Intel® Processor and Intel® Core™ i3 N-Series

Datasheet, Volume 1 of 2

ID 759603
Date 01/04/2023
Version 001
Document Table of Contents

Audio DSP Capabilities

The Audio DSP offload engine is an optional feature providing low power DSP functionality and offload the audio / sensor processing operation from host CPU. It is exposed as an optional capability feature under the Intel® HD Audio controller allowing the enumeration through the Intel® HD Audio driver software (if implemented). Audio DSP capabilities are listed as follows:

  • Audio DSP based on 4 Cadence* Tensilica* LX6 HIFI3 DSP Cores operating up to 400 MHz with 3 MB SRAM
  • Low power support for Intel® Wake on Voice (Intel® WOV)
  • Low power audio playback with post processing
  • Low power VoIP voice call with pre-processing
  • Various DSP functions provided by DSP Core: MP3, AAC, 3rd Party IP Algorithms, etc.
  • Host downloadable DSP FW functions
  • Voice call processing enhancement
  • Sensors algorithm offload / assistance: motion, proximity, etc.
  • Supports 4 DSP Cores at 400 MHz and 3 MB SRAM.