seeteeyou Posted September 5, 2016 Share Posted September 5, 2016 Mosaic UV with a single USB input? https://www.ecdesigns.nl/mosaic-uv.html We'll need an adapter like this http://www.pangeaaudio.com/adapters.html € 1750 (without VAT) https://www.ecdesigns.nl/order.html Link to comment
seeteeyou Posted January 20, 2019 Share Posted January 20, 2019 Could the USB port of UPL provide enough power for wireless flash drives such as this 32GB one for $18? https://www.sandisk.com/home/mobile-device-storage/connect-wireless-stick https://www.amazon.com/SanDisk-Connect-Wireless-Stick-Flash/dp/B00ZCFYT5K Hack a Sandisk 32G Wifi enabled flash drive https://forums.hak5.org/topic/30273-hack-a-sandisk-32g-wifi-enabled-flash-drive/ SanDisk Wireless Media Drive Root Crack(and other useful info) https://forums.hak5.org/topic/35884-sandisk-wireless-media-drive-root-crackand-other-useful-info/ SanDisk Connect 32GB Wireless Media Drive root https://forums.hak5.org/topic/41977-sandisk-connect-32gb-wireless-media-drive-root/ We could always add our own USB hub if external power were necessary, though UPL itself might / might not be able to read the files off those somewhat "special" drives. If everything were going as planned while the USB stick could still be accessed locally by UPL and remotely by another computer simultaneously, it could be worth a try to write some relatively simple scripts to manipulate the playlist on the fly. Of course we still need to figure out how slow it REALLY is https://www.theregister.co.uk/2016/08/26/a_usb_stick_as_a_file_server_weve_done_it/ Quote The device is no speed demon: I uploaded a 100MB file over my domestic 802.11ac router and it took 3.5 minutes to finish the transfer. That might seem to be a bummer but thankfully 44.1/16 *.wav files ain't THAT large to begin with. Even if replacing files on the fly weren't feasible, hopefully we could at least read stuff like filename (i.e. title of each track) / folder.jpg (i.e. album art) remotely. Does it sound like something that's doable? Link to comment
seeteeyou Posted February 2, 2019 Share Posted February 2, 2019 Try this one for a few bucks https://www.head-fi.org/threads/toslink-best-sound.877004/ https://www.amazon.com/BlackWeb-BWB17AV001-Digital-Optical-Audio/dp/B078XG61KT Not exactly relevant but worth a read https://www.lightwaveonline.com/articles/2017/11/has-plastic-optical-fiber-s-time-finally-arrived.html Link to comment
seeteeyou Posted February 14, 2019 Share Posted February 14, 2019 https://www.superbestaudiofriends.org/index.php?threads/ec-designs-multi-bit-dac.7170/page-2#post-245291 Quote OK. I can say that I really do like this DAC. Very UltraAnalog sound per early 90s. Attacks are just slightly rounded, but good bass textures and definition. None of that one note PCM1704 bass. As I indicated before, resolution exceeded expectations. Better than Airist RDAC and possibly Modi MB. Link to comment
seeteeyou Posted September 9, 2019 Share Posted September 9, 2019 Hi @hopkins, would you please kindly post some (detailed) impressions after comparing UPL v1 to UPL v2 later? Thanks. Link to comment
seeteeyou Posted December 21, 2019 Share Posted December 21, 2019 It's been exactly two months since John and Gordon mentioned their D/A96TF with Fractal converters. Did anyone get a chance to ask them what to expect in 2020? UPL24E certainly sounded like a winner to me, they're definitely working hard to develop apps for multiple operating systems https://www.diyaudio.com/forums/digital-line-level/79452-building-ultimate-nos-dac-using-tda1541a-738.html#post5950855 nattflax 1 Link to comment
