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The MCHStreamer is a multi-channel asynchronous USB interface that supports a myriad of digital I/O formats and leverages miniDSP's XMOS expertise. . Packaged on a tiny 40x62mm PCB, the MCHStreamer is a perfect fit for OEM/DIY integration or for Research & Development applications.  

By loading one of the miniDSP-provided firmware packages, MCHStreamer supports optical TOSLINK, ADAT, S/PDIF (coax), I2S, TDM, DSD and PDM data formats. This USB Audio Class 2 (UAC2) compliant interface truly is the swiss-army knife for audio developers looking to provide an audio interface to PC/MAC/Linux, iOS and Android. It even supports format conversion from 16x PDM MEMS microphone to I2S  which makes it a powerful tool for beamforming/voice  algorithm development. 

 

Features

• Multi-channel USB audio interface (up to 24x24)
• Wide range of digital IO format depending on the loaded firmware: TOSLINK, ADAT, S/PDIF (coax), I2S, TDM, DSD and PDM data formats
• Native support up to 32bit / 384kHz
• PDM to I2S converter for up to 16 MEMS microphones
• Multichannel DSD (up to 8ch) support
• USB 2.0 High speed and Audio class 2.0 device / Asynchronous USB synchronization
• OS compatible: Win/Mac/Linux 2.0/Android/Ios (with Camera kit dongle)
• Toslink (optical) and SPDIF (coax) transmitter and receiver
• Flexible board powering option: USB powered or External DC input power

Product Downloads

• MCHStreamer Datasheet
• MCHtreamer User manual

What's in the box?

• 1 x MCHStreamer board
• 1 x 1m long USB audio cable
• 2 * Toslink audio cables
• 2 * 2x6pin (2mm pitch) header cable harness for I2S In/Out interfacing

 

Item	Description
USB Streaming engine	XMOS XCore 200 / USB 2.0 full speed - USB Audio class 2.0 compliant
Drivers	Driverless interface for Mac OS X v10.6.4 and up Free Windows ASIO driver (XP/Vista/7/8/Win10) Linux Alsa compliant driver Apple IoS (ipad/iphone) using Camera kit - multichannel audio streaming
Logic Level formats	SPDIF: Stereo in/out - 24bit up to 192kHz I2S: Up to 8ch bidirectional audio - 24/32bit up to 384kHz TDM8: Up to 24ch bidirection audio - 44.1/48/88.2/96k PDM: Up to 16ch audio recording - 24bit up to 48kHz DSD: Up to 8ch DSD64/128/256 Consult user manual for more details
Optical input & Output	Toslink: Stereo support up to 44.1/48/88.2/96/176.4 kHz ADAT : 8ch ADAT mode @ 48/44.1k and 4ch ADAT mode @ 96kHz
Expansion connector	2 x 12pin, 2mm pitch expansion connector for connectivity to hardware.
Mounting	2 x Right Angle brackets allow easy chassis mounting with M3 threaded hole.
Power supply	USB powered OR 5Vdc external supply via header - 300mA requirement
Dimensions (H x W x D) mm	13 x 40 x 62 mm