Slow playback time

[francesco3450]

I'm new to the first weapons. I installed LMMS, all right, I uploaded a demo project but when I play it, time runs slowly (10 times slower).
The tamesize is set to 2056 and the CPU is busy less than 5%.
You can help me find where I am wrong.
Thanks in advance
Francesco

[musikbear]

I'm new

Welcome to the forum francesco3450! Here are all our important links:
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I uploaded a demo project but when I play it, time runs slowly (10 times slower).

Could you tell us which one?

The tamesize is set to 2056

This i cant understand. We do not have anything called time-size (tamesize), but it is the BPM that will control the playback speed of a project.
The BPM controller is this one:

You find it in the main-windowa Tool-bar:

Default it is 140 BMP
What does yours say?

There is also the possibility that a false setting in setup can lead to a problem like this.
please post your:
* OS (+service-pack-version)
* lmms version
* hardware specification (ram & soundcard is the most important)
* lmms sound device chosen

[slipstick]

Or if perhaps you mean the Buffer size is set to 2560 Frames then this setting should make no difference to the playback speed.

Steve