Digital Signal Processing

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2 domain-specific abstractions whose origin domain is Digital Signal Processing.

• Adaptive differential pulse-code modulation — A predictive audio coding method that quantizes sample differences while adapting the quantizer scale to recent signal behavior.
• Discrete wavelet transform — Decompose a sampled signal into multiscale approximation and detail coefficients through paired analysis filters and decimation, with reconstruction governed by the chosen wavelet filter bank and boundary convention.