Experiments Articles

High Precision in Frequency Domain

Modern electronic house and techno music is highly repetitive. I am not saying that it is, therefore, boring. I am a big fan of certain styles myself! What I am saying is that patterns are being repeated over and over, and it is the variation of the patterns over time … Cover

Stereo Sound Autoencoder

I’ve decided to test a small (not very deep) autoencoder on the audio data. It has two convolutional layers, with convolutions of size 4 and strides of 2, with ReLU nonlinearities. This results in 1/4 frame rate of the original audio. The corresponding deconvolutions are then applied. The … Cover

LDA vs Document Clustering

I was asked at the interview what’s the difference between LDA and document clustering. I tried to explain it by explaining the difference between generative models that are assumed for the respective models. However, now I realise it would have been much more effective to give a much simpler … Cover

Topic Keywords Case Study

I present a case study on a corpus of 10,000 news articles. We will investigate the topic structure of the corpus, by gradually “freezing” the topics through specifying their keywords, and seeing what other topics come up. The process shows how you can extract useful topics from your corpus …