Unisound
unisound.com
Actively hiring
Medical AI
AI Chips & Accelerators
Natural Language Processing
Speech & Audio AI
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How Unisound hires
Truth index
D 52/100
Ghost roles
79%
Stale roles
0%
Reposted roles
0%
Unisound scores D on the Alion truth index (A is best, E worst), measured over 34 open roles re-checked against its own hiring board: 79% look like ghost listings, 0% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Unisound is a Chinese artificial intelligence company founded in 2012 that specialises in speech recognition and language understanding. It supplies voice interfaces for appliances and vehicles and has built clinical documentation systems used in hundreds of Chinese hospitals. The company also develops its own chips for on-device speech processing.
News
当 OCR 学会"重建"：云知声 U1-OCR 将图片、PDF 一键还原为可编辑 PPT开启文档智能的重建时代
近日云知声文档智能基础大模型 U1-OCR 能力全新升级正式上线 IMG2PPT 智能转换功能IMG2PPT 基于 U1-OCR 文档智能引擎打造可将 JPG、PNG、PDF 等静态文件中的内容还原为原生可编辑 PPT让文本框、图片、列表、形状、表格等全部成为 PPT 原生可编辑对象这标志着 OCR 技术正式从 "单一内容识别"进阶至 "智能理解 + 结构重建" 的全新阶段
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云知声U2-RadiMed正式发布引领医学影像AI迈入"临床推理"时代
作为国内首个深度融合医学影像理解、报告生成、临床推理决策、视觉问答的全链路影像大模型该模型支持单张、多张影像与文本的多模态混合输入可完成"看影像调知识做推理出结论"的完整工作闭环为临床医生提供从病灶筛查、精准诊断到个体化治疗决策的全方位AI辅助支撑助力影像诊断迈向更高阶的智能化
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云知声x哈啰出行：把AI装进Robotaxi驶向智慧出行新可能外部链接
近日云知声与国内顶尖普惠用车及本地生活服务平台哈啰出行达成战略合作双方将围绕Robotaxi智能座舱、客服系统升级等核心场景共同探索AI赋能出行服务的更多可能
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云知声U2-ASR、U2-TTS多语种能力全面升级一套模型打通全球"听与说"
云知声近日全面完成 U2-ASR 与 U2-TTS 的多语种能力升级：ASR 新增 13 种国际语言识别TTS 新增 8 种东南亚语言合成至此U2 语音大模型已支持超 100 种中国方言及超 15 种国际语言
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全国率先厦门人工智能公共服务平台上线云知声助力打造"AI+企业服务"新标杆
7月23日厦门市工业和信息化局召开新闻发布会宣布厦门市人工智能公共服务平台正式启动试运行同时运行超过二十年的厦门市中小企业公共服务平台"慧企云"完成全面智能化升级
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让智能不断向上让技术始终向善云知声携U-Model家族亮相 WAIC 2026
在上海世博展览馆H1-D730展位云知声携以U2为核心的U-Model矩阵与三大Agent集群集中亮相从模型能力的持续突破到智能体走进医疗健康、组织流程与日常生活全方位展示云知声的智能伙伴如何从理解世界、感知需求进一步走进工作流、与人协同完成任务以自身实践呼应时代命题：让智能不断向上也让每一次技术进步始终向善而行
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云知声发布U2-Med专家级三医大模型：以智能向善重塑产业让AI成为扎根一线的"数字专家"
以"智能向善"为初心U2-Med致力于将AI从"对话工具"升级为扎根业务一线的"数字专家"通过打破三医数据与业务的孤岛重构产业生态U2-Med不仅是在攀登技术的高峰更是在仰望人类健康的星辰大海--以AI的力量推动医疗服务向更高效、更公平、更智能的方向演进让科技的温度真正造福全人类的健康福祉
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HEALing 熵坍缩：基于混合领域熵动态对齐的少样本 RLVR 探索增强方法
可验证奖励强化学习RLVR已被证明能够有效提升大语言模型的推理能力但现有方法大多依赖充足的训练数据在低资源场景下RLVR 更容易出现严重的"熵坍缩"从而限制模型探索能力并影响推理性能 为此本文提出面向少样本 RLVR 的 HEAL混合领域熵动态对齐 框架HEAL 首先引入高价值的通用领域数据以增强模型探索的多样性随后提出 熵动态对齐EDA 机制通过对齐目标领域与通用领域的轨迹级熵动态进一步缓解熵坍缩并帮助模型学习更丰富的探索策略 多领域实验表明HEAL 能够持续提升少样本 RLVR 的性能尤其是在仅使用
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VAPO：利用全模态大语言模型实现端到端幻灯片增强语音识别
全模态大语言模型为幻灯片增强语音识别提供了端到端解决方案但容易受到"视觉干扰"即过度依赖幻灯片文字而忽视语音信号导致错误转写为此本文提出视觉锚定策略优化VAPO通过"先看后听"的推理机制以视觉信息作为语义锚点辅助转写并结合多目标强化学习进行优化同时构建 SlideASR-Bench 基准实验表明VAPO 可有效减少视觉干扰并显著降低专业领域中的实体识别错误
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GuideTree：面向长篇医疗记录的指南引导式审阅树
阅读顺序检测是文档理解的基础现有方法大多采用统一监督默认不同版面区域的学习难度基本一致本文指出这一假设存在明显缺陷并发现一种"位置差异Positional Disparity"现象：模型在相对确定的起始和结束区域表现良好但在结构复杂的中间区域性能明显下降这是因为大量简单样本会淹没复杂版面中的有效学习信号 为解决这一问题本文提出基于焦点偏好优化Focal Preference OptimizationFPO的 FocalOrder 框架该方法利用指数移动平均机制动态识别难学习的阅读顺序转换并通过难度校准的成
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Tech stack
Technologies named in job postings at Unisound over the last 12 months, by layer, with the share of postings for each.