seeteeyou Posted June 11, 2020 Share Posted June 11, 2020 20 hours ago, hopkins said: I understand that ECDesigns plan on offering a version of the application for RaspberryPi, possibly with a touchscreen. Congratulations to ECDesigns ! USBridge Sig with Shanti could be an ideal combo for $400 then http://www.allo.com/shop/sparky-shields/235-usbridge-signature-player.html Quote To lower the noise of the USB, we had to lower noise on EACH rail. In total, USBridge Sig uses more than 30 LDOs. Even the SD card power rail has a dedicated LDO. There are zero switching elements on board. Links to purchase Shanti https://www.allo.com/sparky/shanti.html https://shop.max2play.com/en/allo-shanti-dual-linear-powersupply.html https://www.sossolutions.nl/allo-shanti-dubbele-lineaire-voeding-ultra-low-noise https://www.audiophonics.fr/en/hifi-power-supply/allo-shanti-dual-regulated-linear-power-supply-5v-3a-5v-1a-p-14009.html Similarly priced 5V/3A PSU from John Kenny https://www.ciunas.biz/product-dets https://tirnahifi.org/forum/viewtopic.php?t=4652&i=1 https://www.ciunas.biz/product-page/5v-supercapacitor-power-supply https://www.pinkfishmedia.net/forum/threads/supercapacitor-power-supply-tour.223681/ https://www.pinkfishmedia.net/forum/threads/tour-of-supercapacitor-powered-ciunas-devices.223682/ Link to comment
seeteeyou Posted June 16, 2020 Share Posted June 16, 2020 Just a few fundamental questions about UPL96ETL, many thanks. https://www.ecdesigns.nl/en/shop/upl96etl Quote Samplerate 44.1/96 kHz Does it actually support 48 kHz *.wav files? https://www.kozco.com/tech/piano2.wav Does it actually support 88.2 kHz *.wav files? http://download.oppodigital.com/hra/davidelias/02 - David Elias - The Window - Vision of Her (24-88.2).wav Does it support gapless playback out of the box? https://darko.audio/2020/05/what-is-gapless-playback/ Quote Gapless playback – “the uninterrupted playback of consecutive audio tracks” – is a concept that’s well known to veteran music streamers. https://www.ecdesigns.nl/en/blog/uplremote-software Let's say we're running VNC or Remote Desktop Connection on a desktop / laptop computer after the driver of UPL96ETF is installed, is the user interface of UPL_remote software responding well to the touchscreen when we're accessing that computer remotely via a smartphone / tablet with iOS or Android? Is UPL_remote software able to display ID3v2.3.0 tags in Asian languages correctly instead of showing gibberish characters? I created 5 copies of the same *.wav file with 1 second of silence, then added the corresponding Album / Artist / Title tags accordingly before uploading those *.wav files here https://gofile.io/d/rFHJQA ID3v2.3.0 tags with Japanese / Chinese characters on the left, and then filenames on the right. I verified all of them with MediaInfo as well as MPC-HC, everything looked perfectly fine. Link to comment
seeteeyou Posted July 16, 2020 Share Posted July 16, 2020 https://www.ecdesigns.nl/en/shop/u192etl Quote Based on XMOS XU208. Apparently XMOS-based devices could make use of driver from a different manufacturer as mentioned below https://www.head-fi.org/threads/topping-d30-dsd-dac-xmos-cs4398.821559/page-32#post-15232589 https://audiokarma.org/forums/index.php?threads/topping-d30-no-official-xmos-windows-10-drivers.842912/ Current driver version for XMOS is 4.86.0.42594 and they're including ASIO support already http://www.soncoz.com/uploads/1/2/7/2/127246176/soncoz_usb_audio_dfu_tool.zip http://support.bryston.com/downloads/USB Drivers/v4.86.0/Bryston_USB_DriverSetup_v4.86.0.exe If that weren't working, please try 4.82.0 instead http://jlsounds.com/uploads/JLsounds_USBAudio_v4.82.0.exe http://www.tphifi.net/drivers/topping_usbaudio_setup_v4.82.0.zip https://download.shenzhenaudio.com/Gustard/A18/Gustard_UsbAudio_v4.82.0_setup.exe https://fichiers.touslesdrivers.com/64808/Audeze_UsbAudio_v4.82.0_2020-01-17_setup.exe