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# @suaveplan/voice-elevenlabs - ElevenLabs domain adapter for @suaveplan/voice: TTS, STT, voice repository, sound effects, and voice isolation engines implemented by delegating to @suaveplan/third-party-elevenlabs.
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ElevenLabs domain adapter for the `@suaveplan/voice` interface family.
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This package implements every `@suaveplan/voice` engine contract —
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`VoiceSynthesizer`, `TranscriptionEngine`, `VoiceRepository`,
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`SoundEffectEngine`, `VoiceIsolationEngine` — by delegating to the typed
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HTTP/WebSocket transport in `@suaveplan/third-party-elevenlabs`. It owns
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DTO ↔ domain mapping, ElevenLabs-specific error remapping into the
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`VOICE.*` namespace, multipart/stream plumbing for the voice surface,
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and a composite factory that wires every engine against a shared
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transport.
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<!-- begin:auto-docs -->
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## Documentation tree
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- [factory](./src/factory/create-elevenlabs-voice.md) — Composition root for the `@suaveplan/voice` engine adapters that target ElevenLabs. One call, one shared transport, fiv…
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- [create-elevenlabs-voice](./src/factory/create-elevenlabs-voice.md) — Composition root for the `@suaveplan/voice` engine adapters that target ElevenLabs. One call, one shared transport, fiv…
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- [models](./src/models/models.md) — ElevenLabs model catalog. Lists every model the API key has access to, along with capability flags (TTS / voice convers…
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- [models](./src/models/models.md) — ElevenLabs model catalog. Lists every model the API key has access to, along with capability flags (TTS / voice convers…
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- [sound-effects](./src/sound-effects/sound-effects.md) — ElevenLabs implementation of `@suaveplan/voice`'s `SoundEffectEngine` interface. Posts a JSON body to `POST /v1/sound-g…
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- [sound-effects](./src/sound-effects/sound-effects.md) — ElevenLabs implementation of `@suaveplan/voice`'s `SoundEffectEngine` interface. Posts a JSON body to `POST /v1/sound-g…
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- [speech-to-speech](./src/speech-to-speech/speech-to-speech.md) — ElevenLabs Speech-to-Speech (voice conversion) adapter. Given source audio and a target `voiceId`, produces audio that…
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- [speech-to-speech](./src/speech-to-speech/speech-to-speech.md) — ElevenLabs Speech-to-Speech (voice conversion) adapter. Given source audio and a target `voiceId`, produces audio that…
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- [stt](./src/stt/stt.md) — ElevenLabs implementation of `@suaveplan/voice`'s `TranscriptionEngine` interface. Posts the audio as multipart form-da…
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- [stt](./src/stt/stt.md) — ElevenLabs implementation of `@suaveplan/voice`'s `TranscriptionEngine` interface. Posts the audio as multipart form-da…
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- [tts](./src/tts/tts.md) — ElevenLabs implementation of `@suaveplan/voice`'s `VoiceSynthesizer` interface. Posts to `/v1/text-to-speech/{voice_id}…
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- [tts](./src/tts/tts.md) — ElevenLabs implementation of `@suaveplan/voice`'s `VoiceSynthesizer` interface. Posts to `/v1/text-to-speech/{voice_id}…
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- [voice-isolation](./src/voice-isolation/voice-isolation.md) — ElevenLabs implementation of `@suaveplan/voice`'s `VoiceIsolationEngine` interface. Posts the audio as multipart form-d…
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- [voice-isolation](./src/voice-isolation/voice-isolation.md) — ElevenLabs implementation of `@suaveplan/voice`'s `VoiceIsolationEngine` interface. Posts the audio as multipart form-d…
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- [voices](./src/voices/voices.md) — ElevenLabs implementation of `@suaveplan/voice`'s `VoiceRepository` interface. Lists voices via `GET /v1/voices` and lo…
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- [voices](./src/voices/voices.md) — ElevenLabs implementation of `@suaveplan/voice`'s `VoiceRepository` interface. Lists voices via `GET /v1/voices` and lo…
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<!-- end:auto-docs -->
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## Install
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```sh
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bun add @suaveplan/voice-elevenlabs @suaveplan/voice
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```
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## Quick start
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```ts
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import { createElevenLabsVoice } from "@suaveplan/voice-elevenlabs";
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const { tts, voices } = createElevenLabsVoice({
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apiKey: process.env.ELEVENLABS_KEY!,
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});
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const all = await voices.list();
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const result = await tts.synthesize({
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text: "hello",
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voiceId: all.voices[0]!.id,
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});
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```
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## Modules
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| Subpath | Engine | `@suaveplan/voice` contract |
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| --- | --- | --- |
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| `./tts/tts` | `ElevenLabsVoiceSynthesizer` | `VoiceSynthesizer` |
