Surround Sound Capabilities at the Palm of your Hand

US based Audio Technology Leader

Problem Statement

The client was looking for a partner to develop compelling surround sound technology for Android phone OEMs. Client’s technology had multiple issues where they needed help to get the solution accepted by phone OEM.

Role we Played

We helped the client with

  • Integrating proprietary Post processing Engine in QDSP audio path in Nexus5.This required bypassing the default android audio path and rerouting the audio chain to include custom processing effects
  • Surround sound virtualization of multi-channel audio for up to 7.1 channels rendered for headphones.
  • Loudness and Dynamics processing (tuning) for headphones and internal speakers allowing the OEM to optimize their headphones and device speakers.
  • System level solution for enabling virtual surround sound
  • Customising Audio Flinger to enable specific postprocessing effects for 3D surround sound, bass enhancement downmix and graphics equalizer


The customer was delighted to get the product ready on time, with desired accuracy for a demonstration in major Electronics event.


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