A focused Windows audio console for Recording Tech SC220, karaoke audio, PC playback, OBS, and TikTok Live Studio.
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SC220 Live is a native Windows audio application that brings a practical live-streaming signal path into one clear workspace. It combines audio from Recording Tech SC220 and Windows playback, applies ASK-P Signature processing, provides metering and level control, and sends the finished programme to streaming software through a compatible Windows audio route.
It is intended for creators, karaoke users, educators, musicians, reviewers, and live hosts who want a simpler way to prepare clean audio for OBS Studio or TikTok Live Studio.
Important
This repository is the official public distribution and documentation surface. Application source code, proprietary DSP source, signing material, private build infrastructure, and credentials are maintained separately and are not published here.
SC220 Live v0.1.1 — published August 10, 2026 for Windows 10/11 x64.
| Item | Current release |
|---|---|
| Official download page | sc220.pages.dev/en/download |
| Windows installer | SC220-Live-v0.1.1-Setup-win-x64.exe |
| Installer size | 24,043,506 bytes (about 22.9 MiB) |
| Release notes | RELEASE_NOTES_v0.1.1.md |
| Machine-readable metadata | latest.json |
| GitHub Release | v0.1.1 |
- Processing engine synchronized to the approved ASK-P v0.5.24 production authority.
- Reference Bypass uses a latency-aligned shared input path with smooth transitions.
- Smart installer checks Microsoft Visual C++ Runtime, Windows Audio readiness, and VB-CABLE readiness before launch.
- Stereo analyzer preserves anti-phase content by evaluating left/right channel energy independently.
- Release packaging and verification contracts were hardened for more reliable public distribution.
- SC220 Live still exposes the same five creative macros; Gain Match remains disabled by default and is not exposed in the public UI.
- Mix Recording Tech SC220 input and Windows/PC audio independently.
- Shape the final sound with ASK-P Signature processing.
- Monitor input, output, peak, loudness, and stereo activity before going live.
- Apply automatic ducking so PC audio lowers while the host speaks.
- Route the finished mix to OBS Studio or TikTok Live Studio.
- Keep core audio controls available after the 365-day full-control period.
- Download versioned Windows installers with SHA-256 verification and manifest files.
flowchart LR
A[Microphone / line source] --> B[Recording Tech SC220]
K[Optional karaoke processor] --> B
C[Windows / PC audio] --> D[SC220 Live]
B --> D
D --> E[ASK-P Signature + meters + ducking]
E --> F[Virtual audio output]
F --> G[OBS Studio / TikTok Live Studio]
SC220 Live is not control software for Recording Tech KTV Pro K500. For a clear explanation of how a karaoke processor, audio interface, and Windows mixer differ, see the KTV Pro K500 karaoke processor guide.
Current installer SHA-256:
589b174357cb36c62611d7a0e89bfa6a7d25251fc27015b5dd5b25fb54c04686
On Windows PowerShell:
Get-FileHash .\SC220-Live-v0.1.1-Setup-win-x64.exe -Algorithm SHA256The result must match the published checksum exactly. Release assets also include a .sha256 file and a supply-chain manifest.
Note
Windows SmartScreen may show an unknown-publisher warning until a dedicated application code-signing certificate is deployed. Always download from this repository or the official website and verify SHA-256 if you are unsure.
- Open the official SC220 Live download page and download the installer.
- Verify the SHA-256 checksum when integrity verification is required.
- Run the installer as Administrator and follow its prerequisite checks.
- Install Standard VB-Audio VB-CABLE only when your streaming route requires it.
- In SC220 Live, select the correct SC220 input and Windows playback source.
- Select
CABLE Inputas Stream Output when using standard VB-CABLE. - In OBS or TikTok Live Studio, select
CABLE Outputas the audio input. - Make a test recording and confirm levels before going live.
- Windows 10 or Windows 11, 64-bit.
- Recording Tech SC220 or another compatible Windows audio input device.
- A working Windows playback device for PC audio.
- OBS Studio, TikTok Live Studio, or another application that accepts Windows audio devices.
- Optional Standard VB-Audio VB-CABLE or an equivalent compatible virtual audio route.
This public repository contains:
- Production landing pages and English/Indonesian documentation.
- Official release metadata and user-facing release notes.
- Versioned installer assets, checksums, and manifests through GitHub Releases.
- Public support, security, and contribution documentation.
- Cloudflare Pages deployment automation plus a GitHub Pages mirror.
It does not contain:
- Application source code or debug symbols.
- Proprietary DSP implementation source.
- API credentials, signing keys, certificates, or secrets.
- Private CI/CD and release infrastructure.
- Read SUPPORT.md before opening an issue.
- Use the structured bug report for reproducible problems.
- Read SECURITY.md before reporting a vulnerability.
- Documentation and public-site improvements may follow CONTRIBUTING.md.
Every public release is expected to be traceable through:
- A versioned GitHub Release.
- A Windows installer with a stable filename.
- A SHA-256 checksum file.
- A machine-readable manifest.
- Public release notes.
- A matching entry in
latest.json.
Do not download repackaged installers from third-party file-sharing sites.
SC220 Live is maintained by MasArray / Recording Tech. Windows, OBS Studio, TikTok, VB-Audio, and other third-party product names belong to their respective owners and are referenced only for compatibility, identification, and technical education.
Clean routing. Clear controls. Ready for broadcast.