Technologies in use
58
Postings analysed
17
Stack modernity
86/100AI adopter
Languages
Python41%
Java12%
JavaScript6%
TypeScript6%
Frameworks & libraries
LangGraph41%
LangChain41%
PyTorch35%
DeepSpeed29%
Databases
Milvus6%
MySQL6%
Redis6%
Cloud & platforms
OpenAI35%
Linux12%
Dify6%
Figma6%
AI & ML
Claude41%
Qwen35%
ChatGPT6%
DeepSeek6%
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Full Unisound tech stack
58 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
42/100
Stable
Open positions
34
0 opened / 0 closed in 30 days
Median time-to-fill
140 days
faster than 10% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Management
43% ▲
Sales
43% ▲
Solutions
14% ▼
Offices
Where the company hires and what each office is for
Cities
8
Hiring now
8
Countries
1
Busiest office
Beijing
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Headquarters
Builds here
Office with open vacancies
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Beijing
China
HQ
7 open roles 86% engineering
hires for AI/ML, Backend, Marketing
Nanjing
China
Regional office
11 open roles 2 posted in 90 days 45% engineering
hires for AI/ML, Sales, Management
Shanghai
China
Regional office
5 open roles 2 posted in 90 days 20% engineering
hires for AI/ML, Management, Marketing
Nanning
China
Regional office
3 open roles 3 posted in 90 days
hires for Management, Sales, Solutions
Xiamen
China
Regional office
3 open roles 67% engineering
hires for AI/ML, Sales
Hefei
China
2 open roles 100% engineering
hires for AI/ML
Hangzhou
China
2 open roles 50% engineering
hires for DevOps, Management
Shenzhen
China
1 open roles 100% engineering
hires for Hardware
Jobs
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In office • Hefei
Python
LangGraph
LangChain
Claude
Qwen
Claude Code
DeepSpeed
RLHF
AI Agents
NLP
AutoGPT
Transformers
PyTorch
OpenAI
DPO
SFT
PPO
GRPO
Megatron-LM
Tool Use
Reward Modeling
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In office • Xiamen
Python
LangGraph
LangChain
Claude
Qwen
Claude Code
DeepSpeed
RLHF
AI Agents
NLP
AutoGPT
Transformers
PyTorch
OpenAI
DPO
SFT
PPO
GRPO
Megatron-LM
Tool Use
Reward Modeling
Apply
In office • Shanghai
Python
LangGraph
LangChain
Claude
Qwen
Claude Code
DeepSpeed
RLHF
AI Agents
NLP
AutoGPT
Transformers
PyTorch
OpenAI
DPO
SFT
PPO
GRPO
Megatron-LM
Tool Use
Reward Modeling
Apply
In office • Nanjing
Python
LangGraph
LangChain
Claude
Qwen
Claude Code
DeepSpeed
RLHF
AI Agents
NLP
AutoGPT
Transformers
PyTorch
OpenAI
DPO
SFT
PPO
GRPO
Megatron-LM
Tool Use
Reward Modeling
Apply
Apply
Apply
Apply
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Financials
Investors
8
Key Investors
宁波联利共达投资管理合伙企业（有限合伙）
shareholder on the register (清科 zdb)
中金佳泰贰期（天津）股权投资基金合伙企业（有限合伙）
shareholder on the register (清科 zdb)
天津奇睿天成股权投资中心（有限合伙）
shareholder on the register (清科 zdb)
中电健康医疗大数据（杭州）股权投资基金合伙企业（有限合伙）
shareholder on the register (清科 zdb)
北京云创互动投资管理咨询合伙企业（有限合伙）
shareholder on the register (清科 zdb)
中国互联网投资基金（有限合伙）
shareholder on the register (清科 zdb)
天津和易谷雨股权投资合伙企业（有限合伙）
shareholder on the register (清科 zdb)
MING FU INVESTMENTS LIMITED（明富投资有限公司）
shareholder on the register (清科 zdb)