Signal Processing Applications

White Paper

Despite the rise in popularity of wireless networks, wired serial networks like RS-485 continue to provide the most robust, reliable communication, especially in harsh environments. These well-engineered networks provide effective communication in industrial and building automation applications, which require immunity from noise, electrostatic discharge and voltage faults, all resulting in increased uptime. This tutorial reviews the RS-485 protocol and discusses why it is widely used in industrial applications and the common problems it solves. [Continue reading →]

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Real-world testing of the embedded control systems found in vehicles can be complex, expensive, and hazardous. HIL simulation lets engineers thoroughly and efficiently test embedded devices in a virtual environment.[Continue reading →]

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With the RTO-K17/RTE-K17 High Definition Option the user will see more signal details with up to 16 bit vertical resolution. In combination with the superior analog front end of the RTO and RTE, the user has a versatile instrument in his hands to analyze a wide range of applications. From Switch Mode Power Supplies to Radar RF, the user can inspect all with one scope.[Continue reading →]

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The integration of standard system simulation description languages, model-order reduction methods, and embedded software development tools into ANSYS(r) Simplorer(r) has resulted in a complete model-based development environment in which embedded software and hardware engineers can design and verify a system concurrently and in a collaborative process.[Continue reading →]

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Latest 3GPP VoLTE codec offers superb voice clarity and audio quality, requiring substantially higher DSP performance; Implementation for the CEVA-TeakLite family of DSPs offers best power and performance solution for smartphones and other mobile computing devices[Continue reading →]

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Munich/Langen – Spansion Inc. (NYSE: CODE), a global leader in embedded system solutions, today expanded its presence in industrial, consumer and home appliances with two new ARM® Cortex®-M4-based microcontroller offerings: the Spansion® FM4 S6E2DH series with an integrated graphics display controller and the S6E2CCxxF/MB9BF568F series with self-contained voice command control.

“These new product families deliver tremendous value and flexibility, enabling customers to design intuitive next generation human machine interface (HMI) systems,” said Dhiraj Handa, senior vice president and general manager of Spansion’s multi-market microcontroller business. “As the Internet of Things (IoT) appliances become more pervasive, Spansion’s rich history of delivering MCUs, flash and energy harvesting advancements further solidifies the company as a leader in this market.” [Continue reading →]

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Developing in-vehicle embedded applications is a safety, security, and quality challenge. Given that cars and trucks are increasingly connected to each other and to the devices around them, it's becoming harder and harder to ensure that software is functional and free from risk. Development teams, especially the managers who are ultimately responsible, face incredible challenges when building such applications, and are learning that team members need to do more than just catch code defects during verification and validation testing. The new imperative: Identify and address security and compliance concerns earlier in the lifecycle, all while delivering innovative and differentiating features.

Security compliance, safety compliance, and defect reduction are huge goals, not only for meeting a product's technical requirements, costs, and deadlines, but also for keeping people safe. This has never been truer than with today's increasingly software-based cars and trucks, and with the increased threat profile due to radio-based interconnectivity and sophisticated in-vehicle apps. Lean how these embedded development solutions can help improve code quality, safety, and compliance throughout the development lifecycle, from architecture to coding, and testing to deployment. [Continue reading →]

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SANTA CLARA, Calif. Linley Mobile Conference -- CEVA, Inc. (NASDAQ: CEVA), the leading licensor of silicon intellectual property (SIP) platform solutions and DSP cores today announced that the CEVA-TeakLite-4 DSP is now handling the processing load of Bluetooth, in addition to audio, voice and sensing technologies, thereby dramatically lowering the cost, complexity and power consumption of chip designs targeting smartphones, the Internet of Things (IoT), wearables and wireless audio devices. Leveraging new instructions and interfaces added to the recently introduced multifunctional CEVA-TeakLite-4 v2 architecture, the DSP now runs CEVA-Bluetooth connectivity (Classic or Low Energy) in addition to a broad range of audio and voice software packages, 'always-on' user interface (UI) functions such as voice triggering and face activation, and a full suite of sensor-fusion capabilities, all on a single core. CEVA is presenting this multifunctional DSP today at the Linley Mobile Conference, in Santa Clara, California.

