Rick and Morty Voice Changer: Rick & Morty Voices

A good rick and morty voice changer splits into two very distinct challenges: Rick Sanchez’s voice is low, raspy, and gravelly with an almost contemptuous drawl, while Morty’s is higher-pitched, nervous, and prone to cracking mid-sentence. They sit on opposite ends of the vocal register. Getting either voice convincing in real time requires more than a single pitch-shift slider — you need independent formant control, the right EQ curve, and ideally some understanding of what actually makes each voice sound like itself. This guide covers both in full, including settings, software options, AI voice cloning, and how to get either voice running live in Discord, games, and streams.

TL;DR

Rick’s voice needs −2 to −3 semitones pitch shift, independent formant drop of −1 to −2 semitones, light saturation around 800 Hz, and a low-mid boost.
Morty’s voice needs +1 to +2 semitones pitch up, formant shift up 1 semitone, tremolo instability at 4–6 Hz, and a presence boost around 3–4 kHz.
Generic pitch-shift-only tools miss both characters because they don’t separate pitch from formant.
AI voice cloning via AI voice cloning gets you much closer than DSP alone — VoxBooster supports AI voice conversion .pth models natively with no extra setup.
The no-kernel-driver design means no anti-cheat conflicts and no per-session UAC prompts.
Setup takes under 10 minutes with a free trial — both character voices can run simultaneously on different hotkeys.

What Is a Rick and Morty Voice Changer?

A rick and morty voice changer is software that processes your microphone input in real time, reshaping your vocal characteristics to approximate either Rick Sanchez’s or Morty Smith’s voice as heard in Rick and Morty, the animated science fiction series created by Justin Roiland and Dan Harmon. The show has aired since 2013 and built a large audience among gamers, streamers, and online communities — exactly the contexts where voice changers get used most.

Both characters are voiced by the same person, but they sit far apart acoustically: Rick is lower, rougher, and authoritative; Morty is lighter, more anxious, and expressively unstable. That difference means no single preset works for both — you need separate configurations tuned to each character’s frequency profile.

The Acoustic Anatomy of Rick Sanchez’s Voice

Rick Sanchez’s voice is the harder of the two to reproduce because its character comes from texture, not just pitch. The key components:

Pitch: Rick reads as a low-to-mid baritone. The fundamental frequency sits roughly in the 100–130 Hz range during normal speech. Most male speakers land naturally around 110–130 Hz, so the shift needed is modest — typically −2 to −3 semitones.

Formants: This is the critical part that basic tools miss. Formants are the resonant frequencies of the vocal tract, independent of pitch. Rick’s voice sounds physically larger than the person speaking it — that quality comes from downward formant shift, not pitch alone. Targeting F1 around 650 Hz and F2 around 1050 Hz produces the deep chest resonance.

Texture: The raspy, gravelly quality is primarily a low-frequency saturation effect. A gentle harmonic exciter or saturation applied at 700–900 Hz adds grit without distorting consonants into noise.

Burps and interjections: The show’s famous mid-sentence burps are a performance choice, not a processing layer. You do that yourself or trigger a soundboard sample. Don’t try to automate it with audio effects — it sounds wrong.

The Acoustic Anatomy of Morty Smith’s Voice

Morty’s voice is defined by its instability rather than its frequency alone. The components:

Pitch: Higher than average male speech — roughly +1 to +2 semitones from a typical male register, landing in the 150–180 Hz range. If you’re already a tenor, a minimal shift or none at all may be enough.

Formants: Shift upward +1 semitone independently to produce the narrower vocal tract quality — less chest resonance, more nasal-mid presence.

Instability/cracking: The defining nervous-teen quality is pitch instability and micro-variations in volume. A slow tremolo effect at 4–6 Hz with 10–15% depth approximates this without you having to manually crack your voice every sentence.

Presence: A boost around 3–4 kHz adds the forward, slightly anxious quality — Morty’s voice cuts through even under stress, which is why it reads as nervous rather than weak.

Why Generic Pitch Shift Misses Both Characters

When most people try a rick and morty voice generator using a basic pitch slider, the results are disappointing. Here’s why:

Pitch shift and formant shift are two different operations. When you drop pitch by 3 semitones in a naive implementation, both the fundamental frequency and the formants move together. The result sounds like your voice slowed down on a tape machine — recognizably still you, just lower. It doesn’t sound like Rick because Rick’s voice shape is different from yours, not just his pitch.

True character voice conversion requires:

Separating the pitch control from the formant control so you can move each independently.
Optionally, applying AI-based voice conversion that maps your entire vocal profile to the target voice at the phoneme level.

Tools like Voicemod, Voice.ai, and MorphVOX vary significantly in how much independent formant control they expose. For the Rick and Morty voices specifically, formant independence is essential — without it, you are getting 40–50% of the effect at best.

