PaceCraft — AI Audio Workout Studio

Guided Audio Workouts

Choose a workout to edit in the studio or start running immediately with audio cues.

Workout Title

Duration & Details

INTERVAL TIMELINE (CLICK ANY BLOCK TO JUMP) ● Walk ● Run ● Core ● Cool-Down

ACTIVE AUDIO RUN

Foundation 30: Walk + Run + Core

-30:00

WALK

The Step Out (Intro & Walk Start)

Target: Easy Warm-Up Pace

"Press 'Start Run' to begin your session. The coach voice will guide you every 2 minutes with music transitions."

Next: [02:00] Posture & Arrival in 02:00

Runner Metronome / Audio Beat Generator (115 BPM)

Generate New Audio Workout

Create a custom guided walk, run, and core session with tailored interval frequencies and coaching tone.

Workout Title

Workout Category

Total Duration

Coach Cue Frequency

Coaching Style / Persona

Workout Goal / Special Focus (Optional)

Use Google Gemini API for generation (Requires Gemini API key in Settings) If unchecked, the built-in algorithmic sports-science generator will build the full transcript instantly.

Google Cloud TTS & Voice Engine

Configure Google Cloud Text-to-Speech API credentials, voice models, speaking rates, and preview audio.

Google Cloud API Key Your API key is saved locally in your browser’s localStorage. It is never sent anywhere except directly to Google Cloud TTS endpoints.

Coach Voice Model Journey voices offer state-of-the-art conversational realism and natural cadence, ideal for guided running audio.

Speaking Rate: 1.05x 1.05x provides a crisp, motivating tempo while maintaining clear articulation.

Pitch: 0.0 Default pitch is 0.0 semitones.

Enable Browser Speech Synthesis Fallback If no Google Cloud API key is entered, the app will play voice previews via your browser’s built-in speech engine so you can test immediately.

Optional: Google Gemini API Key Used only if you check "Use Google Gemini API" when generating custom workouts in the AI Generator tab.