ES9038Q2M: interesting facts + ES9038Q2M DAC HAT by „iancanada“..

so, 😉
came by chance about this facts/post in this very interesting forum->http://www.diyaudio.com/forums/pc-based/302687-es9018k2m-es9028q2m-9038q2m-dsd-i2s-dac-hats-raspberry-pi-17.html
iancanada“ posted:“..ES9018 and ES9028 need the small DoP daughter board (which can be plugged in the IsolatorPi) to convert the DoP stream into DSD. However ES9038Q2M has a built in DoP decoder, so, for ES9038Q2M, the DoP daughter board is not a must.“,
+“ESS9018/28/38 has internal 32bit digital volume control. Much better than any 24bit digital volume control, but still not as good as the analog one on my PASS XP-10. However according to my listening experience, the difference is not that huge.“..

by that his „ES9038Q2M DAC HAT“ looks very fine, neat and „sophisticated“ 😉 ; mail him..😉
(also very interesting other (DIY-Audio) projects there !! ->https://github.com/iancanada)

ES9038Q2M: I2C-connection/TFTLCD-displays SDA/SCL

so, 😉
came by chance about this „new feature“; had read about it but forgot it; its from this forum->http://audiodiyers.hu/viewtopic.php?f=48&t=3615&sid=3d4bd2f2c89af6709dfbbe53ec0a9ee3&start=50#p74779
means we can expect a „panel“ (over I2C !!) for it->“..the backpanel was developed by the end of february..“(VR1.06)
and there were several panel/options via I2C->not only 16*2, also 128*64, 320*240 and so on !! 😉

 

 

https://freematics.com/pages/products/tft-lcd-shield-3-2/

try at present to test out some libraries for this..

ES9038Q2M/ES9018K2M: DSD (+PERFECT BITSTREAMING) WIN8.1-FOOBAR2000 (PART 3)-> DoP (352k) works !!

so, 😉
because „Krunoslav“ (again 😉 ) send us a link „Foobar 2000 for Dummies (Part 2) – Playing DSD – New SACD plugin“->https://diyaudioheaven.wordpress.com/digital/pc-software/foobar-2000-for-dummies-part-3-new-experimental-sacd-plugin-v-0-9-x/
i updated my Foobar2000 to the latest SACD-Plugin+DSD Soundprocessor (V1.10->https://sourceforge.net/projects/sacddecoder/files/foo_input_sacd/) and followed some steps to set it up..
so, first: got it to work !! but only at present here via DoP (352k) with the Skysong(Singxer)-USB-bridge+ES9038Q2M (via I2S)..(it doesnt matter for me that it isnt DSD-nativ right now):

second, first musical impressions: relatively „dry“, very low latencies i guess..have to hear here more..(but it could be more in another „league“ (DSD vs PCM))..
so, third, i fiddled a little bit around and here are now the settings which worked for me: (there could be other possibilities/ways as said)

first under „preferences“->“output“ i choose „ASIO:DSD Transcoder (DoP/Native)->

then under „output“->“ASIO“->“ASIO Drivers“->“DSD Transcoder (DoP/Native)“, double click on it and then (which is strange, because normally this Singxer-ASIO component didnt work at all until now)->“Singxer USB-Audio Device“ (no other ASIO-device works btw.)


fourth, also strange, under „preferences->tools->SACD“->“DSD+PCM“ + „352800 (PCM)“ but with „DSD Processor: None !!..“


as said, there could be other possibilities too but for me its enough for now and, as said, 2 strange things: The ASIO-Singxer-USB-Audio component works and DSD-Soundprocessor on „off“ too..(but the latter could be a little bug)..
so, and now it works here really great 😉 ..this DoP/DSD-nativ-thing is sometimes really in a different league (but that really depends on your DSD-material too)

ES9038Q2M/ES9018K2M: DSD (+PERFECT BITSTREAMING) WIN8.1-FOOBAR2000 (Part 2)

so, 😉
thx to „Krunoslav“ again, he sent us some new driver (V4.38 from matrix-digi.com) to test perfect bitstreaming via wasapi under Win8.1+Foobar+Skysong(Singxer)-XMOS-USB-bridge+ES9038Q2M->see comments->http://essabre-90xx-rpi.sfb2.com/2018/02/es9038q2m-es9018k2m-dsd-perfect-bitstreaming-win8-foobar2000/#comment-50..
unfortunately it doesnt work here for me but i will upload it to the forum anyway (LINK)..but be careful i had here very great problems with my antivir..
but curiously after installing my buffer-/“stuttering“-problems with files above 16/44,1 (now here in 24/192 no problems) with the Skysong(Singxer)-XMOS-USB-bridge+ES9038Q2M (via I2S) are gown away 😉 ..

but still these new ES9038Q2M (in any case the pcb i have here->the „blue“ one) sounds for me still like plate/sheet..(„old problem“->we still have to evaluate if its a „shitty“ pcb/components and if the „green“ ones sound better)..

http://matrix-digi.com/en/products/137/index.html

USB-> PCM 16-32Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz, 705.6kHz, 768kHzDSD DSD64/128/256 (DoP/dCS) DSD64/128/256/512 (ASIO Native)

DIY: Relay-controlled source-/filter selection ES9038Q2M (Arduino)

so, 😉
because i´m really stupid and really don´t know how to accomplish a „jumper-substitution“ and after reading in some Arduino-forums, i came to the idea of buying some relay and try to realise it via this way..

(Update:profd“ from the forum told „us“ to use digi high or low + a logic level converter instead;->LINK)
These relays are cheap, around 2€ or so, u can buy it as 1,2,4,8 and so on..they are really easy to connect/addressable..


