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How simple can an audio computer be? |
Post Reply | Page <1 4445464748 51> |
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Ash
Senior Member Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4334 |
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Pre-ordered two Hackboard 2 boards with heatsinks. Will be a few weeks before I can have a play with them. Will get on with selling my surplus computers in the meantime. The GPIO will bridge the gap between Intel and RPi-based motherboards.
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We do not see things as they are. We see things as we are.
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Ash
Senior Member Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4334 |
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Pink Faun S/PDIF card arrived today. Cardboard box is a little beat up but the contents are fine. Plugged it into my motherboard powered by Molex and it is recognised as a sound device in Windows 10. I look forward to hooking this up to the Majestic DAC over the coming days.
P.S Graham, CMI8888
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We do not see things as they are. We see things as we are.
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Ash
Senior Member Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4334 |
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The S/PDIF PCIe card. The white area behind it is the area of the Hackboard 2 that I will be pairing it with via one of the M.2 NVMe (PCIe x4) slots. As I have two Hackboards on order, I could try networking them for enormous local storage options. But while I wait for the Hackboards to arrive, I will plug the card back into my mini-ITX and test the dual-coax with my audio system to check that I haven't been foolish with my spend. Thinking of adding a Pi HAT onto the 40-pin GPIO that offers SATA power and data connectors so that I can hook up a non-USB CD/DVD/Bluray drive to the Hackboard. Will have to learn some Python programming though.
Edited by Ash - 15 Mar 2021 at 6:45pm |
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We do not see things as they are. We see things as we are.
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Ash
Senior Member Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4334 |
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https://www.silicondevice.com/file.upload/images/Gid1508Pdf_CM8888DMS_Datasheet_v1.1.pdf
^ Go to page 10 I guess the only way to beat a S/PDIF transport into an external DAC, which is essentially I^2S -> S/PDIF out -> S/PDIF in -> I^2S, is no conversion from I^2S in the first place. But as I^2S isn't a durable transport medium, the transmission distance would have to be very short so the transport and the D/A converter would have to be on the same isolated PCB with a linear power supply. This is beyond my abilities sadly. Anyone who does the above with a DAC like Graham's is going to absolutely smash digital audio out of the park!
Edited by Ash - 15 Mar 2021 at 8:40pm |
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We do not see things as they are. We see things as we are.
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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Pin 126 is Dout AKA SPDIF at logic level, and if that were connected to a toslink transmitter there would be no I2S at all. Assuming the card works, as my equivalent did not.
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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less
Senior Member Joined: 27 May 2008 Location: Clevedon Status: Offline Points: 334 |
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/Quote (Graham Slee ) At the risk of upsetting Ash, this is also how some computers were / are built! Choose your cards, slot into frame load os and boot up. Perhaps Ash that is the sort of solution that might suit you, based on your previous posts. Regards Les
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I don't do mediocrity!
Les Sutherland |
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Ash
Senior Member Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4334 |
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I do wish computers were even more modular than they are. Plugging in what you want and leaving out what you don't want.
Motherboard computers are just a few things plugged together, simple stuff. The programming that controls it all is the hard bit.
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We do not see things as they are. We see things as we are.
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