![]() ![]() The AAC frames size vary depending of the audio complexicity and coding requirements (for audio quality). Tattvadarzin wrote: ↑ Sun 1:55 pm Problem 1įraunhofer IIS AAC-LC encoder supports only 32 kHz sample rate with 64 kbit/s.ĪAC encoding is always sort of constrained-VBR even in "CBR" mode the bitrate can vary +/- 3/4 kbit/s. There is a bug on the production of Mono files. There is a bug in reading the input sample rate. ![]() The information in the input files is insufficient or incorrect for EZ CD Audio Converter to correctly process the file. ![]() #MONO MEDIAINFO NOT FOUND HOW TO#I do not know how to tell whether it is VBR or CBR with the above mentioned tools. The file size is similar to the input file.įormat/Info : Advanced Audio Codec Low Complexity with Spectral Band Replication Interestingly MediaInfo says it has 1 channel but Adobe Audition and foobar2000 show it as having 2 channels. The Fraunhofer IIS decoder for CBR, HE-AAC, Mono, 64 kbit/s, Auto seems to produce a 2 channel VBR file despite selecting a Mono CBR file. I do not get a Fraunhofer IIS decoder rate of 22050 Hz in the appropriate decoder choice drop down. They all give a converted file with a sample rate of 44.1 kHz. I have tried various conversion variations. I wish to reduce the output in size using HE-AAC at a bit rate say 48 to 64 kb/s.įormat/Info : Advanced Audio Codec Low ComplexityĪdobe Audition confirms the 2 channels and sample rate.ĮZ CD Audio Converter detects this as 62 kbit/s, 44.1 kHz Sample rate, AA-LC Format. The embedded AAC in the AAX gives an unprocessed output file that has 2 apparently identical channels. I use either inAudible or AAXAudioDecoder to give me the unprocessed m4b/m4a file that is the embedded AAC-LC content in the AAX file. I convert my Audible files (legally) for my personal use on my very old Sandisk Sansa music player. ![]()
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