If you are a retro audio enthusiast, chances are you still cherish or collect iconic Sony Walkman MP3/ATRAC players (such as the NW-E400, NW-E500, NW-A600, NW-HD5, Walkman Bean, and more).

However, the biggest hurdle to enjoying classic Walkmans today is that Sony SonicStage has long been discontinued, lacks compatibility with modern Windows 10/11, macOS, or Linux, and managing the proprietary OMGAUDIO database structure manually is nearly impossible.

Introducing JSymphonic v0.5.5 (Revival Edition) — the ultimate cross-platform, open-source solution designed to seamlessly sync and manage your music collection onto vintage Sony Walkman devices on modern operating systems!

✨ Key Features & Improvements in v0.5.5

🎨 Modern UI & Dark Mode (FlatLaf Integration)

Replaces outdated Swing look with modern Material / FlatLaf themes (Light, Dark, macOS, IntelliJ, Darcula).

🇻🇳 Full Vietnamese Localization

Comprehensive language pack for Vietnamese users alongside 13 other worldwide languages.

🖱️ Direct Drag & Drop Support

Drag music tracks (.mp3, .flac, .wav, .m4a, .ogg, .ape...) or whole folders directly from File Explorer / Finder into the transfer queue.

🔌 Automatic Walkman USB Detection

Automatically detects connected Walkman drives containing OMGAUDIO or ESYS directories upon insertion or launch.

🔤 Smart ID3 Tags & Mojibake / Font Glitch Fix

Automatically strips Vietnamese diacritics (Unaccent) and cleans metadata strings to prevent display artifacts (□□□) on monochrome OLED/LED screens.

Supports Shift-JIS encoding for Japanese Domestic Market (JDM) Walkman models.

🔊 Automatic Loudness Normalization (loudnorm) & Custom Bitrates

Integrated EBU R128 volume normalization filter ensures consistent sound level across all tracks.

Flexible bitrate options from 64 kbps up to 320 kbps.

🖼️ Cover Art Auto-Optimization (300x300)

Automatically resizes high-resolution album art down to an optimized 300x300 px JPEG, saving storage space and preventing sluggishness on legacy hardware.

🔑 Automated DvID.DAT Key Generator

Automatically generates the required 16-byte Sony DvID.DAT decryption key for Generation 3 Walkman models.

📑 Smart 1-Way Playlist Sync (.m3u/.m3u8)

Import playlists from Spotify, iTunes, Foobar2000, or MusicBee and let JSymphonic automatically analyze and sync new/removed tracks.

🎼 ATRAC3 Encoding & Gapless Playback

Native ATRAC3 (.oma) conversion support with continuous playback without pauses between tracks.

🚀 Getting Started

Requirements: Any computer with Java 8 or higher (JRE/JDK).

Single Standalone Executable: Packaged into a single all-in-one runnable JAR (~5 MB):

powershell

java -jar "JSymphonic-0.5.5.jar"

Hi-Res Audio Conversion: If ffmpeg is installed on your system or placed alongside the jar file, JSymphonic will automatically transcode FLAC/WAV/AAC files on the fly.

🤝 Credits & Support

Original Authors: Patrick Balleux, Nicolas Cardoso De Castro, Daniel Žalar, Brian Pipa.

Revival & Feature Modernization: La Chi Nhan - Hosi Prod & The JSymphonic Community.

Buy the developer a coffee (Donate): https://paypal.me/nkstudio

DOWNLOAD

Nếu bạn là một người đam mê âm thanh retro, chắc hẳn bạn vẫn còn lưu giữ hoặc đang sưu tầm những chiếc máy nghe nhạc Sony Walkman huyền thoại (như dòng NW-E400, NW-E500, NW-A600, NW-HD5, Walkman Bean...).

Tuy nhiên, rào cản lớn nhất khi chơi Walkman cổ ở thời điểm hiện tại là phần mềm chính chủ Sony SonicStage đã bị khai tử từ lâu, không tương thích với Windows 10/11, macOS hay Linux, và việc nạp nhạc vào thiết bị đòi hỏi cấu trúc cơ sở dữ liệu OMGAUDIO vô cùng phức tạp.

Hôm nay, mình xin giới thiệu phiên bản nâng cấp toàn diện: JSymphonic v0.5.5 (Revival Edition) — Giải pháp mã nguồn mở hoàn hảo giúp bạn quản lý và đồng bộ âm nhạc vào mọi đời máy Sony Walkman một cách mượt mà, tiện lợi trên mọi hệ điều hành hiện đại!

✨ Những điểm nâng cấp nổi bật trên JSymphonic v0.5.5

🎨 Giao diện Hiện đại & Hỗ trợ Dark Mode (FlatLaf)

Thay thế giao diện Swing cổ điển bằng phong cách Material/FlatLaf sang trọng.

