v1.1.2

dspx

1.1.1

Patch Changes

• 3afc644 Thanks @A-KGeorge! - added tests, modified docs,

1.1.0

Minor Changes

• c6ec14a Thanks @A-KGeorge! - added mfcc, melspectrogram, and stft (all chainable)

1.0.1

Patch Changes

• Fixed parks-mcclellan example file
• Updated licensing documentation (FFTPACK public domain, Eigen MPL-2.0)

1.0.0

Major Changes

• First stable release! 🎉
• Parallel FFT batch processing with thread pool and LRU caching
• Comprehensive DSP pipeline with 40+ processing stages
• Native C++ acceleration with SIMD optimizations (AVX2, NEON)
• Redis-backed state persistence for distributed processing
• TypeScript/JavaScript API with full type safety
• Cross-platform support: Windows, macOS (x64/ARM64), Linux

Features Included

• Filters: FIR, IIR, Notch, Bandpass, Highpass, Lowpass, Bessel, Butterworth, Chebyshev
• FFT: Forward/inverse FFT with batch processing and caching (100x speedup for repeated signals)
• Time-Series: Irregular timestamp support, interpolation, resampling
• Matrix Analysis: Covariance, eigendecomposition, whitening
• Spatial Filters: Beamforming, CSP (Common Spatial Patterns), channel selection
• Advanced: Wavelet transforms, Hilbert envelope, adaptive filters (LMS, NLMS, RLS)
• Utilities: Moving average, variance, rectification, peak detection, envelope detection

1.0.0-alpha.18

Major Changes

• 653a144 Thanks @A-KGeorge! - added fft batch and cached it

0.2.0-alpha.17

Minor Changes

• 546583f Thanks @A-KGeorge! - added core from eigen to .npmignore

0.2.0-alpha.16

Minor Changes

• af68940 Thanks @A-KGeorge! - added filters, optimized fir

0.2.0-alpha.15

Patch Changes

• d066be6 Thanks @A-KGeorge! - added disclaimer for arm processors

0.2.0-alpha.14

Patch Changes

• 46ea7ca Thanks @A-KGeorge! - pixel build 3

0.2.0-alpha.13

Patch Changes

• be82251 Thanks @A-KGeorge! - optimization for neon

0.2.0-alpha.12

Patch Changes

• e72da53 Thanks @A-KGeorge! - optimized neon

0.2.0-alpha.11

Minor Changes

• fd0518d Thanks @A-KGeorge! - Add prebuild for linux-arm64

0.2.0-alpha.10

Minor Changes

• 08a1f50 Thanks @A-KGeorge! - fixed performance for convolution, add differential filter/linear regression/dot product for ts, optimized for arm neon as well

0.2.0-alpha.9

Minor Changes

• 63c3b35 Thanks @A-KGeorge! - optimized fft, fir, and iir

0.2.0-alpha.8

Minor Changes

• 893cb30 Thanks @A-KGeorge! - Added circuit breaker for backend logging

0.2.0-alpha.7

Minor Changes

• baf4d07 Thanks @A-KGeorge! - Used SimdOps with FFT properly

0.2.0-alpha.6

Patch Changes

• f475db4 Thanks @A-KGeorge! - import path fix 1

0.2.0-alpha.5

Patch Changes

• 5213143 Thanks @A-KGeorge! - fixed imports

0.2.0-alpha.4

Patch Changes

• 99fa2c8 Thanks @A-KGeorge! - fixed imports

0.2.0-alpha.3

Patch Changes

• 0d0fd27 Thanks @A-KGeorge! - fixed import paths

0.2.0-alpha.2

Patch Changes

• 399cd77 Thanks @A-KGeorge! - included extensions in index.ts

0.2.0-alpha.1

Patch Changes

• f77670f Thanks @A-KGeorge! - Included files