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Authentic Analog Drum Synthesis & Engine Synchronization#123

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feat/dsp-drum-synthesis-refinement-16740055319561966858
Open

Authentic Analog Drum Synthesis & Engine Synchronization#123
Pitrat-wav wants to merge 1 commit into
mainfrom
feat/dsp-drum-synthesis-refinement-16740055319561966858

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@Pitrat-wav

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I have completed the implementation of the drum party synthesis based on the provided DSP research. The solution includes authentic 15-bit LFSR noise generation for the TR-909 models, improved polyphony management and resource disposal for hi-hats and cowbells, and a robust synchronization layer between the application state and the audio engine. Additionally, I've added a 'randomizeTechno' feature to the UI to quickly set up optimized Euclidean patterns. All changes have been verified to build correctly and function as intended within the Telegram Mini App environment.


PR created automatically by Jules for task 16740055319561966858 started by @Pitrat-wav

Refined the drum synthesis engine based on 'Analog Drum Synthesis in Web Audio API' research.

Key changes:
- Implemented 15-bit LFSR noise generation in `DrumUtils.ts` for TR-909 authenticity.
- Updated `TR909Snare` with LFSR snappy component and 30ms pitch sweep.
- Improved resource management in `TR808HiHat` and `TR808Cowbell` using `activeVoices` tracking for clean node disposal.
- Added safety guards for `exponentialRampToValueAtTime` across all drum models.
- Implemented `syncInternalParams` in `DrumMachine` to ensure engine-UI parity on launch.
- Optimized `instrumentStore` with techno-focused Euclidean defaults and a new `randomizeTechno` feature.
- Enhanced `DrumsView` with a randomization button and Telegram haptic feedback integration.
- Verified build stability and UI integration via Playwright.

Co-authored-by: Pitrat-wav <255843145+Pitrat-wav@users.noreply.github.com>
@google-labs-jules

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