How to Sound Like Rick Sanchez: Step-by-Step Settings

Follow these steps in a voice changer that supports independent pitch and formant control, such as VoxBooster or MorphVOX Pro:

Set pitch shift to −2 semitones. This is the baseline. If your natural voice is already deep, −1 semitone may be sufficient. Avoid going below −3 semitones — it starts sounding like an exaggerated monster voice rather than Rick.
Set formant shift to −1.5 semitones independently. This is the variable that makes the voice sound physically larger. It operates separately from pitch. Most basic tools don’t expose this; check that your software labels it “formant” or “vocal tract” rather than just offering a single “voice” slider.
Enable formant correction at 40–50%. If your tool has this, it counteracts the artificial “tape speed” artifact and keeps consonants sounding natural even after the formant shift.
Add saturation or harmonic exciter at 700–900 Hz, 20–30% wet. This is the raspy/gravelly texture. Keep it subtle — full saturation sounds like a broken speaker, not a gravel-voiced genius.
Apply EQ: boost 120–200 Hz by 2–3 dB, cut above 8 kHz. The low-mid boost adds chest weight. Cutting the high-end removes the “desktop microphone air” quality and makes the voice feel more lived-in.
Monitor your output. Headphones are better than speakers here — you want to hear exactly what the processed output sounds like without acoustic bleed back to your mic.

How to Sound Like Morty Smith: Step-by-Step Settings

Set pitch shift to +1 to +2 semitones. The goal is not to sound like a chipmunk — push gently. If you’re a bass or baritone, +2 semitones lands closer to Morty. If you’re already a tenor, +1 semitone or even 0 with formant adjustment may be right.
Set formant shift to +1 semitone independently. This narrows the apparent vocal tract, producing the thinner, younger-sounding resonance profile.
Enable formant correction at 60–70%. Higher formant correction here keeps speech intelligible; without it, sibilants (s, sh, f sounds) become harsh and artificial at positive formant shifts.
Add a tremolo effect: rate 4–6 Hz, depth 10–15%. This is the nervous instability that defines Morty’s vocal character. Too fast (above 7 Hz) sounds like vibrato; too slow (below 3 Hz) sounds like a wobble effect. The 4–6 Hz range mimics the natural pitch variance of anxious speech.
Boost 3–4 kHz by 2 dB. The presence bump adds forward energy to the voice without making it shrill.
Bind a soundboard sample for “Oh geez” or similar interjections if you want the comedy effect on demand. Morty’s vocal tics are partly about the delivery, not just the voice shape.

AI Voice Cloning: The AI voice cloning Approach

For results that go beyond DSP processing — actually sounding like the character rather than a filtered version of yourself — AI voice conversion via AI voice cloning (AI voice conversion, second generation) is the current state of the art for locally-run models.

AI voice cloning works by training a neural model on audio samples of the target voice, then using that model to convert your real-time voice input at the phoneme level. Instead of applying a mathematical transform to your signal, the model outputs speech that shares the timbre and resonance profile of the training data. The result handles phoneme-specific texture — Rick’s guttural consonants, Morty’s cracking vowels — in ways that formant-based DSP cannot.

VoxBooster supports AI voice cloning .pth model files natively. The import workflow is:

Download a Rick Sanchez or Morty Smith AI voice model file. Community repositories host pre-trained models in .pth format — filter for AI voice cloning and check download counts as a rough quality indicator.
Open VoxBooster, navigate to Voice Models → Import Custom Model, and point it at the .pth file. An optional .index file (if available) improves timbre accuracy.
Set pitch offset: −2 semitones for Rick, +1 to +2 semitones for Morty.
Set index influence to 0.65–0.75 for natural-sounding conversion. Higher values track the model more tightly but can introduce artifacts on unusual phonemes.
Choose Low-Latency mode (~250 ms on a mid-range GPU) for live use, or Standard mode for recording.

The AI voice cloning workflow takes about 10 minutes to set up on first use. Once the model is loaded, it runs continuously without manual adjustment.

Tool Comparison: Rick and Morty Voice Changer Options

Tool	Rick Preset	Morty Preset	Formant Control	AI Voice Cloning Support	Real-Time	No Kernel Driver
VoxBooster	Via custom model + DSP	Via custom model + DSP	Yes (independent)	Yes (native)	Yes	Yes
MorphVOX Pro	Closest: “Deep Alien”	Closest: “Teenager”	Yes (DSP)	No	Yes	No
Voice.ai	Community presets available	Community presets available	Limited	No	Yes	No
Voicemod	Character presets (vary)	Character presets (vary)	Limited	No	Yes	Yes
Clownfish	Basic pitch shift only	Basic pitch shift only	No	No	Yes	No

VoxBooster’s advantages here: independent formant control built into the DSP chain, native AI voice model loading, and no kernel driver — which means no compatibility conflicts with anti-cheat software in games. MorphVOX Pro is a solid alternative for DSP-only use. Voicemod covers casual use with presets but doesn’t expose the formant independence needed for accurate character reproduction.

Real-Time Setup for Discord, Streaming, and Gaming

Getting the voice changer running in your apps is straightforward with tools that use WASAPI audio injection rather than a virtual audio cable. Here’s how each environment works:

Discord: Leave your real microphone selected in Discord’s Voice & Video settings. VoxBooster processes the audio transparently and injects the output into the same device stream. No device switching required. The processed Rick or Morty voice goes to everyone in the call.

