外企高薪诚聘-audio-modem

sawadika86

招聘信息

阿格雅（北京）技术有限公司是AGREEYA SOLUTIONS LTD.在中国地区设立的分支机构，总部在美国硅谷，致力于为全球客户提供领先的智能手机、消费类电子等嵌入式产品研发，质量保证及技术支持等系列服务。主要为全球客户提供基于Android和嵌入式Linux的整体解决方案，包括Android/Linux移植，系统定制和优化，应用/多媒体开发和测试等软件服务项目和解决方案。

目前，AgreeYa在全球共设有7个运营中心，我们的交付网络涵盖美国、中国、莫斯科、中东、印度、新加坡、韩国等多个国家和地区，全力为全球客户提供全方位、迅捷可靠的服务，AgreeYa随时与客户一起面对挑战和变革，共同追求更加卓越的绩效。这里有你挥洒激情的舞台, 欢迎加入AgreeYa,共创基业，共同成长！

如感兴趣请投递简历：xiaona.zhang@agreeyamobility.net
                             yijun.yu@agreeyamobility.net



Audio工程师职位需求：
Required Basic Qualifications:
Hands-on experience in developing system wide audio playback and recording use cases.
Expert in C/C++ programming in user space and kernel space on Linux
Experience developing in embedded Linux environment
Experience developing ALSA drivers – ALSA/SoC, McBSP, McPDM, I2S
Experience developing Audio component in Android -- Audio HAL, Audio Flinger, Policy manager
Working knowledge of audio path, voice path, latencies, ability to handle under-runs, over-runs in driver and framework
Experience in optimizing audio system power consumption (CPU Load, voltage/frequency) and performance
Ability to communicate on technical subjects in written and spoken English.

Additional Preferred Qualifications:
Experience developing Linux or Android on OMAP processors is a plus
Working knowledge of audio mixing, sample rate conversions is a plus
Working knowledge of Modem voice connection is a plus
Working knowledge of SCO and A2DP is a plus
Experience developing multimedia on Android including development for audio-integration with PV-OpenCore OR experience developing GStreamer-audio
plug-ins in systems environment that employs pulse-audio or a similar audio stack is a plus
In-depth knowledge and working experience of audio formats – MP3, AAC, AMR, etc is a plus
Working knowledge with noise reduce, Equalizer control, sidetone reduce.



Modem职位需求
Required Basic Qualifications:
Hands-on experience in developing system with voice and data call usecases
Working knowledge on Android Audio and Telephony architecture, voice and data paths, audio and voice routing,
Working knowledge on HSI, SPI and I2S interface specification  
Experience developing in embedded Linux environment, hands-on experience at HSI and/or SPI driver developments
Experience developing  audio and telephony on Android including development for audio HAL,verdor version of RIL (Radio Interface Layer)
Expert in C/C++ programming in user space and kernel space on Linux
Working knowleade of cellular speech acoustics, familiar with acoustic profiles (Handset, Handfree, Bluetooth etc)
Masters degree in CS, CE, EE or relevant field OR Bachelors degree plus 3 years of working experience
Strong problem solving, excellent verbal and written communication, inter-group coordination and teamwork skills are required