Hỗ trợ chuyển đổi nhanh giữa Dark Mode, Light Mode, macOS Theme, IntelliJ... phù hợp với sở thích cá nhân.

🇻🇳 Hỗ trợ 100% Tiếng Việt

Tích hợp gói ngôn ngữ Tiếng Việt hoàn chỉnh cho toàn bộ giao diện và hướng dẫn sử dụng.

🖱️ Kéo & Thả Nhạc Trực tiếp (Drag & Drop)

Kéo thả trực tiếp file nhạc (.mp3, .flac, .wav, .m4a, .ogg, .ape...) hoặc toàn bộ thư mục từ File Explorer / Finder vào ứng dụng để đưa vào hàng đợi nạp nhạc tức thì.

🔌 Tự động Nhận diện Máy Walkman (Auto-Detection)

Khi cắm Walkman qua cổng USB, ứng dụng sẽ tự động quét và nhận diện ổ đĩa chứa thư mục OMGAUDIO hoặc ESYS mà không cần duyệt tìm thư mục thủ công.

🔤 Xử lý Tag Tiếng Việt không dấu & Chống lỗi Font

Tự động lọc bỏ dấu tiếng Việt (Unaccent) khi ghi vào bộ nhớ máy, khắc phục hoàn toàn hiện tượng hiển thị ô vuông (□□□) hoặc ký tự rác trên các màn hình LED/OLED Walkman cổ.

Tương thích hoàn hảo với bảng mã Shift-JIS cho các dòng máy nội địa Nhật (JDM).

🔊 Chuẩn hóa Âm lượng Tự động (loudnorm) & Tùy biến Bitrate

Tích hợp bộ lọc âm thanh chuẩn EBU R128 của FFmpeg giúp toàn bộ bài hát khi chép vào máy có mức âm lượng đồng đều, không còn tình trạng bài quá to, bài quá nhỏ.

Tùy chọn chất lượng chuyển đổi linh hoạt từ 64 kbps đến 320 kbps.

🖼️ Tối ưu hóa & Nén Ảnh bìa Album (300x300)

Tự động trích xuất và nén ảnh bìa chất lượng cao về chuẩn tối ưu 300x300 px, giúp tiết kiệm bộ nhớ và tránh hiện tượng treo máy trên các dòng Walkman đời cũ.

🔑 Tự động tạo Khóa giải mã DvID.DAT

Tự động tạo file khóa mã hóa Sony DvID.DAT cho các dòng máy thế hệ 3, giúp bạn nghe nhạc ngay mà không cần dùng công cụ CopyTool phức tạp.

📑 Đồng bộ 1 chiều Thông minh qua Playlist (.m3u/.m3u8)

Hỗ trợ đọc playlist xuất ra từ Spotify, iTunes, Foobar2000, MusicBee... và tự động đồng bộ danh sách bài hát vào máy Walkman chỉ với một cú nhấp chuột.

🎼 Hỗ trợ Mã hóa ATRAC3 & Phát nhạc Liền mạch (Gapless)

Chuyển đổi nhạc sang định dạng nguyên bản ATRAC3 (.oma) của Sony, mang lại trải nghiệm nghe nhạc liên tục không ngắt quãng (Gapless Playback).

🚀 Hướng dẫn Sử dụng Nhanh

Yêu cầu hệ thống: Máy tính có cài đặt Java Runtime (JRE 8 trở lên).

Đóng gói độc lập: Ứng dụng chỉ có duy nhất 1 file .jar (~5 MB), nhấp đúp là chạy ngay:

powershell

java -jar "JSymphonic-0.5.5.jar"

Chuyển mã định dạng cao (FLAC/WAV/AAC): Nếu máy tính đã cài đặt sẵn ffmpeg trong PATH hoặc đặt file ffmpeg.exe cùng thư mục với ứng dụng, JSymphonic sẽ tự động chuyển đổi định dạng âm thanh trong lúc truyền dữ liệu.

🤝 Đóng góp & Ủng hộ Dự án (Credits & Support)

Tác giả gốc: Patrick Balleux, Nicolas Cardoso De Castro, Daniel Žalar, Brian Pipa.

Đóng góp phát triển & Hiện đại hóa: La Chi Nhan - Hosi Prod & Cộng đồng JSymphonic.

Ủng hộ tách cà phê cho tác giả (Donate): 

Paypal: https://paypal.me/nkstudio

Momo: 0908107000

DOWNLOAD

 

If you are tired of hitting the message quota on Claude Pro or find local LLMs like Ollama too heavy for your machine, this is the ultimate workaround. Today, I’m sharing a guide on how to get unlimited, high-speed AI coding using Minimax M2.5 via OpenCode Zen.

