The latest articles on Forem by Vijaykumar (@vjkr). https://forem.com/vjkr https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F441095%2Fbd394903-7248-4969-8adf-744a282218d4.png https://forem.com/vjkr en Vijaykumar Wed, 12 Aug 2020 11:40:05 +0000 https://forem.com/vjkr/fun-audio-processing-using-python-on-colab-5ffi https://forem.com/vjkr/fun-audio-processing-using-python-on-colab-5ffi <p>This is a part of the code i used for "Simple Disco Jockey" lightning talk in EuroPython 2020. </p> <p>The code uses a Python package- <a href="https://pypi.org/project/librosa/">Librosa</a></p> <h4> The Google Colab Notebook <a href="https://colab.research.google.com/drive/1is-uPUrVuYn5Scyl5oL7w2J02y914q1m?usp=sharing">here</a> can be run online. You can create a copy for yourself and work on any music. I have tested for .mp3 and .wav files. </h4> <h6> If music files are missing. Sign in and upload any music files using folder button on the left pane. Click on run/play symbol sequentially from first to last. </h6> <p>In the below image</p> <ul> <li>1. Sample music file</li> <li>2. File with slower tempo</li> <li>3. File with faster tempo</li> <li>4. File with clicks added <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--JT1ArZa3--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/wpqy6hbs64rhmwvjl0lh.PNG" alt="Alt Text1"> </li> </ul> <h4> <em>Let us party! A song!</em> </h4> <p>In the below image</p> <ul> <li>1. Song</li> <li>2. Song with clicks <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--XufzpuDg--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/l6cvuuy1ao12ndsx4dk2.PNG" alt="Alt Text2"> </li> </ul> <p><em><strong>Thanks!</strong></em></p> python beginners Vijaykumar Sun, 26 Jul 2020 19:46:14 +0000 https://forem.com/vjkr/story-of-first-git-pr-there-will-be-a-knight-375o https://forem.com/vjkr/story-of-first-git-pr-there-will-be-a-knight-375o <h4> <em>Summary for shorter read</em> </h4> <h5> *Someone has to push you for you to put your first pull request. </h5> <h5> *Open Source Community will provide u your personal KNIGHT. You have to ask for it. </h5> <p><a href="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Fb5h5z7bej0o864n5w5o0.jpg" class="article-body-image-wrapper"><img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Fb5h5z7bej0o864n5w5o0.jpg" alt="Lias"></a><a href="https://dev.to/laisbsc">@Lais Carvalho</a> <a href="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Fje6qammy22d0bm8ns9dt.jpeg" class="article-body-image-wrapper"><img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Fje6qammy22d0bm8ns9dt.jpeg" alt="Yetunde"></a> <a href="https://dev.to/yetudada">@Yetunde Dada</a></p> <h3> <em>Longer version below(Grab a coffee)</em> </h3> <p>This is my experience from <a href="https://ep2020.europython.eu/" rel="noopener noreferrer">EuroPython</a> Online Sprint 2020! The Sprint I took reluctantly! <a href="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Fuplj57aoq3le5uf49nfq.png" class="article-body-image-wrapper"><img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Fuplj57aoq3le5uf49nfq.png" alt="Alt Text"></a> <br> I am from an electronics background. Had a github account from many years. Put a github.io page <a href="https://vjkr.github.io/" rel="noopener noreferrer">here</a>. But never took any part of GitHub seriously. Reason..</p> <h4> <em>Github pages frightened me.</em> </h4> <h5> They were like a terminal with white background and every word looking like a command!! </h5> <p>Well. I took a part in <a href="https://github.com/quantumblacklabs/kedro" rel="noopener noreferrer">Kedro</a> sprint. There appeared Lais Carvalho who was kind enough to type 3 paragraph answer for my '2 lines question and a sad smiley'. She directed to this amazing <a href="https://slides.com/cheukting_ho/1st_pr" rel="noopener noreferrer">First PR slideshow</a> by Cheuk Ho. Also asking me to complete asap! I was like okay... Now I have to work. I declared Lais as my KNIGHT!!!</p> <p>Lais and Yetunde(PM of Kedro) guided me in every single step. </p> <h4> I was also given special customized "beginner"-"easy"-"documentation" issues with work with. </h4> <h4> All I had to do was delete text inside a square bracket.:) </h4> <p>And then the long wait to get your PR merged to master! Voila!! My first contribution. Yetunde(rightly addressed as Queen by Lais) bestowed upon me contributor role on the <a href="https://github.com/quantumblacklabs/kedro/blob/master/RELEASE.md" rel="noopener noreferrer">Release</a> page. I assured Yetunde that I will be narrating about her whole life.. </p> <h4> "Yetudada made me merge my first PR - deleting of text" and this made me a contributor. DELETE YET CONTRIBUTE!! </h4> <p><a href="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Ffnmha1wflwhdx9mb0gpd.JPG" class="article-body-image-wrapper"><img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fi%2Ffnmha1wflwhdx9mb0gpd.JPG" alt="Alt Text"></a></p> <p>Thanks Lais and Yetunde for getting me my first open source contribution. Any one needing any basic assistance. Ping me! </p> beginners git