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en/docs/blog/posts/XMOS xcore-voice solution.md
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en/docs/blog/posts/XMOS xcore-voice solution.md
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date: 2024-06-17
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categories:
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- XMOS NEWS
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# The XMOS xcore-voice solution is a complete product built on the xcore platform's hardware, software, and tools.
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This solution offers a sample design of a voice pipeline using XMOS's industry-proven audio front end, including far-field voice processing and support for third-party ISV voice algorithms such as automatic speech recognition (ASR) engines for keyword detection or local command dictionaries.
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This enables various applications and end products, such as smart TVs, set-top boxes, and smart home appliances. Specifically, the xcore-voice solution allows product designers to quickly and cost-effectively implement "across-the-room" voice interfaces while achieving optimal audio quality.
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The XMOS xcore-voice solution is a complete product built on the xcore platform's hardware, software, and tools.
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This solution offers a sample design of a voice pipeline using XMOS's industry-proven audio front end, including far-field voice processing and support for third-party ISV voice algorithms such as automatic speech recognition (ASR) engines for keyword detection or local command dictionaries.
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This enables various applications and end products, such as smart TVs, set-top boxes, and smart home appliances. Specifically, the xcore-voice solution allows product designers to quickly and cost-effectively implement "across-the-room" voice interfaces while achieving optimal audio quality.
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XCORE®-VOICE Solution
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Based on XCORE.AI - Next-Generation Intelligent Solutions for Smart Voice Applications
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The xcore.ai is the third generation of the xcore processor architecture, providing unprecedented flexibility by combining general-purpose DSP (fixed and floating point), AI (32b, 8b, and 1b networks), and IO processing (nanosecond resolution). Unlike traditional SoCs, xcore systems can be architected in software, avoiding the typically lengthy hardware development cycles associated with custom silicon chips.
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The sample designs in the xcore-voice solution leverage the processor's capabilities through xcore platform software, providing building blocks for developing various applications. The xcore platform software supports development in the C programming language—on bare metal or within FreeRTOS.
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Sample designs are available in source code or precompiled form and can be quickly evaluated on the XK-VOICE-L71 voice evaluation kit.
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xcore.ai and the voice evaluation kit are available through XMOS sales and XMOS general distribution partners.
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##**Key Highlights**
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##**Voice Processing Components**
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Two PDM microphone interfaces
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Digital signal processing pipeline
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Full-duplex stereo acoustic echo cancellation (AEC)
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Reference audio via I2S with automatic bulk delay insertion
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Point noise suppression through an interference canceller
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Switchable static noise suppressor
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Programmable automatic gain control (AGC)
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Flexible audio output routing and filtering
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Independent audio paths for communication and automatic speech recognition (ASR)
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Support for Wanson speech recognition or user-defined third-party ASR
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##**Device Interface Components**
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Full-speed USB2.0 device supporting USB Audio Class (UAC) 2.0
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Flexible peripheral interfaces
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Programmable digital general-purpose inputs and outputs
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##**Sample Designs Utilizing Components**
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Far-field voice local commands (FFD)
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Far-field voice assistants (FFVA)
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##**Firmware Management**
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Boot from QSPI flash
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Default firmware image for power-on operation
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Option to boot from a local host processor via SPI
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Device firmware updates (DFU) via USB or other transport methods
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##**Power Consumption**
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Typical power consumption 300-350mW
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As low as 55mW in low power mode (using DEMO VNR)
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##**Evaluation/Development Kits and Boards**
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##**Support**
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for XCORE® platform software
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XTC tools
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Software-defined hardware platform
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Support and training materials to accelerate time to market and reduce risk
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Turnkey sample designs and support peripherals
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Voice application boards and support peripherals
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Application-specific software components such as tunable voice algorithms and third-party voice models (licensable)
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Core application software components such as IO libraries, configuration libraries, math libraries, optional FreeRTOS kernel
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Compiler toolchain, assembler
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Bootloader, debugger, simulator, board support
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xcore.ai product series based on the third-generation XMOS architecture XS3
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##**Evaluation Kit**
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The XK-VOICE-L71 voice evaluation kit can be used with the Raspberry Pi HAT for integration with sample AVS clients or as a standalone USB accessory for host systems.
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##**Features**
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XU316-1024-QF60A-C24 xcore.ai processor
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Raspberry Pi HAT connector
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2 Infineon IM69D130 MEMS microphones
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71mm microphone spacing
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Microphone mute switch
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Speaker output (line level)
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USB / I2S host interface support
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##**Part Number Descriptions**
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XU316-1024-QF60A-C24: 1.8V IO XCORE.AI processor
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XU316-1024-QF60B-C24: 3.3V IO XCORE.AI processor
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XK-VOICE-L71: Voice evaluation kit
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XMOS China Contact:
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Wilson Xiao(Application Solution and Business Cooperation - Senior Manager)<br>
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Email: Wilsonxiao@Xmos.com<br>
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Phaten XMOS Solution Contact:<br>
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Allen Su<br>
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Email: hua@phaten.com<br>
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