http://support.bryston.com/downloads/USB Drivers/v4.82.0/Bryston_USB_DriverSetup_v4.82.0.exe https://www.mutec-net.com/downloads/manuals/MUTEC_USB2.0_Audio_Driver_V4.82.0_03-2020.zip https://spl.audio/wp-content/uploads/_downloads/SPLelectronics_TUSBAudio_v4.82.0_2020-01-17_setup.exe https://techsupport.cambridgeaudio.com/hc/en-us/article_attachments/360006976798/USB2.0_driver_v4.82.0.zip ASIO support https://www.foobar2000.org/components/view/foo_out_asio https://www.foobar2000.org/getcomponent/d1b6ccaf4206736daadadd72667d49c3/658d864c9811f00c8c93d781f8f30c61/foo_out_asio.fb2k-component WASAPI output support https://www.foobar2000.org/components/view/foo_out_wasapi https://www.foobar2000.org/getcomponent/0db74e427a9da7d9477e3a6ef8864d99/c0d1ceba18d6aa494838a34485b4bc0a/WASAPI.fb2k-component WASAPI shared output https://www.foobar2000.org/components/view/foo_out_wasapis https://www.foobar2000.org/getcomponent/6e1b053a3b9e3b06eef8d25bb81d9db4/7b1a39511d0d385bb30dec8f0e09ebb2/foo_out_wasapis.fb2k-component Link to comment
seeteeyou Posted July 21, 2020 Share Posted July 21, 2020 3 hours ago, bodiebill said: By the way, does anyone know whether it is possible to feed the U96ETL with I2S using some conversion? Then I could find out how the SDTrans sounds with the ECdesigns combo vs the Terminator. While I do have SDTrans384 myself, it's much better to ask @gstew and @pm325 about the I2C / I2S compatibility of ReceiverPi with Raspberry Pi / Allo USBridge Sig https://github.com/iancanada/DocumentDownload/blob/master/ReceiverPi/ReceiverPiUsersManual.pdf Here's a picture of SDTrans384, maybe either I2C or I2S could work with ReceiverPi? tapatrick 1 Link to comment
seeteeyou Posted July 30, 2020 Share Posted July 30, 2020 Quote Any input presented at the AES3, S/P-DIF or optical can be recorded over the USB. https://audiophilestyle.com/forums/topic/16801-mutec-mc-3/page/42/?tab=comments#comment-611944 On 12/28/2016 at 11:22 PM, julian.david said: This is unfortunately not possible despite the bidirectional USB interface of the MC-3+USB. The reason is that both the MC-3+USB and the DAC are USB slave devices expecting a USB master (i.e. a computer) on the other end of the line. Recording should be supported (i.e. saving to a specific file that's stored on local drive) by Mutec while we're talking about SDTrans384 → Mutec → Computer → U192ETL in real time here. What kinda software could actually accomplish that particular task mentioned above? Link to comment
seeteeyou Posted July 30, 2020 Share Posted July 30, 2020 AFAIK Julian himself is indeed an employee of Mutec https://www.facebook.com/mutecpro/posts/2038324139582039 Quote Producer/engineer and MUTEC associate Julian David Did anyone actually own any USB audio devices that don't require a computer / mobile device of some sort to operate? In other words, the communications between the USB hosts (i.e. computers) and the USB slaves (i.e. USB audio devices) should rely on the device driver to work properly. bodiebill 1 Link to comment
seeteeyou Posted July 31, 2020 Share Posted July 31, 2020 FYI - Greg found that Allo USBridge Sig as well as properly modified + powered RPi 2B could yield excellent results, about the same league as SDTrans384 with a decent (but not his best) PSU http://www.tirnahifi.org/forum/viewtopic.php?f=15&t=4541&start=330#p87998 http://www.tirnahifi.org/forum/viewtopic.php?f=15&t=4541&start=350#p89678 https://www.diyaudio.com/forums/vendor-s-bazaar/337859-shanti-dual-lps-5v-3a-5v-1-5a-10.html#post5809606 https://www.diyaudio.com/forums/vendor-s-bazaar/337859-shanti-dual-lps-5v-3a-5v-1-5a-34.html#post5887722 https://www.diyaudio.com/forums/pc-based/329911-getting-allo-coms-katana-dac-40.html#post5945670 