Summary of KNOWLES IA611 SMARTMIC VOICE WAKE AUDIO PROCESSOR
The Knowles IA611 SmartMic Voice Wake Audio Processor integrates an "always-on" processor with a voice wake and ID detector, a two-second audio buffer, and SiSonic™ MEMS microphone technology. It features a programmable DSP with 248kBytes of RAM, ultra-low power consumption, and supports I2C/UART interfaces for flexible system integration.
Parts used in the Knowles IA611 SmartMic Voice Wake Audio Processor:
- Voice Wake and Voice ID keyword detector
- Two-second audio buffer
- SiSonic™ MEMS microphone technology
- Programmable DSP with 248kBytes RAM
- Acoustic activity Detector (AAD)
- SPI interface for burst out
- I2C/UART interfaces
- Interrupt signal to host processor
- Integrated power tree from 1.8V supply
Knowles IA611 SmartMic Voice Wake Audio Processor features an “always-on” Processor providing a Voice Wake and Voice ID keyword detector, a two-second buffer, and Knowles’ proven high performance acoustic SiSonic™ MEMS microphone technology in a single, miniature, top-port package.
The Knowles IA611 SmartMic Voice Wake Audio Processor offers flexibility by supporting the most relevant audio and data interfaces. The IA611 provides integrated programmable DSP with 248kBytes of RAM available for customers and 3rd party algorithms, enabling unlimited creativity. The solution pushes the system performance to ultra-low-power with its custom core design and accelerates time to market with its highly integrated combination of hardware, software, and firmware.
Features
- High-accuracy Voice Wake and Voice ID keyword recognition to wake-up any system from a trigger phrase
- Minimum latency when burst out two-second audio buffer using SPI
- Ultra-low-power “always on” acoustic activity
- Detector (AAD) capable waking the embedded DSP
- Interrupt signal to the host processor when a voice keyword trigger is detected
- Integrated power tree from a single 1.8V supply
- Extra flexibility with I2C/UART interfaces
Read more: KNOWLES IA611 SMARTMIC VOICE WAKE AUDIO PROCESSOR
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What technology does the IA611 use for acoustic sensing?
The device uses Knowles' proven high performance acoustic SiSonic™ MEMS microphone technology. -
How much RAM is available for algorithms?
There are 248kBytes of RAM available for customers and third party algorithms. -
Can the device wake up the system from a trigger phrase?
Yes, it provides high accuracy Voice Wake and Voice ID keyword recognition to wake up any system. -
What voltage supply does the integrated power tree require?
The solution utilizes an integrated power tree from a single 1.8V supply. -
Does the processor support data interfaces other than SPI?
Yes, it offers extra flexibility with I2C and UART interfaces. -
How does the device handle latency when using the audio buffer?
It ensures minimum latency when bursting out the two-second audio buffer using SPI. -
What triggers the interrupt signal to the host processor?
An interrupt signal is sent when a voice keyword trigger is detected.
