Tensilica launches Ogg Vorbis decoder

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Tensilica has announced the addition of an Ogg Vorbis decoder to its popular Xtensa HiFi 2 audio engine and audio algorithm package for the Diamond 330 HiFi processor core. The Xtensa HiFi 2 audio engine and algorithm software package is the most popular audio processor IP solution, covering a wide range of applications, from mobile consumer audio products to digital TV and other multimedia applications. In 2006, Tensilica customers will ship tens of millions of products using this audio. With this software decoder, the ability to play music in Ogg Vorbis format can be added to the chip with the Xtensa HiFi 2 audio engine. Because the Ogg Vorbis format is open source and royalty free, it is increasingly popular in video games and digital audio players.

Larry Przywara, Director of Multimedia Product Marketing at Tensilica, said, "With the addition of this Ogg Vorbis decoder, Tensilica currently has 19 encoders and decoders for the Xtensa HiFi 2 audio engine. Most of our customers use a variety of music. Format, a wide range of audio codecs will ensure that customers design products that support all popular audio formats!"

Ogg Vorbis's support is on the rise as it provides better audio fidelity, and the standard is open and has no royalty or royalties, making it a patented audio codec format that replaces MP3. A suitable candidate for this.

The Xtensa HiFi 2 audio engine uses 24-bit audio processing and is inherently superior to the regular 16-bit audio processor currently in use. It provides higher audio quality by improving the accuracy of the intermediate calculations in the compression and decompression algorithms. Because the Xtensa HiFi 2 audio engine is fully programmable, multiple audio standards can run on the same hardware at the same time. Tensilica currently offers 19 audio packages for the Xtensa HiFi 2 audio engine, including:
• Dolby® Digital AC-3 Decoder
• Dolby Digital AC-3 Encoder
• Dolby Digital Plus Consumer Decoder
• QSoundTM microQTM
• MP3 Decoder
• MP3 Encoder
• MPEG-4 aacPlusTM v2 Decoder
• MPEG-4 aacPlusTM v2 Encoder
• MPEG-4 aacPlusTM v1 Decoder
• MPEG-4 aacPlusTM v1 Encoder
• MPEG-2/4 AAC LC Decoder
• MPEG-2/4 AAC LC Encoder
• Ogg Vorbis Decoder
• SONiVOX Sound that Rocks
• SRS WOW XTTM and Xspace 3DTM
• WMA Decoder
• WMA Encoder
• AMR Narrowband Speech Codec
• AMR Wideband Speech Codec

Tensilica also revealed that there are several popular audio and speech codec algorithms (such as VOIP and other more complex algorithms...) that are being ported for optimization on the HIFI 2 engine.

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