QCS404

QCS404

Designed specifically for mid-range smart speakers and entry-level soundbar applications with an unparalleled level of integration compared to our previous SoCs and next-generation Voice UI.

The Qualcomm® QCS404 System-on-Chip (SoC) is designed to bring a wealth of new capabilities and smart functionality to smart speakers.

QCS404 is part of our Qualcomm® QCS400 series....

more

The Qualcomm® QCS404 System-on-Chip (SoC) is designed to bring a wealth of new capabilities and smart functionality to smart speakers.

QCS404 is part of our Qualcomm® QCS400 series....

more

The Qualcomm® QCS404 System-on-Chip (SoC) is designed to bring a wealth of new capabilities and smart functionality to smart speakers.

QCS404 is part of our Qualcomm® QCS400 series of dedicated audio SoCs based on our high performance, low-power architecture. With on-device dual DSP, AI enhancement and rich connectivity, this advanced SoC is designed to sign....

more

The Qualcomm® QCS404 System-on-Chip (SoC) is designed to bring a wealth of new capabilities and smart functionality to smart speakers.

QCS404 is part of our Qualcomm® QCS400 series of dedicated audio SoCs based on our high performance, low-power architecture. With on-device dual DSP, AI enhancement and rich connectivity, this advanced SoC is designed to significantly reduce overall BOM for complex, feature rich, voice-supported smart speaker products.

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

Featured Documents

Product Brief

Improved low-power performance

Supports new levels of performance for portable and battery-powered smart speakers compared to our previous SoCs. Helps reduce standby current requirements for mains-connected speakers or smart assistants.

Industry-leading integration

Unique, highly-integrated yet flexible single-chip architecture designed to deliver substantial power efficiencies, performance improvements, and opportunities for advanced feature innovation, as well as helping audio manufacturers to reduce BOM.

Ultimate audio experiences

Truly superior audio performance, with support for Qualcomm® DDFA™ amplifier technology and Qualcomm® aptX™ audio.

Dual DSP

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.

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

AIE DSP: 2x Qualcomm® Hexagon™ DSP

CPU

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

DSP Clock Speed: 1.4 GHz

Wi-Fi

Wi-Fi Standards: 802.11ax-ready, 802.11ac

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

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

Bluetooth

Bluetooth Version: Bluetooth 5.1

Bluetooth 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

General Audio

Audio Technology: Qualcomm® DDFA™ amplifier technology, Low-latency streaming, Qualcomm® aptX™ audio technology

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

Audio Playback

Channel output: 12

Security Support

Security Features: Secure voice

Interface

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

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
    Voice & Music ApplicationsAIE CPUAIE GPUAIE DSPDSP AudioDSP ComputeDSP Clock SpeedWi-Fi StandardsWi-Fi FeaturesBluetooth VersionLR-WPAN ProtocolVoice UIAudio TechnologyOperating System
    Smart Speakers
    Quad-core CPU
    2x Qualcomm® Hexagon™ DSP
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    1.4 GHz
    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
    Low-latency streaming
    Qualcomm® aptX™ audio technology
    Linux
    Smart Assistant
    Smart Speakers
    Dual-core CPU
    2x Qualcomm® Hexagon™ DSP
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    1.4 GHz
    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
    Low-latency streaming
    Dolby Digital/Digital+
    Qualcomm® aptX™ audio technology
    Linux
    Soundbars & Home Theater
    Smart Speakers
    Quad-core CPU
    Qualcomm® Adreno™ 306 GPU
    2x Qualcomm® Hexagon™ DSP
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    1.4 GHz
    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
    DTS:X
    Low-latency streaming
    Dolby Atmos
    Qualcomm® aptX™ audio technology
    Linux
    AVR
    Quad-core CPU
    Qualcomm® Adreno™ 306 GPU
    2x Qualcomm® Hexagon™ DSP
    V66 800 MHz with low power island
    V66 700 MHz with Qualcomm® AI Engine
    1.4 GHz
    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
    DTS:X
    Low-latency streaming
    Dolby Atmos
    Qualcomm® aptX™ audio technology
    Linux

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