Spatial Audio Technology

Immersive, Cinematic Experience in Space-Constrained Applications

TI's Spatial Audio technology delivers an immersive, cinematic sound experience in tablets, laptops, sound bars, and docking stations. Spatial Audio distributed sound processing coupled with loudspeaker array technology uses a combination of techniques to manipulate sounds in 3D space:

  • Sound beamforming
  • Cross talk cancellation
  • Head Related Transfer Function (HTRF)

Easy-to-use tools allow you to quickly deploy Spatial Audio technology across your entire product portfolio from tablets to sound bars with 2 to 16 speakers.


LM48901 Quad Class D Spatial Audio Array

The LM48901 complete Spatial Audio solution expands the soundstage in space-constrained systems and features:

  • Spatial processing DSP
  • 4 integrated 2W Class D audio amplifiers – 1% THD, 4 Ohms
  • I2S & I2C interfaces
  • 18-bit stereo ADC
  • Integrated PLL
  • Both analog and digital inputs
  • Flexible output configurations for solutions from 2 to 16 speakers
  • Quick & easy programming

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Spatial Audio Technology Videos

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Spatial Audio Development Tools

The LM48901 Spatial Audio Speaker Array Designer online tool includes an easy-to-use speaker array coefficient generator that creates unique spatial coefficients in a few quick steps, speeding development and eliminating the need for algorithm tuning and in-house DSP experts. The coefficients can be downloaded for use in system software or with the LM48901EVAL Evaluation System.


Spatial Audio Source Material

This audio source material contains good dynamic stereoscopic effects, making excellent source material for evaluating spatial audio technology in your system or with the eval board:

Description MPEG3
(Audio Only)		 MPEG4
(Video with Audio)		 WMV
(Video with Audio)		 iTunes Podcast
(Video with Audio)
Spatial Audio Source Content mp3 mp4 wmv podcast

You can also download spatial audio source material above to your iTunes account as a podcast. Other good spatial audio demonstration content includes copyright material such as the song Money (Pink Floyd) and films such as Transformers, Harry Potter, and Touch of Sound.



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