Plantronics has long been a pioneer in the field of audio communications. According to reports, its success is largely driven by Dialog Semiconductor's advanced audio and connectivity chipsets. This partnership allows Plantronics to test various frequency options across different regions, ensuring the best possible performance for each market.
For over a decade, Plantronics has relied on Dialog Semiconductor to supply the essential audio and connectivity components that power its industry-leading wireless audio products. These chips have become the backbone of Plantronics' solutions in corporate, government, and consumer markets. The collaboration has helped solidify Plantronics' position as a top player in the audio communication space.
Today, Dialog's products form the foundation of most of Plantronics' DECT (Digital Enhanced Cordless Communication) product lines. DECT is a widely adopted standard used in many countries around the world, making it an ideal choice for global deployment.
The story of Plantronics began in 1961 when two aviation pilots, Courtney Graham and Keith Larkin, turned their vision into reality by starting the company in a small garage in Santa Cruz, California. Their initial goal was to innovate commercial aviation headsets, and they eventually created the world’s first lightweight headset, marking a significant milestone in the industry.
This innovation paved the way for future breakthroughs. For instance, Plantronics’ MS50 headset was chosen for the NASA Mercury mission, and even Neil Armstrong used Plantronics headphones to speak the first words on the moon.
More than a decade ago, Plantronics partnered with Dialog Semiconductor as the next generation of system-on-chip (SoC) technology was emerging. While many competitors faded, Dialog provided a new chip design that not only supported Plantronics’ existing technologies but also introduced new features to enhance wireless audio quality, bringing it closer to the clarity of wired connections.
One of the key components from Dialog is the SC14450 audio processor, which has been used in numerous Plantronics hands-free and telephone products for years. Another important chip is the SC14480, a single-chip DECT/CAT-iq solution found in almost all Plantronics audio devices. It offers excellent sound quality and cost efficiency, making it ideal for headphone applications.
The SC14450 features a multi-core architecture with 240MIPS processing power, including a 16-bit CompactRISCâ„¢ processor and two user-programmable Gen2D-SP cores. This enables support for multiple audio codecs and embedded applications, delivering superior echo cancellation.
In addition, the SC14450 supports various external memories, integrated Class D amplifiers, power and battery management, white LED drivers, and multiple peripheral interfaces such as PCM, UART, SPI, and USB Client.
For wireless audio, the DECT standard enhances energy efficiency, ease of pairing, and supports high-quality broadband audio with secure connections. As a leader in the DECT market, Dialog provides solutions for all regional DECT versions, including the 2.4GHz DCT protocol and the SmartPulse product line for DECT ULE (ultra-low power).
While DECT is widely used globally, North America uses its own version called DECT 6.0, which is slightly different due to regulatory requirements. This means that DECT 6.0 systems are not compatible with other DECT standards worldwide.
The core value of the Plantronics-Diaglog partnership lies in their joint development of custom chips that meet specific technical needs. In some cases, these collaborations led to industry-wide standards, benefiting the broader headset market.
For example, Dialog once developed a chip requiring a metal shielding box, initially tailored for Plantronics. However, this design eventually became an industry standard, helping expand the headset market.
Whether based on ROM or flash memory, Dialog offers flexible solutions for Plantronics. Many of its headsets use either read-only memory (ROM) or flash memory, depending on the product design.
Using ROM-based chips, Plantronics can create cost-effective products with stable performance after the code is written into the chip. The CS series, especially the popular CS500, benefits from this approach.
Flash-based chips allow for easy firmware updates, enabling Plantronics to adapt to future needs and improve customer satisfaction. The Savi 400 and Savi 700 series use flash-based chips, allowing remote upgrades that keep products up-to-date.
Because Dialog provides both ROM and flash solutions, Plantronics can tailor its products for specific industries and applications. Flash-based designs also enable remote upgrades, improving user experience and product longevity.
For example, recent changes in DECT safety standards prompted Plantronics to release enhanced security updates for its flash-based headsets. Customers with Savi 700 models could easily upgrade their firmware to improve security, a feature particularly valued by government clients who prioritize secure voice communication.
This DECT security update became one of the most downloaded upgrades in Plantronics’ history, showing how the company sets and exceeds industry standards.
Plantronics’ business model challenges traditional approaches. Its products not only set industry benchmarks but also exceed expectations in quality and reliability. If issues arise, Plantronics is committed to replacing faulty products. By working with top suppliers like Dialog, they ensure every product is designed to last, offering enterprise-grade performance without frequent replacements.
Dialog provides reference designs, software development kits, evaluation boards, and control software to support Plantronics throughout the development process. This helps accelerate time-to-market and ensures smooth operations.
Additionally, the reference design schematic complements Plantronics’ custom designs, enabling quick troubleshooting and flexible production scaling. With Dialog’s support, Plantronics can manage supply chain challenges efficiently, minimizing disruptions.
Another benefit of the partnership is that, as a global company, Dialog enables Plantronics to test different frequency options for various regions. This flexibility ensures that Plantronics can quickly adapt to any market, delivering tailored solutions to customers worldwide.
In conclusion, through their ongoing collaboration, Dialog and Plantronics continue to set new industry standards and enhance the sound quality of all Plantronics products. Their headsets are highly regarded across multiple industries and markets. As part of this partnership, the new sound quality standards have positioned both companies as market leaders, and they are poised to maintain this leadership in the future.
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