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Iv.","email":"dfcreative@gmail.com"},"license":"MIT","homepage":"https://github.com/audiojs/spectral#readme","keywords":["audio","dsp","spectral","mfcc","mel"],"repository":{"type":"git","url":"git+https://github.com/audiojs/spectral.git","directory":"packages/spectral-mfcc"},"description":"MFCC — mel-frequency cepstral coefficients (FFT → mel triangles → log → DCT-II)","maintainers":[{"name":"jamen","email":"jamenmarz@gmail.com"},{"name":"dfcreative","email":"df.creative@gmail.com"},{"name":"dy","email":"df.creative@gmail.com"}],"readme":"# @audio/spectral-mfcc\n\n> MFCC — mel-frequency cepstral coefficients: FFT → mel filterbank (triangular, Davis & Mermelstein 1980) → log → DCT-II.\n\n`npm install @audio/spectral-mfcc`\n\n```js\nimport mfcc from '@audio/spectral-mfcc'\n\nlet coeffs = mfcc(frame, { fs: 44100 })   // Float32Array(13), frame.length a power of 2\n```\n\nOptions: - `fs` — sample rate (default 44100, Hz) · `bins` — number of cepstral coefficients returned (default 13) · `nMel` — mel filterbank size (default 40) · `fmin` — filterbank low edge (default 0, Hz) · `fmax` — filterbank high edge (default `fs / 2`, Hz)\n\nPart of [@audio/spectral](https://github.com/audiojs/spectral).\n","readmeFilename":"README.md"}