SOOP Voice Changer & Soundboard

Transform your voice on SOOP and trigger custom stream sounds for BJ personas, Star Balloon moments, gaming, and anonymous broadcasts.

Download Echo

AI Voice Conversion and Stream Sounds for SOOP

Echo is a free SOOP voice changer and soundboard for creators on SOOP, formerly AfreecaTV. Use AI voice conversion for BJ personas, anonymous channels, gaming streams, character bits, or donation-reaction moments, then trigger short custom sounds for Star Balloon reactions, chat jokes, stream stingers, and scene changes. SOOP has a long-running BJ culture built around personality, viewer interaction, and live reactions. Echo works through OBS or SOOP's own Freecshot broadcasting software as a standard audio input source, and all processing runs locally on your PC.

Quick Start

How to use with SOOP

Step 1

Download & Install

Download Echo Live from the download page. Installation takes under 60 seconds. No SOOP extension or plugin required — Echo works independently at the system audio level.

Step 2

Configure in Freecshot or OBS

If using SOOP's Freecshot: go to audio settings and select "Echo" as your microphone. If using OBS: add an Audio Input Capture source and select "Echo" from the device list. Mute your original microphone source.

Step 3

Broadcast with a New Voice

Choose a voice model, assign any soundboard hotkeys, and click Start. Go live on SOOP with a transformed voice and reaction sounds ready for Star Balloon moments, chat jokes, and gaming clips.

Features

Why SOOP BJs Choose Echo

⭐

Star Balloon Reaction Ready

SOOP's Star Balloon culture rewards interactive streamers. Switch voice models or trigger short soundboard reactions when donations arrive — character voices, comedic stingers, applause, or dramatic persona shifts that keep the moment fun.

BJ Persona Building

SOOP's BJ culture thrives on distinctive personalities. Echo lets you create a signature voice identity — whether for anonymous broadcasting, character-driven content, or entertainment personas that set you apart from thousands of other BJs.

Custom Stream Sounds

Build a soundboard for chat reactions, fails, hype moments, intro stingers, and recurring community jokes. Use your own clips or properly licensed sounds so your public streams stay clean.

Built for Live Broadcasts

Real-time voice changing and hotkey-driven sounds for SOOP streams. Add Echo through OBS or Freecshot, then test your scene audio before going live.

Voice Models

Voice Models for SOOP Broadcasting

Echo supports any .pth voice model from the RVC community. SOOP streamers have pioneered creative voice content in Korea for over a decade. Browse community models for entertainment, privacy, character personas, or unique BJ branding. Train your own custom model from a short audio recording to create a signature voice identity. Then pair that voice with a tight soundboard: Star Balloon reactions, intro stingers, fail sounds, hype cues, and community jokes that viewers learn to expect.

12+

Characters

Anime · Game · Film

Natural

Male · Female · Neutral

Effects

Robot · Demon · Radio

∞

Custom

Train your own .pth

Technology

How AI Voice Technology Elevates SOOP Broadcasts

Cheap pitch-shifting voice changers produce obviously robotic audio that can break a stream persona quickly. Echo uses RVC voice conversion — an AI voice changer technology based on deep neural networks. The AI preserves your delivery, comedic timing, and emotional expression while changing who you sound like. For SOOP BJs building recurring characters or anonymous formats, voice consistency matters: the same model can help the character sound familiar from one broadcast to the next. EchoDeck adds custom sounds to the same workflow, so your reactions and stingers are controlled before Freecshot, OBS, or another encoder receives the final audio.

Learn more about RVC ›

SOOP Voice Changer and Soundboard Ideas

Use Echo for recurring BJ personas, anonymous broadcasts, gaming streams, donation-reaction bits, watch-party commentary, or character segments that appear at the same time every stream. The strongest setup is usually a small voice lineup plus a matching soundboard: one main persona, one comedy voice, one dramatic reaction voice, and a few sounds for Star Balloons, fails, hype moments, and transitions.

Build a Full SOOP Broadcast Setup

Add a Soundboard

Trigger Star Balloon reactions, chat sounds, character stingers, or short stream-safe clips during live segments.

Shape a BJ Persona

Use the Audio Lab to add polish, warmth, radio texture, or a masked tone before Freecshot or OBS receives your mic.

Use AI Voice Models

Import or train a voice model for a consistent SOOP persona or anonymous streaming format.

Use Sounds Like Part of the BJ Persona

On SOOP, the best audio bits feel connected to the BJ instead of pasted on top of the stream. Build a few sounds around your actual format: Star Balloon reactions, game wins, fails, chat jokes, character entrances, and transitions between segments. If you stream for hours, keep the main AI voice comfortable and save extreme voices for donation moments or special segments. If a sound becomes part of the community, keep it consistent. Viewers should hear it and instantly know what kind of moment just happened.

Pro Tip

Keep SOOP Audio Consistent

SOOP streams can run long, so consistency matters. Test your voice and soundboard before going live, keep one main voice for regular segments, and avoid stacking too many effects on top of an AI model. If you use Freecshot and OBS in different setups, confirm both are pointed at the Echo input and that clip volumes do not overpower your voice.

Also works with

See all compatible apps ›

FAQ

SOOP Voice Changer FAQ

Is Echo free for SOOP streaming?

Yes, free to use with all core features included. Full-time BJs and casual streamers alike get access to all AI voice models, DSP effects, and hotkey switching at no cost. No credit card, no trial limits.

Does it work with Freecshot?

Yes. Echo appears as a standard microphone in your system. In Freecshot's audio settings, select "Echo" as your input device. It also works with OBS Studio, Streamlabs, and Prism Live Studio.

Can I switch voices during Star Balloon reactions?

Yes. Bind voice models to keyboard hotkeys for instant switching. Many SOOP BJs use this for donation reaction content — switching to a character voice when Star Balloons arrive, then returning to their normal persona.

Can I use a soundboard on SOOP?

Yes. Echo includes EchoDeck for short custom sounds, Star Balloon reactions, chat stingers, and stream-safe meme clips. Use your own clips or properly licensed sounds, then test the full broadcast mix before going live.

Will viewers know I'm using a voice changer?

Quality RVC voice models can sound natural enough for stream personas and character segments. The result still depends on your model, mic, hardware, and broadcast audio mix.

Does it cause audio sync issues?

Echo is built for live streaming, but full sync depends on your camera, capture card, encoder, filters, and hardware. Test a short recording first, then use Freecshot or OBS sync settings only if your setup needs them.

Ready to change your voice in SOOP?

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