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179 packages found
Analyse signals with fourier / wavelets
A minimalistic twelve-tone equal temperament libray for Javascript
A small fretboard utility library for Javascript. It helps you manipulate pitches on a fretboard.
A simple, customizable, and reusable component for providing the recurrence functionality.
A frequency meter for React.js based on Web Audio Api
just like setInterval but based on frequency not period
koa middleware for limit request by ip with redis or memory
Small Library which return milliseconds of avarage update frequency in rss feed
A fast and performant *Least Frequently Used* (LFU) sorted set implementation for working with reasonably sized integers (unsigned). Trades memory for performance, optimised for frequently updating and counting a relatively small set of integers (integer
Stream-based stream summary implementation
Estimate top K items in data stream using the SpaceSaver algorithm. Backed by Redis.
Stream-based count-mean-min sketch
Windows Beep Function
This package calculates percentiles given a frequency distribution. Other npm percentile packages assume you have raw unaggregated data points.
koa middleware for limit request by ip with redis or memory
[Deprecated] Performs mathematical aggregations on an array of numbers
- Itential
- IAP
- artifacts
- jst
- transformation
- GroupBy
- group
- sql
- mathematics
- maths
- sum
- product
- maximum
- minimum
- View more
calculate Hertz frequency from audio buffer
Calculate how many documents contain a certain term, within a list (`Array`) of text documents.