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  Microsemi Electronic Components Datasheet  

ZL38050 Datasheet

Timberwolf Digital Signal Processor

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Timberwolf Digital Signal Processor family,
powered by AcuEdge™ Technology
Designed for IP and Security Cameras
ZL38050
Preliminary Data Sheet
Description
The ZL38050 is part of Microsemi’s new Timberwolf
audio processor family of products that feature the
company’s innovative AcuEdge acoustic technology,
which is a set of highly-complex and integrated
algorithms. These algorithms are incorporated into a
powerful DSP platform that allow the user to extract
intelligible information from the audio environment.
The Microsemi AcuEdge Technology ZL38050 device
is ideal for IP and security camera applications. Its
license-free, royalty-free intelligent audio Firmware
(ZLS38050) provides Acoustic Echo Cancellation
(AEC), Noise Reduction (NR) and a variety of other
voice enhancements 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 ZL38050 device.
The optional MiTuner ZLE38470BADA Automatic
Tuning Kit provides automatic tuning and easy control
for manual fine tuning adjustments.
Applications
• IP Cameras
• Security Cameras
Typical IP Security Camera Application
Document ID# 149142
Version 6
October 2015
Ordering Information
Device OPN Package
Packing
ZL38050LDF1
ZL38050LDG1
ZL38050UGB2
64-pin QFN (9x9)
Tape & Reel
64-pin QFN (9x9)
Tray
56-ball WLCSP (3.1x3.1) Tape & Reel
These packages meet RoHS 2 Directive 2011/65/EU of the European Council
to minimize the environmental impact of electrical equipment.
Microsemi AcuEdge Technology
ZLS38050 Firmware
• Wideband and Narrowband Acoustic Echo
Cancellation
• Full or Half duplex operation
• Supports long tail AEC (up to 256 ms) in both
Narrowband and Wideband operation
• Howling detection/cancellation
• Prevents oscillation in AEC audio path
• Non-linear echo cancellation provides higher
tolerance for speaker distortions
• Advanced NR reduces background noise from the
near-end speech signal using Psychoacoustic
techniques
• Provisions for stereo audio mixing and stereo
music record and playback (sample rate of
48 kHz) with 8 kHz or 16 kHz voice processing
• Multi-tone generation
• Various encoding/decoding options:
• 16-bit 2’s complement (linear)
• G.711 A/μ law
• G.722
• Send and receive path equalizers
• 16-band for Narrowband mode
• 22-band for Wideband mode
• Comfort noise generation
• 48 kHz bypass mode
• Configurable Cross Point Switch
Tools
• ZLK38000 Evaluation Kit
MiTuner™ ZLS38508 and ZLS38508LITE GUI
MiTuner™ ZLE38470BADA Automatic Tuning Kit
1
Microsemi Corporation Confidential and Proprietary


  Microsemi Electronic Components Datasheet  

ZL38050 Datasheet

Timberwolf Digital Signal Processor

No Preview Available !

Timberwolf Digital Signal Processor family,
powered by AcuEdge™ Technology
Designed for IP and Security Cameras
ZL38050
Preliminary Data Sheet
ZL38050 Hardware Features
• DSP with Voice Hardware Accelerators
• Dual ΔΣ 16-bit digital-to-analog converters (DAC)
• Sampling up to 48 kHz and internal output
drivers
• Headphone amps capable of 4 single-ended or
2 differential outputs
• 32 mW output drive power into 16 ohms
• Impulse pop/click protection
• A single Digital Microphone input supporting
up to 2 Microphones
• TDM port shared between PCM and
Inter-IC Sound (I2S)
• Performs sample rate conversions
• 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
• Can run unattended (controllerless), self-
booting into a configured operational state
• Flash firmware can be updated from SPI Slave
• Crystal-less operation (with a valid TDM clock)
• 14 General Purpose Input/Output (GPIO) pins
• 2 low power modes controlled by reset
• Available in miniature Wafer Level Chip Scale
Package
Performance
• AEC Tail Length: 256 ms
• AEC sampling rate: 8 and 16 kHz
• Single-Talk Weighted Terminal Coupling Loss
(TCLw): > 60 dB
• Double-Talk TCLw: > 40 dB
• Double-Talk Attenuation: < 3 dB
• Noise reduction up to 30 dB
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
• Allows tuning of key parameters of the system
design
• Provides visual representations of the audio paths
with drop-down menus to program parameters,
allowing:
• Control of the audio routing configuration
• Programming of key building 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
2
Microsemi Corporation Confidential and Proprietary


Part Number ZL38050
Description Timberwolf Digital Signal Processor
Maker Microsemi
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ZL38050 Datasheet PDF






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