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USB Audio 2.0 MC Reference Design Quick Start
https://docs.rs-online.com/b71c/0900766b814b3015.pdf
The USB Audio 2.0 Multichannel Reference Design (XS1-L2 Edition) is a hardware reference design for a multi-channel USB audio interface using …
USB Audio to I2 CP2615 Data Sheet
https://www.silabs.com/documents/public/data-sheets/cp2615-datasheet.pdf
CP2615 includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, I2S (audio) interface, I2C (control) interface and UART interface in a compact 5 x 5 mm QFN-32 package ideal for space-constrained portable audio applications. The CP2615 device is ideal for a wide range of USB Audio applications, including the following KEY FEATURES • USB Audio class 1.0 • …
XMOS Reference Design For USB Audio 2.0
https://www.electronicsweekly.com/news/design/communications/xmos-reference-design-for-usb-audio-2-0-2009-11/
XMOS Reference Design For USB Audio 2.0. XMOS has announced the industry’s first reference design for USB Audio 2.0. The solution enables standard computer-based systems to deliver bit-perfect prosumer quality sound. “Streamed PC audio delivery and replay has rapidly become the norm, and it’s essential that the industry continues to design systems capable of …
DSD audio over USB: an XMOS Reference Design ...
https://www.diyaudio.com/community/threads/dsd-audio-over-usb-an-xmos-reference-design-implementation.205767/
Fully compatible firmware for the XMOS USB Audio 2.0 Reference Design. It accepts all sampling rates and changes DSD/I2S on the fly, even at 176.4kHz! Works flawlessly. Tested extensively by my good friend adelias with our modified version of mpd, that supports standard v1.0, in combination with a Sabre32 DAC.
USB to simultaneous data (or I2S) board - Audial
https://www.audialonline.com/blog/usb-to-simultaneous-data-or-i2s-board/
It means that at one side it connects to PC via USB port and, by operating as asynchronous (master) USB Audio Class 2.0 device, it accepts up to 192 kHz sampling rates. On the other side it outputs “raw” PCM signal, in Philips simultaneous data, or I2S form, that can be sent to D/A chips. Also, it provides galvanic decoupling in between.
Hi-Resolution System Intro + 192KHz 24bit - Audio Design Guide
http://www.audiodesignguide.com/HiResolution/
USB 2.0 device; Low jitter on-board oscillators; Kernel streaming and direct sound operation; Compatible with Windows XP, Vista and MacOS Accepts all common high-quality files’ sampling frequencies: 44.1, 48, 88.2,96, 176.4 and 192kHz; LVCMOS I2S output; cost about 70$ Xmos - USB Audio 2.0 Reference Design. Event-driven XS1-L1 128TQFP device
Recommended USB to I2S interface for PCM1794 - Audio forum ...
https://e2e.ti.com/support/audio-group/audio/f/audio-forum/529118/recommended-usb-to-i2s-interface-for-pcm1794
There is also new chip from XMOS which has embedded firmware for USB to I2S and S/PDIF solution. His name is XHRA-2HPA and is available from DigiKey. It support sample frequencies up to 384kHz, USB Audio Class 2.0 and HID GPI pins for some buttons. You don't need any programming knowledge, because firmware was made by chip manufacturer. Best ...
XMOS XS1-L1 USB Audio 2.0 Reference Design - Async USB ...
https://www.head-fi.org/threads/xmos-xs1-l1-usb-audio-2-0-reference-design-async-usb-audio-transport-for-149.580996/
Case I currently used with it: A cardboard packaging box (originally came with my Mofi case purchase) with cut-outs for the TOSLINK and USB cables Board Inputs: USB 2.0 B-type input, 3.5mm audio in Board Outputs: TOSLINK (bandwidth limited to 24bit/96kHz) and 3.5mm line out (decode up to 24bit/192kHz)
USB audio to I2S bridge 352/384 32 - Q&A - Audio ...
https://ez.analog.com/audio/f/q-a/3151/usb-audio-to-i2s-bridge-352-384-32
Either as one component or as a combination. It should handle USB 2, PCM 352/384 32 bit and DSD128 to PCM 176. On the other end there is a DSP (ADAU1467) running at 192/32. Audio direction is only from USB host to DSP. Since the DSP is running at 192, the bridge must be able to perform the sample rate conversion of the PCM stream down to 176/192.
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