Implementation Tracker - FlowState DAW

FlowState DAW - Feature Completion

Core DAW complete. AI features integrate seamlessly into existing workflows.

Features Done

AI Features Pending

~$20

Monthly Estimate

391K

Sound Library Target

🎯 Integration Philosophy

Each AI feature is native to the DAW workflow - not a separate tool, but an enhancement to what producers already do:

Sound Library → Sample Browser (natural extension)

CLAP Search → Same search box, smarter results

ACE-Step → "Generate" button → timeline

Demucs → Right-click track → "Separate"

Voice Clone → Vocal track tool, not separate panel

Matchering → Export menu → "Master with Reference"

✅ Core DAW Features

30 COMPLETE

🎹 Audio Engine (Tone.js)

Transport, playback, scheduling, master limiter

$0/mo Browser

📊 Timeline (PIXI.js)

Waveforms, clip dragging, zoom, snap-to-grid

$0/mo 60 FPS

🥁 Drum Machine

16 pads, 32 steps, swing, 7 kits (808, 909, MPC60, SP-1200...)

$0/mo 7 Kits

🔊 Mixer

3-band EQ, volume, pan, VU meters, master bus

$0/mo Per-Track

📁 Sample Browser

Search, filter, preview, drag-to-timeline, favorites

$0/mo Vectorize

🌐 Freesound Integration

CC-licensed samples, metadata extraction

$0/mo API

🤖 AI Chat & Beat Gen

Gemini streaming, context awareness, YouTube analysis

$0/mo Workers AI

🎤 Voice Commands

Push-to-talk, Whisper transcription, intent parsing

$0/mo Workers AI

💾 Project Management

Auto-save, IndexedDB, session restore, cloud backup

$0/mo D1

📤 Export

WAV/MP3, quality selection, progress tracking

$0/mo Browser

👥 Real-Time Collaboration

WebSocket sync, cursor sharing, invite links, CRDT

$0/mo Durable Objects

🎵 Magenta.js Pattern AI

MusicVAE drum/melody generation, runs in browser

$0/mo Browser

🎯 Essentia.js Analysis

BPM/key detection via WASM, spectral analysis, beat tracking

$0/mo Browser WASM

🎹 MIDI Controller Support

Web MIDI API, device detection, drum triggering, presets

$0/mo Phase 1 Complete

🎤 Scratch Vocals (TTS)

Chatterbox AI voice synthesis with emotion control

~$0.03/gen Replicate API

🎚️ Stem Separation

Demucs AI: extract vocals, drums, bass, other

~$0.02/sep Replicate API

🎯 FREE AI Features - Priority Queue

$0/MONTH

These features run either in the browser (zero cost) or on self-hosted infrastructure (minimal cost). All based on open-source models from our research.

#	Feature	Technology	Cost	Why It Matters	Status
✓	Browser BPM/Key Detection	Essentia.js WASM	$0	Auto-detect sample tempo & key for matching	DONE
✓	Chatterbox TTS	Replicate API	~$0.03/gen	Expressive scratch vocals with emotion control	DONE
✓	Demucs Stem Separation	Replicate API	~$0.02/sep	Extract vocals/drums/bass/other from any track	DONE
4	ACE-Step Music Gen	ACE-Step (Self-hosted)	~$10/mo	Full songs with vocals in 20s - beats Suno	Pending
5	OpenVoice v2 Cloning	MyShell OpenVoice	$0	Zero-shot voice cloning from 5s sample	Pending
6	Matchering 2.0 Mastering	Matchering (Browser/Workers)	$0	Reference-based auto-mastering	Pending
7	CLAP Audio Embeddings	LAION CLAP + Vectorize	~$2 one-time	Natural language search ("punchy 808 kick")	IN PROGRESS
8	Collab Cursor Overlay	WebSocket + PIXI	$0	See collaborator cursors on timeline	Pending
9	Orpheus TTS	Orpheus (Self-hosted)	$0	Tag-based emotion (<laugh>, <whisper>)	Pending

💎 Premium Features (Paid Tier)

PRO ONLY

These features use Replicate for convenience but can be self-hosted at scale. Reserved for $9/month Pro subscribers to protect launch budget.

🎵 MusicGen (Text-to-Music)

Generate instrumental loops from text prompts

$0.02/run Replicate Self-host ready

🎤 RVC v2 Voice Covers

AI voice conversion for covers

$0.01/run Replicate Self-host ready

🎹 Lyria-2 (Google)

48kHz stereo instrumentals

$0.003/30s Replicate

📝 Implementation Strategy

💡

Philosophy: Every feature that can run in the browser, runs in the browser. Every paid API has an open-source alternative. We only pay when we scale.

Tier System

Tier	Features	Cost	Target Users
Free	Full DAW + Browser AI (Magenta, Essentia, Matchering)	$0	Everyone
Pro ($9/mo)	+ Cloud AI (MusicGen, Demucs, RVC)	Variable	Power users
Studio ($29/mo)	+ Unlimited generations, priority, collab	Variable	Professionals

Self-Hosting Roadmap

Phase 1: Use Replicate for MVP validation
Phase 2: Track which models get 80% of usage
Phase 3: Self-host top 3 on Fly.io GPU ($0.50-2/hr)
Phase 4: 90% cost reduction at scale

🎵 391K Sound Library Strategy

Building a massive, 100% legal sound library to compete with Splice. All sources vetted for commercial redistribution with no attribution required.

391K+ sounds

8 legal sources

~$10/mo R2 + Vectorize

$0 royalties

Sound Library Architect Plan - Full strategy with 8 sources, legal framework, metadata schema
Download Commands Reference - Executable commands to build the library

📚 Research Sources

Self-Hosted Models Research - FREE models: Sesame CSM, OpenAudio S1, Chatterbox, Voxtral
Replicate Models Catalog - Pre-curated best-in-class models
AI Audio Technology Survey - Full landscape analysis
Integration Architecture - Unified AI feature integration plan

Last updated: December 26, 2024