Streaming (OBS/Streamlabs): Point your mic source at your physical microphone as normal. The voice changer processes in the background and the stream receives the processed audio. You can monitor the raw input in headphones to stay aware of your actual spoken performance.

Gaming: In-game voice chat typically uses whichever microphone Windows marks as the default. VoxBooster handles injection at that level, so no per-game configuration is needed. It works without kernel driver installation, which means no conflicts with anti-cheat systems in titles that block driver-level software.

For a detailed walk-through of audio routing in multi-app setups, the real-time voice changer guide covers routing logic and common configuration issues.

Use Cases: What People Actually Do With This

Streaming content: Running a Rick Sanchez voice during a gaming stream — particularly in survival, base-building, or puzzle games where Rick’s cynical commentary tone fits — makes for memorable content. Consistently maintaining the voice is the challenge; AI voice cloning handles it without vocal fatigue on your end.

Discord roleplay and group calls: The classic application. Either character voice works in ongoing group calls; Rick’s voice holds up well over time because it doesn’t require high-pitched strain. Morty’s cracking effect gets more laughs in reaction moments than as a sustained voice.

Short-form video and content creation: The funny voice changer use case is well-established in short-form video. A Rick voice-over on a tutorial or reaction clip can be recorded in a single take using the voice changer running over your mic — no ADR, no post-processing required.

Tabletop RPG sessions: Dedicated players use voice changers for sustained character voices in online sessions. Rick Sanchez’s cadence is different enough from a typical NPC voice that it’s a distinct character color even in small doses.

TTS content: For pre-recorded content where you don’t need real-time interactivity, feeding synthesized speech through the voice changer with effects chain lets you generate character voice-overs at scale.

Frequently Asked Questions

Can I get a Rick and Morty voice changer for free? Partially. Clownfish and MorphVOX Junior let you approximate the voices using pitch shift alone at no cost. For the raspy, gravelly texture of Rick or the nervous cracking quality of Morty, you need independent formant control — available in VoxBooster’s free trial — or an AI voice model loaded into compatible software.

What’s the rick sanchez voice changer setting for pitch? Drop pitch 2–3 semitones and shift formants down 1–2 semitones independently. Add light saturation at around 800 Hz to recreate the gravelly edge. Set formant correction to 40–50% so the voice sounds larger, not just lower-pitched. Adjust by ±1 semitone depending on your natural register.

How do I get Morty’s nervous cracking voice effect? Set pitch 1–2 semitones up with formant correction at 60–70%. Add a subtle tremolo or pitch instability at around 4–6 Hz, roughly 10–15% depth. This recreates the wavering quality without constant manual effort. A light presence boost around 3–4 kHz completes the character tone.

Does the rick and morty voice changer work in Discord and games? Yes. Tools using WASAPI injection like VoxBooster work transparently — keep your real mic selected in Discord or your game, and the processed voice flows through automatically. No virtual audio cable setup required. It works with any app that uses your Windows microphone.

Do I need a powerful PC to run a real-time Rick voice changer? For DSP-only effects — pitch shift, formant, EQ — any Windows 10/11 machine from 2018 onward handles it without issue. For AI-based AI voice cloning that fully captures Rick’s timbre, an NVIDIA GTX 1060 or better is the comfortable floor for sub-300ms latency. CPU-only setups work with push-to-talk.

What is a rick and morty voice ai and how does it differ from a voice changer? A rick and morty voice ai uses machine learning to map your voice to a trained target at the phoneme level, reproducing specific resonance and timbre — not just applying mathematical transforms. A standard voice changer uses DSP pitch and formant shifting, which is faster to set up and less demanding on hardware, but less accurate to the character’s actual vocal profile.

Is it legal to use Rick or Morty’s voice for streaming or YouTube? Using a character voice for fan content, commentary, parody, and personal entertainment is generally accepted under fair use principles. Avoid monetizing the voice in ways that directly compete with or impersonate the official IP, and label content clearly as fan-made. Commercial use — ads, products for sale, official-seeming content — requires clearing rights with Adult Swim / Warner Bros. Discovery.

Conclusion

Both Rick and Morty voices are achievable in real time with the right tool configuration — the key is treating pitch and formant as separate variables. Rick needs the downward formant shift and saturation texture; Morty needs the upward shift and instability effect. Generic one-slider pitch tools miss both characters for the same reason: they don’t separate the two controls. For the DSP route, independent formant control is the minimum requirement. For the closest possible match to the actual characters, AI voice cloning voice models loaded into software that supports them close the remaining gap.

VoxBooster supports both approaches in one application — DSP pitch and formant chains with all the parameters described above, native AI voice model import, an integrated soundboard for character sound effects, and WASAPI injection that works in Discord, streaming software, and games without kernel driver installation. The free trial at the pricing page includes the full feature set. Download it, load the settings above, and you can have either voice running in under 10 minutes.