
All this complexity running under the hood makes it challenging
for OEMs to provide seamless, intuitive, immersive experiences.
Audio Weaver is the experience design platform for
the Audio of Things that solves for complexity and
makes audio innovation easy
Unique Advantages for OEMs
Control of
- The audio experience
- The change request process
- Cost of change
- Flexibility of design
Ownership of
- Core use-case capability
- Reuse on subsequent generations
- Choosing independent supplier partners and IP partners
- Awareness of state-of-the-art technologies
Transparency for
- System design functionality
- Software and hardware requirements
- Platform through open IP, hardware and OS independence
Efficiencies due to
- A single, cross-functional development platform for all vehicle audio processing needs
- A single audio integration
- Speed and simplification of change
- Ability to take concept directly to production
- Fast iteration and evaluation processes
- Rapid prototyping hardware for easier evaluations
One audio development platform
for all architectures, vehicle segments, and brands
Distributed Architecture Approach
• Hardware and software combined
• Processing on specialized ICs, SoCs, or running on multicores
Highly Integrated
Audio Processing
• Hardware and software decoupled
• Domain controller architecture on one high computing platform
• Compatible with the software-defined vehicle
Speaker Processing
- • Complete multi-channel playback
- • Source selection, source processing, stereo or multichannel source support
- • Entertainment and infotainment audio mixing and ducking
- • Speed-dependent volume control
- • Multichannel speaker EQ, delay, compressor/limiter
- • CAN message input control capabilities


Sound Design
An Audio Weaver module pack made to craft and tune sound enhancements
- • AVAS (Acoustic Vehicle Alert System)
- Pedestrian warning system with FuSa (Functional Safety) requirements
- • ESS (Engine Sound Synthesis)
- External sound designed to augment combustion engine noise
- External sound designed to augment combustion engine noise
- • Welcome Sound
- Played back from exterior or interior speakers
- • ISE (Interior Sound Enhancement)
- Designed to augment combustion engine sound or create soundscapes for electric vehicles
- • ESE (Exterior Sound Enhancement)
- Exterior sounds other than AVAS
- • Interior Chimes and Alerts
Automotive Voice
Design Flexibility
• Microphone topologies
• Microphone array positions
• Number of users
• User scenarios
Development Benefits
• Build out and launch unique and innovative voice applications rather than using a supplier black box
• Run voice solutions on DSPs as well as Cortex A processors
• Use existing microphones for concurrent use cases
• Audio Weaver concurrent speaker and microphone processing
TalkTogether:
Voice Communications
Essential: Front Seating
• Supports single mic and mic array layouts with noise reduction
and doubletalk performance with mono playback
Advanced: Whole Cabin
• Supports multi-mic arrays or per seat mics with adjacent talker
cancellation, advanced noise reduction, and upgraded doubletalk
performance with mono playback
Optional Upgrades Available
TalkTo:
Voice Control
Essential: Front Seating
• Supports single mic and mic array layouts with noise reduction,
Adaptive Interference Cancellation and stereo playback
Advanced: Whole Cabin
• Supports multi-mic arrays or per seat mics with noise reduction,
Seat ID, Adaptive Interference Cancellation, and multichannel playback
Industry Ecosystem Support
Smartphone
Mirroring
Pre-certified
Embedded Voice
Communication
• Alexa ACM
• ITU P.1110/1120
Voice Assistants
Support
Supported Voice Assistants
Automotive Verification Center
Dedicated Automotive Lab in Silicon Valley for precision testing and tuning of automotive voice solutions
• Head Acoustics ACQUA/VoCAS/3-Pass Flex system for detailed test analysis
and performance tuning of voice control and voice communications solutions
in clean, noise, and music conditions.
• Customized test vehicle providing system connectivity with
head unit and OEM audio system in addition to dedicated background noise
reproduction system.
• Mobile equipment rig for data collection and tuning.

RAPID Automotive Kit
A Rapid Audio Prototyping Device (RAPID)
The complete design and evaluation system for Automotive Voice

Automotive Tuning Tools
Automotive Tuning Suite

Acoustic Signature Analyzer
Measure the acoustical fingerprint of a vehicle
• Browse and evaluate measurements as impulse or frequency response or in a waterfall diagram
• Measurements can be shown for all seats and microphone positions

Tuning Filter Designer
Computer-aided filter design and optimization
• Set channel and global target curves
• Automatically calculate correction parameters
• Set parameters to optimize system performance for vehicle characteristics

Precision Mastering Tool
Real-time sound tuning and listening test tool
• Manage vehicle prototyping and acoustic system comparisons
• Complete final tuning by listening
AWE Tune

System tuning of the entire audio flow including presets
• One application to tune multiple car lines
• Tune with target hardware or in standalone mode
• Easy to adapt to audio flow changes
IC Optimizations and Reference Designs

NXP Mercury SoC with
AWE Tune
• Next generation, single-chip software defined radio (SDR) system solution
• Audio Weaver modules provide complete audio configuration and tuning for NXP SAF400X series processors
• Full support for EPICS programmable DSP cores within Audio Weaver
• Pre-configured signal flow available, for a turnkey audio design utilizing the AWE Tune GUI

Samsung Exynos HiFi 4
Enablement
• Tensilica® HiFi 4 DSP provides 32-bit fixed and floating-point performance for demanding
automotive applications
• Easily integrate DSP Concepts’ TalkTo voice control and TalkTogether voice communication solutions
• Support for low-latency road noise cancellation (RNC), in-car communications (ICC), and engine sound synthesis (ESS) use cases
• Compatibility with Linux or Android systems
Analog Devices Processors with
SHARC+® DSP Cores
• ADSP product families available with single- or
dual-SHARC+ DSP Core floating point processors for flexible audio connectivity and performance scalability
• Optimized Audio Weaver embedded libraries
leverage the powerful SHARC+ DSP FIR/IIR
hardware accelerators
• Incorporates Analog Devices’ statistics functions and hand-optimized DSP libraries
• Powerful DMA system with innovative digital audio interfaces and internal buses