#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 , 8 years ago
comment:2 by , 8 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.
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http://weibo.com/1176020520/F09fyaz77
there is audacity Plot Spectrum