# Latest **URL:** https://forum.vocalpy.org/latest.md [Latest](https://forum.vocalpy.org/latest.md) · [Categories](https://forum.vocalpy.org/categories.md) · [Tags](https://forum.vocalpy.org/tags.md) --- ## [How to use the VocalPy forum](https://forum.vocalpy.org/t/how-to-use-the-vocalpy-forum/14)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [March 20, 2022, 8:54pm UTC](https://forum.vocalpy.org/t/how-to-use-the-vocalpy-forum/14 "2022-03-20T20:54:40Z")
Welcome to the forum for VocalPy :speech\_balloon: :python:! This is a positive, inclusive, and constructive community space. It’s a place for asking questions, reporting bugs, connecting with others in the community, di… --- ## [Forum Acusticum 2023 proceedings paper on VocalPy](https://forum.vocalpy.org/t/forum-acusticum-2023-proceedings-paper-on-vocalpy/81)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 1\ **Last updated:** [December 19, 2025, 5:02pm UTC](https://forum.vocalpy.org/t/forum-acusticum-2023-proceedings-paper-on-vocalpy/81 "2025-12-19T17:02:17Z")
As long as I’m sharing things, I thought I’d post a proceedings paper from Forum Acusticum 2023 on VocalPy. You can access here in the VocalPy project: It should be available on the EAA site with FA proceedings shortl… --- ## [Computational Urban Ecology of Rats paper](https://forum.vocalpy.org/t/computational-urban-ecology-of-rats-paper/109)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [December 19, 2025, 2:45pm UTC](https://forum.vocalpy.org/t/computational-urban-ecology-of-rats-paper/109 "2025-12-19T14:45:09Z")
Hi all, Want to share this new(ish) paper from @ralphpeterson, “Computational Urban Ecology of New York City Rats” https://www.biorxiv.org/content/10.1101/2025.07.21.665423v1 Figure 7 uses VocalPy! … --- ## [Introduce yourself](https://forum.vocalpy.org/t/introduce-yourself/17)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 33\ **Last updated:** [July 22, 2025, 7:14pm UTC](https://forum.vocalpy.org/t/introduce-yourself/17 "2025-07-22T19:14:18Z")
Whether you are new to the VocalPy community or you’ve been around awhile, this thread is an opportunity to say hi and tell us a bit about yourself. Please, if you feel comfortable doing so, say a little bit about what … --- ## [We have a blog! And a post on VocalPy version 0.10.0](https://forum.vocalpy.org/t/we-have-a-blog-and-a-post-on-vocalpy-version-0-10-0/107)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [July 18, 2025, 4:36pm UTC](https://forum.vocalpy.org/t/we-have-a-blog-and-a-post-on-vocalpy-version-0-10-0/107 "2025-07-18T16:36:47Z")
Hi all, just sharing that there is now a VocalPy developer blog and a post about the latest release of VocalPy: …ignoring some newer patch releases that fix actually important things like the citation to the software! … --- ## [Paper on gerbil dialects that uses VocalPy now out in eLife](https://forum.vocalpy.org/t/paper-on-gerbil-dialects-that-uses-vocalpy-now-out-in-elife/102)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 1\ **Last updated:** [January 21, 2025, 10:06pm UTC](https://forum.vocalpy.org/t/paper-on-gerbil-dialects-that-uses-vocalpy-now-out-in-elife/102 "2025-01-21T22:06:56Z")
Hi all, Just wanted to share this paper from @ralphpeterson that is now published in eLife: The journal has a nice explainer post here: As part of the analysis, they extract acoustic features using VocalPy. Check o… --- ## [BrokenProcessPool during vak prep](https://forum.vocalpy.org/t/brokenprocesspool-during-vak-prep/101)
**Author:** [@Sita](https://forum.vocalpy.org/u/Sita)\ **Replies:** 9\ **Last updated:** [January 21, 2025, 2:07am UTC](https://forum.vocalpy.org/t/brokenprocesspool-during-vak-prep/101 "2025-01-21T02:07:10Z")
Hi all, I installed vak on linux and everything worked fine with the bengalese finch test set from the tutorial. Now I’m trying my own recordings but I think I’m running into memory problems. During vak prep It starts a… --- ## [Issues with vak predict with the latest version of vak](https://forum.vocalpy.org/t/issues-with-vak-predict-with-the-latest-version-of-vak/95)
