Tensilica Adds AMR WB+ Audio / Speech Decoder and Encoder to HiFi 2 Audio Processor Software Library

SANTA CLARA, Calif.—(BUSINESS WIRE)—September 16, 2008— Tensilica,® Inc. today announced that it has added the AMR WB+ audio / speech decoder and encoder to the software library for its HiFi 2 audio processor. The AMR WB+ (Adaptive Multi Rate Wideband plus) speech codec improves on the available AMR Wideband speech codec by adding support for stereo signals and higher sampling rates, providing higher quality at low bit rates.

AMR Wideband+ takes the AMR Wideband speech capabilities into the quality levels of stereo music players, stated Larry Przywara, Tensilicas director of mobile multimedia. We expect that our customers using AMR Wideband will upgrade to this enhanced standard because it allows them to mix speech and music in a low bit rate format. We collaborated with our partner P-Product on the development of the decoder and encoder based on the previously released AMR Wideband codec.

By utilizing the very efficient HiFi 2 ISA (instruction set architecture) and C programming model, we were able to quickly extend the AMR Wideband codec to incorporate the features of AMR Wideband+, stated Michael Vulikh, P-Products CEO. The achieved efficiency makes it ideal for portable device manufacturers that want one codec for stereo music and speech.

AMR WB+ delivers high-quality music and speech between music, making it suitable for mixed-content audio applications such a mobile TV broadcasts, podcasts, multimedia streaming, 3GPP (3rd Generation Partnership Project) Packet-switched Streaming Service (PSS), Multimedia Messaging Services (MMS), IP Multimedia Subsystems (IMS) and other applications.

AMR WB+ is an open standard developed by 3GPP, a collaboration of telecom industry and standards groups in Europe for the development of third-generation mobile devices. Tensilicas implementation has been specifically optimized to perform efficiently on the HiFi 2 Audio processor, requiring just 29 MHz for decode at 48 Kbps, 48 KHz.

Tensilicas HiFi 2 audio processor is specifically optimized to efficiently run over 50 audio software packages, including aacPlus, MP3, SRS TruSurround HD, WMA, SPIRIT DSPs Voice Engine, and the complete suites of Dolby and DTS codecs required for STB and Blu-ray Disc applications.

Availability

The AMR WB+ decoder and encoder are available now from Tensilica.

About Tensilica

Tensilica, Inc., is the recognized leader in customizable applications processors, DSPs and standard IP cores for audio, video, imaging, security, networking, and baseband signal processing. The automated design tools behind all of Tensilicas customizable applications processor cores powers top tier semiconductor companies, innovative start-ups, and system OEMs for high-volume products including mobile phones, consumer electronics devices (including portable media players, digital TV, and broadband set top boxes), computers, and storage, networking and communications equipment. For more information on Tensilicas patented, benchmark-proven processors, visit www.tensilica.com.

Editors Notes:

  • Tensilica and Xtensa are registered trademarks belonging to Tensilica Inc. All other company and product names mentioned are trademarks and/or registered trademarks of their respective owners.
  • Tensilicas announced licensees include: ADDMM, Afa Technologies, ALPS, Aquantia, Astute Networks, Atheros, AMD (ATI), Avision, Bay Microsystems, Berkeley Wireless Research Center, Brocade, Broadcom, Cisco Systems, CMC Microsystems, Conexant Systems, Design Art Networks, DS2, EE Solutions, Epson, ETRI, FUJIFILM Microdevices, Fujitsu Ltd., Hudson Soft, iBiquity Digital, Ikanos Communications, Intel, Juniper Networks, LG Electronics, Lucid Information Technology, Marvell, NEC Laboratories America, NEC Corporation, NetEffect, Neterion, Nethra Imaging, Nippon Telephone and Telegraph (NTT), NuFront, NVIDIA, Olympus Optical Co. Ltd., Penstar, Plato Networks, PnpNetwork Technologies, SiBEAM, Silicon Optix, Sony, STMicroelectronics, Stretch, TranSwitch Corporation, Triductor Technology, u-Nav Microelectronics, UpZide, Valens Semiconductor, Validity Sensors, Victor Company of Japan (JVC), WiLinx, WiQuest Communications, and XM Radio.


Contact:

Tensilica
Paula Jones, 408-327-7343
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or
Erika Powelson, 831-424-1811
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