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IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
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Old 14th October 2019, 11:25 AM   #1011
hosoludi is offline hosoludi  Switzerland
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Join Date: Nov 2018
Can you guys give me an advice for building my Raspberry Streamer.?
ATM im using a Hifiberry Digi Pro. with RoPieee


I have to following requirements:

i2s over HDMI Output.
i2s over USB Output
highest Possible Rates





What would be nice to have:

Optional a coax output
Bluetooth input. (maybe that will be better implemented via usb bluetooth dongle?)






As Powersupply i think i will use a
Audiophile Super-Netzteile, High-End Analog Netzteile fr DA-Wandler; Raspberry Pi
(I dont like to have lipos in my system)

Or do you think it will be better using something different then a Raspi?
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Old 14th October 2019, 04:35 PM   #1012
pinnocchio is offline pinnocchio  Canada
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Hi Ian,

I'd like to buy the ReceiverPi and the new shield. Also, I have the same Amanera that you use in the picture with the Crystek clocks. What is the daughter board that mate with it?

Thanks
Do
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Old 14th October 2019, 05:27 PM   #1013
iancanada is offline iancanada  Canada
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IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
@Do,

I use PlusarClocks in the setup. New ShieldPi PCB is compatible with them.

The small daughter board is an I2S isolator which I designed long time ago. But I don't think you will need it because there is built-in isolator integrated in FifoPi already.

Regards,
Ian
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Old 14th October 2019, 08:28 PM   #1014
randytsuch is offline randytsuch
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Location: LA
Quote:
Originally Posted by hosoludi View Post
Can you guys give me an advice for building my Raspberry Streamer.?
ATM im using a Hifiberry Digi Pro. with RoPieee


I have to following requirements:

i2s over HDMI Output.
i2s over USB Output
highest Possible Rates





What would be nice to have:

Optional a coax output
Bluetooth input. (maybe that will be better implemented via usb bluetooth dongle?)






As Powersupply i think i will use a
Audiophile Super-Netzteile, High-End Analog Netzteile fr DA-Wandler; Raspberry Pi
(I dont like to have lipos in my system)

Or do you think it will be better using something different then a Raspi?
I didn't see a 3.3V option for your PS. You need 3.3V for the DAC, and should use a good 3.3V supply for the fifopi too.

I think Ian's ReceiverPi may let you hook up I2S signals from a USB/I2S converter or a HDMI receiver, but don't know any details for it.

Good luck.

Randy
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Old 18th October 2019, 06:37 AM   #1015
pinnocchio is offline pinnocchio  Canada
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Those PlusarClocks are now unobtanium... Pulsar responded to me saying the business has been shutdown...
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DACs : Mirand AK4490 + Discrete Output | Ian Dual ES9038K2M | Speakers : Troels Gravesen ATS-4 | Sagwee LT V3 |
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Old 18th October 2019, 11:26 AM   #1016
wealas is offline wealas
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Well, depends on how much you are willing to pay You can get them without the pulsar sticker here: Magic Xtal but you need to order at least 5 of each frequency you want (and they quoted me $350 each).
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Old 18th October 2019, 12:25 PM   #1017
diyiggy is offline diyiggy
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Or simple try th Andrea Mori oscillator co designed on diyaudio with Laptech sc cut xtal....
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Old 18th October 2019, 08:52 PM   #1018
xaled is offline xaled  Germany
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I think I missed it - what does the new ShieldPi V2.0 do?
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Old 25th October 2019, 04:54 AM   #1019
iancanada is offline iancanada  Canada
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IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
Default GPIO I2S/DSD terminator

GPIO I2S/DSD terminator

To be Plugged into the last piece of the stack, normally the DAC HAT. Works with FifoPi and all other RPi audio applications that use GPIO for I2S/DSD signals. Making some compensation to improve signal quality a little bit and reduce the over all noise fed into DAC from the GPIO digital audio signal and ground.

Click the image to open in full size.
GPIOterminator1
by Ian, on Flickr

Ian
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Old 25th October 2019, 03:50 PM   #1020
jimk04 is offline jimk04  United Kingdom
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^^^Obviously better than leaving the last pins open then. Interesting.

I recently added 3 rails to the dual mono dac. Used an Ebay LT1963 module with 3 separate regs. All at 3.3v naturally. Sounding very good. I need to add some supercaps after my last attempt with Panasonic 0.33F buttons wouldn't clear the board beneath.

Shall hopefully soon be sorting a fifo board and the new receiverpi looks great....I really want an optical input.

I did purchase a DIYINHK optical port . The dual dac has some pads to connect to for spdif input. How is this wired?
And also how do we actually listen through this optical input. Just by powering down the Rpi so no i2s signal present?

Last edited by jimk04; 25th October 2019 at 04:06 PM.
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