"We are having some issues with the new Neuroarchiver tool and we feel it's not running smoothly. The issue with running the neuroplayer together with the receiver is confusing. If a student loads a file to check a recording it will not only cause a loss of data but will cause some troubles when we will convert the NDFs to another format. This has already caused a loss of several hours of recording. A couple of days ago I went back to a previous version and I think it worked better. However, we had another issue: the system is still running (Record is on), but the files are empty! And this happened twice spontaneously already. Attached are 2 ndfs, 5155 is the same ndfs when this happened, 8881 is the following one with no data in it."
I am sorry to hear that you are losing data.
I have your two NDF files. Both are recorded with Neuroarchiver 143. You say that the two files were recorded with different versions of the Neuroarchiver. What am I missing?
File 8881 contains no telemetry signals. It is a perfect recording from a receiver that is receiving no signals. File 5155 contains twenty robust recordings up until time 1400 s, and then those recordings disappear. They stop suddenly, as if all the transmitters were turned off simultaneously, which is of course impossible. I'm looking at the raw data in the NDF file now, and there is no corruption of the timing, so the recording is from the same Octal Data Receiver. The Octal Data Receiver has an obsolete feature that allows you to tell it to record only from transmitters in the range 64-79, or 160-175.
Neuroarchiver 143 was bundled with LWDAQ_10.2.2. That's the version of LWDAQ we released in May, 2021. In April 2022, with the release of LWDAQ_10.4.1, we split the Neuroarchiver into two independent parts: the Neuroplayer and the Neurorecorder. In your version of the software, it is possible to re-configure an ODR to ignore your transmitters. In the new version, these obsolete features of the ODR are hidden.
In the past two years, we have done a lot of work making the Neurorecorder and Neuroplayer more robust and easy to use, as you can see for yourself in the revision histories below.
The current release of LWDAQ is 10.5.5 with Neuroplayer 165 and Neurorecorder 162. You are welcome to download and try out the latest version using this link:
Or you can clone our GitHub repository and pull the pre-release of 10.6.0:
The Neuroplayer and Neurorecorder manuals are here:
In the new software, Neurorecorder runs independently of all other processes. You can have multiple Neurorecorders running on the same machine, recording from different data receivers, writing their NDF files to different directories. Each Neurorecorder has its own Receiver button that you can press to view the live data.
I suggest you try out the new software and let me know what happens. Any problems you encounter, we can fix.
Best Wishes, KevanStatistics: Posted by Kevan Hashemi — Tue Aug 29, 2023 9:40 am
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