21ic News Wolfson Microelectronics Co., Ltd. has introduced the first software solutions Ez2 controlTM and Ez2 hearTM Rx ANC of its new Ez2 software feature set, which are compatible with such as WM5110 High Definition (HD) Audio System Chip (SoC). The use of existing hardware solutions will significantly improve the user experience in mobile applications.
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Wolfson's Ez2 controlTM integrates Sensory's TrulyHandsfreeTM Voice Control speech recognition solution with Wolfson's hardware solution to provide “always on†voice control for smartphones and other devices with ultra-low power consumption. The need for an existing voice control application to initiate this function by pressing a physical button. This solution is fully compatible with the Android operating system, ensuring no loss of functionality and running at ultra-low power. Ez2 controlTM supports languages ​​in more than 40 countries and can be used with Sensory's TrulyHandsfreeTM solution by any original equipment manufacturer (OEM) seeking to integrate sophisticated voice control capabilities into their devices. Crucially, it proves that it can achieve much faster, much easier integration than a push-button-enabled system, such as voice-activated controls in vehicles.
Traditionally, power consumption has been an obstacle to full hands-free voice control applications because the “always on†solution is not feasible due to the high currents that the application processor misses from the battery. However, Wolfson's Ez2 controlTM requires five times less power than existing solutions on the market. This makes it suitable for running in the background, always listening and waiting for a preset trigger word for the program, which will launch the entire application and implement voice control without any physical interaction.
Wolfson's Ez2 hearTM Rx ANC provides industry-leading receive path (Rx) ambient noise cancellation (ANC) for mobile applications, providing up to 20dB of noise reduction when answering mobile phones. The Ez2 hearTM Rx ANC detects any background noise around the caller and creates an equal-sized, opposite-direction signal to counteract the background noise, so only the sound at the other end of the line can be heard; therefore, even in the most noisy environments The voice call is also crisp and clear, which also reduces the situation in which the call has to be terminated due to communication difficulties caused by background noise.
When the WM5110 high-definition audio system-on-chip is integrated into a smartphone or tablet, the Ez2 hearTM Rx ANC removes the need for expensive noise-cancelling headphones because noise-cancellation technology has been embedded in the device. . Low-cost earbuds with an additional Micro Electro Mechanical System (MEMS) microphone on each earbud will provide a true, cost-effective, ready-to-use noise-cancelling headset solution for smartphone and tablet OEMs .
Stephen Evans, vice president of Wolfson Microelectronics Software, commented: “Voice is a natural and convenient way to interact, but if you have to start it by touch, it is detrimental to its ease of use in the real world. Our Ez2 controlTM Technology is a key breakthrough, combined with Sensory's TrulyHandsfreeTM solution, to bring voice control beyond a novelty beyond smartphones, enabling it to be used in all future products such as televisions, washing machines and refrigerators. Play the potential as the main interactive interface."
“In addition, consumers are increasingly demanding voice call quality, and our Ez2 hearTM Rx ANC is the perfect solution, whether you’re in a noisy bar, busy train station or airport. Improve call quality. Implant noise-cancellation into mobile devices and add a MEMS microphone to each earbud to provide a low-cost earphone headset for smartphones and tablets. A ready-to-use solution for noise-cancelling headphones,†adds Stephen Evans.
In Wolfson's software suite, Ez2 controlTM and Ez2 hearTM Rx ANC are among the first of many software features to support four high definition audio (HD Audio) solutions: HD Audio Voice The combination of HD Audio Playback, HD Audio Capture and HD Audio Share provides a complete “mouth-to-ear†audio experience.
HD Audio Voice features advanced noise cancellation technologies such as the Ez2 hearTM Rx ANC for crisp, clear voice calls in any environment;
HD Audio Playback includes a variety of sound enhancements, such as 5.1 virtual surround sound, bass and treble boost, to enjoy the highest quality music in any environment;
HD Audio Capture supports voice and gesture control for smart devices with Ez2 controlTM, while enabling high-fidelity audio recording on mobile devices in any environment, such as at home, outdoors, or even in noisy locations such as clubs or concerts ;
HD Audio Share enables mobile phones, tablets, PCs or TVs to achieve high-quality audio or mobile web conferencing by using speaker mode, supporting "close-range" group teleconferencing or single-player Video calls, even "long distance" conference calls between multiple people in a large conference room or living room.
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