{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/nm2107/Pioneer-DJM-850-driver-reverse-engineering/blob/3d067c741754ed80bbc19e4971005a6c7cd68d1a/doc/windows-djm-850-setting-utility/README.md",
    "https://github.com/nm2107/Pioneer-DJM-850-driver-reverse-engineering/blob/3d067c741754ed80bbc19e4971005a6c7cd68d1a/doc/windows-dvs/README.md",
    "https://github.com/nm2107/Pioneer-DJM-850-driver-reverse-engineering/blob/3d067c741754ed80bbc19e4971005a6c7cd68d1a/LICENSE"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "The Pioneer DJM-850 study maps USB exchanges between the mixer and its Windows driver and Setting Utility to inform Linux support. Captures and notes cover mixer input and output choices, ASIO settings, DVS timecode and music transfer, channel routing, sample rate and buffer behavior.",
  "description_zh": "Pioneer DJM-850 研究通过抓取调音台与 Windows 驱动及设置工具之间的 USB 数据，为 Linux 支持整理通信行为。抓包与文档覆盖输入输出选项、ASIO 设置、DVS 时间码和音乐传输、通道路由、采样率及缓冲行为。",
  "entry_url": "https://awesomerea.org/resources/pioneer-djm-850-usb-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/pioneer-djm-850-usb-case/",
  "evidence_url": "https://github.com/nm2107/Pioneer-DJM-850-driver-reverse-engineering/blob/3d067c741754ed80bbc19e4971005a6c7cd68d1a/README.md",
  "group": "cases",
  "id": "pioneer-djm-850-usb-case",
  "json_url": "https://awesomerea.org/resources/pioneer-djm-850-usb-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/pioneer-djm-850-usb-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/pioneer-djm-850-usb-case/index.md",
  "name": "Pioneer DJM-850: mapping mixer control and audio over USB",
  "name_zh": "Pioneer DJM-850：解析 USB 调音台控制与音频传输",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "scope",
    "limits",
    "license"
  ],
  "requirements": [
    "Pioneer DJM-850-S with firmware 1.10 and Windows driver 1.500 were used for the documented study.",
    "MIDI communication behavior was outside the author's planned study.",
    "MIT license."
  ],
  "requirements_zh": [
    "文中的研究使用固件 1.10 的 Pioneer DJM-850-S 和 Windows 驱动 1.500。",
    "作者未计划研究 MIDI 通信行为。",
    "采用 MIT 许可证。"
  ],
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/nm2107/Pioneer-DJM-850-driver-reverse-engineering",
  "verification": "source-reviewed",
  "verified_at": "2026-11-08"
}