Altered Studio

Professional speech-to-speech AI voice changer and voice performance tool

Hand-reviewed by the Toolglade team·Updated Aug 2026

audio#voice-changer#speech-to-speech#voice-cloning#voice-acting

Free plan Free trial Claimed API Teams

Toolglade’s take

Altered Studio is a specialist voice-performance tool that preserves acting nuance better than basic voice changers, which matters for games and dubbing. Real-time low-latency morphing and cloning are genuine strengths. The free plan is quite limited and support can be slow, so evaluate carefully before committing. For voice actors and localization teams it is a distinct, professional-grade pick.

About Altered Studio

Altered Studio is a professional AI voice changer using speech-to-speech morphing to transform voices while preserving emotion, with real-time changing, cloning and accent conversion.

Altered Studio focuses on performance-driven voice transformation rather than plain text-to-speech. Its speech-to-speech morphing uses neural voice conversion to change vocal characteristics while preserving the nuance, emotion and timing of the original performance, which sets it apart from simple pitch shifters. The platform includes real-time voice changing with ultra-low latency for live streaming and gaming, voice cloning for custom character voices, and accent or language conversion for localization. It offers 14 speaking styles such as whispering, shouting, happy, sad and angry, and is engineered to be light on CPU so it does not bog down a machine. Altered is aimed at professional creators, voice actors, game studios and localization teams who need to act a line once and reshape it into many voices. It competes with Respeecher and other voice-conversion tools on performance fidelity.

TL;DR

Altered Studio is a professional AI voice changer using speech-to-speech morphing to reshape voices while preserving performance, with real-time changing and cloning.

Company overview

Altered (altered.ai) builds professional voice-performance AI centered on neural speech-to-speech conversion, serving media, gaming and localization. It competes with Respeecher and similar voice-conversion tools.

The company positions on performance fidelity, low latency and efficient resource use.

Product features

Features include speech-to-speech morphing, real-time voice changing, voice cloning, accent and language conversion, 14 speaking styles and API access, running efficiently on 1-4 CPU cores.

The focus is on preserving emotion and timing rather than generic voice effects.