Wolfson ’s new Ez2 software solution provides superior speaker quality for mobile device calls

Edinburgh, United Kingdom, August 2013 —Wolfson Microelectronics plc, a leading global provider of mixed-signal semiconductor devices and audio solutions for consumer electronics, has announced that it will introduce the latest software solutions Ez2 grouptalk ™ and Ez2 facetalk ™ introduces its Ez2 software feature set. These software are designed to work with Wolfson ’s existing hardware platforms such as the WM5110 High Definition (HD) Audio Hub, to greatly improve devices such as smartphones, tablets, personal computers and televisions. Speaker quality for mobile hands-free calls, VoIP and video calls, and is geared towards the growing mobile office conference phone market.

Wolfson ’s Ez2 grouptalk ™ provides an excellent hands-free speakerphone call experience that can be implemented on smartphones and tablets. This experience was previously only available in desktop conference phone devices. Whether it ’s a one-to-one voice call or a multi-person voice call, Ez2 grouptalk ™ software ensures that in hands-free talk mode, speeches that are up to five meters away from the device sound equally clear at the far end, while their The sound will be able to be captured clearly. In the case of multi-person voice calls, such as a conference call, with acoustic echo cancellation, noise suppression and acoustic gain control, it can help track the strongest speaker's voice at any time during the call without worrying about external Environmental noise, resulting in high-quality, clear dialogue.

Wolfson ’s Ez2 facetalk ™ enables smartphones, tablets, personal computers, and TVs to achieve superior audio quality when making video calls, especially for environments such as noisy offices or living rooms. Beamforming technology can ensure that the microphone focus is focused on the speaker and suppresses noise sources other than the beam; at the same time, full-duplex echo cancellation technology ensures natural two-way conversation, the speaker is away from smartphones, tablets, personal computers or TVs The distance can be up to one meter.

"In homes, offices, or outdoors, it is becoming more and more common to use speakerphone devices on smartphones and tablets for hands-free voice calls. However, the sound quality of such devices in these devices is usually poor, especially if they cannot communicate with The standard conference phone equipment in the office is on a par. The external background noise often overwhelms the speaker's voice, or when the speaker is a few feet away from the device, the speaker's voice cannot be captured. Similar problems can also affect smartphones and tablets Audio quality of computers, personal computers, and TVs when making video calls. " Stephen Evans, vice president of software for Wolfson Microelectronics, commented: "Wolfson ’s Ez2 grouptalk ™ is a major breakthrough. It provides an ideal solution to these traditional speakerphone problems and can still be located five meters away from the device. A perfect natural call without being affected by external noise. Ez2 facetalk ™ ensures the ultimate audio and video calling experience when using speaker mode. "

Ez2 grouptalk ™ and Ez2 facetalk ™ are designed for use with Wolfson ’s Micro Electro Mechanical Systems (MEMS) microphones. These software can be configured for two and four microphones, and can be adjusted for different microphone positions.

Ez2 grouptalk â„¢ and Ez2 facetalk â„¢ are the latest software features introduced by Wolfson Ez2 software, supporting four different areas of HD audio solutions: including HD Audio Voice for high-definition voice, and HD audio voice for high-definition audio playback. HD Audio Playback, HD Audio Capture for high-definition audio capture, and HD Audio Share for high-resolution audio sharing, which are uniquely combined to provide a complete, "mouth-to-ear" audio experience .

HD Audio Voice with advanced noise reduction technology, including Wolfson ’s previously released Ez2hear ™ Rx ANC, enables super crisp and clear voice calls in any environment. HD Audio Playback uses Ez2 listen ™ technology, including many sound enhancements, such as 5.1 virtual surround sound, as well as bass and treble extensions, allowing us to enjoy audio at the highest quality. HD Audio Capture supports voice and gesture control of smart devices. It uses Wolfson ’s previously released Ez2 control ™ technology and can use mobile devices for high-fidelity audio recording in all environments, such as at home, outdoors, or even like a club. Or a noisy place like a concert. HD Audio Share uses Wolfson ’s Ez2 grouptalk ™ and Ez2 facetalk ™ technologies. It supports mobile phones, tablets, PCs or TVs to obtain ultra-high-quality mobile audio when using the speaker mode; whether it is a personal one-to-one call , Or Internet teleconferencing can be implemented in a large meeting room or living room with many people.

About Wolfson Microelectronics Co., Ltd.

Wolfson Microelectronics is a global, leading provider of high-performance mixed-signal semiconductor devices and audio solutions, and its products are mainly used in the consumer electronics market. Whether at home, in the office or on the road, Wolfson ’s innovative technologies are at the core of many leading digital consumer electronics products in the world. These systems include top-notch high-fidelity devices, mobile phones, tablets, MP3 players, flat-screen TVs, Digital cameras and portable navigation equipment, etc.

Wolfson is committed to designing and delivering groundbreaking audio products, including various audio hub solutions whose architecture is defined by Wolfson, silicon micro-electromechanical system (MEMS) microphones, power management chips, and noise cancellation solutions, all of which combine Together, Wolfson provides industry-leading high-definition (HD) audio for a variety of consumer electronics applications. This rich and diverse product portfolio allows Wolfson customers all over the world to better differentiate their digital consumer products and create a brand new end-user experience.

The company is headquartered in Edinburgh, United Kingdom. Its customers have spread all over the world, so Wolfson Microelectronics has also established design centers, sales offices, application teams and engineering experts in Europe, the United States, Australia and Asia.

Wolfson Microelectronics Co., Ltd. is listed on the London Stock Exchange (ticker symbol: WLF.L).

For more information about Wolfson Microelectronics, please visit: http: //

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