do with that the purpose of a media player is different than the purpose of people like us who want to reencode audio tracks. A media player may want to adjust volume levels to specific parameters and circumstances. We reencoders absolutely want to avoid any processing on the precious audio data. This is a conflict which can not always be solved. The three known problems are:
(1) Some decoders apply DRC (Dynamic Range Compression). Stupidly Dolby's license requests that DRC must be applied, unless your decoder has an option to turn it on/off. Only then the decoder is allowed to not apply DRC. The purpose of DRC is to limit the dynamic range of an audio track, mainly to not annoy neighbours or to accomodate to noisy living room conditions. For our purposes DRC is catastrophic.
(2) Some decoders forcefully downconvert to 16bit, or raise volume for unknown reasons or do other stupid stuff.
(3) Some decoders don't make use of the full available information, but just extract and decode the "core" of the compressed audio data, which obviously results in less than optimal audio quality.