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Achieving High Fidelity Sound |
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Sylvain 
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Joined: 18 Jan 2010 Status: Online Points: 426 |
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 Posted: 01 Apr 2023 at 3:10pm |
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interesting ....let us read of your progress
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Ash
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Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4218 |
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Posted: 01 Apr 2023 at 10:12pm |
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I could opt for the de next - V2K8 (below) embedded Ryzen board, which is femto ITX (Raspberry Pi 4B size) rather than pico ITX. But there is reduced connectivity/hardware specs and passive thermal management will be more of a challenge. The pico is 2.5" SSD sized or roughly the size of a Bitzie, so by the time you add heatsinks and peripherals, there is no advantage of going any smaller.
 Update - After further comparison of the features, board dimensions and port layout, the de next V2K8 would be the Ryzen board that I would choose. The PICO-V2K4 has onboard NVMe storage, which I'm not a fan of. I prefer storage to be removeable and replaceable. I also don't like how the M.2 drive would sit underneath the heatsink or cooling solution so is not directly accessible and is also very close to the CPU, so they may keep each other warm/hot. I prefer the M.2 slot on the other side of the board in case I want to use a PCIe adapter and plug a PCIe card directly into the board. Only has HDMI 1.4 so can't do 4K 60Hz but I doubt this is a problem considering it would be for streaming media, not for gaming. So this computer is the size of a credit card so would need a hefty heatsink for passive cooling. But it does have all the core connectivity I need. 1xSATA slot for storage and operating system 1xFront Panel Connector header for PCIe soundcard 1xM.2 slot for second PCIe soundcard or for wifi/cellular card USB 3.2 port for USB optical drive for CD/DVD/Blu-Ray USB 2.0 header for mouse/keyboard/wifi
Edited by Ash - 13 Apr 2023 at 1:59pm |
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A person convinced against their will is of the same opinion still.
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Ash
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Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4218 |
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Posted: 12 May 2023 at 9:31pm |
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I decided to not opt for these small Ryzen boards because they are so expensive for the specs. I have an UP Xtreme i12 Celeron variant. This single board computer should be suitable for streaming hi-res audio and 4K playback, despite the low 1.0GHz single-core clock speed. This would be a cool comparison against the Raspberry Pi 4B as the graphics should be much better. The spec is as follows:
CPU: Celeron 7305e embedded 5-core 5-thread 1.0GHz base clock (No boost) 12-15W TDP iGPU: Intel UHD graphics 48EUs RAM: 8GB DDR5 4800MHz embedded chips Storage: SATA 3 or M.2 I/O: 2x M.2 2280 PCIe Gen4 x4, 1x M.2 2230, 1x M.2 3052, 1x SATA3, 1x 40-pin GPIO (RPi compatible), 1x USB4, 3x USB 3.2, 3x USB 2.0 (including header), 2x COM port, dual ethernet (2.5Gb and 1Gb), HDMI 2.1, DP, headphone jack OS: Windows 10/11 or Linux Board size: 120mm x 122mm (Nano-ITX) Cooling solution: Heatsink with thermal paste and fan (low TDP allows fanless operation) Power: 12-36V I could run this headless from a smartphone with both Pink Faun PCIe cards. Seems to play 4K video on Youtube fine. Haven't checked the dropped frames count but any visible buffering seemed to be due to the wifi signal, not because the CPU couldn't manage the task.  If the Celeron isn't sufficient, I could try the i3, i5 or i7 variant in the 'Edge' enclosure so it is still a fanless system. Would check the PCIe card compatibility with Linux beforehand. If I had the know-how, I could program the GPIO to use the Hifiberry Digi+ Pro / Pi2AES Lite as a soundcard. Although it would be easier to screw the RPi4 w/ soundcard onto the posts and network it to the computer.
Edited by Ash - 12 May 2023 at 9:52pm |
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A person convinced against their will is of the same opinion still.
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