Today marks version 3.1 of the audio time-stretching and pitch-shifting library Rubber Band. This release focuses primarily on performance improvements. In version 3.0 we introduced a totally new, higher-quality processing engine, which I'll refer to as the R3 engine. The older one is still included, and I'll call that R2. Although the output of R3… Continue reading Performance improvements in Rubber Band Library
Category: Programs for Music
Rubber Band Library: a thrilling new release
Rubber Band is a software library I wrote a while ago for changing audio recordings, typically of music, by altering their speed or pitch independently of one another — often known as time-stretching and pitch-shifting. There's a new release out, version 3.0, and I think it's terrific and sounds great and I'm very proud of… Continue reading Rubber Band Library: a thrilling new release
Note on “Explorations in Time-Frequency Analysis” by Patrick Flandrin
Patrick Flandrin is a physicist and signal-processing researcher whose name I first encountered as co-author (with François Auger) of a 1995 IEEE Transactions on Signal Processing paper called "Improving the Readability of Time-Frequency and Time-Scale Representations by the Reassignment Method". This crunchy publication (21 pages, dozens of equations and figures) took a pleasing idea —… Continue reading Note on “Explorations in Time-Frequency Analysis” by Patrick Flandrin
MIREX 2019 submissions
For the 2019 edition of MIREX, the Music Information Retrieval Evaluation eXchange, we at the Centre for Digital Music once again submitted a set of Vamp audio analysis plugins for evaluation. This is the seventh year in a row in which we've done so, and the fourth in which no completely new plugin has been… Continue reading MIREX 2019 submissions
MIREX 2018 submissions
The 2018 edition of MIREX, the Music Information Retrieval Evaluation eXchange, was the sixth in a row for which we at the Centre for Digital Music submitted a set of Vamp audio analysis plugins for evaluation. For the third year in a row, the set of plugins we submitted was entirely unchanged — these are… Continue reading MIREX 2018 submissions
Sonic Visualiser v3.2
Another release of Sonic Visualiser is out. This one, version 3.2, has some significant visible changes, in contrast to version 3.1 which was more behind-the-scenes. The theme of this release could be said to be "oversampling" or "interpolation". Waveform interpolation Ever since the Early Days, the waveform layer in Sonic Visualiser has had one major… Continue reading Sonic Visualiser v3.2