QCS403

QCS403

Designed specifically for smart assistants, small form factor smart speakers and audio-capable home hub applications with an integrated, advanced Voice UI.

The Qualcomm® QCS403 System-on-Chip (SoC) is designed to bring new capabilities and smart functionality to lower-tier smart speakers and smart assistants.

QCS403 is part of our Qua....

more

The Qualcomm® QCS403 System-on-Chip (SoC) is designed to bring new capabilities and smart functionality to lower-tier smart speakers and smart assistants.

QCS403 is part of our Qua....

more

The Qualcomm® QCS403 System-on-Chip (SoC) is designed to bring new capabilities and smart functionality to lower-tier smart speakers and smart assistants.

QCS403 is part of our Qualcomm® QCS400 series of dedicated audio SoCs based on our high performance, low-power architecture. This SoC is designed to significantly reduce overall BOM for feature rich, voice....

more

The Qualcomm® QCS403 System-on-Chip (SoC) is designed to bring new capabilities and smart functionality to lower-tier smart speakers and smart assistants.

QCS403 is part of our Qualcomm® QCS400 series of dedicated audio SoCs based on our high performance, low-power architecture. This SoC is designed to significantly reduce overall BOM for feature rich, voice-supported home audio products at a lower consumer price point.

Qualcomm QCS403 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.

Dedicated 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 a dual-core CPU, 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

  • Superior audio performance, compatible with DDFA amplifier technology and aptX audio

  • 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

  • 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 reduce 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: Dual-core CPU

Hexagon Processor: 2x Qualcomm® Hexagon™ DSP

CPU

CPU Clock Speed: Up to 1.4 GHz

CPU Cores: Dual-core CPU

DSP

DSP Audio: V66 800 MHz with low power island

DSP Compute: V66 700 MHz with Qualcomm® AI Engine

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 Specification 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

Audio

Other Audio Capturing Technologies: Virtual X, Qualcomm® DDFA™ amplifier technology

Other Audio Processing: Low-latency streaming, Dolby Digital/Digital+

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

Audio Playback Interfaces

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

    Compare related products.

    Product
    QCS403
    QCS404
    QCS405
    QCS407
    Voice & Music ApplicationsAIE CPUAIE GPUHexagon ProcessorCPU Clock SpeedDSP AudioDSP ComputeStandardsWi-Fi FeaturesBluetooth Specification VersionLR-WPAN ProtocolVoice UIOther Audio Capturing TechnologiesOperating System
    Smart Assistant
    Smart Speakers
    Dual-core CPU
    2x Qualcomm® Hexagon™ DSP
    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
    Smart Speakers
    Quad-core CPU
    2x Qualcomm® Hexagon™ DSP
    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
    Soundbars & Home Theater
    Smart Speakers
    Quad-core CPU
    Qualcomm® Adreno™ 306 GPU
    2x Qualcomm® Hexagon™ DSP
    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
    AVR
    Quad-core CPU
    Qualcomm® Adreno™ 306 GPU
    2x Qualcomm® Hexagon™ DSP
    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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      Purpose-built platforms using the QCS400 series.

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