The Internet of Things comprises a multitude of devices, technologies and form factors, with many use cases and requirements. The CEVA-TeakLite-4 specifically targets user-centric IoT devices, where natural user interface, audio playback and voice communication represent key attributes of the device. This can include for example, voice activation, face triggering and other 'always-on' functionality in a smartphone, smart watch, smart home controller or wireless speakers. The ultra-low power nature of the CEVA-TeakLite-4 DSP ensures that these 'always-on' features consume minimal battery life. All of this functionality can run concurrently on the DSP without the need for a host CPU, reducing the die size and lowering power consumption of the overall device. Illustrating this, a real-life use case implementing Bluetooth Low Energy, always-on UI and sensor fusion on the CEVA-TeakLite-4 DSP requires less than 150K gates and consumes less than 150uW when implemented in a 28nm process.[Continue reading →]

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HALO products provide next generation, low power, real-time, video processing at the source for image-based surveillance in defence and security and industrial applications. Furthermore, HALO-based products are not restricted by American ITAR export regulations as they are designed and manufactured in the UK. This means that they can be used anywhere in the world.[Continue reading →]

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Eindhoven, the Netherlands, September 5th – NXP Software, a world leader in mobile multimedia software, today announced that ZTE, a leading global provider of telecommunications equipment, will incorporate LifeVibes VoiceExperience software on their Qualcomm-based phones. This agreement leverages the participation of ZTE and NXP Software in Qualcomm’s Hexagon Access Program.

LifeVibes VoiceExperience is building on NXP Software’s acoustical expertise. It enhances the end-user experience with excellent noise suppression and echo cancellation, delivers HD Voice quality of speech, and ensures intelligibility in noisy environments.[Continue reading →]

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The Symmetricom(r) SA.45s Chip Scale Atomic Clock (CSAC) is designed for field applications where atomic clocks typically have not been deployed before. It is smaller, lighter and uses less power than any previous atomic clock and is engineered to withstand higher levels of shock and vibration. This paper summarizes a series of mechanical shock and vibration tests to confirm the CSAC's hardware environmental performance. [Continue reading →]

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Cicoil's Flexx-Sil(tm) Flat Cables provide reliability and cold temperature (-65°C) flexibility in Cryogenic equipment applications. In addition, these Class 1 Clean Room Rated cables are 100% contaminant free, exceed the outgassing requirements of ASTM E-595 and are well suited for use in vacuum environments.[Continue reading →]

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The need for higher power density in today's electronic systems combined with higher overall efficiency has driven many changes in the Non-isolated Point-of-Load Regulator (niPOL). In an effort to improve overall system efficiency, designers are opting to avoid multiple conversion stages to get to the regulated point-of-load voltage they need. This means that the niPOL is operated at higher input voltages with higher conversion ratios than ever before. Despite this fact, the niPOL is expected to maintain the highest efficiency and still continue to shrink the total size of the power solution. There is also the added expectation that with all other performance increases that power demand from the niPOL also further increases.[Continue reading →]

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This application note along with its corresponding white paper 1MA207 show how to use the Rohde and Schwarz radar product portfolio to tackle test and measurement tasks in modern radar technology. Target groups are students who want to become familiar with radar issues as well as radar professionals who want to solve certain test and measurement tasks.[Continue reading →]

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CML Microcircuits (www.cmlmicro.com), a leader in the design, development and supply of low-power analogue, digital and mixed-signal telecommunication semiconductors, has expanded its DuraTALK digital voice processor range with the release of a new professional radio low bit-rate 2.4Kbps vocoder.[Continue reading →]

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Cicoil's exclusive shock absorbing silicone encapsulation needs no external conduit for protection, retains flexibility and will not deform, wear or crack due to long term exposure to intense cold environments. In addition, the ultra-durable silicone is "self-healing" from small punctures and cable jacket damage can easily be repaired in the field.[Continue reading →]

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Plymouth Meeting, PA, July 31, 2012 – With new models of Android-based mobile handsets and tablets being introduced seemingly on a daily basis, the task of developing reliable, universal, model-independent Voice over IP (VoIP) applications (apps) lies somewhere between daunting and nearly impossible. Adaptive Digital Technologies’ (Adaptive Digital) VoIP Engine, equipped with a self-training acoustic canceller, is about to change that.

