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Claude
0d284fea9e
- Catalog: 3.3 MB zipformer keyword-spotting model (kws-en). - shared/keywords: BPE encoding of wake phrases (SentencePiece table for common words, greedy longest-match fallback over the model vocabulary) and keywords file builder. - Worker: KeywordSpotter stream fed with 16-bit PCM, detections pushed as unsolicited messages; engine derives the keywords file, maps sensitivity to threshold/score, forwards detections to the renderer and re-arms after a worker restart. - Renderer: WakeListener keeps one microphone stream, batches 256 ms frames to the spotter and captures the command on the same stream after detection (pre-roll, VAD), then resumes spotting; the wake word also interrupts speech. Settings: wake mode (off / always-on / transcript filter), keyword, sensitivity, status and one-click model download; HUD caption shows the active keyword. - Validated: detection in the worker (fork) and through the real Electron IPC path on Kokoro audio, no false positive on an English recording; 23 unit tests. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017Wn5VX9HNbJ7N54hR24u9Y
26 lines
1.2 KiB
TypeScript
26 lines
1.2 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import { buildKeywordsFile, encodeKeyword, normalizeKeyword, parseTokens } from '../shared/keywords';
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const vocab = parseTokens(['<blk> 0', '▁ 3', '▁JA 4', 'R 5', 'VI 6', 'S 7', '▁HE 8', 'Y 9', '▁NO 10', 'V 11', 'A 12', '▁MA 13', 'X 14', '▁T 15', 'ON 16', 'Y 17'].join('\n'));
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describe('keywords', () => {
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it('normalises accents, case and punctuation', () => {
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expect(normalizeKeyword(' Hé, Jarvis ! ')).toBe('HE JARVIS');
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});
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it('uses the known SentencePiece encodings', () => {
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expect(encodeKeyword('jarvis', vocab)).toBe('▁JA R VI S');
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expect(encodeKeyword('Hey Jarvis', vocab)).toBe('▁HE Y ▁JA R VI S');
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});
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it('falls back to greedy longest match', () => {
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expect(encodeKeyword('max', vocab)).toBe('▁MA X');
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expect(encodeKeyword('tony', vocab)).toBe('▁T ON Y');
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expect(encodeKeyword('zzz', vocab)).toBeNull();
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});
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it('builds a keywords file with labels', () => {
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const file = buildKeywordsFile(['jarvis', 'hey jarvis', 'zzz'], vocab);
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expect(file.content).toBe('▁JA R VI S @jarvis\n▁HE Y ▁JA R VI S @hey_jarvis\n');
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expect(file.accepted).toEqual(['jarvis', 'hey_jarvis']);
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expect(file.rejected).toEqual(['zzz']);
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});
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});
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