Wolfson Microelectronics, Inc. announces a new, innovative family of low-power codecs (CODECs) designed to enhance audio performance and extend battery life in a variety of portable applications.
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The WM8944, WM8945, WM8946 and WM8948 are the latest additions to Wolfson's successful low-power CODEC portfolio, designed for portable applications including digital cameras, digital camcorders and voice recorders. The WM8944 and WM8945 are mono low-power CODECs, the WM8945 comes with a touch screen controller; the WM8946 and WM8948 are stereo low-power CODECs, and the WM8948 comes with a touch screen controller. With these applications, consumer electronics manufacturers can save an average of 50% of the footprint in audio recording and playback.
One of the key features of these products is Wolfson's innovative ReTuneTM filter, which helps customers improve the frequency characteristics of the device cavity, microphone and speaker. Provides enhanced recording and playback without the need for expensive hardware changes.
The devices also offer a high level of functional integration, including amplifiers for speakers, video and microphones, and a low dropout (LDO) regulator that simplifies system design, increases noise immunity, and reduces bill of materials (BOM) costs. Minimize the total footprint of your audio solution. The range of audio enhancements also includes improved sound quality for portable recordings, including dynamic range control, a stereo expansion algorithm, five notch filters, a 5-band programmable equalizer, and a programmable wind noise filter.
These products also include a microphone interface that can be converted to a MEMS microphone with high noise immunity.
Software compatibility across the entire product line ensures that system designers adopt a platform development approach that is suitable for multiple models. For example, in digital camera applications, system designers can simultaneously develop audio solutions for mono or stereo and whether they have touch screen controls through the WM8944, WM8945, WM8946, and WM8948.
"With the launch of the WM8944, WM8945, WM8946 and WM8948, we are bringing Wolfson's industry-leading low-power technology to the market, battery life, audio performance, and especially recording quality," said Duncan Macadie, manager of Low Power Audio Lines at Wolfson. It is vital to this market."
"The combination of these products' flexibility and high-performance integration makes it possible to achieve an exceptional combination of cost competitiveness and high audio performance for a wide range of applications, making it ideal for a wider range of handheld applications. â€
Supply
Samples of the WM8944, WM8945, WM8946 and WM8948 are available now in a 36-ball W-CSP package.
The WM8944, WM8945, WM8946, and WM8948 customer evaluation boards, along with their Wolfson Interactive Installation and Configuration Environment Software (WISCE), can be used to support device evaluation and development. WISCE can be connected to the evaluation version via USB, providing a unique interactive register mapping interface that supports unprecedented device setup control and supervision.
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