Developers of Android applications must consider the many models of devices both currently on the market as well as future product releases when designing their application in order for the app to work well on as many models as possible. In the case when VoIP functionality is part of the application, where voice quality and acoustic echo cancellation (AEC) is of paramount importance, developing an app that works across multiple devices is much trickier. Manually fine tuning the app to each individual model is an unending exercise in futility, leaving you the developer with the task of predicting which devices will bring in the most revenue. [Continue reading →]

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Toronto, Canada -- (July 18, 2012) – Independent Community Pharmacies, which combined fill some 1.5 billion prescriptions per year, have found a new way to implement an environment that places them on par with large chain operations, meets customer expectations, and doesn’t break the bank. Over 150 of these independent retailers have deployed TalkRx, an innovative solution from South Carolina-based VOW, Inc., which not only delivers a highly flexible Integrated Voice Response (IVR) platform, but also integrates with other pharmacy systems to help streamline processes and improve efficiency.

“Our customers are not IT or telecom specialists. They need a cost-competitive solution that works right out of the box and provides the level of convenience and quality that most consumers have come to expect from a retail pharmacy,” noted VOW’s president and chief executive officer, Chip Simmons. “The Sangoma telephony boards integrated into TalkRx not only provide connection to the public telephone network, they also deliver an unmatched level of reliability that helps ensure system stability, as well as delivering extremely clear voice quality to the users.”[Continue reading →]

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Toronto, Canada -- Sangoma Technologies Corporation (TSX VENTURE:STC), a leading provider of hardware and software components that enable or enhance IP Communications Systems for both voice and data, announced that it has commenced commercial shipments of its A116 16-Span Digital Telephony Interface Board. The A116 provides unmatched density of full duplex digital telephony spans in a single board delivering the highest density available in the industry.

“We have seen tremendous interest from markets around the world, and have booked orders for our entire first production run in the two short weeks since announcing the A116,”said Doug Vilim, vice president of worldwide sales for Sangoma. “Sangoma initially led the market with its 8-Span full-duplex board three years ago, and we are taking capacity to the next level with a 16-Span product while others are just now catching up to the 8-Span benchmark.”[Continue reading →]

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Even under extensive tight bending and high speed flexing, Cicoil's exclusive crystal-clear silicone encapsulation will not wear, tear or deform during a lifetime of more than 10 million cycles.[Continue reading →]

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MIC-5603 Advantech (TWSE: 2395.TW), a global manufacturer of network computing blades and multicore processor platforms, today announced two major product enhancements based on the 3rd generation Intel® Core™ i7 processors. Upgrades to the company’s field-proven MIC-5603 AdvancedMC™ and MIC-3395 6U CompactPCI® single board computer give OEMs additional competitive advantage through the performance improvements, power efficiency and scalability of the 3rd generation Intel® Core™ processor family.

Both blades target applications where media or vector processing, network offload performance, and computation intensive tasks are required. For example, the evolution of the Intel® Core™ i7 processor’s integrated graphics processor translates to a significant increase in transcoding performance over the second generation, making systems based on MIC-5603’s and the Intel® Media SDK 2012 ideal for high-definition 1080p video transcoding, acceleration and broadcasting. [Continue reading →]

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Toronto, Canada -- Sangoma Technologies Corporation (TSX VENTURE:STC), a leading provider of hardware and software components that enable or enhance IP Communications Systems for both voice and data, announced the release of its A116 16-Span Digital Telephony Interface Board. Designed for simple integration with open source projects, including Asterisk and FreeSWITCH, as well as other open source and proprietary PBX, Switch, IVR and VoIP Gateway applications, the A116 provides unmatched density of full duplex span interfaces in a single PCI Express compliant board.

“The continuous increase in processor speed and capacity in server CPUs are challenging solution developers to compress more interfaces and capabilities into a single server to take advantage of the processor power and maximize system efficiency,” said Julien Nephtali, Sangoma product manager. “The Sangoma A116 is the only solution in the market that supports 16 spans in a single board that occupies just one slot in the server. Doubling the capacity of a single board really opens up new avenues for innovation and design flexibility.”[Continue reading →]

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As markets gain momentum, the biggest challenge for many original equipment manufacturer (OEM) design teams is meeting tight product development timelines with smaller internal teams. This paper looks at ways to leverage readily available industry resources to reduce design, prototyping and debug time.

This paper highlights 10 areas on which to focus for trouble-free prototyping and cites useful blogs and additional white papers.[Continue reading →]

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Toronto, Canada -- Sangoma Technologies Corporation (TSX VENTURE:STC), a leading provider of hardware and software components that enable or enhance IP Communications Systems for both voice and data, announced that commercial shipments of its highly-anticipated Vega 400 SBC standalone Session Border Controller (SBC) appliance commenced today. The solution is designed to provide seamless connectivity between Voice over IP (VoIP) networks and SIP Trunking connections, while delivering security and policy enforcement to ensure call quality and reliability.