**Author:** [@koparkanya](https://forum.vocalpy.org/u/koparkanya)\ **Replies:** 3\ **Last updated:** [May 8, 2024, 1:35am UTC](https://forum.vocalpy.org/t/issues-with-vak-predict-with-the-latest-version-of-vak/95 "2024-05-08T01:35:26Z")
Hi! I am having problems during the vak predict predict.toml step. It always gives this error: Traceback (most recent call last): File “/gpfs01/veit/user/akoparkar/miniconda3/envs/vakenv/bin/vak”, line 10, in sys.exit… --- ## [Vak 1.0.0a1 released!](https://forum.vocalpy.org/t/vak-1-0-0a1-released/55)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [March 6, 2023, 2:52am UTC](https://forum.vocalpy.org/t/vak-1-0-0a1-released/55 "2023-03-06T02:52:50Z")
Hi all, just letting you know that we have released the first alpha version of vak version 1.0! We have switched to Lightning as a backend, and we are adding new models and datasets. You can test out the alpha by pip i… --- ## [How to optimize training and evaluate \`vak eval\` results](https://forum.vocalpy.org/t/how-to-optimize-training-and-evaluate-vak-eval-results/93)
**Author:** [@riifaaa](https://forum.vocalpy.org/u/riifaaa)\ **Replies:** 1\ **Last updated:** [March 6, 2024, 11:58pm UTC](https://forum.vocalpy.org/t/how-to-optimize-training-and-evaluate-vak-eval-results/93 "2024-03-06T23:58:01Z")
Hi everyone, I apologize in advance if this topic has already been discussed in other threads (for example, specifically about train\_dur here). But my question here is pretty general: how do you optimize training Tweety… --- ## [Thanks Ralph Peterson for recent contributions to VocalPy](https://forum.vocalpy.org/t/thanks-ralph-peterson-for-recent-contributions-to-vocalpy/87)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 2\ **Last updated:** [February 9, 2024, 9:42pm UTC](https://forum.vocalpy.org/t/thanks-ralph-peterson-for-recent-contributions-to-vocalpy/87 "2024-02-09T21:42:47Z")
Hey all, just want to say thanks to @ralphpeterson for a couple of contributions: Improved install instructions for VocalPy: Docs updates by ralphpeterson · Pull Request #99 · vocalpy/vocalpy · GitHub Much more helpfu… --- ## [Vak + TweetyNet with an Apple M1 Max?](https://forum.vocalpy.org/t/vak-tweetynet-with-an-apple-m1-max/78)
**Author:** [@mrm](https://forum.vocalpy.org/u/mrm)\ **Replies:** 13\ **Last updated:** [September 23, 2023, 5:56pm UTC](https://forum.vocalpy.org/t/vak-tweetynet-with-an-apple-m1-max/78 "2023-09-23T17:56:16Z")
Hello, I’m trying to work through the introductory example vak to learn to classify notes in the songs of Java sparrows and am running into trouble on a laptop with an Apple M1 Max chip. I’m able to go ‘vak prep …’, bu… --- ## [SciPy 2023 talk + proceedings paper on vak](https://forum.vocalpy.org/t/scipy-2023-talk-proceedings-paper-on-vak/80)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [September 21, 2023, 1:22am UTC](https://forum.vocalpy.org/t/scipy-2023-talk-proceedings-paper-on-vak/80 "2023-09-21T01:22:28Z")
Hey all, just wanted to share a talk I gave at the SciPy 2023 conference on vak, and an accompanying proceedings paper with @yardenc as co-author. We haven’t made much noise about this on social media because version 1.… --- ## [Inconsistent syllable error rate between vak eval and predict](https://forum.vocalpy.org/t/inconsistent-syllable-error-rate-between-vak-eval-and-predict/79)
**Author:** [@zhileizhao](https://forum.vocalpy.org/u/zhileizhao)\ **Replies:** 4\ **Last updated:** [September 20, 2023, 10:11pm UTC](https://forum.vocalpy.org/t/inconsistent-syllable-error-rate-between-vak-eval-and-predict/79 "2023-09-20T22:11:41Z")
Hi vocalpy team, Great work on developing the toolkits! Thank you so much for making them publicly accessible! I’ve been using vak to train TweetyNet model on my own vocalization data for the annotation task. I’m a li… --- ## [Use of both Sequence and BBox in Annotation class](https://forum.vocalpy.org/t/use-of-both-sequence-and-bbox-in-annotation-class/63)
**Author:** [@samlapp](https://forum.vocalpy.org/u/samlapp)\ **Replies:** 7\ **Last updated:** [September 20, 2023, 7:00pm UTC](https://forum.vocalpy.org/t/use-of-both-sequence-and-bbox-in-annotation-class/63 "2023-09-20T19:00:39Z")
From what I understand, Annotation is the central class that other classes interface with and serves as a common ground for annotation information. The class stores annotations either as a list of BBox or as a Sequence (… --- ## [Errors in training and predicting when the newest version of vak is installed](https://forum.vocalpy.org/t/errors-in-training-and-predicting-when-the-newest-version-of-vak-is-installed/71)
