Love it! Thanks! Just sharing my workbench fun w/pi/dacs. Everytime posting fear a dislike ;D or maybe I need one!
Nah, embrace the dislike, if they know you have nothing to fear they have no power over you. Nothing to dislike but dislike itself.
I'm looking for multichannel I2S -> SPDIF solution. Preferably a single chip like the ak4101. Are you aware of any projects out there that can do this?
The multichannel isn't really for home theater though. It's for an active 3-way with FIR filter. I want something like the miniDSP HD, but with digital outputs so I can use my own DACs. Maybe there's already some professional digital processor out there that does it.
I know Ian Canada has a multichannel FIFO and reclock, but haven't seen a 8 channel DAC or I2S -> SPDIF implementation
But just for the buttons to send commands. They are using the Pi as its intent - as a test device for development. Still pretty cool.
The most crucial things about a disc transport that are often overlooked: 1) clean digital out (duh, Mike knows this) 2) Error resilience! Check the Stereophile measurements for CD reviews. reading big gaps consistently is huge, and is what really differentiates CDPs.
Surprised by LYR3/LISST timbre/stage/fullness -- classA without the tradeoffs? re: Jasons new circuit. Anyone compare to Jot?
I'm sure they're working on other phono stages, but I seriously doubt they'd discontinue the Mani when it sells so well. I bet it's just the parts shortage that's keeping it out of stock.
mac spotify (free 160kbps) > optical > moby > lyr3 > adcom > debut 6.2 -- fun/sizzly/eotd fatiguing, whats going on? Timbre expansion?
I can barely tolerate Spotify at 320 kbps ... and that's just in comparison to all the other lossy streaming sources ... so I'd expect it's simply a case of Ogg at 160 kbps just not being up to modern MP3/AAC encodings at similar bit-rates.
Think yourself lucky - persuading Spotify to stream to my living room Pi entails Stream What You Hear - which transcodes it on the fly to PCM or various bitrates of MP3. Although it's only for background, I should really test some of the alternatives to see which sounds the least bad...
Moby>Lyr3(preamp)>Adcom510>ElacB6.2 First try as preamp, Vivid spine tingling! Amp rail fuse blew. Need more power! https://goo.gl/GmHEQf
I might be selling a GFA-555 v1 soon in perfectly functional shape if you're interested, used it with maggie 3.6R's to great success.
FPGA--> R2R/i2s/SPDIFF/FILTERS--> is there code floating out there or something? R2R is easy* to layout, but the FPGA code ain't so simple.
Well if Scott is correct, that it is using parallel "loading", most dac chips take in serial data...so im not sure many, if any, of the off the shelf chips for that purpose would work.
Have to hold my tongue on that apple homepod, I don't think sound can sound any more processed, hollow than that abomination.
7 tweeters suggests they they fundamentally do not get single point source sound, and that's just the start -- $79 bucks at most WITH the apple tax, and I LIKE apple
https://www.head-fi.org/threads/what-a-long-strange-trip-its-been-robert-hunter.784471/page-540#post-14260921
My theory is, simplify manufacturing, re-use the adante tweeter, make it work in a non-concentric design. Fail if you ask me.
I am a fan of AJ’s work too. Steve G has a video interview with him about the Debut 2.0 series, and I got the sense that almost all of the modifications were about aesthetics and alleviating customer nervosa about the rear port. So not really aimed at audiophiles anymore. Bummer!
It's my current 2014 mac, was researching new ones... normal people would say-- but-- USB ;D lol, and they're probably right
Yes, the feature reduction continues apace. I'm somewhat surprised that the new iPads still have headphone jacks.
I figured you would want to roll your own since you want to enable DSD. If modding the gen 2 board does this mean you are going to remove the USB port and controller?
No... there's a 4 resistor array connecting the 4 i2s lines from the output of the USB chip to the ak4490's, just pull that and tap directly in. Not that destructive at all... can jumper the USB back in. There's some logic detecting USB, but already figured that out with the Moby. Cakewalk. DSD uses the same i2s, it's just a matter of setting a pin high/low on the AK4490's.
Hell, has anyone tried DSD into the lyr3 via USB? @schiit is probably disabling it on purpose thru the USB firmware.
@Cspirou with a HAT. Sorta uhhh IMO, considering you can get PoE HATs for the previous PIs, just a lot less elegantly.
