Design Benefits:
- USB 2.0 High-Speed (480MHz) Audio / MIDI system
- Leading-edge performance technology based on an affordable, low-current chipset
- 32-bit audio processing with 4 input and 4 output channels
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USB 2.0 High-Speed Audio Junction Reference Design
Third Party: Ploytec GmbHKey Features
Hardware
- USB 2.0 High-Speed (480MHz) Audio / MIDI system
- Leading-edge performance technology based on an affordable, low-current chipset
- 32-bit audio processing with 4 input and 4 output channels
- Optionally up to 8 input and 8 output channels at max. 96kHz
- Optionally up to 16 input and 16 output channels at max. 48kHz
- Optionally ADAT output interface
- Samplerates: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz or 192kHz
- USB2.0 (3.0) bus- or self-powered power supply mode
- Sensationally low jitter (<10mUI) due to FMC™ (Fixed-Master-Clock) technology
- No samplerate conversion or clock recovery for true 1:1 audio
- Assignable stereo (1/4” TRS) line input and headphone output on the eval board
- Up to four MIDI input and output ports (fast USB2.0 I/O bulk transfer)
- Optional USB3.0 extension possible via companion chip
- Can be slaved to any I2S digital audio interface (CODEC or DIR/DIT as master)
- Based on the low cost (<EUR 2.00) 32-bit high performance Microchip® ATSAM3U1C microcontroller
Software
- Optional Apple MFi certification possible
- Multi-application mode - simultaneous ASIO and/or WDM playback
- Extremely low latency Windows ASIO and WDM driver (adjustable in multiple parameters)
- Default USB interrupt mode transactions on Windows for better performance
- Fully USB Audio Class 2.0 compliant (isoc asynchronous mode)
- Optionally compatible with the Windows 10 Fall Creators Update's Class 2.0 support
- Software installer and advanced ASIO control panel for Windows
Firmware
- Firmware updating via USB for programming future updates
- Handy 4x4 audiomixer in firmware (low latency monitoring)
- Direct USB2.0 tripple buffer capture and playback for lowest technically achievable latency
- Long term design experience with hundreds of thousands of USB Audio units licensed worldwide