**Author:** [@Jacqueline](https://forum.vocalpy.org/u/Jacqueline)\ **Replies:** 5\ **Last updated:** [September 11, 2023, 4:04pm UTC](https://forum.vocalpy.org/t/errors-in-training-and-predicting-when-the-newest-version-of-vak-is-installed/71 "2023-09-11T16:04:19Z")
Hi, I found a bug: if you install vak with the newest version of python and lightning package than there will be an error with the accelerator = ‘None’. I installed the vak environment as such: Anaconda Powershell co… --- ## [White-crowned Sparrow Songs Preprint!](https://forum.vocalpy.org/t/white-crowned-sparrow-songs-preprint/68)
**Author:** [@kaiyaprovost](https://forum.vocalpy.org/u/kaiyaprovost)\ **Replies:** 2\ **Last updated:** [July 19, 2023, 1:09pm UTC](https://forum.vocalpy.org/t/white-crowned-sparrow-songs-preprint/68 "2023-07-19T13:09:27Z")
Hello all, Hope everyone is well! Wanted to take a moment and shout out our new pre-print. Our former undergraduate student Jiaying Yang absolutely knocked this out of the park, learning not just how to do all of the s… --- ## [Specifying the frequency range using vak](https://forum.vocalpy.org/t/specifying-the-frequency-range-using-vak/67)
**Author:** [@denajane13](https://forum.vocalpy.org/u/denajane13)\ **Replies:** 1\ **Last updated:** [July 18, 2023, 5:03pm UTC](https://forum.vocalpy.org/t/specifying-the-frequency-range-using-vak/67 "2023-07-18T17:03:05Z")
Hello, I have worked through the vak tutorials and got everything up and running - kudos to the developers! I could not find any information or tutorials on how to change the frequency range or limits of the spectrogram… --- ## [\_spectral\_helper error during prep](https://forum.vocalpy.org/t/spectral-helper-error-during-prep/65)
**Author:** [@Sita](https://forum.vocalpy.org/u/Sita)\ **Replies:** 3\ **Last updated:** [July 8, 2023, 4:58pm UTC](https://forum.vocalpy.org/t/spectral-helper-error-during-prep/65 "2023-07-08T16:58:02Z")
Hi all, I hope I didn’t miss anything obvious in the tutorial (sorry if I do, bit under time pressure due to students’ deadlines). I get an error during prep in the spectrogram step. The progress bar starts running for… --- ## [Introduction Maris Basha, new member](https://forum.vocalpy.org/t/introduction-maris-basha-new-member/64)
**Author:** [@marisbasha](https://forum.vocalpy.org/u/marisbasha)\ **Replies:** 2\ **Last updated:** [July 8, 2023, 4:53pm UTC](https://forum.vocalpy.org/t/introduction-maris-basha-new-member/64 "2023-07-08T16:53:39Z")
Hello everyone! I am Maris, a PhD student at ETH Zurich. I was invited by Prof. Cohen after a discussion we had at a conference in Italy recently. I’d like to contribute to the library, specifically in similarity metri… --- ## [Crowsetta accepted as a pyOpenSci package, published in JOSS, version 5.0.0 released](https://forum.vocalpy.org/t/crowsetta-accepted-as-a-pyopensci-package-published-in-joss-version-5-0-0-released/58)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [April 13, 2023, 1:42pm UTC](https://forum.vocalpy.org/t/crowsetta-accepted-as-a-pyopensci-package-published-in-joss-version-5-0-0-released/58 "2023-04-13T13:42:15Z")
Hi all, Proud to announce that Crowsetta has been accepted as a package at pyOpenSci :tada: and published in JOSS :rocket: pyOpenSci review is here if you’re interested: crowsetta: A Python tool to work with any format… --- ## [Error in last step of generating predictions](https://forum.vocalpy.org/t/error-in-last-step-of-generating-predictions/54)
**Author:** [@nhoglen](https://forum.vocalpy.org/u/nhoglen)\ **Replies:** 2\ **Last updated:** [February 25, 2023, 1:03am UTC](https://forum.vocalpy.org/t/error-in-last-step-of-generating-predictions/54 "2023-02-25T01:03:36Z")
Hello! I recently updated vak to v0.8.0 and TweetyNet to v0.9.0 and have encountered a new error (that I did not get with my previous installs) at the very last step of using the predict method of vak. Here is the full… --- ## [Vak 0.8.0 + TweetyNet 0.9.0 released; vak 1.0 in development](https://forum.vocalpy.org/t/vak-0-8-0-tweetynet-0-9-0-released-vak-1-0-in-development/53)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [February 16, 2023, 4:58pm UTC](https://forum.vocalpy.org/t/vak-0-8-0-tweetynet-0-9-0-released-vak-1-0-in-development/53 "2023-02-16T16:58:10Z")
