Re: MS->LR conversion: why does order matter with gain?
Jeff Learman <[email protected]>
| Newsgroups | gmane.comp.audio.sox |
|---|---|
| Message-ID | <CAGyjer7iNSoFuCVpxG5c28_c5XRHbAXDDjWGKTmE4=LJwQoR=Q@mail.gmail.com> |
Never mind! Colon abuse! I meant to chain effects but instead I used multiple effect chains. On Sat, 30 May 2020 at 14:52, Jeff Learman <[email protected]> wrote: > Well I bet I didn't really mean to use negative gain! But I think that > shouldn't affect the question. > > On Sat, 30 May 2020 at 14:46, Jeff Learman <[email protected]> wrote: > >> I'm converting mid-side to LR. Originally I used this: >> >> sox $MS $LR gain -0.5 : remix -m 1,2 1,2i >> >> but found that the result does not have an important property of >> mid-side: when summed to mono, the effect does not cancel out. >> I changed it to this: >> >> sox $MS $LR remix -m 1,2 1,2i : gain -0.5 >> >> and it works as expected. Why is there a difference? Note that there is >> no clipping going on in either case. My intuition says that MS->LR is >> linear, so gain applied before or after should have the same effect. >> >> Thanks! >> Jeff >> >> _______________________________________________ Sox-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sox-users