Positive impressions of USBridge Sig https://audiophilestyle.com/forums/topic/30376-a-novel-way-to-massively-improve-the-sq-of-computer-audio-streaming/page/613/?tab=comments#comment-1009197 I guess that maybe SDTrans384 could still be fed to I2S input of ReceiverPi while connecting U192ETL to USBridge Sig then? When it comes to storage, there's always this wide-temperature + SLC option from Apacer but not everyone would like to pay so much for 4GB these days http://eflash.apacerus.com/spec/USB/Drive/EH353/Industrial-USB_EH353.pdf https://www.rutronik24.com/product/apacer/apha004gak0eg-2t/7710798.html https://www.soselectronic.com/products/apacer/apha004gak0eg-2t-307137 Though here's something used from China https://www.ebay.com/itm/Apacer-8GB-Industrial-CFIII-8GB-Extenden-Temperature-CF-card/293621554873 Patrick and others on Tír Na HiFi tried SLC cards and they seemed to be beneficial, others were actually getting larger sizes for installing Windows http://www.tirnahifi.org/forum/viewtopic.php?f=15&t=4541&start=390#p90199 http://jplay.eu/forum/index.php?/topic/2413-apacer-cf-card-extended-range-temperature-as-ssd/ Link to comment
seeteeyou Posted August 3, 2020 Share Posted August 3, 2020 Some of them on SBAF tried MOS16 and then they're speculating about DA96ETF on page 5 https://www.superbestaudiofriends.org/index.php?threads/ec-designs-multi-bit-dac.7170/page-5 Something went wrong on this French forum and finally everything came to an end https://forum-hifi.fr/thread-5709-page-33.html If there were no pandemic whatsoever, maybe John could consider a tour of his products just like this https://pinkfishmedia.net/forum/threads/supercapacitor-power-supply-tour.223681/ https://pinkfishmedia.net/forum/threads/tour-of-supercapacitor-powered-ciunas-devices.223682/ OTOH, someone might decide to mess around and it's hard to tell what would happen https://www.audio “science” review/forum/index.php?threads/ciúnas-audio-iso-dac-teardown-and-failed-review.9653/ https://www.audio “science” review/forum/index.php?threads/ciúnas-dac-usb-dac-review.9788/ https://www.audio “science” review/forum/index.php?threads/ciúnas-iso-dac-usb-dac-teardown-2.9809/ Link to comment
Popular Post seeteeyou Posted August 11, 2020 Popular Post Share Posted August 11, 2020 If Raspberry Pi were connected to U192ETL, there's a way to add multiple inputs via ReceiverPi so that DA96ETF could kinda work with multiple sources. Here's a similar example, GPIO connectors of Raspiberry Pi could actually accept the output of USB-to-I2S DDC https://www.my-hiend.com/vbb/showthread.php?5404-走向超值而極緻的-HI-FI電腦訊源(連載)&p=241147#post241147 Obviously that might seem to be somewhat redundant (connecting one computer to another / going from x86-based PC to ARM-based Raspberry Pi) but the purpose was more about taking advantage of FifoPi in the first place. Three inputs are available on ReceiverPi and its I2S input could be a nice addition, though it's also a good idea to consider adding both HDMIpi Receiver as well as FifoPi https://github.com/iancanada/DocumentDownload/blob/master/HDMIpi/HDMIpiReceiver.pdf Then we might connect SDTrans384 or other SD card transports to that combo https://item.taobao.com/item.htm?id=601209239990 http://www.tirnahifi.org/forum/viewtopic.php?f=15&t=4541&start=400#p90230 Regarding power supply options, this one with 5V/2A output (about €35) just came out recently and supposedly the regulators should be superior when compared to LT3045 https://item.taobao.com/item.htm?id=624841615555 BTW, multiple audiophiles in Taiwan are loving these guys from Daitron https://daitronglobal.com/product/low-noise-power-supplies https://www.daitron.com/lfs-series-low-noise-acdc-power-supply-p-1307.html https://www.militaryaerospace.com/unmanned/article/16719132/navy-chooses-150watt-power-supplies-from-daitron-for-underwater-warfare-systems-support Their LFS50A series and LFS150A series cost 12,000 yen and 17,000 yen respectively https://www.youtube.com/user/Daitoelectron/videos https://www.youtube.com/channel/UCRZCQSRWTBBWOoECoSk-1lQ/videos szczemirek and tapatrick 2 Link to comment
