[audacity4blind] Re: Editing multiple tracks and question about synclock tracks

  • From: Andrew Downie <access_tech@xxxxxxxxxxxxxx>
  • To: audacity4blind@xxxxxxxxxxxxx
  • Date: Sat, 10 Dec 2016 15:47:59 +1100

Hi Thomas


I first thought that you turn on sync lock before creating the tracks. However, it can be turned on afterwards to sync lock a group of tracks. A group of tracks must be separated from other groups by a label track.


Your expectation of sync lock exceeds what it offers. While any adjustment you make to length of a track by such actions as deleting a section or changing speed on a selected track will affect all tracks in the group whether selected or not, applying an effect to one track does not have it applied to unselected tracks in the group. Shame that!


Here is an excerpt from the manual:

Sync-Locked Track Groups

The Sync-Locked Track Groups feature is enabled by the "Sync-Lock Tracks" menu item or button. It ensures that length and position changes occurring anywhere in a defined group of tracks also take place in all audio or label tracks in that Sync-Locked track group even if those tracks were not selected.
This lets you keep existing audio or labels synchronized with each other even when carrying out actions like inserting, deleting or changing speed or tempo.
Warning icon
This command does NOT let you select particular individual tracks then interlock those selected tracks, rather Sync-Locking is based on Track Groups.
Sync-Lock Tracks
Sync-Lock Tracks can be turned on or off at Tracks > Sync-Lock Tracks or by using the Sync-Lock Tracks button The Sync Lock Button in Edit Toolbar. Sync-Lock Tracks is off by default. Turning on Sync-Lock Tracks does not immediately realign tracks or labels. It forces tracks and labels to remain synchronized if they move after Sync-Lock Tracks is enabled.

End of excerpt
The sync lock item is in the Tracks Menu. Even after reading much more of the manual and playing with the feature, I am still not completely clear on how it works. On Windows the screen reader announces when a track is sync locked, but I haven't checked on the Mac.


Andrew


On 9/12/2016 7:33 PM, Thomas Byskov Dalgaard wrote:

Hi Andrew!

That makes almost sense to me now, so if I used synclock tracks how do I define the group of tracks? It sounds like I am doing something wrong when I just select the tracks, and then choose to synclock them, or am I actually doing something right here? :) If I understand this correctly this feature would be great when adding effects such as compression to multiple tracks without affecting all tracks in the project.

Best regards Thomas


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Den 9. dec. 2016 kl. 08.50 skrev Andrew Downie <access_tech@xxxxxxxxxxxxxx <mailto:access_tech@xxxxxxxxxxxxxx>>:

Hi Thomas


I think I understand the sync lock feature correctly from a quick read of the Manual and brief experimentation. Once you have sync locked tracks, you don't have to select more than one in the group to apply whatever you do to a selected one to others in the group. Because you selected two tracks, deleting a portion would remove it from both tracks regardless of whether sync lock is turned on or off.


Now to your second question. Think of Audacity a bit like a word processor. Let's assume you moved your cursor to one minute into the track, selected some audio and deleted it. Your cursor will still be at that point. To hear earlier audio you will have to move the cursor to the left. On the other hand, if you play from the beginning and stop by pressing the spacebar, next time you press the spacebar to play it will start from the beginning because you have not moved the cursor.



Andrew



On 9/12/2016 9:41 AM, Thomas Byskov Dalgaard wrote:
Hi!

Sorry for this (perhaps) newbie question, but I believe I have misunderstood something for ages regarding Audacity, so can someone please tell me how the following is possible?
I have given the 2.1 release of Audacity a testdrive on my Mac, and it works quite well so far, so these questions can hopefuly be answered by anyone...

I imported three files to Audacity and selected two of the three tracks. Now everytime I remove something from the selected tracks it just works without having to synclock tracks... Why is that?
I thought I had to synclock tracks before making that kind of edits.., but it looks like something has changed much here since I last played with Audacity for real. :)
Why should one now use the synclock tracks option if Audacity does this by default?
Another thing, which I always forget when I revisit Audacity is why the cursor jumps to the start of an edit... Suppose I have deleted a few seconds into a file and when I playback the audio, I hear from the position of my edit. I have to press the left arrow and then move the cursor backwards again to hear more of the audio... Can I change this or how did some of you get use to this?
Thanks in advance fonyr advice.

Best regards Thomas


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