Audio Processing

Timberwolf™ Audio Processing Platform

Overview

The Timberwolf platform is a third generation Digital Signal Processor (DSP) developed in 55nm Timberwolf Audio Processors | Microsemi CMOS technology with a proprietary 4-MAC core and dedicated hardware accelerators. The hardware architecture is ideal for today’s growing need of low-power hands-free communications. This field upgradable platform, when combined with algorithmic firmware, enables beam forming, multi-channel Acoustic Echo Cancellation (AEC), direction of arrival and far field MIC capabilities. These powerful new technologies are the foundation for automatic speech recognition, sound classification and other intelligent decision making functions based on sound and audio processing.

Microsemi AcuEdge™ Audio Processing Solutions

Microsemi introduces its new AcuEdge™ acoustic technology featuring best-in-class audio processing. These high-performance audio processors enable the streamlined development of IP Phones and enterprise hands-free communication.

Designed for world-class high definition voice applications, Microsemi’s new ZL380 series of audio processors features the company’s Microsemi AcuEdge™ Technology. This innovative technology is a set of highly-complex and integrated algorithms that allows the user to extract more information from the audio environment. The new Microsemi AcuEdge™ Technology consists of license-free, royalty-free intelligent audio IP algorithms. When combined with Microsemi’s highly-integrated ZL380 series of audio processors, the solution accelerates customers’ time-to-market via validated reference design and easy-to-use development tools including the Microsemi Audio Interface Box (AIB) Kit which utilizes the MiTuner™ GUI software.

Timberwolf™ Programmable Audio Processors

ZL38040 - Advanced Wideband Audio Processor
ZL38042 - Advanced Multi-Channel Audio Processor
ZL38050 - Security Camera Audio Processor
ZL38051 - Advanced IP Camera Audio Processor
ZL38052 - Advanced IP Camera with Sound Classifier Audio Processor
ZL38AMB - Ambarella Advanced IP Camera Audio Processor
ZL38060 - Connected Home Audio Processor
ZL38062 - Sound Classifier Audio Processor
ZL38063 - Microphone Array ASR Assist Audio Processor
ZL38067 - ASR Audio Processor
ZL38080 - Hands-Free Automotive Audio Processor
ZL38090 - USB Headset Audio Processor

Resources

The Microsemi AcuEdge™ Technology accelerates customers’ time-to-market with a validated IP Phone reference design, eval kits and easy-to-use development tools including the MiTuner™ automated AEC tuning kit.

Eval Kits

Microsemi's audio processing eval boards are designed to aid and speed up the evaluation of the Microsemi AcuEdge™ Technology. They provide a simple analog interface that can be connected to microphones and speakers in a plastic enclosure to allow for subjective testing of the Acoustic Echo Canceller (AEC). The miniature size allows for easy mounting in any existing plastic enclosure.

Resources for Microsemi Eval Boards:

AcuEdge™ Development Kit for Amazon Alexa AVS
ZLK38000 Eval User's Guide - Support ZL38040, ZL38050, ZL38051, ZL38052, ZL38060, ZL38062, ZL38067, ZL38080
ZLK38042 Eval User's Guide - Support ZL38042
ZLK38090 Eval User's Guide - Support ZL38090

Reference Designs

The Microsemi AcuEdge™ Technology accelerates customers’ time-to-market with a validated IP Phone reference design and easy-to-use development tools including the MiTuner automated AEC tuning kit.

The reference design, developed in collaboration with IC+ and was designed to meet the acoustic challenges of providing High Definition (HD) Voice in a desktop phone system. This design in conjunction with a properly designed plastic enclosure will meet TIA 920 and ETSI 202738 standards.

The Microsemi AcuEdge™ solution has been tested in tier-one OEMs design to meet TIA, ETSI and ITU standards, as well as achieving design-in success in targeted enterprise markets.

ZLE38640 IP Phone Reference Design User's Guide

The ZLE38640 is a complete IP Phone Reference Design board. The Reference Design board is mounted in a phone housing for demonstration purposes. The telephone is provided as a reference only and is not for resale.

The IP Phone Reference Design board has the following feature set:

Microsemi ZL38040 Advanced Audio Processor
High-fidelity 16 kHz sampling
Acoustic Echo Canceller (AEC)
Line Echo Canceller (LEC)
Speakerphone, Wideband Handset, and Headset interfaces
Class-AB differential amplifier capable of driving 4 or 8 ohm speaker
Microsemi Power over Ethernet or 5V power operation

MiTuner

MiTuner™ Automatic Tuning Kit

Microsemi's MiTuner™ kit provides hardware, software and support for the automatic tuning of MIcrosemi's AcuEdge™ Technology audio processors.
Features include:

Auto tuner allows user to automatically tune key parameters of the system.
Visual representation of the audio paths allow variations in the audio routing configuration
Visual representation of the key building blocks in the transmit (Tx) and receive (Rx) audio paths with drop-down menus to program program block parameters
Set the analog and digital gains
Configure parameters allows users to “fine tune” the performance.

Comprehensive Support

Offers access to software, hardware, system, audio engineers and audio equipment to assist with individual customer projects.
Offers audio support services include test and measurement, electrical analysis, mechanical analysis and recommendations on transducers and plastics.

Applications engineers prepare comprehensive reports citing the acoustic analysis results and detailed recommendations to help customers drive products to market quickly while achieving the highest quality audio performance and network compliance.

ZLS38508 MiTuner GUI

MiTuner Auto Tuning Process

Timerberwolf, MiTuner, Audio Processing Design Resources | Microsemi

Audio Processing Partners

Microsemi's Partner Program is a cooperative effort between Microsemi and other hardware partners to help Microsemi customers develop world class products. The program's purpose is to provide engineers with access to additional design resources, expertise, and product information from Microsemi's strategic partners worldwide. These products and services are available from and supported directly by our partners. These value-added products, reference designs and services enable designers to get their products to market faster by leveraging additional design expertise from our partner's resources.

		Ambarella, Inc. is a leading developer of low-power, high-definition (HD) and Ultra HD video compression and image processing solutions. The company’s products are used in a variety of professional and consumer applications including security IP-cameras, wearable cameras, flying cameras and automotive video processing solutions.

		DB Unlimited provides world class audio solutions to maximize customer designs and help solve engineering design challenges. DB Unlimited is committed to the continual pursuit of next generation technology and support.

		Libre Wireless Technologies has extensive expertise in developing WiFi/Wireless technologies with IoT, Media streaming and voice interface/control software and SDK platforms, electronic modules and RF/antenna design solutions.

		Sensory, Inc. is the leader in embedded speech and vision technologies for consumer electronics, with 50+ patents issued or applied for. Sensory's technologies have been deployed in more than a billion consumer electronics devices, including mobile phones, automotive, IoT, mobile, smart home, toys, wearables, and more. With its TrulyHandsfree™ voice control, Sensory has set the standard for mobile handset platforms' ultra-low power "always listening" touchless control.