QCS404
Not Recommended For New Designs

QCS404

QCS404

Designed specifically for smart audio applications with our highest level of integration yet, and enhanced with our cutting-edge Qualcomm Artificial Intelligence (AI) Engine.

The Qualcomm QCS400 series of audio System-on-Chips (SoCs) are designed to bring a wealth of new capabilities and smart functionality to our audio portfolio and help deliver the new consumer experiences driving the voice-controlled home audio ecosystem.

These advanced SoCs are based on our high-performance, low-power architecture, with dual DSPs, our Qualcomm® Artificial Intelligence (AI) Engine and superior connectivity. They are designed to deliver this unique and extremely rich feature-set at our highest level of integration yet – ...

Qualcomm QCS404 is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.

Product license agreement
Featured DocumentsProduct Brief
Benefits
default icon alt text
Ultimate audio experiences

Advanced, highly-integrated connectivity designed to support low-latency music streaming in a room and throughout the home, as well as superior performance with coexistent Wi-Fi, Bluetooth and Zigbee. Designed with a scalable architecture to help meet various performance, functionality and price points.

default icon alt text
Edge compute and AI

Our integrated AI Engine includes machine learning capabilities configured to help improve local Voice UI, noise reduction, automatic speech recognition and the flexibility to innovate by developing and running custom machine learned inferences.

default icon alt text
Dramatically improved power performance

Designed specifically for low-power key-phrase detection, providing a 25 times longer standby with voice wakeup*. Supports new levels of performance for portable and battery-powered speakers, and helps reduce standby current requirements for mains-connected speakers or smart assistants.

default icon alt text
Industry-leading connectivity

Dedicated high-performance audio DSP with hardware enhancement capable of up to 12 channels of audio post processing. Dual DSP cores support high performance and low-power keyword detection.

QCS404 Block Diagram

Features

  • Highly-integrated architecture, with four CPU cores, dual DSP, Wi-Fi, Bluetooth, and powerful audio features on a single chip
  • Industry-leading connectivity with low-latency streaming and advanced Wi-Fi, Bluetooth, and Zigbee coexistence technology
  • High performance, low-power keyword detection pre-loaded and running on an integrated DSP
  • Configurable multi-keyword detection with Local Automatic Speech Recognition designed for customizable user experiences
  • Compatible with DDFA amplifier technology and aptX audio
  • Includes low power far-field keyword detection, multi-mic beamforming noise suppression with mono, stereo, and multichannel echo cancellation
  • Industry-leading far field voice capture technology, with simultaneous multi key word detection
  • Support for up to 12 channel audio output
  • Help to reduced product development time and cost, with our Audio Development Kit (ADK), and Software Evaluation Kit, as well as hardware reference designs
Specifications
Qualcomm® Artificial Intelligence (AI) Engine
CPU Number of Cores
4
Qualcomm® Hexagon™ Processor Name
2x Qualcomm® Hexagon™
LR-WPAN
Protocol
Zigbee
CPU
Clock Speed
Up to 1.4 GHz
DSP
Name
2x Qualcomm® Hexagon™
Compute
V66 800 MHz with low power island, V66 700 MHz with Qualcomm® AI Engine
Wi-Fi
Generation
Wi-Fi 6 (ready), Wi-Fi 5
Standards
802.11ac, 802.11ax (ready)
MIMO Configuration
4x4, 2x2, 1x1
Spatial Streams
Up to 1, Up to 4, Up to 2

Qualcomm DDFA, Qualcomm aptX, Qualcomm Smart Audio Platform, Qualcomm AI Engine, Qualcomm QCS400 and Qualcomm Hexagon are products of Qualcomm Technologies, Inc. and/or its subsidiaries.

Compare related products.

Note: to leverage the best experience for the product comparison table, please use the desktop to view content.

4 of 0 total products

Product

Other

QCS404
QCS405
Active
QCS403
QCS407

    Ready to get started?

    Purpose-built platforms using the QCS400 series.

    Access more.
    To access more QCS404 resources, you need to be a member of a verified company. Company verification is initiated by filling out our access request form.
    Already have a Qualcomm account?
    Qualcomm relentlessly innovates to deliver intelligent computing everywhere, helping the world tackle some of its most important challenges. Our leading-edge AI, high performance, low-power computing, and unrivaled connectivity deliver proven solutions that transform major industries. At Qualcomm, we are engineering human progress.

    Stay connected

    Get the latest Qualcomm and industry information delivered to your inbox.

    Subscribe
    Manage your subscription
    Also of Interest

    © Qualcomm Technologies, Inc. and/or its affiliated companies.

    Snapdragon and Qualcomm branded products are products of Qualcomm Technologies, Inc. and/or its subsidiaries. Qualcomm patents are licensed by Qualcomm Incorporated.

    Note: Certain services and materials may require you to accept additional terms and conditions before accessing or using those items.

    References to "Qualcomm" may mean Qualcomm Incorporated, or subsidiaries or business units within the Qualcomm corporate structure, as applicable.

    Qualcomm Incorporated includes our licensing business, QTL, and the vast majority of our patent portfolio. Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of our engineering, research and development functions, and substantially all of our products and services businesses, including our QCT semiconductor business.

    Materials that are as of a specific date, including but not limited to press releases, presentations, blog posts and webcasts, may have been superseded by subsequent events or disclosures.

    Nothing in these materials is an offer to sell or license any of the services or materials referenced herein.