#6351 closed defect (invalid)
encodec lossy audio LFE how to do not to process
Reported by: | jhsxy2005 | Owned by: | |
---|---|---|---|
Priority: | normal | Component: | undetermined |
Version: | unspecified | Keywords: | aac |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | yes | |
Analyzed by developer: | yes |
Description
ffmpeg -i "F:\8.flac" -af "pan=7.1|c0=c0|c1=c1|c2=c2|c3=c3|c4=c4|c5=c5|c6=c6|c7=c7" "F:\8.wav"
ffmpeg -i "F:\8.flac" -af "pan=7.1|c0=c0|c1=c1|c2=c2|c3=c3|c4=c4|c5=c5|c6=c6|c7=c7" -c aac "F:\8.m4a"
ffmpeg -i "F:\8.flac" -af "pan=7.1|c0=c0|c1=c1|c2=c2|c3=c3|c4=c4|c5=c5|c6=c6|c7=c7" -c dca -strict -2 "F:\8.dts"
flac & wav,LFE is no process,but aac & dca is do EQ and down volume.
aac & dca,the eq is no same,dca is lower.
??? which set can do not to process LFE ???
Change History (4)
comment:1 by , 7 years ago
comment:2 by , 7 years ago
Keywords: | aac added |
---|
Please provide the (aac) command line you tested together with the complete, uncut console output to make this a valid ticket and please explain your use-case.
comment:3 by , 7 years ago
Resolution: | → needs_more_info |
---|---|
Status: | new → closed |
comment:4 by , 7 years ago
Analyzed by developer: | set |
---|---|
Reproduced by developer: | set |
Resolution: | needs_more_info → invalid |
Cannot be fixed, pretty much all lossy codecs modify the LFE to make it easier to compress so this bug is unfixable.
http://weibo.com/1176020520/F09fyaz77
there is audacity Plot Spectrum