“The Vega 400 SBC squarely addresses the need for SIP Trunking and IP network interconnectivity that is becoming increasingly critical to the fundamental security and operation of business communications networks,” said Simon Horton, director of product management for Sangoma. “It is designed to be a cost-effective, reliable solution for customers that must contend with the policy and security issues that routinely come up when integrating disparate IP infrastructures. The appliance supports from 12 to 60 simultaneous SIP sessions, making the Vega 400 SBC an excellent fit for any deployment.”[Continue reading →]

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Toronto, Canada -- Sangoma Technologies Corporation (TSX VENTURE:STC), a leading provider of hardware and software components that enable or enhance IP Communications Systems for both voice and data, announced the release of its B500 Basic Rate Interface (BRI) Telephony Interface Board. Designed for simple integration with open source projects, including Asterisk and FreeSWITCH, as well as other open source and proprietary PBX, Switch, IVR and VoIP Gateway applications, the B500 provides solution provides developers with an efficient and cost-effective connectivity solution.

“Many small- and medium-businesses worldwide use ISDN BRI for PSTN connectivity. For developers looking to create innovative products for this significant market, ease of integration, flexibility, and reliability of interface boards are critical to success,” said Julien Nephtali, Sangoma product manager. “Sangoma’s B500 BRI Telephony Interface board is software-configurable, providing developers with a broad palette of connectivity choices that make it easy to create powerful and compelling telecom products and services.”[Continue reading →]

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Toronto, Canada -- Sangoma Technologies Corporation (TSX VENTURE:STC), a leading provider of hardware and software components that enable or enhance IP Communications Systems for both voice and data, today announced the release of its Vega 400 SBC stand-alone Session Border Controller (SBC) appliance,. The solution is designed to provide seamless connectivity between Voice over IP (VoIP) networks and SIP Trunking connections, while delivering security and policy enforcement to ensure call quality and reliability.

“Businesses of every size rely on VoIP communications, and there is a growing demand among customers for cost-effective solutions that address the potential exposure of network vulnerabilities at inter-network junctures, such as connections to SIP trunking services,” said Simon Horton, director of product management for Sangoma. “The field-proven reliability and ease-of-use inherent in the Vega Series extends to this new SBC device. It not only seamlessly and securely connects the business to the SIP trunking network, but also uses Vega’s popular “quick-config” feature, which greatly simplifies the entire installation process.”[Continue reading →]

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The data busses in aircraft and spacecraft require very high quality in transmission and reception since proper communication of commands and data are crucial to operation. The ARINC 429 standard used predominately in commercial aircraft and the MIL-STD-1553 bus used in military avionics and space vehicles (military and commercial) have some common characteristics as well as important differences. This paper will give useful examples of how to view, test and troubleshoot these busses using digital oscilloscopes.[Continue reading →]

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Low speed serial bus validation requires more than simple voltage verses time measurements. LeCroy oscilloscopes have the ability to use a wide range of triggering, analysis and decode capabilities to bring increased confidence to the validation process. This article will cover methods to capture, view, decode and debug a variety of low speed serial data protocols including RS232, generic UARTs, I2C, CAN, Flexray, LIN, ARINC 429, MIL-STD-1553, MIPI DPHY, DigRF 3G, DigRF v4 and Audio applications (I2S, LJ, RJ and TDM).[Continue reading →]

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This white paper describes several aspects of power related to the Xilinx(r) 28 nm 7 series FPGAs, including the TSMC 28 nm high-k metal gate (HKMG), high performance, low power (28 nm HPL or 28 HPL) process choice. The power benefits afforded by the 28 HPL process and its usefulness across Xilinx's full product offerings is described as well as the architectural innovations and features for power reduction across the dimensions of static power, dynamic power, and I/O power.[Continue reading →]

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Industry dynamics are driving seemingly insatiable demand for higher bandwidth and higher system-level performance while facing more stringent mandatory requirements to reduce power consumption. At the same time, competitive pressures are forcing customers to increase productivity without sacrificing innovation and differentiation. To meet these demands, Xilinx(r) 7 series FPGAs leverage the unprecedented power, performance, and capacity enabled by TSMC's 28 nm high-k metal gate (HKMG), high performance, low power (HPL) process technology and the unparalleled scalability afforded by the FPGA industry's first unified silicon architecture to provide a comprehensive platform base for next-generation systems.[Continue reading →]

