小红书【2026校招】音频算法工程师
校招全职多媒体算法地点:上海 | 北京状态:招聘
任职要求
1、本科及以上学历,计算机,信号与信息处理和声学等相关专业; 2、熟悉 C/C++ 编程,具备良好的代码规范和系统设计能力; 3、熟悉数字信号处理(DSP)基础理论,了解语音信号处理常用算法; 加分项: 1、参加过DNS等chanllenge比赛,有相关成绩者优先,在interspeech等顶会发表过论文者优先; 2、熟悉常用音频处理工具(如 MATLAB、Python、Audacity)或音频开发框架(如 WebRTC、FFmpeg)者优先; 3、有 Android/iOS 音频开发经验(AudioTrack、OpenS ES、AVAudioEngine 等)优先;
工作职责
1、参与点,直播各场景音频算法,引擎和策略的研发,保障高质量的音频消费体验; 2、参与直播音频引擎的开发,包括音频采集,渲染和混音模块,在多平台完成集成和性能调优; 3、参与音频策略算法的研究,包括但不限于: ①语音降噪(Noise Suppression),回声消除(AEC)等3A算法 ②语音合成与修复等AI算法; ③抗丢包与弱网对抗技术(FEC、PLC)等编解码算法 4、跟踪业界前沿音频技术,参与3D 音效和空间音频等方向的调研与业务落地; 5、参与音频质量评测体系建设,配合进行主观/客观音质测试与问题定位。
包括英文材料
学历+
C+
https://www.freecodecamp.org/chinese/news/the-c-beginners-handbook/
本手册遵循二八定律。你将在 20% 的时间内学习 80% 的 C 编程语言。
https://www.youtube.com/watch?v=87SH2Cn0s9A
https://www.youtube.com/watch?v=KJgsSFOSQv0
This course will give you a full introduction into all of the core concepts in the C programming language.
https://www.youtube.com/watch?v=PaPN51Mm5qQ
In this complete C programming course, Dr. Charles Severance (aka Dr. Chuck) will help you understand computer architecture and low-level programming with the help of the classic C Programming language book written by Brian Kernighan and Dennis Ritchie.
C+++
https://www.learncpp.com/
LearnCpp.com is a free website devoted to teaching you how to program in modern C++.
https://www.youtube.com/watch?v=ZzaPdXTrSb8
系统设计+
https://roadmap.sh/system-design
Everything you need to know about designing large scale systems.
https://www.youtube.com/watch?v=F2FmTdLtb_4
This complete system design tutorial covers scalability, reliability, data handling, and high-level architecture with clear explanations, real-world examples, and practical strategies.
算法+
https://roadmap.sh/datastructures-and-algorithms
Step by step guide to learn Data Structures and Algorithms in 2025
https://www.hellointerview.com/learn/code
A visual guide to the most important patterns and approaches for the coding interview.
https://www.w3schools.com/dsa/
MATLAB+
https://matlabacademy.mathworks.com/?page=1&sort=featured
Learn MATLAB and Simulink through interactive, in-product exercises
https://www.mathworks.com/help/matlab/getting-started-with-matlab.html
Millions of engineers and scientists worldwide use MATLAB® to analyze and design the systems and products transforming our world.
https://www.youtube.com/watch?v=7f50sQYjNRA
Learn the fundametnals of MATLAB in this tutorial for engineers, scientists, and students.
Python+
https://liaoxuefeng.com/books/python/introduction/index.html
中文,免费,零起点,完整示例,基于最新的Python 3版本。
https://www.learnpython.org/
a free interactive Python tutorial for people who want to learn Python, fast.
https://www.youtube.com/watch?v=K5KVEU3aaeQ
Master Python from scratch 🚀 No fluff—just clear, practical coding skills to kickstart your journey!
https://www.youtube.com/watch?v=rfscVS0vtbw
This course will give you a full introduction into all of the core concepts in python.
开发框架+
[英文] Understanding Modern Development Frameworks: A Guide for Developers and Technical Decision-makers
https://www.freecodecamp.org/news/understanding-modern-development-frameworks-guide-for-devs/
Android+
https://roadmap.sh/android
Step by step guide to becoming an Android developer .
https://www.youtube.com/playlist?list=PLQkwcJG4YTCSVDhww92llY3CAnc_vUhsm
iOS+
https://www.youtube.com/watch?v=UNH0bE4zPtY&list=PLSzsOkUDsvdu5Mm67aBYs2YPu2OM4mFzt
ElasticSearch+
https://www.youtube.com/watch?v=a4HBKEda_F8
Learn about Elasticsearch with this comprehensive course designed for beginners, featuring both theoretical concepts and hands-on applications using Python (though applicable to any programming language). The course is structured in two parts: first covering essential Elasticsearch fundamentals including index management, document storage, text analysis, pipeline creation, search functionality, and advanced features like semantic search and embeddings; followed by a practical section where you'll build a real-world website using Elasticsearch as a search engine, working with the Astronomy Picture of the Day (APOD) dataset to implement features such as data cleaning pipelines, tokenization, pagination, and aggregations.
相关职位
校招内容理解
1、在业务场景下围绕基于大模型的语音识别及合成、音乐理解及生成成等方向搭建核心技术,支撑平台业务板块,将AI语音交互技术服务赋能产品线; 2、跟进最领先的基于大模型的语音交互/音乐生成技术,包括但不限于提出新的技术框架、改进现有的算法、持续提升相关技术指标,并撰写论文及申请专利。
更新于 2025-10-15
校招
1. 负责嵌入式平台计算机视觉、音频处理等算法的落地和工程化开发; 2. 负责算法在嵌入式平台的高性能优化; 3. 负责算法在嵌入式平台的效果验证及对齐,输出高质量算法SDK。
更新于 2025-07-18
校招
1.负责音频、图像、视频等AI算法和传统算法在IOS/Android/Mac/Windows/Linux的算法工程化 2.负责各个算法在特定处理器上的极致优化,包括但不限于指令集、Cache、带宽、GPU优化 3.负责分析各个算法的性能瓶颈点,并与算法同事进行反馈,进一步保效提速降负载 4.负责算法SDK的封装,输出到下游部门进行集成,并进行性能和效果对齐
更新于 2025-07-18