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1
PIANO HI-FI DAC 2.1 / Re: purepath bin files
« Last post by mkaf on April 06, 2017, 11:14:03 PM »
here there are again, bin-files.jpg and dmesg.jpg

...in the meantime i solved problem by myself.

best regards
mkaf
2
PIANO HI-FI DAC 2.1 / Re: purepath bin files
« Last post by sparkyadmin on April 06, 2017, 08:43:00 PM »
Dear Mkaf,

   We are not received any attachments.

With Regards
Sparky Admin
3
BOSS DAC / Rasopberry Pi+BOSS power input methods
« Last post by sparkyadmin on April 05, 2017, 11:32:54 PM »
Hi,

   Please find the document link for Rasopberry Pi+BOSS power input methods.

http://61.12.17.162:9098/sparky/BOSS_External_POWER.pdf

With Regards
Sparky Admin
4
PIANO HI-FI DAC 2.1 / Re: purepath bin files
« Last post by mkaf on April 05, 2017, 11:30:30 PM »
dear admin,

thank you for the prompt response. pls see the screendumps attached.
on a fresh pietdi installation none of the files was read (see dmesg-output).

pls tell how israte 44100 and cut-off 100hz selected and how to change from rate 44100 to 4800, cut-off 100hz.

best regards
mkaf
5
PIANO HI-FI DAC 2.1 / Re: purepath bin files
« Last post by sparkyadmin on April 05, 2017, 09:51:42 PM »
Hi,

    Files are selected depending on the following:

1. Mode selected (2.1 or 2.2) - selects the files from respective folders

    /lib/firmware/allo/piano/2.1 => Mono sub-woofer bin files
    /lib/firmware/allo/piano/2.2 => Stereo sub-woofer and audio-speaker bin files.


2. Sample rate: 44100, 48000, 88200, 96000, 176400 or 192000


3. cut-off (cross-over) frequency : 60, 70, . 190 or 200


4. sub-woofer: 1 for subwoofer & 0 for audio-speakers.

File is named according to these values: allo-piano-dsp-<sampling rate>-<cut-off-frequency>-<sub-woofer>.bin

With Regards
Sparky Admin
6
PIANO HI-FI DAC 2.1 / purepath bin files
« Last post by mkaf on April 05, 2017, 01:11:39 PM »
hi,

i have completed bin-file generation process following your guideline ?successfully.

everything worked like described but i am looking for information how to enable the different settings.

if there are more than 2 bin-files in directory /lib/firmware/allo/pian/2.2 how does the driver select and activate specific bin-files?

best regards
mkaf
7
KALI RECLOCKER / Re: Kali and DiGi Hat
« Last post by sparkyadmin on March 14, 2017, 01:27:51 AM »
Dear Team,

     Kali will work as master mode so your DIGI type hat need to be  slave mode and kali will supply 5 volt out put.If your boards require 3.2 volt then it will not work.


With  Regards
Sparky Admin

8
KALI RECLOCKER / Kali and DiGi Hat
« Last post by guy on March 13, 2017, 10:10:45 AM »
Hi Sparky team,

Is your Kali product compatible with a Digi type of hat like your Cheapo (or HifiBerry Digi+, IQAudio Pi-DiGi+) ?
If yes, would the DiGi hat benefit from Kali's oscillators and improve the sound?

I'm aware of compatibility issues with DAC hats which must be in slave mode in order to benefit from the Kali. Is it the same with DIGI hats?

Thanks,
Guy
9
Technical Questions / Re: Battery supply for Boss Dac
« Last post by sparkyadmin on March 09, 2017, 10:42:34 PM »
Dear Team,

    Please find the below link for the Boss board external power connector document.You have to connect only 5V.Make sure before connecting it is having only 5V .

http://61.12.17.162:9098/sparky/BOSS 5V External Power.pdf

With Regards
Sparky Admin
10
Technical Questions / Battery supply for Boss Dac
« Last post by slapa on March 09, 2017, 01:50:23 PM »
Hello,

How can the Boss DAC be powered with a battery? There is a plug for this on the board but I have not found any documentation.

Thanks!
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