feat(google-genai): add Gemini Text-to-Speech (TTS) implementation #5132
+2,429 −2
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
This commit adds comprehensive Text-to-Speech support for Google GenAI (Gemini) with the following components: ## API Client Layer - GeminiTtsApi: Low-level REST client for Gemini TTS API - Support for single-speaker and multi-speaker (conversational) TTS - PCM audio format (s16le, 24kHz, mono) - Request/response POJOs with Jackson annotations - Convenience factory methods for simpler API usage ## Model Layer - GeminiTtsModel: Spring AI TextToSpeechModel implementation - GeminiTtsOptions: Builder-based configuration with runtime overrides - Support for 30+ voices across 24+ languages - Prompt-based style control (accent, pace, delivery) ## Spring Boot Integration - Auto-configuration with properties binding - Dedicated starter: spring-ai-starter-model-google-genai-tts - Configuration prefix: spring.ai.google.genai.tts - Conditional bean creation based on spring.ai.model.audio.speech property Signed-off-by: Alexandros Pappas <apappascs@gmail.com>
apappascs force-pushed the feature/google-genai-tts branch from f5abaa9 to b716b59 Compare 
Contributor Author
| cc: @ddobrin |
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit. This suggestion is invalid because no changes were made to the code. Suggestions cannot be applied while the pull request is closed. Suggestions cannot be applied while viewing a subset of changes. Only one suggestion per line can be applied in a batch. Add this suggestion to a batch that can be applied as a single commit. Applying suggestions on deleted lines is not supported. You must change the existing code in this line in order to create a valid suggestion. Outdated suggestions cannot be applied. This suggestion has been applied or marked resolved. Suggestions cannot be applied from pending reviews. Suggestions cannot be applied on multi-line comments. Suggestions cannot be applied while the pull request is queued to merge. Suggestion cannot be applied right now. Please check back later.
This commit adds Text-to-Speech support for Google GenAI (Gemini) with the following components:
API Client Layer
Model Layer
Spring Boot Integration
Thank you for taking time to contribute this pull request!
You might have already read the contributor guide, but as a reminder, please make sure to:
git commit -s) per the DCOmainbranch and squash your commitsFor more details, please check the contributor guide.
Thank you upfront!