Is there a way to specify the LFE bitrate separately from the other full-range channels?
Steven Ruppert via ffmpeg-user wrote on 9/15/22 16:24: > On 9/12/22 09:33, Steven Ruppert via ffmpeg-user wrote: >> I couldn't find any references whether that's inherent to the AAC 5.1 >> encoding, something that ffmpeg does, or inherent to the decoding >> process. (I did decode my same test files using something that uses >> Microsoft MediaFoundation and the LFE channel was still lowpassed). > > Turns out the AAC codec inherently limits the LFE bandwidth, so > there's no way around it. > > The actual ISO/IEC 13818-7:2006(en) Standard costs a bunch of money to > read as usual, but in the free glossary there is an entry: > > >low frequency enhancement ( LFE ) channel: limited bandwidth channel > for low frequency audio effects in a multichannel system > > https://www.iso.org/obp/ui/#iso:std:iso-iec:13818:-7:ed-4:v1:en > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
