Bilibili Voice Changer & Soundboard

Transform your voice on Bilibili Live and trigger custom stream sounds for danmaku reactions, VTuber moments, and gaming broadcasts on B站.

Download Echo

AI Voice Conversion and Stream Sounds for Bilibili

Echo is a free Bilibili voice changer and soundboard for creators on 哔哩哔哩 / B站. Use AI voice conversion for a VTuber persona, anime-style character stream, anonymous gaming broadcast, or recurring creator voice, then use EchoDeck to trigger short custom sounds for danmaku reactions, scene changes, funny chat moments, and stream stingers. Bilibili has a strong anime, gaming, VTuber, and creator culture, so voice identity can be part of the stream format instead of just a microphone setting. Echo works as a standard audio input device in OBS Studio or compatible Bilibili streaming tools, and processing runs locally on your PC.

Quick Start

How to use with Bilibili

Step 1

Download & Install

Download Echo Live from the download page. Installation completes in under 60 seconds. No Bilibili plugin or account linking required.

Step 2

Configure in OBS or Bilibili Live Studio

Open your streaming software. Add an Audio Input Capture source and select "Echo" as the device. If using Bilibili Live Studio, select "Echo" in the microphone settings.

Step 3

Go Live

Select a voice model, assign any soundboard hotkeys, and click Start. Begin your Bilibili Live broadcast with a transformed voice and short reaction sounds ready for danmaku-heavy moments.

Features

Why Bilibili Streamers Choose Echo

VTuber Persona Immersion

Bilibili hosts one of the world's largest VTuber ecosystems. Echo provides natural-sounding AI voice conversion that sustains character immersion for entire streams — essential for B站's demanding VTuber audience.

Gaming Stream Enhancement

From gacha streams to team games, Bilibili gaming content thrives on personality. Use Echo to create memorable in-game personas, protect your natural voice, and add stream-safe reaction sounds for wins, fails, and chat jokes.

Danmaku Reaction Sounds

Trigger short stingers, meme reactions, applause, fail sounds, or character cues when comments start flying. Keep sounds short and properly licensed so they support the moment instead of taking over the stream.

Stream Sync Friendly

Built for live streaming workflows. Add Echo through OBS or Live Studio, then test voice, soundboard, music, game audio, and avatar or camera sync together before going live.

Voice Models

Voice Models for Bilibili Streaming

Echo supports any .pth voice model from the RVC community. Chinese-speaking AI voice communities are among the most active in the world, producing models for anime-style personas, natural creator voices, gaming characters, and experimental stream formats. Browse community models, or train your own custom model from a short audio recording. For Bilibili, build around a repeatable identity: one main VTuber voice, one relaxed talking voice, and a few soundboard cues for danmaku reactions, scene changes, or inside jokes your regular viewers recognize.

12+

Characters

Anime · Game · Film

Natural

Male · Female · Neutral

Effects

Robot · Demon · Radio

∞

Custom

Train your own .pth

Technology

How AI Voice Technology Works for Bilibili

Traditional voice changers use basic pitch shifting that can sound robotic in stream audio. Echo uses RVC voice conversion, an AI voice changer technology powered by deep learning neural networks. Instead of simply distorting your voice, the AI analyzes your speech and reconstructs it using a trained voice model. Your delivery, timing, and emotion are preserved while the voice identity changes. EchoDeck adds the live-production layer: custom sounds for comment reactions, game moments, stream transitions, and character cues, all triggered from the same creator audio setup.

Learn more about RVC ›

Bilibili Voice Changer and Soundboard Ideas

Use Echo for VTuber personas, gaming streams, anime-style characters, anonymous creator formats, karaoke or watch-party commentary, and short danmaku reaction bits. The best setup is usually consistent: pick one main persona voice, one comedy voice, one fallback natural voice for longer conversations, and a small soundboard of custom stingers that fit the channel.

Build a Full Bilibili Stream Setup

Add a Soundboard

Trigger danmaku reactions, stream stingers, character cues, or short custom sounds during chat-heavy moments.

Shape a VTuber Voice

Use the Audio Lab for lighter tone changes, radio texture, or polish before your streaming software receives the mic.

Use AI Voice Models

Import or train a voice model for a consistent Bilibili persona or anonymous stream format.

Match the Soundboard to B站 Culture

Bilibili streams can move fast when danmaku comments start reacting to a joke, boss fight, gacha pull, or VTuber moment. A good Bilibili soundboard should feel like part of the channel rather than a pile of random effects. Use short custom sounds for welcome moments, fan jokes, game wins, failed pulls, and character transitions. For VTuber streams, keep the main AI voice stable and let the soundboard handle quick reactions. For gaming streams, use game-inspired sounds and your own clips instead of implying you ship official copyrighted game audio.

Pro Tip

Test Bilibili Audio with the Full Scene

Check your converted voice together with background music, alerts, game audio, soundboard clips, and avatar or camera capture. If the voice sounds muddy, simplify the model or reduce other audio layers. If sync looks off, adjust your stream scene after testing a short recording. Use properly licensed sounds or your own clips for public streams.

Also works with

See all compatible apps ›

FAQ

Bilibili Voice Changer FAQ

Is Echo free for Bilibili streaming?

Yes, free to use with no restrictions. No Bilibili membership level required, no credit card, no trial limits. All voice models and DSP effects are included at no cost.

Does it work with Bilibili Live Studio?

Yes. Echo appears as a standard microphone device in your system. Select "Echo" in Bilibili Live Studio's microphone settings. It also works with OBS Studio and any other streaming software.

Can I use a soundboard on Bilibili Live?

Yes. Echo includes EchoDeck, a built-in soundboard for custom stingers, danmaku reactions, scene changes, and stream-safe meme sounds. Use your own clips or properly licensed sounds, then test levels before going live.

Is it good for VTuber content on Bilibili?

Yes. Echo provides natural-sounding, consistent voice conversion that sustains character immersion across entire broadcasts. Combined with Live2D or 3D avatar software, it delivers a complete VTuber persona experience.

Does it add latency to my stream?

Echo is built for live streaming, but full stream sync depends on your camera, capture setup, streaming software, filters, and hardware. Test a short recording first, then adjust offsets only if your setup needs them.

Is my voice data private?

Echo processes your voice locally on your PC instead of an Echo cloud service. Your streaming software and Bilibili still receive the converted audio for the live broadcast.

Ready to change your voice in Bilibili?

Download Echo and start using it with Bilibili in under 60 seconds. Completely free.