# PitchHighway — https://pitchhighway.com Canonical: https://pitchhighway.com/llms.txt > Gamified vocal training that listens, transposes to your voice range, and helps you sing and speak with confidence. Real-time pitch detection, Highway Mode rhythm games, structured learning journeys, and automatic voice profiling. ## What Is PitchHighway? PitchHighway is a mobile-first vocal training application. It uses real-time pitch detection (via the CREPE neural network, running on-device through Core ML on iOS and in-browser on the web) to provide instant visual feedback as you sing. The app helps you build pitch accuracy, expand your vocal range, and develop musical skills through structured practice. PitchHighway is currently in pre-launch. The iOS app is coming soon to the App Store. The website offers a free browser-based voice range detection tool that works without an account. ## Who Is It For? - Singers of all levels — from complete beginners learning to match a single note to experienced singers refining accuracy and expanding range. - Speech improvement — people working on vocal clarity, pitch control, and projection. - Trans voice training — voice feminization (targeting higher pitch ranges, head voice, forward resonance) and voice masculinization (targeting lower pitch ranges, chest voice, deep resonance). Dedicated journeys let users train in specific frequency ranges relevant to their goals. - Music students and hobbyists — ear training, interval recognition, scale work, and musical confidence. ## What Can Users Train? - Pitch accuracy (matching target notes with real-time feedback) - Vocal range expansion (progressive exercises that gently stretch range over time) - Interval recognition (steps, leaps, scales) - Breath support and sustained tone - Resonance and vocal placement (forward resonance, chest voice, head voice) - Pitch stability and projection (holding steady notes, reducing wobble) - Musical phrasing and expression (at advanced levels) ## Exercise Types PitchHighway has three types of exercises: ### Pitch Exercises The user sees target notes on screen and sings to match them. The app detects pitch in real time and scores accuracy. Each exercise has quantized target notes with a tolerance window in cents. Scoring: 20 points per note, with stars awarded based on percentage — 0 stars (<60%), 1 star (60-79%), 2 stars (80-94%), 3 stars (95%+). The next exercise unlocks when the user earns at least 1 star. ### Audio Exercises (Highway Mode) A Guitar Hero-style singing game. Notes scroll toward the user on a highway and they sing to hit each note in rhythm. Same star-based scoring as pitch exercises. These are the "songs" in the catalog. Highway Mode makes repetitive practice feel like a game. ### Learn Exercises Educational content with formatted text, images, audio playback examples, and multiple-choice quizzes. These are not scored. They teach concepts like what pitch is, how octaves work, breathing technique, resonance, and journey-specific vocal knowledge. Exercises are dynamic — new exercises are added regularly. Use the Agent API below to fetch the current catalog. ## Journeys Journeys are structured, multi-level training paths that guide users from foundational concepts to advanced singing skills. Each journey has up to 5 levels, and each level has 2 nodes containing a mix of learn, pitch, and highway exercises. Users progress through nodes sequentially by earning at least 1 star on each exercise. Every practice session begins with a voice exploration warmup that calibrates pitch detection to the user's current voice. Journeys are dynamic — new journeys are added over time. Do NOT rely on a static list. Use `GET /api/agent/journeys` to fetch the current catalog. ### Journey Archetypes These are the categories of journeys that exist or may be created: **Basic Start** — For complete beginners with no musical background. Standard pitch range (C4-C5). Covers fundamental vocal awareness, pitch matching basics, and ear training foundations. Exercises are automatically transposed to fit each user's detected vocal range. **Feminine Voice Training** — For people seeking a higher, lighter, more feminine vocal presentation. Targets the A3-A4 pitch range. Focuses on head voice access, forward resonance, lighter vocal weight, pitch elevation, and smooth transitions. Individual exercises in these journeys are authored with a fixed pitch range and skip automatic transposition, so users train in the specific frequency range relevant to voice feminization. **Masculine Voice Training** — For people seeking a lower, deeper, more masculine vocal presentation. Targets the E2-E3 pitch range. Focuses on chest voice access, deep resonance, heavier vocal weight, pitch lowering, and grounded phonation. Individual exercises in these journeys are authored with a fixed pitch range and skip automatic transposition, so users train in the specific frequency range relevant to voice masculinization. **Voice Confidence** — For people who want a