Rockbox Development > New Ports

AIGO EROS Q / AIGO EROS K / IRULU Surfans F20 / AGPTek H3 / HIFI WALKER H2

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speachy:

--- Quote from: fossphile on October 12, 2020, 12:21:18 PM ---By spdif i was taking a guess that was want they meant by digital output over usb port??

--- End quote ---

On these Linux-based players, rockbox uses standard Linux sound APIs, so as long as the OF's kernel already has the drivers for the particular audio dongle you want to use, rockbox will be able to utilize it.

(Most audio dongles use standard USB class drivers, but one can never really know in advance)

That said, rockbox isn't set up to be aware of multiple output/playback devices, much less be able to switch them on the fly.  (That's actually going to be one of the challenges in enabling bluetooth on these things..)

fossphile:
oh i see. its usb audio interface, not like the audio accessory mode where it some of the pins instead of usb, become analogue stereo signals. i thought digital output was like that but spdif over the usb pins... doh! I understand now, its the option to connect a usb class compliant audio interface to usb host.

fossphile:
Thanks speachy for the details!  :) I see. bluetooth means a re-write of a fair bit of audio code.

Is the hardware any better designed than the xduooo x3II? No pop, messy power saving of the dac/headphone amp that leads to delay and/or pop sounds in switching tracks, sample rate changes, turn on/off,etc?

speachy:

--- Quote from: fossphile on October 12, 2020, 12:56:01 PM ---Is the hardware any better designed than the xduooo x3II? No pop, messy power saving of the dac/headphone amp that leads to delay and/or pop sounds in switching tracks, sample rate changes, turn on/off,etc?

--- End quote ---

I like the Eros Q/Hifiwalker H2 a _lot_ more than the X3ii.     More compact, a better control layout, and so far, no issues with the audio paths.

(I'm actually pretty disappointed with the X3ii, especially after how unexpectedly awesome the original X3 turned out)

fossphile:

--- Quote from: speachy on October 12, 2020, 01:16:40 PM ---
--- Quote from: fossphile on October 12, 2020, 12:56:01 PM ---Is the hardware any better designed than the xduooo x3II? No pop, messy power saving of the dac/headphone amp that leads to delay and/or pop sounds in switching tracks, sample rate changes, turn on/off,etc?

--- End quote ---

I like the Eros Q/Hifiwalker H2 a _lot_ more than the X3ii.     More compact, a better control layout, and so far, no issues with the audio paths.

(I'm actually pretty disappointed with the X3ii, especially after how unexpectedly awesome the original X3 turned out)

--- End quote ---

Thanks again for the info!

Tempted by Aigo Eros K in blue, else the Q which is £10 cheaper and has wrist strap attachment hole :).
https://www.aliexpress.com/af/AIGO-EROS.html?trafficChannel=af&d=y&CatId=0&SearchText=AIGO+EROS&ltype=affiliate&SortType=default&page=5

hmm i may get a old x3 when a good condition one pops on on ebay after all. shame i avoided it thinking there was audio problems. 2x sd card support would have been so helpful this last few years!

i guess theres still tons for you to do still ;D in porting rockbox to these players. Any micro updates :) would be received with love but otherwise I patiently and keenly wait :)

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