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| `./stt/stt` | `ElevenLabsTranscriptionEngine` | `TranscriptionEngine` |
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| `./voices/voices` | `ElevenLabsVoiceRepository` | `VoiceRepository` |
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| `./sound-effects/sound-effects` | `ElevenLabsSoundEffectEngine` | `SoundEffectEngine` |
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| `./voice-isolation/voice-isolation` | `ElevenLabsVoiceIsolationEngine` | `VoiceIsolationEngine` |
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| `./factory/create-elevenlabs-voice` | `createElevenLabsVoice` | bundle factory |
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## Composing with other ElevenLabs surfaces
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The factory accepts a pre-constructed `ElevenLabsClient` from
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`@suaveplan/third-party-elevenlabs` so the same transport (with its
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retry, rate-limit, OTel, base URL, and event-bus configuration) can be
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shared with ElevenLabs-specific surfaces that are *not* part of the
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voice domain — for example the model catalogue or the
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speech-to-speech (voice-conversion) endpoint:
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```ts
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import {
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ElevenLabsClient,
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ElevenLabsModelCatalog,
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ElevenLabsSpeechToSpeech,
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} from "@suaveplan/third-party-elevenlabs";
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import { createElevenLabsVoice } from "@suaveplan/voice-elevenlabs";
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const client = new ElevenLabsClient({
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apiKey: process.env.ELEVENLABS_KEY!,
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baseUrl: "https://eu.api.elevenlabs.io",
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});
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const voice = createElevenLabsVoice({ client });
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const models = new ElevenLabsModelCatalog(client);
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const s2s = new ElevenLabsSpeechToSpeech(client);
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```
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## Error remapping
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Every `ElevenLabsApiError` subclass raised by the underlying transport
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is remapped into a `VoiceError` from `@suaveplan/voice`, preserving the
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original via `.cause`. The full table is documented inline at the call
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sites; a representative subset:
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| Third-party error | Voice domain error |
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| --- | --- |
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| `UnauthorizedError`, `ForbiddenError` | `ProviderNotConfiguredError` |
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| `RequestNotFoundError` (from `voices.get`) | resolves to `null` (no throw) |
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| `RequestValidationFailedError`, `RequestInvalidError` | `VoiceValidationError` |
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| `RateLimitExceededError`, `RateLimitQuotaExhaustedError` | `ProviderRateLimitedError` (with `retryAfterMs`) |
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| `ServerTransientError` / `ServerUnavailableError` (TTS) | `TtsSynthesisFailedError` |
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| `ServerTransientError` (STT) | `SttTranscriptionFailedError` |
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| `StreamInterruptedError` | `TtsStreamInterruptedError` |
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| `ResponseUnsupportedFormatError` | `AudioFormatUnsupportedError` |
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`voices.get(voiceId)` follows the `VoiceRepository` null-on-not-found
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contract: any upstream 404 is mapped to `null` rather than thrown.
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## Architecture
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```
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@suaveplan/voice abstract engine interfaces
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▲
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│ implements
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│
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@suaveplan/voice-elevenlabs domain adapter (this package)
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│
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│ delegates HTTP / WebSocket / multipart
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▼
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@suaveplan/third-party-elevenlabs typed transport, retry, OTel,
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rate-limit headers, raw DTOs
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```
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Future ElevenLabs surfaces (music, dubbing, conversational AI) compose
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against the same `@suaveplan/third-party-elevenlabs` client; they do not
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fan out from this package. This keeps each surface's domain-mapping
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concerns isolated.
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## Verification
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```sh
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bunx turbo lint typecheck test --filter=@suaveplan/voice-elevenlabs
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bunx turbo test:coverage --filter=@suaveplan/voice-elevenlabs
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```
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Coverage gate: 100/100/100/100 statements/branches/functions/lines.
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