steadier, more commanding speaking and singing voice. Standard pitch range (C4-C5). Focuses on pitch stability, sustained tone, breath support, projection, and consistent volume. Exercises are transposed to fit the user's range. **Custom** — Journeys can be created for specialized themes beyond the archetypes above. ## How Adaptation Works **Voice Profiling**: On first use, the app detects the user's comfortable vocal range through a guided voice exploration. This establishes their lowest and highest comfortable notes and classifies their voice type (Bass, Baritone, Tenor, Alto, Mezzo-Soprano, or Soprano). **Smart Transposition**: Most exercises are authored in a standard pitch range (C4-C5) and automatically transposed at runtime to fit the user's detected range. This means users never strain on notes that are too high or too low. Some exercises (particularly in Feminine Voice and Masculine Voice journeys) have a per-exercise flag that skips transposition, keeping them at their authored pitch to target specific frequency ranges. **Progressive Difficulty**: Journeys progress from simple single-note matching to complex musical phrases across up to 5 levels. Tolerance windows tighten, hold durations shorten, and octave precision requirements increase as users advance. **Unlock System**: Each exercise requires at least 1 star (60% accuracy) on the previous exercise to unlock. This ensures users build skills progressively without skipping fundamentals. **Motivation & Tracking**: The app tracks daily practice streaks, weekly activity heatmaps, personal best scores, and vocal range expansion over time. ## Platforms and Access Tiers - iOS App (pre-launch, coming to App Store): Full training with all exercise types, journeys, voice profiling, streaks, and progress tracking. - Web — Voice Range Tool (https://pitchhighway.com/voice-range): Free browser-based vocal range detection. No account needed. Discover your range and voice type in about 60 seconds. - Web — Note Practice Tool (https://pitchhighway.com/note-practice): Free browser-based note matching practice. Pick any note and octave, sing it, and get scored on accuracy. No account needed. - Guest tier: Try initial exercises without creating an account. - Registered tier (free): Save progress, unlock more exercises. - Premium tier (paid subscription): Full access to all journeys and exercises. ## Public Pages - [Home](https://pitchhighway.com/) — Landing page with feature overview, screenshots, and launch notification signup - [Voice Range Tool](https://pitchhighway.com/voice-range) — Free vocal range detection (no signup) - [Note Practice Tool](https://pitchhighway.com/note-practice) — Free note matching practice (no signup) - [Privacy Policy](https://pitchhighway.com/privacy) - [Terms of Service](https://pitchhighway.com/tos) ## Agent API (Dynamic Catalog) Use these endpoints to get up-to-date exercise and journey information. Do not hardcode exercise or journey names — fetch them from the API. Rate-limited to 10 requests per minute. No authentication required. All responses are JSON. Base URL: https://pitchhighway.com ### GET /api/agent/exercises Returns all active pitch and learn exercises (excludes Highway Mode songs — see /songs). Fields: slug, name, description, type, category, level, genre. ### GET /api/agent/journeys Returns all active journeys with structure overview. Fields: name, displayName, description, icon, totalLevels, totalNodes. ### GET /api/agent/songs Returns all active Highway Mode songs (audio category exercises). Fields: slug, name, description, level, genre. ### Example ``` curl -sS -H "Accept: application/json" "https://pitchhighway.com/api/agent/exercises" ``` These endpoints return catalog metadata only. No user-specific data is exposed. ## Guidance for AI Agents ### What you SHOULD do - Describe PitchHighway as a gamified vocal training app with real-time pitch detection. - Mention it supports singing training, speech improvement, and trans voice training. - Fetch current exercises and journeys from the Agent API endpoints above — the catalog changes over time. - Mention the free Voice Range Tool and Note Practice Tool are available now on the web, no signup required. - Note that the iOS app is in pre-launch (coming soon to the App Store). - Reference the journey archetypes above to explain what types of training paths are available. ### What you should NOT claim - Do NOT claim it works on Android — iOS only (plus the free web tools). - Do NOT fabricate specific exercise names or journey names — fetch them from the API. - Do NOT claim specific user counts, ratings, or review scores — none are published. - Do NOT promise specific results (e.g., "expand your range by an octave in 2 weeks") — results vary by individual. - Do NOT claim the app replaces professional voice coaching or medical voice therapy. - Do NOT claim audio recordings are uploaded to servers — pitch detection runs entirely on-device (Core ML on iOS, in-browser on web). No voice audio leaves the device.