How to edit audio in a web project?

Question

JavaScript

Help me find an audio editor/library for the Web project.
JS, Flash - it doesn't matter.
Of the tasks:
1. "Gluing" audio recordings.
2. Recording from a microphone.
3. Voice synthesizer (optional).
Are there any?
Thank you.

Answer 1

There is WebRTC, there is Audio API, there is canvas for visualization, there is asm.js for developing decoders. For example: https://github.com/muaz-khan/WebRTC-Experiment/tre...