QCS404
Not for new design
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
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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.

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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.

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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.

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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.

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4 of 4 total products

Product

Qualcomm® Artificial Intelligence (AI) Engine

GPU Name

CPU Number of Cores

Qualcomm® Hexagon™ Processor Name

LR-WPAN

Protocol

CPU

Clock Speed

DSP

Compute

Wi-Fi

Standards

Bluetooth

Specification Version

Audio

Audio Capturing Technologies

Voice Services

Voice UI

Software Options

Operating System

IoT

Voice and Music Applications

Other

QCS407

Qualcomm® Adreno™ 306

4

2x Qualcomm® Hexagon™

Zigbee

Up to 1.4 GHz

V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine

802.11ax (ready)
802.11ac

Bluetooth® 5.1

Qualcomm® DDFA™ amplifier technology

4-microphone far-field voice pickup noise cancellation
Low-power standby with voice wakeup

Linux

AVR

QCS403

—

2

2x Qualcomm® Hexagon™

Zigbee

Up to 1.4 GHz

V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine

802.11ac
802.11ax (ready)

Bluetooth® 5.1

Qualcomm® DDFA™ amplifier technology

Low-power standby with voice wakeup
4-microphone far-field voice pickup noise cancellation

Linux

Smart Assistant
Smart Speakers

QCS405
Active

Qualcomm® Adreno™ 306

4

2x Qualcomm® Hexagon™

Zigbee

Up to 1.4 GHz

V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine

802.11ax (ready)
802.11ac

Bluetooth® 5.1

Qualcomm® DDFA™ amplifier technology

4-microphone far-field voice pickup noise cancellation
Low-power standby with voice wakeup

Linux

Smart Speakers
Soundbars & Home Theater

QCS404

—

4

2x Qualcomm® Hexagon™

Zigbee

Up to 1.4 GHz

V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine

802.11ac
802.11ax (ready)

Bluetooth® 5.1

Qualcomm® DDFA™ amplifier technology

Low-power standby with voice wakeup
4-microphone far-field voice pickup noise cancellation

Linux

Smart Speakers

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