AutoChart.eu

Product Introduction

1. Definition: AutoChart.eu is a web-based, AI-powered music charting service. It falls under the technical categories of audio processing, machine learning automation, and rhythm game content creation.
2. Core Value Proposition: It exists to automate the complex, time-consuming process of creating playable song charts for rhythm games like YARG and Clone Hero. Its primary value is providing instant, AI-generated, multi-instrument charts from any user-uploaded audio file, eliminating the need for manual charting expertise or specialized hardware.

Main Features

1. AI-Powered Multi-Instrument Charting: The core engine uses a proprietary AI model trained to transcribe music. It analyzes an uploaded MP3 or FLAC file and automatically generates note charts for five distinct instruments: lead guitar, bass guitar, drums (including pro cymbals and double kick pedals), and vocals with word-timed lyrics. Each chart includes difficulty levels from Easy to Expert.
2. Stem Separation & Dynamic Mixing: A key technical feature is the service's ability to perform source separation. It creates isolated audio stems for each instrument (guitar, bass, drums, vocals). These stems are integrated into the final song package so that during gameplay, missing a note causes that specific instrument's audio to drop out, mirroring the experience of official Guitar Hero and Rock Band titles.
3. No-Install, Cloud-Based Processing: The entire workflow is browser-based. Users upload a file, and all heavy AI processing (audio analysis, stem separation, chart generation) occurs on AutoChart.eu's servers. This removes the barrier of requiring a powerful local GPU or installing complex charting software like Moonscraper or EOF.

Problems Solved

1. Pain Point: The extreme time investment and specialized skill required to manually chart songs for rhythm games. Manual charting involves precise note-by-note placement, syncing to audio, and creating multiple difficulty levels—a process that can take hours per song.
2. Target Audience: The primary user personas are rhythm game enthusiasts and community content creators who lack the time or technical skill to chart manually, as well as players seeking instant access to charts for their personal music libraries.
3. Use Cases: Essential for players who want to quickly build a custom library of charts for parties or personal play. It's also invaluable for content creators who wish to prototype a chart or produce content for obscure songs not available in community repositories like Chorus.

Unique Advantages

1. Strengths & Limitations (Pros & Cons):
   • Pros: Unmatched speed and accessibility; first-song-free model with no credit card required; generates a complete, game-ready folder with all instruments and stems; no technical setup for the user.
   • Cons: AI-generated charts may lack the nuanced "feel" and intentional design of a expertly hand-charted song, potentially missing genre-specific techniques or optimal note placement for playability. Quality is dependent on the AI model's training and the clarity of the source audio.
2. Key Alternatives & Differentiation:
   • Manual Charting (Moonscraper/EOF): The traditional method. It's free but requires significant expertise and time. AutoChart.eu differentiates by offering instant, automated results for non-experts.
   • Other AI Tools (e.g., ChartGPT): Some emerging alternatives exist. AutoChart.eu's key differentiators are its integrated, high-quality stem separation for dynamic audio and its direct output of complete YARG/Clone Hero folders, not just MIDI files.
   • Community Charts (Chorus): A vast free library of user-made charts. AutoChart.eu solves the problem for songs not available there, offering a paid, on-demand creation service where the user owns the source file.

Frequently Asked Questions (FAQ)

1. How accurate are AutoChart.eu's AI-generated charts? Accuracy is high for clear audio tracks with distinct instrumentation, providing a fully playable chart. However, complex mixes, excessive distortion, or live recordings may reduce note detection precision, requiring minor manual tweaks in an editor for perfection.
2. What audio formats does AutoChart.eu support for upload? The service currently supports uploading common lossy and lossless audio formats, specifically MP3 and FLAC files, which cover the vast majority of users' digital music libraries.
3. Can I edit the charts generated by AutoChart.eu? Yes, the output is standard chart files (.chart or .midi) and audio stems compatible with official editors like Moonscraper. Users can download the package and fine-tune any part of the AI-generated chart to their preference.
4. How does the pricing for AutoChart.eu work? AutoChart.eu operates on a credit system. The first song conversion is free with no payment required. After that, charts are purchased with credits, starting at approximately €1 per song, and these purchased credits never expire.
5. Does AutoChart.eu work for games other than YARG and Clone Hero? The primary output is optimized for the popular PC rhythm games YARG (Yet Another Rhythm Game) and Clone Hero. The generated MIDI files may be adaptable to other games, but compatibility is not guaranteed.