Question Bit Depth Question

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Bit Depth Question was created by RobWS

I have added an audio track to a current project recorded from a Zoom H4N digital recorder. My sample rate is 48k and my bit depth is 16. But within MS Platinum I am getting chopped audio and harsh static every few seconds. Are these the wrong audio record options?
25 Jun 2019 09:12 #1

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Replied by DoctorZen on topic Bit Depth Question

My sample rate is 48k and my bit depth is 16

That is a perfectly normal setting for audio. Something else must be going on.
I also use a Zoom to record a lot of audio and it always works OK.

Does the audio file play OK outside of Vegas in a normal Media player ?

Open your Project Properties and go to the Audio tab.
Your settings should be the same.



I did experience something like you are describing a long time ago, but I can't remember now how I fixed it.
It might be a good idea to reset Vegas, just in case something in the temporary files cache is corrupt.

Instructions for how to reset:
www.moviestudiozen.com/doctor-zen-faq/573-how-to-reset-sony-software-to-default-settings#a1

After you do the reset, go to Options/Preferences/Audio Device
Set to = Windows Classic Wave Driver
Does the audio work OK now ?

Remember to turn everything off at least once a week, including your brain, then sit somewhere quiet and just chill out.
Unplugging is the best way to find solutions to your problems.
Peace :)
25 Jun 2019 12:48 #2
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Replied by RobWS on topic Bit Depth Question

1) Yes, the audio plays fine in an external player.
2) My Audio Project Properties matched your screenshot except that I changed the Resample and stretch quality from Good to Best.
3) I completed the reset Vegas steps.
4) In Options / Preferences / Audio Device, I changed the Audio Device type to Windows Classic Wave Driver. 4b) I then changed the Audio Device Type to my Focusrite Scarlett 8i6 USB interface.

None of these changes fixed the audio problem. The stuttering and static was still there, even after restarts.

I then took the .wav file and opened it up in Cakewalk. There I did some minor editing: EQ, compression, etc. Exported it at its original 48K/16 .wav properties. I placed the edited file in MS16 and presto, it was fine. It was a .wav file before the problem and a .wav file after the problem. That makes no sense.

On a side issue, I have a 16 minute GoPro Audio/Video clip and the Zoom Audio clip synchronized. By the end of the 16 minute clip, the two audio files are not in sync. Fortunately, I can make a slight stretch of the Zoom audio clip so they are in sync at the end. Both digital audio. Hmmm.

Thank you Derek. Your knowledge is much appreciated.
26 Jun 2019 08:34 #3

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Replied by DoctorZen on topic Bit Depth Question

I then took the .wav file and opened it up in Cakewalk. There I did some minor editing: EQ, compression, etc. Exported it at its original 48K/16 .wav properties. I placed the edited file in MS16 and presto, it was fine. It was a .wav file before the problem and a .wav file after the problem. That makes no sense.

Now I remember! When the same problem happened to me "out of the blue", a simple re-save of the .WAV file fixed the problem.
I have not idea what causes this, so I think we can safely categorise this as another X-file.

Remember to turn everything off at least once a week, including your brain, then sit somewhere quiet and just chill out.
Unplugging is the best way to find solutions to your problems.
Peace :)
26 Jun 2019 13:26 #4
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Replied by RobWS on topic Bit Depth Question

Sorry to keep this thread running, but my fix is maybe 95% good. The chopped audio is gone but the harsh static still peeks through every now and then. Derek, I tried your suggestion. I took the original .wav file and gave it a new name. I inserted it into MS and all of the problems were still there. Is that what you were suggesting to do? My attempt I mentioned earlier was to give the file a new name after the Cakewalk edit was complete. That almost worked perfectly.
28 Jun 2019 02:20 #5

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Replied by DoctorZen on topic Bit Depth Question

I didn't say "re-name".
When I said re-save, I meant re-render the .WAV file to .WAV
I used Sound Forge Audio Studio to do this.

I don't think the problem has anything to do with Vegas.
It's more likely a problem with the original file or your have an Audio Driver problem in Windows.

You need to do a test.
Record some new test audio with your Zoom.
Then import it into a new test project (do not try and use your current project).
Is the problem still there ?
Remember to turn everything off at least once a week, including your brain, then sit somewhere quiet and just chill out.
Unplugging is the best way to find solutions to your problems.
Peace :)
28 Jun 2019 13:20 #6

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Replied by FayFen on topic Bit Depth Question

If you record a minute and let us try it on our VMS's we can diagnose it better.
Of course only if you can still hear those issue in that minute file.
30 Jun 2019 02:46 #7

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Replied by RobWS on topic Bit Depth Question

(After completing my comments, I realized a .wav file cannot be attached).

I have attached 3 files. "Zoom H4n" is a .wav file simply downloaded into my computer as is and loaded into MS16 as a test. "Cakewalk" is that same file but with a bit of limiting and saved as a .wav file loaded into MS16. "Sound Forge" is again the same original Zoom file but saved within Sound Forge as a .wav file with no editing loaded into MS16. All 3 of these are in my MS16 as a test project. The .wav file is 37 seconds long each.

Within MS16, the "Zoom H4n" file is chopped up. The "Cakewalk" and the "Sound Forge" files play normally. Why no static sounds come from the "Zoom H4n"
example this time, I don't know.

In the main project I am working on, if I zoom way into the audio clip, i.e. stretch the clip, I will get static in some places as well as the display of the audio shows the waveform clipping. That hasn't happened here with this test example.

However, static or no static, the "Zoom H4n" clip does not play properly within MS Platinum. It plays correctly in Groove Music, VLC Media Player, and Windows Media Player.

Here is screenshot attached of 8 seconds of each audio clip.

30 Jun 2019 22:41 #8
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Replied by FayFen on topic Bit Depth Question

sure you cant load files here, there are sharing sites for that.
30 Jun 2019 23:42 #9

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Replied by DoctorZen on topic Bit Depth Question

Please upload large files to a file sharing service.
If you have a Google account, you can use Google Drive to upload your files and then share the link on the forum here.
drive.google.com/drive/my-drive
I would like to test one of your files from the Zoom H4n, to see if I can replicate the problem.
If there is a problem, there may be a bug in Vegas Movie Studio Platinum which I can pass on to the developers of Vegas.
Remember to turn everything off at least once a week, including your brain, then sit somewhere quiet and just chill out.
Unplugging is the best way to find solutions to your problems.
Peace :)
01 Jul 2019 14:57 #10

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