Voice & Audio

Shanhai by Unisound is a Chinese AI platform from speech-tech specialist Unisound, offering voice synthesis, speech recognition, and conversational AI services.

AI audio infrastructure for voice products and developers

Local Whisper-powered transcription app that captures speech from microphone, running apps, and audio/video files in real time.

DAISYS is a speech synthesis platform producing human-indistinguishable AI voices using proprietary machine learning models.

Vidnoz AI is a free online platform for creating AI-generated videos using 1,900+ avatars, 2,800+ templates, and a full AI voice toolkit.

Real-time generative audio tool for music, SFX, and TTS, running on edge hardware.

Lyrebird Health is an AI medical scribe for Australian clinicians that auto-generates clinical notes, letters, and documents from consultations.

Notta is an AI transcription service supporting 58 languages that converts audio, video, and live meetings to searchable text with auto-summaries.

AIDrama turns written story ideas into multi-scene short drama and anime videos using AI models like Kling and Seedance 2.0.

Daily AI-generated Chinese-language podcast that auto-summarises top Hacker News articles using Gemini and MiniMax TTS.

Free Gradio-based web UI for running 30+ open-source TTS and music generation models including Bark, MusicGen, and Tortoise locally.

AI video generator for creating videos with avatars, voiceovers, and visuals.

AI model comparison service for text, image, voice, and video APIs.

Replicate is an AI tool that allows developers to run open-source machine learning models with a cloud API.

Voice-to-text AI for effortless dictation in every app.

Rev AI provides a speech-to-text API with async and streaming endpoints, topic extraction, sentiment analysis, and language identification for developers.

Speech-to-text transcription service that converts uploaded audio or video files into time-coded, editable transcripts via pay-as-you-go pricing.

Free online AI tool that converts uploaded vocals into 100+ instrument sounds including piano, guitar, violin, and saxophone.

iOS and Mac text-to-speech app that reads PDFs, ebooks, and web pages aloud using 200+ AI voices, fully offline.

AI text-to-speech platform for personal listening, voiceover creation, and education, used by over 10 million people globally.

AI text reader with 200+ voices in 50+ languages for web, documents, and apps.

Nuance (now Microsoft) provides enterprise speech recognition and AI solutions for productivity workflows and healthcare providers.

B2B voice synthesis company providing embeddable TTS and custom voice solutions for developers and enterprises across industries.

Modulate is a voice AI company offering deepfake detection API for developers.

Replica Studios has permanently shut down as of 2025; its AI voice platform for creative projects is no longer available.

B2B voice technology provider offering speech/singing synthesis, voice transformation, and audio APIs for games, apps, and media.

Text-to-speech engine for enterprise, creating custom brand voices.

Free, open-source AI music generator that creates full songs with lyrics from a text description in minutes.

Automated online audio mastering service that uses AI to match your tracks to commercial loudness and dynamic range standards.

Experimental AI music project using raw audio neural networks to generate death metal and extreme music genres via 24/7 livestreams.