{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/askz/unrack/blob/41cc12f8e1f0be6c82d24c503ec41a1371ccbbe5/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Unrack controls the t.racks DSP 4x4 Mini Pro through WebHID, an Android USB bridge, or an ESP32-S3 Wi-Fi bridge. It builds on earlier protocol research and provides rebuilt transport, state management, and interface code; its protocol notes detail request and reply frames carried in 64-byte USB HID reports, commands, and parameter scaling.",
  "description_zh": "Unrack 通过 WebHID、Android USB 桥接或 ESP32-S3 Wi-Fi 桥接控制 t.racks DSP 4x4 Mini Pro。项目基于此前的协议研究，重建了传输层、状态管理和界面；协议文档记录 64 字节 USB HID 报文中的请求与响应帧、命令及参数换算方式。",
  "entry_url": "https://awesomerea.org/resources/unrack-dsp-control-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/unrack-dsp-control-case/",
  "evidence_class": 1,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/askz/unrack/blob/41cc12f8e1f0be6c82d24c503ec41a1371ccbbe5/PROTOCOL.md",
  "group": "cases",
  "id": "unrack-dsp-control-case",
  "json_url": "https://awesomerea.org/resources/unrack-dsp-control-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/unrack-dsp-control-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/unrack-dsp-control-case/index.md",
  "name": "Unrack: extending reconstructed t.racks DSP control",
  "name_zh": "Unrack：扩展基于逆向协议的 t.racks DSP 控制",
  "preview_kind": "image",
  "preview_url": "https://awesomerea.org/previews/unrack-dsp-control-case.webp",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A t.racks DSP 4x4 Mini Pro is the only currently supported device.",
    "Desktop use requires Chrome or Edge with WebHID; the Wi-Fi bridge requires an ESP32-S3 board with USB OTG and at least 8 MB flash.",
    "Mute and PEQ-band bypass have no device readback.",
    "AGPL-3.0."
  ],
  "requirements_zh": [
    "目前仅支持 t.racks DSP 4x4 Mini Pro。",
    "桌面使用需要支持 WebHID 的 Chrome 或 Edge；Wi-Fi 桥接需要带 USB OTG 且闪存不少于 8 MB 的 ESP32-S3 开发板。",
    "设备不提供静音和 PEQ 频段旁路状态回读。",
    "许可证为 AGPL-3.0。"
  ],
  "scope": "partial",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/askz/unrack",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}