(remark: the 3 wires on the right are for the 10k poti (and then in future for the digi-poti of course))

u connect the GND and + from JP1 on the ES9038Q2M to COM (GND) and NO (+) and thats it..(i first connected it to the NC (normally closed) but that means, if u shut the Arduino down, then the circuit is (normally-)“closed“, means jumper set..

the relay itself is easy connected; GND from the Arduino to the GND and Power (5V+) from the Arduino to the VCC-pin (the jumper JD-VCC etc.. is another story, only remove and connect it to an external power source if u want to separate the Arduino-circuit completely from the relais circuit).
IN1,IN2 etc. is connected to a pin of your choice/assignment made in the sketch like this:
//relais
#define RELAY1 8
#define RELAY2 12
#define RELAY3 6
#define RELAY4 7
(i will post the modified sketch in the forum->LINK)
so, and now i can control/set the source via the BT (via our sketch), means for example „c“ for coaxial, „o“ for optical, „i“ for I2S and so on..

if (a==’c‘)
{
BT.println(„Source: coaxial“);
digitalWrite(RELAY2,HIGH); //R2 OFF
delay(50);
digitalWrite(RELAY1,LOW); //R1 ON
..
lcd.print(„Source: coaxial“);

}

i, u, can also use this now to set the different-filter-types, as for example JP3=set and JP4=set ->“slow minimum roll off filter“)..(will also maybe make a modified sketch for this future..)..
so, and really funny/cool 😉 is that these relays really make a „clack“-noise, everytime u adress it, for example i choose „c“=coaxial it makes „clack“ and it changes to coaxial..


really „Hi-Fi“ 😉

(forum-link->LINK)

ES9038Q2M: interesting new forum (audiodiyers.hu) + DACES9038PRO

so, 😉
came here by chance to a new very interesting ES9038Q2M-forum->
http://audiodiyers.hu/viewtopic.php?f=48&t=3615
some interesting pics/news on it, par example that the Green 1.06 has 7805 instead of 7808 on it and so on 😉 ->

by that, there is also a link to a 9038Pro-DAC (DACES9038PRO) designed by Andrea Ciuffoli/Quang Hao + a lot of interesting infos around the schematics of the sabre-chips->http://www.audiodesignguide.com/DACES9038PRO/

 

greets for now 😉

ES9038Q2M/ES9018K2M: DSD (+perfect bitstreaming) Win8.1-foobar2000

so, 😉
because i have here heavy „overdue delivery“-problems for some Aliexpress/China-manufactored DIY-things (yesterday a Electric Soldering Iron arrived exactly after 94 !! Days), i decided to make a new try in DSD-(native)-playing under Windows..experiences so far:
(i used Win8.1 because i don´t want to fuck up my Windows10-settings with the XMOS-USB-driver)..
okay, i used foobar2000 (JRiver trial period is over 😉 ) and have here the Singxer-V4.36 driver installed..
I used the ASIO-tutorial in the Topping NX4DSD v4.14 driver and manual pack (->http://essabre-90xx-rpi.sfb2.com/forum/showthread.php?tid=22) because i heard absolutely nothing with the „ASIO-Singxer USB Audio Device“-settings under „Preferences->Output->Device“..


after installing the foo_dsd_asio and foo_input_sacd foobar components + Asioproxyinstall v0.72 from the Topping V4.14 pack i´ve finally got a heavy white noise on both channels with the ES9038Q2M (and very very silent music back in it) and heavy white noise only on the left channel with the ES9018K2M (both with the Skyong(Singxer)-USB-bridge))..
The Singxer USB-Audio Device Control panel displays (in this case) 5644800hz and foobar also shows:“DSD128/11290kbps/5644800hz“ and the DSD-light on the ES9038Q2M and the blue DSD-led on the Skysong are also lit (see picture above)..

i´ve read elsewhere exact the same behaviour/problem..
okay, but this is a small improvement, because with the normal „Asio-Singxer USB Audio“-driver i heard absolutely nothing..
so far for now, i really have no clue to progress further (as said didn´t test it on Win10 because of not messing around with the usb-driver there)..


If anyone here has a solution for this „white noise“-problem, please leave a comment here !!

ES9038Q2M: „Project 2“->building a BT-controlled HW-Volume-control (digital pot 10kOhm) MCP4131

so, 😉
because its a little bit silent around here lately, we still don´t know if the „Blue“ ES9038Q2M has a „shitty“ pcb and the „green“-ones sounds better, i have still buffer/“lock“-problems in windows using the V4.36 Singxer-driver on the Skysong-XMOS-USB in sample rates above 16/44 i wanted to use the onboard-HW-volume control, to which u can connect a normal 10kOhm-potentiometer (see pictures) easy..

 


i tested it here, and it works far not so good as expected and i guess u have a very small range of about 20% or so (in my feel) too..
i thought i could easy use the Arduino with analogwrite () and connect one pin to the middle of the onboard-3 pin but what i´ve read so far is that the Arduino can only send out PWM-signals so u need an external digital potentiometer (thats what i´ve read so far, don´t know if its true) and control it via the (in this case) SPI-bus/protocol..
for this u can buy a cheap MCP, in this case a MCP4131 of around 0,89€ and a Dip-8 socket (0,51€) etc.,etc..(more to come..)


(very good tutorial for this right now:
http://www.learningaboutelectronics.com/Articles/MCP4131-digital-potentiometer-circuit.php)

i will post here any „improvements“ (and (maybe) a full tut) asap..!! 😉

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