Popular Post seeteeyou Posted August 21, 2020 Popular Post Share Posted August 21, 2020 https://audiophilestyle.com/forums/topic/27936-mystery-revealed-uptone-audio-quotultracap™-lps-1quot/page/23/?tab=comments#comment-727542 On 10/10/2017 at 4:18 AM, Superdad said: As far as your choice of using another LPS-1 for either your Raspberry Pi3B or ISO REGEN: There are many ways to go, and you can experiment to hear what is best. Because the current draw of an ISO REGEN by itself is only about 150mA (plus whatever 5VBUS the attached DAC draws for its USB input), some people power both their streamer/renderer (rPi or microRendu, etc.) and their ISO REGEN from a single LPS-1 using a DC 'Y' cable. Doing so will defeat the galvanic isolation of the ISO REGEN, but all the main performance benefits of the ISO REGEN are still obtained. https://audiophilestyle.com/forums/topic/49667-allo-digione-signature/page/7/?tab=comments#comment-883554 On 10/9/2018 at 10:12 PM, nbpf said: Anyway: I understand that powering both the clean and the dirty side of a Signature from the same PSU via a Y-cable would defeat galvanic isolation. Do you know whether this also the case if the two sides are powered by the two rails of a JS-2? The galvanic isolation would be defeated as mentioned above, would U192ETL be affected by the Y-cable by any chance? We could feed +5V to U192ETL independently in different ways. Two of them would come from iFi Audio https://ifi-audio.com/products/gemini3-0/ https://ifi-audio.com/products/idefender-plus/ Ghent also made some https://www.ghentaudio.com/usb/u21.html https://www.ghentaudio.com/usb/u22.html Another one was recommended by @romaz https://www.monoprice.com/product?p_id=16377 https://www.whatsbestforum.com/threads/taiko-audio-sgm-extreme-the-crème-de-la-crème.27433/page-150#post-631854 BTW, someone shared this image for Raspberry Pi 4 with quite a few tweaks and some audiophiles in Taiwan seemed to like it http://www.stsd99.com/phpBB3/viewtopic.php?f=61&t=2971&start=50#p18940 https://raw.githubusercontent.com/sam0402/pcp-8820hz/master/pcp610-8820hz.z01 https://raw.githubusercontent.com/sam0402/pcp-8820hz/master/pcp610-8820hz.z02 https://raw.githubusercontent.com/sam0402/pcp-8820hz/master/pcp610-8820hz.zip That would be quite a surprise since that McFIFO from IanCanada inside the DAC was also "supposed" to minimize the effects of different source components. bodiebill and tims 2 Link to comment
seeteeyou Posted August 21, 2020 Share Posted August 21, 2020 3 hours ago, bodiebill said: The monoprice one does have an optional power connection, but this is at the PC end, so I am a little puzzled how the power could travel through fiber to the U192? That's more like a hybrid design with both fiber and copper https://audiophilestyle.com/forums/topic/30376-a-novel-way-to-massively-improve-the-sq-of-computer-audio-streaming/page/659/?tab=comments#comment-1055528 http://www.everprotech.com/Products/5/15.aspx Quote In order to compensate for ordinary USB3.0 active fiber cable’s defect that can’t supply power to device, EverPro introduce new generation of USB3.0 hybrid cable (U3HC). On the basis of the use of optical fiber as the transmission medium, U3HC integrate copper to achieve the purpose of supplying power to device. Quote USB2.0 Micro-B Receptacle,Auxiliary power supplyfor device with >2W power dissipation. FYI - here's the wiring schematic of a fairly similar product https://www.stemmer-imaging.com/media/uploads/cabling/14/148246-Alysium-A-USB3.1-Gen-1-AOC-Brochure.pdf#page=4 Link to comment
