Combination of Advanced Software and Tuner ICs Provides Complete
Audio Post-Processing Solution for Car Radio Systems
AUSTIN, Texas--(BUSINESS WIRE)--
Silicon
Labs (NASDAQ: SLAB) has introduced new audio software products that
give automotive radio developers greater flexibility to incorporate
advanced audio post-processing algorithms in Silicon Labs' Global Eagle
Si47911/12 radio ICs with audio system devices. The new software
products make it easy and cost-effective for developers to implement
audio post-processing functions such as tone control, cabin equalization
and chime generation using the Si47911/12 ICs' integrated Tensilica HiFi
EP DSP. Developers can use Silicon Labs' development tools to port their
proprietary audio algorithms, design custom audio processing flows using
Silicon Labs' library of audio functions, or combine their audio
algorithms with Silicon Labs' audio post-processing functions.
For details about Silicon Labs' audio post-processing software and
development tools for the Global Eagle Si47911/12 automotive audio
system family, visit www.silabs.com/globaleagle.
According to IHS Markit, global light vehicle sales will reach nearly 90
million units this year. Many of these vehicles will feature
sophisticated automotive infotainment systems with multiple tuner ICs
and antennas to support FM phase diversity reception, Radio Data System
(RDS), and digital radio standards such as HD Radio™ and Digital Audio
Broadcast (DAB). The combination of Silicon Labs' new audio software
products and Global Eagle tuner ICs addresses the global demand for
advanced car radio technology by supporting all worldwide broadcast
radio bands while enabling flexible and powerful approaches to audio
post-processing.
"Automotive OEMs are demanding ever-higher audio performance at a lower
system cost while consumers expect CD-quality audio from their car
radios," said Brian Mirkin, General Manager of broadcast products at
Silicon Labs. "Silicon Labs is addressing this need for higher quality
audio at lower cost by providing new software products that work in
harmony with our Global Eagle audio system ICs. This hardware/software
combination provides the utmost in design flexibility while enabling a
state-of-the-art automotive listening experience."
Silicon Labs' fixed-function audio software
provides a complete audio post-processing solution for all analog and
digital audio functions in the automotive radio head unit. The audio
software includes an extensive set of user-programmable parameters that
enable developers to configure the audio post-processing algorithms for
different car models. The software supports the following features:
-
Three independent audio post-processing paths:
-
Main cabin: 4-channel or 6-channel audio
-
Auxiliary: 2-channel audio (for rear seat headphones)
-
Voice: audio processing for two microphone inputs
-
Two tone sequence generators
-
Two wave generators played from internal memory
Audio software development kit (SDK)
The SDK enables developers to port their audio algorithms to the Global
Eagle Si47911/12 audio system and unlock the capabilities of the audio
DSP. The SDK includes the following:
-
Development board with software tools for real-time debugging
-
A library of building blocks that can be used by the developer's
algorithms
-
An encryption utility that secures the audio processing IP
Silicon Labs Audio Topology Editor (SLATE)
SLATE is a graphical editor running in MathWorks' Simulink® environment
that enables developers to design a custom audio processing flow using
Silicon Labs' library of software modules. SLATE also enables developers
to reuse and modify the Silicon Labs audio design used in the
fixed-function audio processing. Together, SLATE and the audio SDK
enable developers to combine their own algorithms with Silicon Labs'
audio processing blocks to create new audio processing topologies. The
SDK enables developers to port their IP to the audio DSP and format the
new IP as a SLATE module, which can then be easily manipulated in SLATE
to make powerful and complex audio processing development easy and fast.
Silicon Labs introduced its first RF-in-CMOS broadcast audio IC products
nearly 12 years ago. These single-chip solutions redefined how AM/FM
tuner ICs were designed into consumer electronics products by reducing
component count by more than 90 percent and board space by more than 60
percent. To date, Silicon Labs has shipped more than 1.3 billion
"radio-on-a-chip" ICs, culminating with the Global Eagle family, the
industry's most advanced automotive radio system solution. Global Eagle
designs can scale from low-cost, single-tuner AM/FM radios to
high-performance systems with multiple tuners and antennas, enabling
radio suppliers to leverage their R&D across multiple product lines, all
with a common software API.
Audio Software Availability
Silicon Labs' audio software products for the Global Eagle Si47911/12
tuner IC family are available now to automotive radio suppliers through
a software licensing agreement. Contact your local Silicon Labs sales
representative or an authorized distributor. For additional information,
visit www.silabs.com/globaleagle.
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Silicon Labs
Silicon Labs (NASDAQ: SLAB) is a leading provider of silicon, software
and solutions for the Internet of Things, Internet infrastructure,
industrial automation, consumer and automotive markets. We solve the
electronics industry's toughest problems, providing customers with
significant advantages in performance, energy savings, connectivity and
design simplicity. Backed by our world-class engineering teams with
unsurpassed software and mixed-signal design expertise, Silicon Labs
empowers developers with the tools and technologies they need to advance
quickly and easily from initial idea to final product. www.silabs.com
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Silicon Labs
Dale Weisman, +1-512-532-5871
dale.weisman@silabs.com
Source: Silicon Labs
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