Skip to content

Multi-Channel USB HiFi Decoder Single-Chip Solution

A single-chip USB HiFi audio processing platform based on HFXXXXX-VB1, enabling product development completion within two weeks

Solution Rendering

Solution Overview

The "Multi-Channel USB HiFi Decoder Single-Chip Solution" is a complete audio processing platform based on the HFXXXXX-VB1 high-performance decoder, specifically designed for rapid development of high-end desktop HiFi audio products. This solution supports a rich array of digital audio input interfaces, including USB, optical, coaxial, HDMI ARC, and Bluetooth, while providing high-quality I²S output that can connect to various high-end DAC chips.

By utilizing HFXXXXX-VB1 as the core processing unit, this solution greatly simplifies the product development process, reducing the traditional 3-6 month development cycle to just 2-4 weeks, while ensuring excellent audio performance and stable system operation.

Solution Highlights

  • Rapid Development Cycle

    Standard product development based on PHXXXXXL_VC1, no chip-level development required

    • Product development completed in 2 weeks
    • Product market launch in 4 weeks
    • Open-source MCU configuration code

  • High Integration, Lower Total Product Cost

    • Integrated USB interface and multiple SPDIF inputs/outputs
    • Built-in ASRC/SSRC, no external ASRC chip required
    • Reduces hardware costs and development complexity
    • Lowers overall BOM cost

  • Audiophile-Grade Audio Specifications

    Supports multiple high-resolution audio formats

    • PCM 768kHz/32bit
    • DSD64/128/256/512
    • MQA decoding (HFXXXXXQ-VB1 model)
    • 8-band equalizer adjustment

  • Audiophile-Grade Performance Metrics

    • Signal-to-Noise Ratio (SNR):
      • ASRC mode > 135dB
      • SSRC mode > 140dB
    • ASRC/SSRC Total Harmonic Distortion + Noise (THD+N): < -130dB (@1kHz, 0dBFs)

  • Multi-Interface Integration

    • Seamless switching between various input modes via serial protocol
    • Multiple pre-programmed working modes, plug-and-play
    • Open-source MCU reference code, simplified control logic development

Traditional Solution VS HFXXXXX-VB1 Solution Comparison

  • Traditional Multi-Chip Solution

    Traditional Solution

    • 3-5 Chips: USB controller + ASRC chip + Signal conversion chip + MCU + Additional accessories
    • Complex Hardware Design: Requires managing clock synchronization and signal routing between multiple chips
    • High BOM Cost: Multi-chip solution costs $5-10 more per unit
    • Extended Development Cycle: Typically requires 3-6 months for development and debugging
    • Challenging Firmware Development: Requires in-depth understanding of programming methods for multiple chips

  • HFXXXXX-VB1 Solution

    HFXXXXX-VB1 Solution

    • Highly Integrated: Single HFXXXXX-VB1+MCU implements all functions
    • Simplified Hardware Design: Reduces components and PCB area by over 50%
    • Optimized BOM Cost: Significantly lowers overall hardware costs
    • Accelerated Development Cycle: Product development can be completed in as little as 2 weeks, market-ready in 4 weeks
    • Zero Firmware Development Burden: Pre-programmed firmware, simple serial configuration for control

  • HFXXXXX-VB1/HFXXXXXQ-VB1

    High-performance USB HiFi decoder product series, supporting up to PCM 768kHz/DSD512, with built-in ASRC/SSRC.

    View Details

  • A316-1926-V1

    XU316 audio processing module, integrating high-precision clock and power management.

    View Details

  • Recommended DAC Chips

    • AKM4493SEQ: High-performance 32-bit stereo DAC
    • ESS9038Q2M/ESS9039Q2M: Audiophile-grade HiFi DAC

  • A316-HF-DAC-V1

    USB HiFi Audio Decoder Evaluation Board

    View Details