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Cicoil's proprietary silicone cable is naturally more flexible than round PVC or stiffer flat PTFE cables, which allows for a tighter bend radius, weight/space savings, greater current carrying capacity, noise reduction and longer flex life.[Continue reading →]

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GAO Research Inc. (www.GAOResearch.com) is a world-renowned provider of high quality, reliable telecommunications software including embedded modem software, fax modem software, speech codes, and telephony software for a wide range of DSPs and microprocessors.[Continue reading →]

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Kintex(TM)-7 FPGA System Integration for Display. Xilinx is the worldwide leader of programmable logic solutions. SAN JOSE, Calif., Jan. 5, 2012 -- Xilinx, Inc. (NASDAQ: XLNX) today introduced new 28nm Kintex™-7 Field Programmable Gate Array (FPGA)-based targeted reference designs and a new development baseboard for accelerating the development of next-generation, 3D and 4K2K display technologies aimed at giving consumers a rich, immersive experience. At next week's 2012 International CES, the world's largest consumer electronics tradeshow, attendees can visit Xilinx in suite #MP25556 in the Las Vegas Convention Center to see a demonstration of these development resources that consists of 4K2K Mosaic and HDTV-to-4K2K up-converter targeted reference designs and the new ACDC (Acquisition, Contribution, Distribution and Consumption) 1.0 Baseboard using Kintex-7 FPGAs, all jointly developed with Premier Xilinx Alliance Program member Tokyo Electron Device Ltd. (TED).

"As one of the providers of IP, development kits, and design services to Xilinx customers, Tokyo Electron Device is pleased to collaborate with Xilinx for next generation display technologies and strongly believes that our Kintex-7 FPGA baseboard under the 'inrevium' brand will contribute to improve the development process," said Yasuo Hatsumi, Vice President of Solution Business.[Continue reading →]

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Marvell's new revolutionary ARMADA-based "Foresight Platform" powers new Google TV, offers best of television and multimedia experience for the new generation of Smart TVs, set-top boxes, Blu-ray players, and beyond[Continue reading →]

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TeamSpirit 3.2.2 Adds Support for HD Multipoint Voice and Video Calling to Dozens of New Mobile Devices, Patent Free Video Codecs, Expanded SDKs for Easy Integration and Faster Time to Market, Increased Performance and Functionality for End Users, and More[Continue reading →]

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Toronto, Canada - GAO Research Inc. (www.GAOResearch.com) is offering its G.165 line echo cancellation (LEC) software used in long distance voice communication especially in links involving satellite networks and intercontinental long-haul circuits.

This G.165 line echo cancellation software features double-talk detection which avoids divergence during double talk. It cancels electrical line echoes caused by 2-to-4 wire conversion hybrids in telephone lines. The line echo canceller is also designed for integration with other software modules from GAO such as our DTMF Encoder/Decoder to enhance performance.[Continue reading →]

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Toronto, Canada - GAO Research Inc. (www.GAOResearch.com) is offering its multi-frequency (MF) R1/R2 software with highly optimized assembly or C implementation. It is fully compliant with the ITU-T Recommendations Q.320, Q.322, Q.323, and Q.441 for multi-frequency signal receiving equipment. This MF R1/R2 software[Continue reading →]

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MOSCOW, Russia – Nov. 17, 2011 – SPIRIT DSP, the world's top voice and video over IP engines provider, today announced availability of TeamSpirit® Voice&Video Engine Tablet for iOS and Android tablet devices. TeamSpirit Tablet turns any tablet computer into a high quality HD, multipoint videoconferencing endpoint. The software development kit (SDK) allows service providers, application developers and device manufacturers to quickly launch voice and video calling services for today's hundreds of millions of tablet computer users.

TeamSpirit Tablet is a complete communications client-side voice and video engine, specifically adopted for tablets with 7 to 12 inch screen sizes, touch screen user interfaces and all available types of Internet connection support. TeamSpirit Tablet is designed to deliver high quality, hands-free audio using SPIRIT's IP-MRTM (IP Multi Rate), wideband, scalable and error-resilient voice codec (IETF RFC 6262) and H.264 scalable HD video (up to 720p HD resolution) on the most popular iOS and Android-based tablet computers. [Continue reading →]

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1 November 2011, London – Premier Farnell plc (LSE:pfl), the multi-channel electronics distributor announces a global franchise distribution agreement with Fox Electronics, a leading specialist in the design and supply of frequency controllers.

