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Speakers-on-a-chip target hi-def audio apps

Posted: 26 May 2008     Print Version  Bookmark and Share

Keywords:speakers-on-a-chip  high-definition audio  voice applications  single-chip 

Conexant Systems Inc. has announced what it is calling the industry's first family of speakers-on-a-chip (SPoC) solutions. The CX20562 line integrates key speaker technology and processing functionality into a single device, and is targeted at products that support high-definition audio and voice applications. These include emerging PC sound systems that integrate the functionality of audio speakers and echo-free speakerphones into a single "all-in-one" peripheral, speakers, LCD multimedia monitors, iPod/MP3 docking systems, notebook docking stations, and voice-over-IP (VoIP) peripherals such as speakerphones. The single-chip SPoC solution also supports value-added consumer features such as Instant Messaging (IM) "hotkey" launch capabilities, music-on-hold, microphone mute, and noise reduction for private chat.

The single-chip CX20562 integrates the functionality of a digital audio/voice processor, audio codec, and Class-D amplifier into a single, cost-effective package. Key features include advanced sound processing, echo-cancellation, and noise-reduction technology. In addition, the SPoC solutions have an integrated USB interface that allows manufacturers to develop plug-and-play products that are PC and Mac compatible, and an auxiliary analogue input that enables connections to a wide range of audio peripherals.

The CX20562 is packaged in a 48-pin quad flat no-lead (QFN) package. Price ranges from Rs.80.04 ($2.00) to Rs.150.08 ($3.75) each in 10,000 volume quantities, depending on the feature set. A complete evaluation kit that includes a reference design, software, and technical documentation is also offered for Rs.8,004.21 ($200). The solutions are available now.

- Ismini Scouras

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