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Mandarin audio and video lessons built around conversations.

Guidance on how to organize and improve Mandarin study.

Chinese graded reading with audio and contextual lookup.

Chinese courses from introductory pronunciation to advanced study.

Online AI vocal remover for songs

AI sound effect generator that turns text prompts into audio

Chinese lessons with speech recognition and character practice.

Chinese reading through graded news-based lessons.

Audio batch conversion with normalization and preview

Lossless audio compression with tagging and error checks

Batch audio conversion with folder, tag, and sound-processing controls

A specialist icon toolkit for audio software and plug-in interfaces.

AI audio tools for podcasting, audiobooks, ads, learning, and news.

Free audio conversion with cue splitting and folder retention

Online text to speech with 130 languages, 30+ voices and 200+ audio tags.

AI summarizer and repurposing tool for videos, podcasts, articles and documents

Microlearning app with daily audio insights from books and more in a voice you choose.

Audio infrastructure to record, transcribe and enrich audio through a single API.

Filter market headlines alongside live audio and economic calendars

A multimodal note workspace for handwriting, audio, documents, PDFs, and study materials.

Audio-linked notes with timestamped lines, searchable transcripts, and playback at the exact moment.

Handwritten study notes, PDF markup, audio capture, and AI-assisted review for students.

Audio and video tools for people and AI assistants

Audio conversion, disc extraction, and console workflows