Hi all! Just a heads up we released vak version 0.8.0 last week. The main feature this adds is the ability to run eval + learncurve with and without post-processing transforms that clean up the model output before con… --- ## [Solving "ValueError: Could not find subsets of sufficient duration in less than 5000 iterations."](https://forum.vocalpy.org/t/solving-valueerror-could-not-find-subsets-of-sufficient-duration-in-less-than-5000-iterations/52)
**Author:** [@mizuki](https://forum.vocalpy.org/u/mizuki)\ **Replies:** 9\ **Last updated:** [December 28, 2022, 5:36pm UTC](https://forum.vocalpy.org/t/solving-valueerror-could-not-find-subsets-of-sufficient-duration-in-less-than-5000-iterations/52 "2022-12-28T17:36:02Z")
Hi, I recently getting ValueError: Could not find subsets of sufficient duration in less than 5000 iterations. I tried to solve this by increasing the max\_iter in bruteforce function in bruteforce.py up to 20000 but I … --- ## [What happens when 'train\_dur' \< (total duration of files prepared for training)?](https://forum.vocalpy.org/t/what-happens-when-train-dur-total-duration-of-files-prepared-for-training/50)
**Author:** [@mizuki](https://forum.vocalpy.org/u/mizuki)\ **Replies:** 9\ **Last updated:** [December 14, 2022, 10:13pm UTC](https://forum.vocalpy.org/t/what-happens-when-train-dur-total-duration-of-files-prepared-for-training/50 "2022-12-14T22:13:51Z")
Hi,it’s been a while since we last talked. I recently noticed that I might have had misusage of some parameters, train\_dur, val\_dur and test\_dur. I was setting much shorter values than total duration of prepared data to… --- ## [Vak prep crashes because of package version requirement](https://forum.vocalpy.org/t/vak-prep-crashes-because-of-package-version-requirement/49)
**Author:** [@yardenc](https://forum.vocalpy.org/u/yardenc)\ **Replies:** 7\ **Last updated:** [December 5, 2022, 2:34am UTC](https://forum.vocalpy.org/t/vak-prep-crashes-because-of-package-version-requirement/49 "2022-12-05T02:34:17Z")
I created a new environment in a machine that served many successful runs with vak and tweetynet. This time I got an error when running vak prep on the tutorial data. I tried creating the environment in two ways: con… --- ## [Vak version 0.7.0 released!](https://forum.vocalpy.org/t/vak-version-0-7-0-released/51)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [December 5, 2022, 2:33am UTC](https://forum.vocalpy.org/t/vak-version-0-7-0-released/51 "2022-12-05T02:33:51Z")
Hi all, just letting everyone know we released vak version 0.7.0. :star\_struck: vak · PyPI :star\_struck: The release notes are here: Release 0.7.0 · vocalpy/vak · GitHub Highlights include: vak can now match audio… --- ## [Setting up dev environment for vak](https://forum.vocalpy.org/t/setting-up-dev-environment-for-vak/48)
**Author:** [@Itamar.F](https://forum.vocalpy.org/u/Itamar.F)\ **Replies:** 3\ **Last updated:** [November 19, 2022, 8:31pm UTC](https://forum.vocalpy.org/t/setting-up-dev-environment-for-vak/48 "2022-11-19T20:31:30Z")
Hello all :slight\_smile: I’m trying to set a development environment with vak (for some fiddling and learning) and having trouble setting it up using conda. I would appreciate any help! I’ve cloned the repository, inst… --- ## [Crowsetta version 4.0.0 released!](https://forum.vocalpy.org/t/crowsetta-version-4-0-0-released/33)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [June 25, 2022, 5:02pm UTC](https://forum.vocalpy.org/t/crowsetta-version-4-0-0-released/33 "2022-06-25T17:02:38Z")
Hi all, A new version of crowsetta is released, 4.0.0. High level: the new version helps take a big step towards an app that can work with many different formats for annotating I hope it’s also just useful in gener… --- ## [Vak version 0.5.0 released!](https://forum.vocalpy.org/t/vak-version-0-5-0-released/35)
**Author:** [@nicholdav](https://forum.vocalpy.org/u/nicholdav)\ **Replies:** 0\ **Last updated:** [June 30, 2022, 2:49am UTC](https://forum.vocalpy.org/t/vak-version-0-5-0-released/35 "2022-06-30T02:49:59Z")
Hi all, Just a heads up that vak version 0.5.0 is released: You should be able to pip install or get it through the conda-forge channel now. Big addition here is the ability to continue training models, contributed b… [Next page](https://forum.vocalpy.org/latest.md?page=1)