seeteeyou Posted August 22, 2020 Share Posted August 22, 2020 Most likely the quality of USB cables would still play an important role, and Rob was using this one for $170 https://www.amazon.com/Audioquest-Carbon-USB-Micro-0-75M/dp/B00DQDBBUG Here's his tried and true USB 3.0 hub and it's gotta be powered by decent PSU as well as LT3045 https://www.usaudiomart.com/forum/viewtopic.php?p=8794#p8794 Available for 10 bucks / quids or less, depending on the location of each item while the ones from China might take weeks (or even months?) to deliver https://www.aliexpress.com/item/32605256935.html https://www.aliexpress.com/item/32860299709.html https://www.aliexpress.com/item/33022419824.html https://www.aliexpress.com/item/33033402638.html https://www.aliexpress.com/item/4000104637294.html https://www.aliexpress.com/item/4000414192906.html https://www.aliexpress.com/item/4000585942218.html https://www.aliexpress.com/item/4000741330692.html https://www.aliexpress.com/item/4000801859818.html https://www.aliexpress.com/item/4001051401411.html https://www.aliexpress.com/item/4001175360275.html https://www.ebay.com/itm/Super-Fast-Data-Transfer-Port-7-Port-USB-3-0-HUB-Splitter-On-Off-Switch/373062313031 https://www.ebay.com/itm/Fast-5GBPS-Multi-USB-Hub-7-Port-3-0-LED-Splitter-External-Extension-Cable-Black/184397438180 https://www.ebay.com/itm/7-Port-USB-Hub-High-Speed-Multi-Splitter-Expansion-Power-Adapter-For-PC-Laptop/333677421769 https://www.ebay.com/itm/4Port-USB-3-0-Fast-Data-Transfer-Desktop-Hub-Extender-Extension-Adapter-Splitter/303620428004 https://www.ebay.com/itm/USB-Hub-3-0-Multi-USB-Splitter-4-7-Port-Expander-With-Switch-LED-2-0-Adapter-PC/154043153612 https://www.ebay.com/itm/7-4-Port-USB-3-0-High-Speed-Hub-Splitter-Expansion-Power-Adapter-for-Laptop-Mac/254531664909 https://www.ebay.com/itm/4-7-Port-USB-HUB-3-0-LED-Powered-High-Speed-Splitter-Desktop-PC-Laptop-Adapter/143629503864 https://www.ebay.com/itm/7Port-Powered-USB-3-0-Hub-On-Off-Switches-5Gbps-Multi-Split-AC-Adapter-Cable-PC/264812023784 https://www.ebay.com/itm/7-port-USB-2-0-3-0-HUB-W-Power-On-Off-Switch-High-Speed-Adapter-Cable-For-PC-RF/312353571157 I'm well aware of the KISS principle and Occam's razor etc. but it doesn't hurt to take this into consideration https://audiophilestyle.com/forums/topic/30376-a-novel-way-to-massively-improve-the-sq-of-computer-audio-streaming/page/666/?tab=comments#comment-1059624 https://www.usaudiomart.com/forum/viewtopic.php?p=13858#p13858 Quote I can say the sound quality improvement is something else -- I don't want to go into hyperbole but it's a big jump with dramatic improvement in everything. That's after a couple days of burn in, so hopefully further improvement. Total cost for this is roughly $180. Each 8 port injector is $22, each U Green cable is about $5, the 2.1 mm male to male cable is about $8. If we're willing to wait for the slow boat shipping (i.e. free) from China, each 8-port injector would actually cost just under $10 https://www.aliexpress.com/item/32709350480.html https://www.aliexpress.com/item/32897304783.html Or even 36 RMB ($5 or so) a piece within China / Hong Kong / Macau / Taiwan https://detail.1688.com/offer/554672104415.html Link to comment
