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 ne....

more

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 ne....

more

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 Qualcom....

more

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 – ....

more

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

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Featured Documents
Product Brief

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.

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.

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.

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

AIE CPU: Quad-core CPU

Hexagon Processor: 2x Qualcomm® Hexagon™ DSP

CPU

CPU Clock Speed: Up to 1.4 GHz

CPU Cores: Quad-core CPU

DSP

DSP Audio: V66 800 MHz with low power island

DSP Compute: V66 700 MHz with Qualcomm® AI Engine

DSP Technology: 2x Qualcomm® Hexagon™ DSP

Wi-Fi

Standards: 802.11ax-ready, 802.11ac

Wi-Fi Features: Dual-band simultaneous (DBS)

MIMO Configuration: 2x2 (2-stream), 1x1 (1-stream), 4x4 (4-stream)

Bluetooth

Bluetooth Specification Version: Bluetooth 5.1

Connection Technology: Bluetooth Low Energy, Bluetooth Classic

802.15.4

LR-WPAN Protocol: Zigbee

USB

USB Version: USB 2.0

Voice Services

Voice UI: 4-microphone far-field voice pickup noise cancellation, Low-power standby with voice wakeup

Audio

Qualcomm® aptX™ audio playback support: Qualcomm® aptX™ Audio, Qualcomm® aptX™ Adaptive

Other Audio Capturing Technologies: Qualcomm® DDFA™ amplifier technology

Other Audio Processing: Low-latency streaming

Security Support

Security Features: Secure voice

Interfaces

Supported Interfaces: PCIe, I²C, Ethernet, SDIO, SPI, UART, USB 2.0, USB 3.0

Audio Playback Interfaces

Channel output: 12

Software Options

Operating System: Linux

    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.

    Product
    QCS404
    QCS403
    QCS405
    QCS407
    AIE GPUAIE CPUHexagon ProcessorVoice & Music ApplicationsCPU Clock SpeedDSP AudioDSP ComputeStandardsWi-Fi FeaturesBluetooth Specification VersionLR-WPAN ProtocolVoice UIOther Audio Capturing TechnologiesOperating System
    Quad-core CPU
    2x Qualcomm® Hexagon™ DSP
    Smart Speakers
    Up to 1.4 GHz
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    802.11ax-ready
    802.11ac
    Dual-band simultaneous (DBS)
    Bluetooth 5.1
    Zigbee
    4-microphone far-field voice pickup noise cancellation
    Low-power standby with voice wakeup
    Qualcomm® DDFA™ amplifier technology
    Linux
    Dual-core CPU
    2x Qualcomm® Hexagon™ DSP
    Smart Assistant
    Smart Speakers
    Up to 1.4 GHz
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    802.11ax-ready
    802.11ac
    Dual-band simultaneous (DBS)
    Bluetooth 5.1
    Zigbee
    4-microphone far-field voice pickup noise cancellation
    Low-power standby with voice wakeup
    Virtual X
    Qualcomm® DDFA™ amplifier technology
    Linux
    Qualcomm® Adreno™ 306 GPU
    Quad-core CPU
    2x Qualcomm® Hexagon™ DSP
    Soundbars & Home Theater
    Smart Speakers
    Up to 1.4 GHz
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    802.11ax-ready
    802.11ac
    Dual-band simultaneous (DBS)
    Bluetooth 5.1
    Zigbee
    4-microphone far-field voice pickup noise cancellation
    Low-power standby with voice wakeup
    Qualcomm® DDFA™ amplifier technology
    Linux
    Qualcomm® Adreno™ 306 GPU
    Quad-core CPU
    2x Qualcomm® Hexagon™ DSP
    AVR
    Up to 1.4 GHz
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    802.11ax-ready
    802.11ac
    Dual-band simultaneous (DBS)
    Bluetooth 5.1
    Zigbee
    4-microphone far-field voice pickup noise cancellation
    Low-power standby with voice wakeup
    Qualcomm® DDFA™ amplifier technology
    Linux

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