Wireless Smart Speaker Solution

Overview

The RTL8730E is a cost-effective wireless smart speaker SoC platform. It features a dual-core ARM Cortex-A32 CPU (up to 1.2GHz), and integrates Wi-Fi 6 and Bluetooth 5.3 functionalities. Designed specifically for high-end devices requiring top-tier streaming support, local intelligent voice interaction, and seamless smart home integration, it perfectly combines the three core elements: wireless connectivity, smart voice, and high-fidelity audio quality. It is ideally suited for wireless streaming speakers and soundbars, enabling support for mainstream music streaming services.

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Core Advantages

Leveraging its innovative chip architecture and rich software ecosystem, the RTL8730E provides a comprehensive solution for the next generation of wireless smart audio devices. Its core advantages are reflected in the following aspects:

  1. Multi-core Heterogeneous Computing Architecture

    The RTL8730E adopts a multi-core heterogeneous design, integrating a high-performance Application Processor, an independent Network Processor, and a Low-Power Processor, supporting the operation of various operating systems.

    • Dual-core ARM Cortex-A32 Application Processor: Provides powerful main control computing capability, supporting the feature-rich Linux OS.

    • Real-M300 (Cortex-M55 compatible) Network Processor: Independently handles all network protocol stacks, effectively isolating the uncertainties of wireless connections to ensure smooth application operation unaffected by network fluctuations.

    • Real-M200 (Cortex-M23 compatible) Low-Power Processor: Optimized for low-power scenarios, capable of independently processing sensor data and managing device states.

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  1. Comprehensive Software Platform

    Based on Linux, the RTL8730E utilizes the industry-popular Yocto SDK, providing a powerful development toolchain and abundant software packages. This greatly simplifies the development process for complex applications, meeting diverse needs from simple to complex.

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  1. Powerful Computing Performance Supporting Top Music Services and Smart Voice

    The dual-core Cortex-A32 (up to 1.2GHz), delivers ample computational performance to natively support and implement global mainstream music services, such as:

    • Spotify Connect

    • Apple AirPlay 2

    • Chromecast built-in

    Simultaneously, the powerful computing capability efficiently runs local Voice algorithms and connects to Cloud AI, enabling a more natural interactive experience.

    • RTL8730E provides a full suite of voice algorithms AIVoice (AEC/NS/BF/SSL/VAD/KWS/ASR), helping customers achieve rapid mass production.

    • Supports integration with large language models like OpenAI and Gemini for smarter, more natural multi-turn conversations.

  2. Seamless Integration with Mainstream Smart Home Ecosystems

    The chip platform comes pre-ported with implementations of the Matter and OpenThread protocols. Based on this, devices using the RTL8730E can easily connect to smart home ecosystems such as:

    • Apple HomeKit

    • Google Home

    • Amazon Alexa

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  1. Wi-Fi 6 Connectivity and Bluetooth 5.3

    • Integrates a Wi-Fi 6 (802.11ax) wireless module, providing higher network throughput, lower latency, and stronger multi-device anti-interference capabilities, laying a solid foundation for the stable transmission of high-definition/lossless audio streams.

    • Integrates Bluetooth 5.3 technology, supporting LE Audio and the latest Auracast broadcast audio functionality. This enables the device to act as an audio transmitter, broadcasting audio simultaneously to multiple Bluetooth headphones or speakers, creating new audio sharing scenarios.

    • Pre-certified Wi-Fi 6 and Bluetooth 5.3 help customers accelerate time to market. Currently certified by Wi-Fi Alliance and Bluetooth SIG BQB certified.

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Software Resources