seeteeyou Posted August 22, 2020 Share Posted August 22, 2020 4 hours ago, hopkins said: - power the RaspberryPi using any of the hub's USB outputs On 8/13/2020 at 7:31 PM, Ben75 said: You need 2.5A for the RPI4, 2A is not enough. The hub might have to support PD or else 900 mA (limit of each regular USB 3) / 500 mA (limit of each regular USB 2) wouldn't cut it, and then combining the current from multiple USB ports might / might not work reliably. Not sure if these numbers were actually OK for reference? https://www.raspberrypi.org/forums/viewtopic.php?t=257144 Quote I ran my 3B+ at 230mA (USB/ethernet off @ 800MHz). And now on the PI4 I'm at around 465mA@800MHz. Raspberry Pi admits to faulty USB-C design on the Pi 4 https://arstechnica.com/gadgets/2019/07/raspberry-pi-4-uses-incorrect-usb-c-design-wont-work-with-some-chargers/ Exploring The Raspberry Pi 4 USB-C Issue In-Depth https://hackaday.com/2019/07/16/exploring-the-raspberry-pi-4-usb-c-issue-in-depth/ Raspberry Pi 4 won't work with some power cables due to its USB-C design flaw https://www.zdnet.com/article/raspberry-pi-4-wont-work-with-some-power-cables-due-to-its-usb-c-design-flaw/ Why Your USB-C Cable Can't Power Your Raspberry Pi 4 https://lifehacker.com/why-your-usb-c-cable-cant-power-your-raspberry-pi-4-1842033826 RPi 4 USB-C Power Delivery Seems Fixed https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=259629 Raspberry Pi 4 Rev 1.2 Fixes USB-C Power Issues, Improves SD Card Resilience https://www.cnx-software.com/2020/02/24/raspberry-pi-4-rev-1-2-fixes-usb-c-power-issues-improves-sd-card-resilience/ Maybe it's a good idea to get the latest revision then? Link to comment
seeteeyou Posted August 26, 2020 Share Posted August 26, 2020 On 8/23/2020 at 7:21 PM, hopkins said: Because we rarely stop and call it quits in this hobby, I may order the new version of that power supply. Ripple of your HFS30 should be around 3mV http://daitronglobal.com/products/power/list/hfs30/pdf/electric_hfs30.pdf The latest model RFS50A is down to 1mV https://www.daitron.co.jp/products/10014-001WJ-00_RFS50A.pdf Supposedly they're expecting that to be launched in Japan about a month ago, though we might have to wait and see how it goes now due to the ongoing pandemic. Qhwoeprktiyns 1 Link to comment
seeteeyou Posted August 30, 2020 Share Posted August 30, 2020 https://www.xmos.ai/download/XU208-256-TQ64-Datasheet(1.14).pdf#page=27 https://www.digikey.com/product-detail/en/xmos/XU208-256-TQ128-C10/880-1113-ND/5148720 Quote 0.95V ~ 3.6V Most likely other parts would require something lower than 3.6V then? Link to comment
seeteeyou Posted September 7, 2020 Share Posted September 7, 2020 I've got the "big brother" (i.e. D10) of Melco D100 and both of them are USB slave devices, therefore they must be connected to a USB host (i.e. computers / mobile devices / digital audio transports etc.) device first while XMOS XU208 inside U192ETL is also connected to that same device. The whole point really is all about loading USB Mass Storage driver for Melco and USB audio driver for U192ETL respectively. For connecting Blu-ray drives to UPL96ETL via USB, John will have to update its firmware in order to be able to recognize the file system of audio CDs (called CDFS) instead of FAT32 that's found on USB flash drives. Finally it's a completely different story with that upcoming CD transport from Schiit Audio, they're incorporating their own proprietary USB board so that's gonna act more like USB host device on its own https://www.head-fi.org/threads/what-a-long-strange-trip-its-been-robert-hunter.784471/page-516#post-14230379 Quote Then we have the new USB board, which we would roll our own implementation into a generic Microchip Pic Part. Up to now, the best choices are XMOS or C-Media (which we now use). https://www.head-fi.org/threads/what-a-long-strange-trip-its-been-robert-hunter.784471/page-649#post-14700297 Quote So the transport will include a USB host (audio output) Link to comment
