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Real‑time voice changers struggle to balance low latency + high quality with simple setup. Beginners often stall at mic/OS routing, while advanced users churn if fine‑grained control is missing.
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Immediacy — cut install→setup→use time to under 1 minute
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Stable live quality — minimize clipping, audible latency, and noise issues
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Scalable exploration — navigate and save from 100+ voices/effects
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Friendly interoperability — smooth flows with Discord/OBS/games
Product Goals
The Challenge
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Onboarding breakdown — mic input/gain, monitoring, and virtual routing are confusing.
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Voice selection friction — choosing from 100+ voices by name alone is hard; live preview/switching must be instant.
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Fragmented live control — pitch/formant/dry‑wet/effects live across separate UI contexts, causing heavy context switching.
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Credit/license ambiguity — users confuse free credits, paid plans, and Perpetual (owned) voices.
Problem Statements
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One screen · one task: onboarding guides users through calibration → routing → first voice, as a single flow.
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Sound‑first feedback: every control offers instant preview, A/B toggle, and Undo.
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Control proximity: keep core controls (Pitch/Formant/Dry–Wet) anchored near the voice card.
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Lightweight metaphors: “character card,” “saved preset,” and “favorites” to lower exploration cost.
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Safety & responsibility: clear disclosures for broadcast/calls, anti‑abuse guidance, and a one‑click ‘back to my voice’ action.
Solution Strategy
1) Onboarding Calibration
Mic check: auto‑detect input device/sample rate; guide to the gain sweet spot (level meter color cues).
Monitoring & echo prevention: headphone detection tips; auto‑mute with red alert on feedback.
Routing presets: one‑click output profiles for Discord/OBS/games (+ OS settings hand‑offs).
First success: end of onboarding leads directly to the voice card grid for immediate conversion.
2) Voice Card Library
Grid · tags · search: genre/mood/gender/character tags plus keyword search.
Hover preview & instant apply: no‑lag application for real immediacy.
Presets & favorites: save/share frequently used voice+control combos.
Portfolio‑ready visuals: standardized card thumbnails, tones, and contrast rules.
3) Live Controls (Low‑Latency Mode)
Fixed core controls: Pitch / Formant / Dry–Wet / FX Amount anchored beside the active card.
Snapping & safe ranges: recommended ranges per voice (safe‑zone highlights).
Keybindings: quick voice swap, mute, monitoring toggle.
4) Mic / Audio Routing Guide
Issue detection banner: no input/clipping/sample‑rate mismatch flagged in a top banner.
Test call: play/record a test to verify paths without leaving the app.
Compat checklists: per‑app steps for Discord/OBS/games (output device, mode, monitoring).
5) Credit & Plan Visibility
Header badges: always‑visible remaining credits & plan (Free/Starter/Pro/Perpetual).
Plan compare modal: concise icon/tooltips explaining free credits, pro voices, and Perpetual ownership.
Key Design Deliverables