Customers of Premier Farnell’s operating businesses of Farnell, Newark/element14 and element14 will now have global access to Fox Electronics’ full line of crystals, oscillators, TCXOs, VCXOs and Fox’s XpressO Crystal Oscillator, which has been classed as a breakthrough in configurable Frequency Control Solutions. XpressO utilises a family of proprietary ASICs, designed and developed with a key focus on noise reduction technologies. XpressOs XOs & VCXOs come in various packages and voltages and are configurable with custom frequencies from 0.75MHz to 1350 MHz with extremely low jitter. [Continue reading →]

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Military and aerospace system developers have one overarching mission: To bring their products to market in the most efficient manner possible. System developers can use COTS rugged systems to boost their technology, manufacturing readiness levels.[Continue reading →]

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Kineto Wireless, a key innovator and leading supplier of Smart Wi-Fi solutions for mobile operators, and Imagination Technologies, a leading multimedia and communications technologies company, announce that Kineto has licensed Imagination's HelloSoft Acoustic Echo Cancellation (AEC) and Noise Cancellation (NC) technologies.[Continue reading →]

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Wolfson Microelectronics plc announces that it has signed a binding agreement, subject to certain customary closing conditions, to acquire the entire issued share capital of Australian-based software solutions company, Dynamic Hearing PTY Ltd for a consideration of up to AUD 5.0m (USD 5.2m), payable in cash.[Continue reading →]

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Adaptive Digital Technologies releases the newest version of AnVoice software, a VoIP Engine for Android. AnVoice is a software package that provides all of the voice processing necessary to VoIP-enable an Android application. This newest version includes enhanced voice quality features such as G.722 (wideband audio) with packet loss concealment and dynamic jitter buffer. AnVoice works in a wide variety of Android-based handsets, such as DROID(tm) by Motorola, Nexus One(tm) (HTC), and Samsung Galaxy.[Continue reading →]

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NEWPORT BEACH, Calif.-- Conexant Systems, Inc., a leading supplier of innovative semiconductor solutions for imaging, audio, embedded modem, and video surveillance applications, today announced the CX20708, the world’s first super wideband (SWB) voice input processor system-on-chip (SoC). The new single chip solution is targeted to home telepresence and speech recognition applications and is ideally suited for next generation Smart TV and video game console applications.

The highly integrated chip features SWB voice processing algorithms that deliver a crisp, clear, full duplex, low latency audio experience. In addition, the CX20708 is a “Skype TV Certified” audio component, which ensures that the new chip meets Skype’s stringent performance and quality specifications including high speech-to-noise ratio, Mean Opinion Score (MOS) for natural voice, and long distance voice pick-up of up to five meters in distance.[Continue reading →]

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An increasing number of ASIC and FPGA designs are accelerating algorithms and applications directly in hardware (HW) circuits. These HW accelerator cores have become commonplace and are now a key part of product differentiation and the ability to meet market expectations in performance, cost and reliability.[Continue reading →]

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The design and development time for hardware, software and systems is painfully short. A comprehensive design and verification methodology is required to meet the tight development schedule while satisfying or exceeding performance criteria.[Continue reading →]

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Markets for high-speed A/D converters are significant in size and many are growing rapidly. Commercial users include wireless mobile communication systems, airline radar, air traffic control towers, ship communications, and wireless networks. Industrial uses include medical imaging systems and process control systems. Government is another significant user: military radar, global military radio networks, unmanned aerial vehicles, and intelligence gathering systems.[Continue reading →]

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David argues that an embedded open-architecture audio processor can hit the below 1 mW active power consumption mark.Typical audio transceivers now involve more sophisticated solutions, and demand for audio processors has never been higher. This stems partly from the popularity of convenient communication devices, such as mobile phones or even laptop computers using VoIP, and from the demand for clear communication free of echo and noise in all environments. Such communication quality is only possible thanks to the implementation of increasingly complex DSP algorithms that can improve audio performance under increasingly diverse and challenging conditions.

At the same time, design engineers have less freedom when it comes it to the amount of available system power and board space. As a result, the need to implement more complex digital audio processing solutions that consume less power and require less physical space is driving the development of audio processing techniques in general and embedded DSP-based solutions in particular. [Continue reading →]

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