PROBLEM: Audio clips autorender to wrong speed. SOLUTION: Disable Detect tempo in settings

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I did some recordings on a ZOOM R16. Importing files to Waveform, things seem to work fine at first, the files line up nicely and play back correctly. Then, out of the blue, with no (conscient, at least) input from me, Waveform suddenly renders the each file onto the same track, at double speed (and for some extra spice, sometimes leaving some files at the original speed). What can be the reason for this? How do I fix it?
Last edited by skipscada on Tue Aug 08, 2023 10:17 am, edited 2 times in total.

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Rather, it is an unstable operation of the Waveform engine.
The same problem exists with midi files in a relatively busy project with many plugins. It plays just as you describe, the playback speed is approximately doubled. After disabling playback or pause, everything plays normally. For myself, I decided that the power of my computer is not enough for these tasks.

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Thanks for the comment, but I don't quite see the connection.

My problem is Waveform spontaneously rendering imported audio files to double speed / half length, with the additional detail that other files of exactly the same type (recorded the same way, at the same time, and imported at the same time) are also spontaneously rendered, but keep their original length.

I would appreciate signals of life from Tracktion support, especially if it comes in the form of a solution.

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Sorry, but the devs checked out of here a while ago. I think that was a huge mistake.

I don't think I can help you. But in case someone can--looks like you've already patiently waited a month--let's get some basics.

Is it every project? Or just one?

What version? Windows, Mac, or Linux?

Are these audio files you've created yourself and are rendering, or are they imported from another source?

Are you rendering at normal speed or at double speed?

Rendering audio seems to be extremely problematic for this version. I've seen more complaints about it than anything else, I think.

I will tell you that I absolutely AVOID using rendering. I render small sections of audio only, and then--when done--bounce audio from multiple tracks to one, and then pull the resulting audio file out from that project's Recorded Items folder. Seems to bypass a lot of the weirdness people have been reporting.
Spotify, Apple Music, YouTube, and even Deezer, whatever the hell Deezer is.

More fun at Twitter @watchfulactual

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It's unfortunate that Digital Audio Workstation fails at creating audio :-D At least it's still a Digital Workstation - you can work with it for hours, days, weeks digitally. For mere 99 bucks. Great deal!
I'm switching back to Cubase, which is more expensive, but with the Audio bonus...
Waveform 12 Pro, Cubase Pro 13, Windows 11, i7-13700H

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Is this a case of the new auto Auto-Tempo being applied? I think some people are getting tripped up by the word render. My guess is that the OP means "re-draw" rather than the process of rendering audio. Audio files are added to an Edit and in the background Waveform is trying to figure out the tempo. After it thinks it knows the tempo, it applies Auto-Tempo and re-draws ("renders") the audio clip.

At least, that's what I think is happening. Text descriptions are easy to misinterpret.

Note that changes to the setting (Detect tempo of imported audio files) don't seem to take effect until you re-start Waveform.
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Last edited by pough on Wed Aug 02, 2023 3:40 pm, edited 1 time in total.
Surely there must be consensus by now...

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In case I'm right about the reason for the problem, here is how you get your audio clips back to normal:

1. Open the Control Panel up into "Useful Mode"
2. Select your audio clip
3. Switch to the Loop Properties tab
4. Un-check Auto-Tempo

You will probably also need to touch the rightmost triangle on the audio clip's header to force Waveform to re-draw the audio clip correctly.
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Surely there must be consensus by now...

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Pough is correct imo.
Also, It's the redrawing that causes my headaches, as I like to shift/stretch the audio manually and every time you adjust it you have to wait for Waveform to redraw the clip. And if you're using the slip handle to position/slide the waveform inside the clip, the visual drawing of the waveform disappears a s soon as you move it and you can't see what you're doing.
All this seems to be related to the pitch/tempo algorithms and a lot issues can be solved by doing what Pough said and turning it off. (because it seems to be the default for Waveform to assume you want it on all the time)

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Thanks, Pough (and dysjoint)! I wasn't aware of this feature and its potential to create headcaches. It's partly my own fault for installing updates/upgrades without reading the documentation, I suppose. Must remember not to buy upgrades ...

I tried importing the files again. They immediately started automatically rendering (I use the term since it clearly says "rendering XX%" on the clip). In this case they mysteriously all ended up with the correct length. But I checked their properties, and Auto-Tempo was on for all of them. Turned it off in settings now (thanks again!), so hopefully things will work fine now.

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Thanks again for the info. A few months later I'm trying to make some music again, and what do you know? I have to go through the whole shebang again. For some reason Waveform decided I want this feature enabled despite my efforts to disable it last time. At least this time I know where to look, but I'm posting this auto-answer as a bookmark for myself for the next time.

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UnionS8 wrote: Wed Aug 02, 2023 9:32 am It's unfortunate that Digital Audio Workstation fails at creating audio :-D At least it's still a Digital Workstation - you can work with it for hours, days, weeks digitally. For mere 99 bucks. Great deal!
I'm switching back to Cubase, which is more expensive, but with the Audio bonus...
The free version does nearly all the meaningful things that the paid version does. The Devs know that most people will only use the free version, because if they are going to spend money they'll probably end up in Ableton or Logic etc. So they would be putting enormous, continuous effort, a lot of time and energy utilizing a very specialized skillset, for next to no return.

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