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Cadence Introduces the Tensilica HiFi 5 DSP, the First DSP Optimized for AI Speech and Audio Processing

HiFi 5 DSP delivers up to 4X improvement on neural network-based speech recognition algorithms

SAN JOSE, Calif., 31 Oct 2018 -- Cadence Design Systems, Inc. (NASDAQ: CDNS) today announced the Cadence® Tensilica® HiFi 5 DSP for audio and voice, the first IP core optimized for high-performance far-field processing and artificial intelligence (AI)-based speech recognition processing. This fifth-generation HiFi DSP offers 2X audio processing and 4X neural network (NN) processing improvements versus the HiFi 4 DSP, making it ideal for voice-controlled user interfaces in digital home assistants and automotive infotainment.

For more information, visit www.cadence.com/go/hifi5.

Following the popularity of digital home assistants, voice-controlled user interfaces are increasingly important to manufacturers of innovative consumer products. Advanced DSP algorithms are rapidly evolving to eliminate noise and isolate the speakers’ voice for increased understanding, requiring higher processing capabilities and improved energy efficiency. Additionally, NN-based speech recognition algorithms are performing more tasks locally, rather than in the cloud, due to concerns of latency, privacy and network availability.

“To meet the extremely difficult challenge of bringing computationally intensive NN-based far-field processing and speech recognition algorithms to energy-sensitive devices, Ambiq Micro chose to be the first silicon licensee of Cadence’s HiFi 5 DSP”, said Aaron Grassian, vice president of marketing, Ambiq Micro. “Porting the HiFi 5 DSP to Ambiq Micro’s Subthreshold Power Optimized Technology (SPOT) platform enables product designers, ODMs and OEMs to take the most advantage of technology from audio software leaders like DSP Concepts and Sensory by adding voice assistant integration, command and control, and conversational UIs to portable, mobile products without sacrificing quality or battery life.”

Key features of the HiFi 5 DSP include:

“The dramatic rise in popularity of digital home assistants that feature compelling voice UI experiences has sparked a new wave of innovation in far-field processing algorithms and in neural network-based speech recognition,” stated Larry Przywara, group director of marketing, Tensilica audio/voice IP at Cadence. “The HiFi 5 DSP addresses both of these high-performance compute concerns with improved floating- and fixed-point DSP capabilities and native support for new data types, saving memory and power. The HiFi 5 DSP maintains code compatibility with the existing HiFi DSP product line, which means a large ecosystem of audio software is already available.”

Partner/Analyst Quotes

“AI processing at the edge is a reality in today’s digital home appliance market,” stated Mike Demler, Senior Analyst at The Linley Group. “Due to consumer demands for lower latency, increased privacy and more natural voice UI interactions, the processing work load on device is increasing rapidly. The HiFi 5 DSP offers the performance needed to handle front-end processing including echo cancellation and noise-reduction tasks, and its new 32-MAC/cycle neural-network engine with native support for smaller weight sizes offers an efficient solution for running complex speech-recognition algorithms.”

“An interesting challenge for OEMs is the demand to incorporate new DSP-intensive audio features, while at the same time supporting shorter and shorter development schedules,” said Paul Beckmann, Chief Technology Officer, DSP Concepts. “To meet both of those competing demands, product makers can choose powerful processing cores like the HiFi 5 DSP with its 2X improvement in floating-point performance, and then rapidly build out their audio features with graphical configuration tools like Audio Weaver Designer. Without both capabilities—modern silicon and modern development tools—it's really tough to keep pace.”

About Cadence

Cadence enables electronic systems and semiconductor companies to create the innovative end products that are transforming the way people live, work and play. Cadence® software, hardware and semiconductor IP are used by customers to deliver products to market faster. The company’s System Design Enablement strategy helps customers develop differentiated products—from chips to boards to systems—in mobile, consumer, cloud datacenter, automotive, aerospace, IoT, industrial and other market segments. Cadence is listed as one of Fortune Magazine's 100 Best Companies to Work For. Learn more at www.cadence.com.

Cadence Introduces the Tensilica HiFi 5 DSP, the First DSP Optimized for AI Speech and Audio Processing


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