Mico: A PDM to USB microphone based on the Raspberry Pi RP2040 · electronut
Singxer Q1 – USB Digital Interface Board – XU208 chip | Kitsune HiFi - HoloAudio USA
PCM2706C USB to I2S
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New CP2615 USB-to-I2S Bridge Chip from Silicon Labs for Simple Digital Audio Designs | audioXpress
AT32UC3A3256 USB to I2S (AudioWidget compatible)
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XMOS 768kHz DXD DSD512(DSD1024) high-quality USB Type-C to I2S/DSD PCB
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PCM2706 USB DAC with S/PDIF and I2S interface from m1l3n on Tindie
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USB to SPDIF, I2S Processor TE7022 Chip Supports 24-bit 96K Samples | eBay
USB Type-C Male OTG to TTL Serial Bridge Board – ElectroDragon
OLED | Dimdim's Blog
New Xmos Xu208 U208 Usb To I2s Iis Dsd Converter 384k Xmos Xu208 Usb Digital Interface Module For Dac,amazing Sounding - Home Theater Amplifiers - AliExpress
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PCM2906C: Audio IC for USB to TDM format - Audio forum - Audio - TI E2E support forums