seeteeyou Posted September 7, 2020 Share Posted September 7, 2020 It's definitely Melco D100 as linked below, that USB 3.0 port on the left (USB 3.0 TO DEVICE) is more like USB hub for connecting another USB DAC / DDC such as U192ETL so that both D100 and USB DAC / DDC could talk to the same USB host device simultaneously https://www.melco-audio.com/products/d100/ https://www.melco-audio-masters.com/uploads/1/0/1/5/101505220/quick_setup_guide_d100_usb_optical_disc_drive_for_audio.pdf#page=5 Once again XMOS U208 inside U192ETL won't work without a specific device driver loaded and therefore Melco D100 by itself couldn't do anything about the device driver part, therefore we still have to connect our computers (e.g. Raspberry Pi etc.) or digital audio transports (i.e. Bryston BDP-1 etc.) to that USB 3.0 port (USB 3.0 TO HOST) right in the middle of Melco D100. That CD transport from Schiit Audio really is a special case because they're spending a fairly long time to work on the USB host part. Link to comment
seeteeyou Posted September 8, 2020 Share Posted September 8, 2020 FYI - if we weren't interested in Y-cable at all, here's a solution for motherboards with free PCIe slot(s) so that DC 5V could be fed externally via SATA power connector https://www.whatsbestforum.com/threads/taiko-audio-sgm-extreme-the-crème-de-la-crème.27433/page-141#post-628895 Quote The stock USB port on the Extreme is probably the best sounding stock USB port I have heard. According to Emile, this port is based off of the ASM3142 chipset that he really likes. USB 3.1 PCI Express Card 2-Ports Superspeed USB 3.1 10Gbps Raiser Adapter PCIE PCI-E 3.0 X4 ASMedia ASM3142 Chipset for Desktop https://www.aliexpress.com/item/32950854951.html Delock PCIe X4 2X External USB 3.1 Gen2 A USB Controller https://www.delock.com/produkt/90298/merkmale.html https://www.amazon.com/Delock-PCIe-External-Gen2-Controller/dp/B07MQFZK9B Quote • Power supply via PCI Express interface or via SATA 15 pin power connector Ben75 1 Link to comment
seeteeyou Posted October 12, 2020 Share Posted October 12, 2020 On 10/10/2020 at 4:49 PM, Huubster said: I experienced that the real benefits for me are elsewhere, and that is on the source end of my chain. As mentioned before, the Paul Hynes SR4 LPS in combination with my Innuos Zen Mini blew the UPL out of the water really. On 10/11/2020 at 1:31 AM, bodiebill said: The question remains: was there something seriously good in @Huubster's setup with the U192 + Zen Mini combination? Or was something seriously wrong with the UPL? It would be nice to get some more data points. We've gotta find out if there were any confounding factors, were both U192ETL and UPL96ETL connected to Zen Mini with the same USB cable as well as the same USB port? (i.e. USB signal integrity / the source of power must be identical.) If all of the above were true, was Innuos Zen Mini itself constantly powered by SR4 during the comparison between U192ETL and UPL96ETL? Was SR4 itself plugged into the same outlet / socket with the same AC power cable? AC power would tend to perform MUCH better in the middle of the night, were both U192ETL and UPL96ETL tested around the same time slot? The crystal / clock inside each unit would take quite a bit of time to stabilize, were both U192ETL and UPL96ETL powered on for at least several hours before the comparison was conducted? https://audiophilestyle.com/forums/topic/24966-ecdesigns/page/29/?tab=comments#comment-1072593 On 8/8/2020 at 1:39 AM, hopkins said: Perhaps in the first tests the U192 had not "warmed up" yet, or perhaps the surrounding high noise devices created some interferences that the UPL (which does not receive music data from the "control" computer) was less sensitive to ? Link to comment
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now