The DijonStock Digital Home Recording Support Forum

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PostPosted: Tue Jan 11, 2011 12:10 am 
Website Slayer and Problem Solver
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Joined: Fri Dec 03, 2004 1:28 am
Posts: 1264
Location: 1/2 Central CA Coast; 1/2 RVing
Machine type: AW1600
A friend was over last week recording a vocal to one of his songs on my 1600. He did a short punch-in after the take. We noticed a "glitch" (drop out) in the audio. Did a punch-in again (w/o Undo). Same problem. Looked at the waveform and there was audio missing shortly after the start of the punch-in (didn't measure the length of the missing audio gap). Did a 3rd punch-in and all was OK.

Without using Undo, all these punch-ins would have been on a different part of the hard drive. I noticed while playing back the entire song I'm sometimes seeing "Disk Busy" messages.

Anybody else experienced something like this? Sound like a hard drive defective sector or a "too busy" problem? Or .........??


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PostPosted: Tue Jan 11, 2011 12:46 am 
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Joined: Tue Jun 22, 2004 10:58 pm
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Machine type: AW2400
Sorry can't help you there. I've not tried punching in on the G. Done it plenty of times on my Korg keyboard. Never been an issue.

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PostPosted: Tue Jan 11, 2011 2:40 am 

Joined: Mon Mar 17, 2008 12:50 am
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Not sure about punch-in dropouts, but I've seen Disk Busy bug.
Few years ago my brand new 1600 was showing me this error without one whole song recorded on disk.
I sent machine back to store.
Later I bought older G and never saw Disk Busy error again...

However, I remember one thing helped, I think it was Merge function, did U try this?

PostPosted: Sat Mar 05, 2011 1:43 am 
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Joined: Wed Aug 25, 2004 11:37 am
Posts: 516
Location: Australia
Machine type: AW2400
If you record one track from zero to the end of the song, think of that as one wave file.

Because you can use Undo, every punch-in or overlapping recording you do on this track becomes a separate wave file in a new location.

Staying with the one track example, if you have several short punch-ins, when the machine plays back in real time it has to look ahead and read these files into the playback buffer. If you have many, many short recorded parts and drop-ins across 16 current virtual tracks you can see this can become quite complex. This is why you get the Disk Busy message - a further file call has been made but the machine is still busy performing the previous one.
Normally it can cope with this. However, when it reaches a stage where it can't, you can not only get jerky playback but can sometimes hear the wrong parts in the wrong places. If this continues, you can actually get corrupted files and your song is ruined. You may also find that the machine does a spontaneous reboot.

You can check this before you hear it by going to Utilites and running a chkdsk (careful - NOT format) to see if you get any reported Link Errors. If you do, the song is on the way out. So, at your first Disk Busy message, you need to backup your song to disc and continue doing this often until the song is complete. A MERGE would also be in order.

You can reduce the number of calls in a track by doing a MERGE. This simply takes all of the files that make up one Virtual track and concatenates them into one continuous file, with silence in the spaces. You can see this, before and after, by going to the Track View screen. Where there may have been mutilple lines for a track with spaces in between, you will now get one continuous line. I think Yamaha introdcued the MERGE function after release to address this problem.

As for the drop-outs, are you are using auto punch? If so, there is a pre-roll time where you hear the original recording before the machine drops into record. In this pre-roll time, the red recording light blinks and it only goes solid once recording commences. You can alter this pre-roll time in Preferences but you can't make it zero.

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