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  Microsemi Electronic Components Datasheet  

ZL38063 Datasheet

Microphone Array ASR-assist Audio Processor

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ZL38063 Preliminary Data Sheet
Microphone Array ASR-assist Audio Processor
Description
The ZL38063 is part of Microsemi's Timberwolf audio
processor family of products that improves Automatic
Speech Recognition (ASR) performance at extended
distances with barge-in capability and is optimized for
detecting voice commands.
The Microsemi AcuEdge™ Technology ZL38063 device
is specifically designed for televisions, set-top boxes,
and smart speakers, but works equally well in other
connected home applications. The device is capable of
both voice control and 2-way full duplex audio with voice
enhancements such as Acoustic Echo Cancellation
(AEC), Noise Reduction (NR) to improve both the
intelligibility and subjective quality of voice in harsh
acoustic environments.
Microsemi offers additional tools to speed up the product
development cycle. The MiTuner™ ZLS38508 or
ZLS38508LITE GUI software packages allow a user to
interactively configure the ZL38063 device. The optional
ZLE38470BADA Automatic Tuning Kit provides
automatic tuning and easy control for manual fine tuning
adjustments.
Applications
• Integrated smart home gateways
• Connected home devices:
• Set Top Boxes
• Smart Speakers
• Digital Assistants
Block Diagram
Ordering Information
• ZL38063LDF1: 64-pin QFN (9×9) package (Tape
and Reel)
• ZL38063LDG1: 64-pin QFN (9×9) package (Tray)
• ZL38063UGB2: 56-ball WLCSP (3.1×3.1) package
(Tape and Reel)
Note:These packages meet RoHS 2 Directive
2011/65/EU of the European Council to minimize
the environmental impact of electrical equipment.
Microsemi AcuEdge™ Technology
ZL38063 Firmware
The ZL38063 can run different Firmware images that
target specific modes of operation. Firmware images can
be swapped during normal operation to switch modes
dynamically. Microsemi provides firmware images for
two basic operational modes:
Two way voice communication
• Supports 23 microphone linear arrays for 180°
audio pick up
• Supports 3 microphone off-axis or triangular arrays
for 360° audio pick up
• Supports device cascading to allow up to a 6
microphones array
• Full Narrowband and Wideband Acoustic Echo
Cancellation (AEC) operation
• Supports long tail AEC (up to 256 ms)
• Non-Linear AEC provides higher tolerance for
speaker distortions
• Non-Linear processor
• Noise reduction
• Far-field microphone processing
ASR Assist Algorithms
• Supports 2 microphone linear arrays for 180° audio
pick up
• Supports 3 microphone off-axis or triangular arrays
for 360° audio pick up
• Supports device cascading to allow up to 6
microphones in a circular array for 360° audio
pick up
• Support for Barge-in, or incoming trigger 'spotting' in
the presence of DAC audio output
• Noise reduction
• Enhanced far-field support for distances up to 16
feet from the microphone
ZL38063 Preliminary Data Sheet Revision 4.0


  Microsemi Electronic Components Datasheet  

ZL38063 Datasheet

Microphone Array ASR-assist Audio Processor

No Preview Available !

Hardware Features
• DSP with Voice Hardware Accelerators
• SPI or I2C Slave port for host processor interface
• General purpose UART port for debug
• Master SPI port for serial Flash interface
• Boots from SPI or Flash
• Flash firmware can be updated from SPI Slave
• 14 General Purpose Input/Output (GPIO) pins (11
with the 56 pin WLCSP)
• 2 low power modes controlled by reset
The MiTuner™ Automatic Tuning
Kit and ZLS38508 MiTuner GUI
Microsemi's Automatic Tuning Kit option includes:
• Audio Interface Box hardware
• Microphone and Speaker
• ZLS38508 MiTuner GUI software
• Allows tuning of Microsemi's AcuEdge
Technology Audio Processor
The ZLS38508 software features:
• Auto Tuning and Subjective Tuning support
• Provides visual representations of the audio paths
with drop-down menus to program parameters,
allowing:
• Control of the audio routing configuration
• Programming of key blocks in the transmit (Tx)
and receive (Rx) audio paths
• Setting analog and digital gains
• Configuration parameters allow users to “fine tune”
the overall performance
Tools
• ZLK38000 Evaluation Kit
MiTuner™ ZLS38508 and ZLS38508LITE GUI
MiTuner™ ZLE38470BADA Automatic Tuning Kit
ZL38063 Preliminary Data Sheet Revision 4.0


Part Number ZL38063
Description Microphone Array ASR-assist Audio Processor
Maker Microsemi
PDF Download

ZL38063 Datasheet PDF






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