Syntiant NDP - 超低功耗的边缘侧语音AI芯片

Syntiant NDP(Neural Decision Processor)用于运行深度学习算法(deep learning algorithms)。

NDP100通过计算单元的存储单元的高度聚合，最大限度的开发深度学习内在的并行计算优势(vast inherent parallelism of deep learning)，可以达到对比CPU和DSP的存储程序架构(stored program arthitectures)高达100倍的效能提升。

NDP100可编程的深度学习网络支持(programmable deep learning network)多种应用导向的(application-defined)音频处理应用 -

• keyword speech interface
• wake word detection
• speaker identification
• sensor application
• audio event and environment application

主要特性和价值(Key features and benefits)

• 12 ball WLBGA package for extremely space constrained environments
• Dual PDM microphone input or PCM-over-SPI input
• Stereo/mono I2S interface multiplexed with PDM
• Direct access to neural network over SPI forsensor applications
• Frequency, time-domain & batch input models
• 16-bit input holding tank with faster than real-time SPI extraction
• General purpose ARM Cortex-M0 processor with112KB SRAM
• Integrated clock multiplier and dividers support low frequency clock source or external clocking
• Optimized interrupt and SPI slave interface
• Onboard firmware security and authentication
• English Speech Service for keyword training
• Software Development Kit (SDK) integrates in any software environment
• Training Development Kit (TDK) to enable the user of standard frameworks such as TensorFlow for customer-programmed applications
• Support for 64 output classifications
• Active power consumption of <150 μW while recognizing words

目标应用 -

NDP100以最小化系统支持语音用户界面(enable speech interfaces in smallest systems)，代替传统的触控界面(tactile interface)，包括按键，开关，触摸等。

• Mobile phones
• Ear buds and hearing aids
• Bluetooth headsets
• Smart watches
• IoT endpoints
• Remote controls
• Smart speakers