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default lowpass frequencies in apple encoder #70
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--lowpass has nothing to do with the Apple encoder's bandwidth. |
I know, it works the same in lame or fdk. But I'd rather save the effort of inspecting the output of various bitrates if it's known in advance. E.g: say I knew apple lowpassed 128 at 17Khz by default like fdk, I might or not choose to lowpass further in options. And I understand better the internal choice of the encoder to compare. |
Interesting, I never found informations that (Apple) AAC Encoder would limit the bandwidth. Sorry for being maybe off-topic. |
I would like to know which are the default lowpass frequencies used in cbr and vbr profiles to be able to adjust --lowpass option in command line. Lame and fraunhofer encoders specify these in hydrogenaudio wikis, as it is very important to know where are lowpass filters to choose performance in high bitrates.
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