C404/C405 SOM

A unique end-to-end solution designed specifically for creating smart speaker and smart home assistant products.

The C404/C405 SOM is built around the Qualcomm Smart Audio QCS400 SoC series with a powerful combination of superior sound quality, onboard Artificial Intelligence(AI) Engine and cloud-based smart assistant services. The pre-integrated software of SOM includes far-field voice and noise cancellation, multi-room audio streaming, the 3rd party voice services,Qualcomm DDFA and Dollby Digital technology. The C404/C405 SOM is ready for mass-production and help manufacturers easily create differentiated smart speaker products.

Overview

C404/C405 SOM Applications

Smart Speaker

Home Cinema

Sound Bar

AR/VR

C404/C405 SOM Features

Mic Array:

4 Mics far field and noise cancellation

3rd party voice services:

3rd party voice services: Amazon Alexa, Google Assistant, and

Baidu DuerOS

Super quality audio:

DDFA, Dolby Digital

C404/C405 SOM

Multi-room audio streaming:

Low-Latency

Local ASR:

AI Engine,

low power voice activation

Connectivity:

Wi-Fi DBS, Bluetooth 5.1, Multi-speaker

connection via Wi-Fi and BT

ADK middleware:

Reduce both development time and software design complexity

Specifications

CategoryDescription
CPUQuad-core Arm Cortex-A53 ,64-bit , 1.4 GHz
GPU (C405 Only)Qualcomm ® Adreno™ 306 GPU with 64-bit addressing; 600 MHz
DSP2 x Hexagon™ QDSP6 v66: Low Power Audio Subsystem & Audio Compute DSP
MemoryeMCP:LPDDR3 1GB + eMMC 8GB
ConnectivityWCN3999: 2×2 WLAN802.11 a/b/g/ac & Bluetooth 5.0 & FM
AudioSLIMBus,5x I2S(C404), 6x I2S(C405), 8x DMIC, Soundwire
Display Interfaces (C405 Only)One 4-lane MIPI DSI ports,DSI support up to 720P, HDMI support up to 1080p@30fps
Other Interfaces1 x USB 3.0; 1 x USB 2.0 ; 6 x BLSP; 1 x TF Card; 1 x PCIe; 2x/3x SPDIF; RGMII; GPIOs
Operating EnvironmentOperation Temperature: –25℃ ~ +75℃Operation Humidity: 5%~95%, non-condensing
Dimension33.8 x 33.8 x 2.5mm
OS SupportLinux
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