Speechbase

Speechbase: Universal Text-to-Speech Gateway & Voice Management

Speechbase is a comprehensive production stack for AI audio, providing a single, universal API to connect applications to over 15 text-to-speech providers. The platform equips AI teams with the essential tools for generative audio, including speech routing, observability, pronunciation control, and voice management, ensuring seamless end-to-end audio orchestration.

Key Features

• Universal Speech Gateway: Connects applications to multiple TTS providers like OpenAI, ElevenLabs, and Google through a single API.
• Centralized Voice Management: Allows users to save voices once, reference them globally by alias, and reuse them across different providers and models.
• Multispeaker Dialogue Generation: Creates conversations between multiple voices from different providers, automatically stitching audio and normalizing volume levels.
• Universal Word-Level Timestamps: Delivers consistent word-level start and end times for every synthesis, with support for SRT or WebVTT captions.
• Comprehensive Observability: Consolidates request logs, latency metrics, character counts, and error details across all providers into one dashboard.
• Pronunciation Dictionaries: Applies centralized rulesets to ensure names, brands, and acronyms are pronounced correctly across every provider.
• Content Moderation: Enforces brand-safety guardrails, blocked-term lists, and policy profiles before audio is generated.
• Open Source SDK: Offers an Apache 2.0 licensed SDK with features like default streaming, auto-chunking for long inputs, and automatic retries.

Use Cases

• Developing conversational AI agents and interactive voice response (IVR) systems
• Producing long-form audio content such as podcasts and audiobooks
• Creating dynamic voice user interfaces (UX) and digital avatars

Getting Started

• Website: https://www.speechbase.ai/
• Start for Free: Begin with 10 million free characters a month without requiring a credit card.
• Documentation: Access the open-source SDK and API reference to integrate the platform into your application.

Speechbase empowers developers to build and scale AI audio applications faster by abstracting the complexities of multiple TTS providers into a single, reliable, and observable production stack.