Why Minimax M2.5?

While many developers stick to Claude Sonnet because Opus consumes quotas too quickly, Minimax M2.5 is a game-changer. It benchmarks at the Opus level, meaning it’s more than capable of handling complex refactoring, deep logic debugging, and large-scale projects without the "quota wall."

The Setup Guide (Mac, Linux & Windows)

Step 1: Get Your Free API Key

1. Visit opencode.ai and click on Zen.

2. Sign in and create an account (No credit card required).

3. Navigate to API Keys, create a new key named "Claude Code," and save it somewhere safe.

Step 2: Install the Essentials

• Claude Code CLI: Install the official CLI via Anthropic’s documentation.

• OpenCode CLI:

  • Windows: Open PowerShell as Admin and run npm install -g opencode-ai.

  • Mac/Linux: Use the installation command provided on the OpenCode website.

Step 3: Connect to the Model

Open your terminal and run:

1. opencode

2. Type /connect and select OpenCode Zen.

3. Paste your API key and select Minimax M2.5 Free.

Step 4: Configure Claude Code Redirection

To force the Claude Code CLI to use the Minimax model, you need to edit your settings.json file (found in the ~/.claude/ or C:\Users\YourUsername\.claude\ folder):

{
  "env": {
    "ANTHROPIC_BASE_URL": "https://opencode.ai/zen",
    "ANTHROPIC_MODEL": "minimax-m2.5-free",
    "ANTHROPIC_API_KEY": "YOUR_OPENCODE_KEY"
  }
}

Step 5: Run in VS Code or Antigravity

1. Install the Claude Code for VS Code extension by Anthropic.

2. Open your project, click the Claude icon, start a New Session, and type /model to select Minimax M2.5 Free.

---

Quick FAQ

• Is it truly free? Yes, as of [2026], the Minimax M2.5 model is available for free on OpenCode Zen.

• Does it require a GPU? No. Since it’s API-based, it runs lightning-fast on any laptop.

• Is it as good as Sonnet 3.5? Benchmarks suggest it performs at an Opus level, making it significantly more powerful than standard free-tier models.

Final Thoughts

This setup gives you the power of a Pro subscription for $0. It’s perfect for developers who need deep AI integration without the overhead of local hosting or monthly fees.

If this guide helped speed up your workflow, feel free to support my work by buying me a coffee! 

☕️ You can donate via my Ko-fi: 👉 https://ko-fi.com/lachinhan 

or Paypal 👉 https://paypal.me/nkstudio

 

Speed up your sample chopping, loop creation, and instrument design workflow! Auto Loop Detector is a powerful Lua script for REAPER that automatically scans your audio and MIDI items to find perfect loop points based on RMS energy or Peak transients.

Whether you are extracting drum breaks, slicing vocals, or building massive sample packs, this tool will save you hours of manual editing.

There are two versions available: the Standard Version (100% Free) and the PRO Version (Supporter Exclusive) packed with advanced sound design and export features.

🟢 STANDARD VERSION (Free)

A robust and precise tool for everyday editing and slicing.

Core Features:

• Dual Detection Modes: Choose between RMS (perfect for pads, vocals, and long textures) or Transient/Peak (ideal for drums and sharp percussion) with 2ms-5ms high precision.

• Smart Processing: Automatically split, trim, strip silence, and apply auto-fades to prevent clicks.

• Peak Normalization: Auto-scale volume to your target dB for consistent sample levels.

• Intelligent Naming & Coloring: Batch rename sections automatically and append project BPM and Key (e.g., Loop_1_120bpm_C#m). Match track colors or randomize them for easy visual organization.

• Workflow Integration: Built-in transport bar to seamlessly preview and navigate between detected loops without leaving the UI.

• Custom Presets: Save and load your favorite detection settings for different instruments.

DOWNLOAD

💎 PRO VERSION (Supporter Exclusive)

Take your sound design to the next level. The PRO version includes everything in the Standard version, plus powerful tools to instantly turn your slices into playable instruments and professional sample packs.

Exclusive PRO Features:

• Advanced Instrument Export: Automatically generate ready-to-play DecentSampler (.dspreset) and SFZ (.sfz) instrument patches right from your REAPER timeline.

• Auto-Velocity Mapping: Automatically measure the RMS of your slices and stack them into dynamic, multi-layered velocity zones on a single MIDI key.

• Slice to Sampler (Map to MIDI): Instantly map your chopped loops into REAPER's native ReaSamplomatic5000 (RS5k). It automatically creates a new track, loads the samples, and maps them chromatically starting from C4.

• Generate Variations: With one click, generate 5 creative variations of your selected loops on a new track: Reverse, Half-time, Double-time, Octave Up (+12), and Octave Down (-12).

