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News Release from: Tensilica | Subject: Xtensa HiFi 2 audio engine
Edited by the Electronicstalk Editorial
Team on 29 June 2006
Audio engine is sound choice for GPU
The Xtensa HiFi 2 audio engine drives the high-quality 24bit audio processing in the recently introduced Nvidia GoForce 5500 handheld graphics processing unit.
Tensilica's Xtensa HiFi 2 audio engine drives the high-quality 24bit audio processing in the recently introduced Nvidia GoForce 5500 handheld graphics processing unit (GPU) The Nvidia GoForce 5500 brings high-fidelity surround sound as well fluid digital TV, rapid multishot photography and console-class 3D graphics to mobile phones
This article was originally published on Electronicstalk on 7 Oct 2005 at 8.00am (UK)
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Embedded audio processor moves up to 24bit
The Xtensa HiFi 2 audio engine is a new an addon package for Tensilica's proven Xtensa LX processor, optimised specifically for today's consumer audio functions.
Audio cores add Ogg Vorbis support
Tensilica has added an Ogg Vorbis decoder for its popular Xtensa HiFi 2 audio engine and Diamond 330HiFi processor core.
Phones based on the Nvidia GoForce 5500 handheld GPU are expected to be available from key handset manufacturers before the 2006 holiday season.
"We are delighted that Nvidia selected Tensilica for this outstanding multicore SoC chip design", stated Steve Roddy, Tensilica's Vice President of Marketing.
"The engineers at Nvidia realised that they could deliver high-quality audio by using our Xtensa HiFi 2 audio engine and keep power requirements to a minimum to ensure long battery life".
The Xtensa HiFi 2 audio engine is an add-on package for Tensilica's proven Xtensa LX processor, optimised specifically for today's consumer audio functions.
As a low-power turnkey solution, the Xtensa HiFi 2 audio engine enables system-on-chip (SoC) designers to quickly design audio-enabled devices such as mobile phone handsets, portable music players, DVD drives and set-top boxes.
This 24bit embedded audio processor has inherent advantages over common 16bit audio processors in use today.
It provides superior sound quality of compressed files due to the increased precision available for intermediate calculations in the compression and decompression algorithms.
And 24bit audio is fully compatible with all of the popular audio standards.
Tensilica and its application software partners also offer a comprehensive set of software encoders and decoders for all popular audio standards, including AMR (adaptive multirate speech), Dolby Digital AC-3, microQ from QSound Labs, MP3, MPEG-2/4 AAC LC and aacPlusTM, WMA (Windows Media Audio), Sonic Embedded Audio Synthesis (EAS) and SRS Wow XT and Xspace 3D.
Because the Xtensa LX processor with the HiFi 2 audio engine is fully programmable, multiple audio standards can run on the same hardware, allowing the same silicon to be used for multiple applications or the same device to play or record audio in different standards.
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