creach
06-03-2003, 12:44 PM
Okay, here’s a description of a procedure I followed this morning, and the results. My goal was to try to establish audio-level-continuity throughout the chain, from ingesting material to outputting to tape.
System: Win2k SP3, DX8.1, VT[2] build 3890, SR 4.8SE, Dual 2.4ghz Xeon, 1gig RAM.
I recorded a 1k tone to DAT in our audio booth, recording level to –3vu. Then I moved the tape into our Toaster, thru the Mackie mixer. Output of the Mackie to 0vu. Set the meter on the input strip of the Toaster Audioboard to 0vu, set the “Toaster out” of the (Toaster) mixer to 0vu. Setup the capture panel to record audio only, and set the signal level on the capture panel to 0vu. Record into Toaster.
Place the recorded tone on the Ted timeline and play. 0vu, right? Nope. The Ted meter seems to say it’s down, but without markings it’s hard to say how much. Tweak the audio level in the Edit Properties panel so the signal lights all the yellow Ted segments, with the assumption the red is zero. Play the timeline. Ted is apparently outputting 0vu.
(At this point, I’d like to go on record as saying the Ted timeline audio control and the capture panel audio control are totally redundant. Why are there SO many audio level controls?)
Render the timeline (audio only) to a wav file. Exit VT, start SR, import the rendered tone and place it on the timeline. Set the “master audio gain” to –4db to allow for program changes…don’t want SR to stop when it encounters peaks. Set the input level of our UVW1800 to 0vu.
Exit SR, and log out of Win2k as me. Log in as the other VT user and perform the same set of steps, with the same settings.
I should have had the same reading (0vu) at the Beta inputs. But I didn’t. There was a –2vu difference. Which I “fixed” by setting the second user’s SR “master audio gain” to –2db.
Why is that?
Dan
System: Win2k SP3, DX8.1, VT[2] build 3890, SR 4.8SE, Dual 2.4ghz Xeon, 1gig RAM.
I recorded a 1k tone to DAT in our audio booth, recording level to –3vu. Then I moved the tape into our Toaster, thru the Mackie mixer. Output of the Mackie to 0vu. Set the meter on the input strip of the Toaster Audioboard to 0vu, set the “Toaster out” of the (Toaster) mixer to 0vu. Setup the capture panel to record audio only, and set the signal level on the capture panel to 0vu. Record into Toaster.
Place the recorded tone on the Ted timeline and play. 0vu, right? Nope. The Ted meter seems to say it’s down, but without markings it’s hard to say how much. Tweak the audio level in the Edit Properties panel so the signal lights all the yellow Ted segments, with the assumption the red is zero. Play the timeline. Ted is apparently outputting 0vu.
(At this point, I’d like to go on record as saying the Ted timeline audio control and the capture panel audio control are totally redundant. Why are there SO many audio level controls?)
Render the timeline (audio only) to a wav file. Exit VT, start SR, import the rendered tone and place it on the timeline. Set the “master audio gain” to –4db to allow for program changes…don’t want SR to stop when it encounters peaks. Set the input level of our UVW1800 to 0vu.
Exit SR, and log out of Win2k as me. Log in as the other VT user and perform the same set of steps, with the same settings.
I should have had the same reading (0vu) at the Beta inputs. But I didn’t. There was a –2vu difference. Which I “fixed” by setting the second user’s SR “master audio gain” to –2db.
Why is that?
Dan