On Sun, 27 Jan 2013, Abrolag wrote:
> On Sun, 27 Jan 2013 19:25:02 +0100 (CET)
> Holger Marzen <hol...@marzen.de> wrote:
>
> The most extreme example I know of is fast lookahead limiting. It side-chains
> a control signal then delays the main path (typically about 20mS) in order to
> apparently perform time travel and start to adjust the level before the spike
> hits.
>
> The integrated DAWS you get with Windows and Apple have default, fixed sets of
> effects that they know the precise conditions of and can therefore actually
> advance recorded tracks based on this precise knowledge. Try using unknown
> plugins and the situation changes.
>
> Without knowing the precise details of every effect you could plug in
> Rosegarden has no hope of doing this. In practice I've never found it a
> problem
> as it is easy to just jog a track left or right until it is correct.
>
> There is also a pseudo-latency effect you can get if you mix slow attack
> sounds
> with fast attack ones (something I do a lot of). I find that usually just one
> 'Jog Left' in the matrix viewer is enough - thank you very much whoever had
> that bright idea!
There are JACK-routines that report latency. E.g. the graphical
multiband EQ has some noticeble latency. Rosegarden handles this
already. Kudos to the developers!
- But there is an off-by-one bug in latency compensation in subgroups
- Audio tracks don't get latency compensated (delayed) at all:
1.) Set up a synth plugin track
2.) Record vocals and align them, so they are in sync
3.) Add artificial latancy plugin to the synth plugin track, e.g. 500
ms
4.) Audio track is out of sync.
These are real annoying bugs because I have to align each audio snippet
when adding plugins to synth plugin tracks. Maybe (I am no god and don't
know everything) this is the reason I hardly encounter pop-like songs
recorded with Rosegarden where we have drums and bass that have to be
aligned together with vocals.
The bugs are:
- 1358 Latency Compensation Bug in Subgroups
- 1360 Latency Compensation for Audio Tracks
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