Cirrus Logic Accelerates Design of Next Generation Voice-Enabled Devices with Voice Capture Development Kit for Amazon Alexa ...
July 06 2017 - 10:55AM
Business Wire
Development Kit Offers Complete Low Power,
Two-Mic Solution to Deliver Superior Alexa Voice Interaction
Experiences
Cirrus Logic (NASDAQ: CRUS), the audio and voice IC market
leader, today introduced a development kit for Alexa Voice Service
(AVS), optimized for smart speakers and smart home applications
including voice controlled devices, hands-free portable speakers
and networked speakers. With the Cirrus Logic IC and software
design, the Voice Capture Development Kit for Amazon AVS helps
manufacturers quickly get to market with new Alexa-enabled products
that feature high-accuracy wake-word triggering and command
interpretation even in noisy environments and during music
playback.
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View the full release here:
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The Cirrus Logic Voice Capture
Development Kit for Amazon Alexa Voice Service. (Graphic: Business
Wire)
The low power Voice Capture Development Kit for Amazon AVS
includes a reference board that features Cirrus Logic’s CS47L24
smart codec, CS7250B digital MEMS microphones and SoundClear®
algorithms for voice control, noise suppression and echo
cancelation [for video, click here]. The turnkey voice capture
reference design enhances “Alexa” wake-word detection and audio
capture in real world conditions, even from moderate distances in
noisy environments, and enables users to reliably interrupt loud
music or Alexa response playback. The smart codec uses an on-chip,
high-performance digital-to-analog converter (DAC) with a two-watt
mono speaker driver to enable high-fidelity audio playback.
“We’re excited to be working with Cirrus Logic to help OEMs
bring Alexa to more smart speakers and other audio form factors,”
said Priya Abani, director, Alexa Voice Service. “Cirrus Logic’s
Voice Capture Development Kit for Amazon AVS delivers advanced
acoustic tuning along with proven hardware and software components
to allow device-makers to bring products to market faster and more
efficiently.”
“With our expertise in audio and voice ICs and software, we are
giving manufacturers of smart home applications a powerful,
easy-to-use voice capture development kit for creating
Alexa-enabled products,” said Carl Alberty, vice president of
Marketing, Cirrus Logic audio products. “Our AVS development kit
delivers superior voice command performance that when combined with
the Cirrus Logic tools and software provided, enables OEMs to bring
high-fidelity speakers with superior Alexa voice interaction to
market faster.”
Cirrus Logic Voice Capture Technology Enables Improved
Performance
Cirrus Logic’s voice capture solution elevates the user
experience by suppressing noise and other real world interference
for more accurate and reliable voice interactions. This technology
improves “Alexa” wake-word detection in both quiet and noisy
environments and with the user several meters away from the device.
Cirrus Logic’s echo cancelation technology is critical to achieving
a superior user experience by allowing the user to “barge” into or
interrupt loud music playback and Alexa responses, so Alexa can
respond accurately to new requests.
The ultra low noise floor and wide dynamic range (130 dB) of
Cirrus Logic’s MEMS microphones assure precise voice capture in
challenging noise conditions, enabling Cirrus Logic’s SoundClear
algorithms to block noise that would otherwise interfere with Alexa
wake-word and request accuracy.
Cirrus Logic’s smart codec integrates hi-fi DACs, a stereo
headphone amp and mono speaker amp to provide OEMs with a low cost
bill of materials for products ranging from high-end speakers to
simple digital assistants. Designed with the needs of ultra low
power portable devices and accessories in mind, it typically
consumes 80 percent less power versus competing solutions.
The kit is a complete solution that includes a voice capture
board with high performance two-microphone array, Raspberry Pi 3
(RPi3), speaker and a microSD card preloaded with all required
firmware for instant productivity. Cirrus Logic’s control console
simplifies operation of the various RPi3 applications and provides
a robust, user-friendly interface to perform acoustic tuning and
diagnostic functions. The voice capture reference board’s schematic
design and bill of material are designed for use in most AVS
applications with minimal customization, further reducing
time-to-market.
Pricing and Availability
The Cirrus Logic CRD1569-1 Voice Capture Development Kit for
Amazon AVS is available to qualified commercial device
manufacturers through Digi-Key at
https://www.digikey.com/products/en?k=598-2471-KIT-ND.
OEMs developing AVS-enabled products can find more information
on the Amazon Developer site:
https://developer.amazon.com/alexa-voice-service/dev-kits.
Cirrus Logic, Inc.
Cirrus Logic is a leader in high performance, low
power ICs for audio and voice signal processing applications.
Cirrus Logic’s products span the entire audio signal
chain, from capture to playback, providing
innovative products for the world’s top smartphones,
tablets, digital headsets, wearables and emerging smart home
applications. With headquarters in Austin, Texas, Cirrus Logic is
recognized globally for its award-winning corporate
culture. Check us out at www.cirrus.com.
Cirrus Logic, Cirrus, the Cirrus Logic logo design and
SoundClear are registered trademarks or trademarks of Cirrus Logic,
Inc. Other company names and/or brands may be trademarks or service
marks of their respective owners. © 2017 Cirrus Logic, Inc. All
rights reserved.
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Cirrus Logic, Inc.Bill Schnell, 512-851-4084Public
Relationsbill.schnell@cirrus.comorStrategic Communications,
Inc.Angie Hatfield, 425-941-2895ahatfield@strategiccom.biz
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