• HTML Preview Generator: Automatically generates a sleek, interactive webpage (index.html) so you or your users can audition your newly exported sample pack in any browser.

• 🥚 Plus a fun, hidden Easter Egg for sound mangling!

DOWNLOAD

⚙️ Requirements & Installation

• Requires: REAPER v6.0+ and the ReaImGui extension (installable via ReaPack).

• To Install: Simply download the .lua file, open REAPER, go to Actions > Show action list > New action > Load ReaScript, and select the downloaded file.

❤️ How to get it:

• Standard Version: Just enter $0 to grab it for free! (Tips are always appreciated if you find it helpful).

• PRO Version: This version is a special thank you to my Ko‑fi supporters. Simply buy me a coffee (or become a monthly supporter) to unlock the PRO download link instantly!

Happy looping and producing!

Hello everyone! First and foremost, I want to send my deepest gratitude to all my Monthly Supporters. Your continued support is the massive driving force that allows me to keep pursuing my creative passion and developing new tools.

Today, I’m incredibly excited to give you guys a brand new "secret weapon": Hosi Gullfoss!

This is a custom JSFX Plugin (Adaptive bidirectional spectral balancer) that I built entirely within REAPER. If you ever struggle with muddy mixes or harsh, masking resonances, this is your ultimate solution.

🌟 Key Features:

• Real-time Adaptive EQ: Automatically analyzes and corrects frequency imbalances based on human auditory perception curves.

• TAME & RECOVER: Automatically suppresses harsh, unwanted frequencies while bringing out hidden details and clarity.

• Mid/Side Processing: Easily widen your stereo image without ruining the center mix.

• Intuitive UI: Fully packed with sound shaping tools like Bias, Brighten, Smile EQ (Boost), and scalable FFT resolutions for both mixing and mastering.

⚠️ IMPORTANT NOTE: This plugin is an EXCLUSIVE reward strictly for my Monthly Supporters here on Ko-fi. It’s my special way of saying "Thank You" for having my back!

📥 How to install: Download the attached .jsfx file below and drop it directly into your REAPER Effects folder.

📥 Download: https://ko-fi.com/s/16d638b812

Once again, thank you so much for your amazing support! Happy mixing! 🎧🔥

La Chí Nhân — Hosian Luo

Hosi MEQ-5 v1.2.0, a faithful recreation of the classic Pultec-style mid-range equalizer developed specifically for REAPER. Created by La Chí Nhân (Hosi Prod) from NK RECORDING STUDIO, this plugin combines vintage passive circuit behaviors with modern digital precision.

[What's New in v1.2.0]

High Quality Mode (2x Oversampling): Runs the entire processing chain—including saturation—at double the sample rate to eliminate digital aliasing and EQ curve cramping.

Real-time Frequency Graph: A live visualizer covering 100Hz to 10kHz, allowing you to monitor your mid-range adjustments with surgical precision.

Embedded UI Support: Features a compact graph-only view that integrates directly into your REAPER Track (TCP) or Mixer (MCP) panels.

Tube Drive & Smoothing: Features non-linear tube saturation for harmonic warmth and coefficient interpolation to prevent "zipper noise" during automation.

[Key Features]

3-Band Control: Specialized Low-Mid Peak, Mid-Dip, and High-Mid Peak bands.

Low-Mid (200Hz - 1kHz): Add body and weight to your instruments.

Dip (200Hz - 7kHz): Effortlessly remove "mud" or boxiness from your mix.

High-Mid (1.5kHz - 5kHz): Enhance presence and clarity for vocals or lead tracks.

Download: https://store.lachinhan.xyz/l/meq5

Stop aligning vocals manually! Introducing Hosi Align Takes – a powerful Lua script for REAPER that syncs your dubs and harmonies to a guide track instantly using FFT Cross-Correlation.

 

Developed by Hosian Luo (Hosi Prod), this tool brings a VocAlign-style workflow directly into REAPER's native environment using Stretch Markers.

 

✨ Key Features:

 

✅ FFT Accuracy: Advanced algorithm for precise alignment.

 

✅ ImGui Interface: Modern, clean, and easy to use.

 

✅ Smart Filters: Silence Gate & Smoothing to prevent artifacts.

 

✅ Real-time Tweaking: Adjust Strength and Offset on the fly.

 

✅ Presets Included: Ready for Vocals, Drums, and Bass.

 

📥 Download Script: https://store.lachinhan.xyz/l/VocAlign

The script is currently free for one week, after which it will cost $6. Hurry up and grab yours!

 

Requirement: Please install ReaImGui via ReaPack before using.

 

If you enjoy my work, consider supporting me! 

☕ Support Me: https://paypal.me/nkstudio