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Author Topic: Rockbox Player - Project to design and build a Free/Open hardware audio player  (Read 444814 times)

Offline JimZipCode

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #705 on: March 20, 2018, 12:40:16 AM »
Someone did something similar:

Raspberry Pi zero portable music player
https://hackaday.io/project/26157-pipod

Cost: roughly 47 pounds plus the price of a 64Gb SD card.

Not clear to me if this has a headphone jack, or if it just streams to an output device
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Offline Bilgus

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #706 on: March 20, 2018, 02:40:46 AM »
https://cdn.hackaday.io/images/5173271505765650120.JPG
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Offline JimZipCode

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #707 on: March 20, 2018, 01:02:50 PM »
Quote from: Bilgus on March 20, 2018, 02:40:46 AM
https://cdn.hackaday.io/images/5173271505765650120.JPG

It's a little clearer to me now.    :D
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Offline JimZipCode

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #708 on: April 03, 2018, 03:14:58 AM »
Quote from: saratoga on January 16, 2018, 06:42:29 PM
remember Rockbox has only very crude support for touch screen devices (it is made for physical buttons). 

I feel like physical buttons are more appropriate for this application.  Skip a song etc; a lot of the things one wants to do with a player, are things you shouldn't need to look at the player for.

Also, on a small player (say around Sansa Fuze+ size, or Agptek Rocker; let alone a Sansa Clip) getting my sausage fingers to touch the screen in EXACTLY the right place to do the action I want, would probably be a nightmare.  It just doesn't seem the right use-case for a touch screen.
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Offline progmars

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #709 on: April 20, 2018, 10:29:00 AM »
While Raspberry Pi Zero and similar generic board solutions (C.H.I.P. etc.) might be good for experiments and DIY players, we shouldn't think that direction if the goal is to create something that could be mass-produced.

I'd say, the optimal solution might be to find some way to work together with some large Chinese company that already has experience and resources for mass-production (AGPTek? Somebody else?). Then the RB community experts might suggest choices of components that are the easiest to deal with in current Rockbox and the company could try to do the investigation from their side to see which component choices are the best options for them for various reasons (sourcing, prices, previous experience etc.).

But to make it possible, the company should be convinced that it is in their interests to develop such players. Some Chinese companies seem to be afraid to deal with open-source and actively contributing back, even if initially it might be in their interests. Why not leverage the fact that Rockbox is well known, popular, stable? There is no need to develop their in-house firmware.
But a large company of course will already have their own firmware and they might be interested in developing and maintaining it instead of Rockbox for various reasons. Marketing is one of the biggest "bad guys" - if the marketing department decides to have some specific and maybe unique feature on the device, then they won't consider Rockbox or open source solutions because they are afraid from competitors. They prefer to develop a buggy feature themselves and sell it instead of letting open-source community to develop it and improve. That's the dark side of the corporate world.

So, the question boils down to this: where to find a large company who already has experience and resources and willingness to use Rockbox as their firmware and contribute back?

For my own personal desires - I need a replacement of Clip+ - player, FM, voice recording, small size, physical buttons, a clip. All of it and for a reasonable price (under 50 $). Don't care about HiFi and aluminium. Just a fully functional player for an active person.
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Offline uhmgawa

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #710 on: April 20, 2018, 11:17:39 AM »
Quote from: progmars on April 20, 2018, 10:29:00 AM
While Raspberry Pi Zero and similar generic board solutions (C.H.I.P. etc.) might be good for experiments and DIY players, we shouldn't think that direction if the goal is to create something that could be mass-produced.

Mass production assumes there is a market to consume that volume.  In 2018 does one still exist?

For perspective this thread started 12 years ago and I jumped into the discussion when I was designing an imx433 linux based player.  Today we could find an MMU-less 100Mhz SoC which has enough bandwidth to achieve an acceptable integer based decode.  However I don't even know if integer decoders are available for all current formats of interest as my now horribly dated reference had been libmad and vorbis.

I fear at this point very few actually give a hoot as most of the music listening population have some sort of smartphone/tablet/whatever attached to their being during all waking hours.  Do you need a 64-bit 1Ghz ARM core to decode music?  Of course not but "I already have one" so do you make a case for a more optimally engineered solution when the proposition boils down to carrying around something extra and less able than what people already have?  The argument of "but longer runtime for the dedicated player" falls flat when life for most stops when the battery in the phone dies.

Unfortunately and regrettably, at this point I think the market has come an gone for a more practical solution.
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Offline progmars

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #711 on: April 20, 2018, 04:00:39 PM »
Yeah, for the most part demand for mp3 players has gone down rapidly since smartphone revolution.
Still, when entering "mp3 player" in aliexpress, the number of results is overwhelming, so obviously some companies somewhere are still making money on them.

For me personally, a dedicated mp3 player is a good option when taking long walks somewhere where there is a chance to be robbed, especially if somebody sees you with headphones. And of course physical buttons and blind control is much more convenient than a smartphone, even with hands-free headphones. But I guess, I'm a minority and majority of modern civilization can't imagine leaving their phone home. So, mp3 players have become a niche product.
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Offline coacharnold

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #712 on: April 20, 2018, 04:10:44 PM »
I'm going to have to agree .... I have a player attached to me belt clip as we speak ... and a phone sitting on the desk in front of me.  I prefer having a standalone player that I can hook into a portable headphone amp and listen to.   I don't have to deal with any of those connections when I pick up my phone to look up something or to read the news while listening.   

Forget looking up on alien express, I have a FIIO player that I use know bacause the DAC is way better than whats on board my rockbox players.   this player is LOW on the totem pole from very nice portable players that are out in mainstream, running from 100$ to 2000$ dollars.  I'd kill to have a standalone player that I could plug a usb dac/amp into.   This project is super relevant .

10 years ago this was about hacking cheap 2nd and 3rd generation players but now it's very much a platform that shouldn't be ignored.

The rockbox UI is still better than the one on my fiio or any of those players on alien express ..... or any of the expensive DAPs out there now.

tim
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Offline uhmgawa

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #713 on: April 20, 2018, 04:49:22 PM »
Quote from: coacharnold on April 20, 2018, 04:10:44 PM
This project is super relevant ... it's very much a platform that shouldn't be ignored.

If you believe that, you have a pure marketing problem on your hands.  The engineering is comparatively trivial.

Just because a group of potential users are adamant a product should exist, does not make it a commercially viable proposition.  Even if a group of capable users vowed to support this as a labour of love until their last breath, prerequisites exist beyond your control: production life of the commodity SoC, display, battery, etc.. being leveraged.  Unless you are prepared and financially able to maintain the infrastructure to sustain all of them forever.

If you can create a market able to justify such an effort at both an agreeable entry and sustaining price point, you certainly have a compelling case.  But in this day and age it sadly is extremely unlikely to happen.  Witness alone the 12 year life of this thread, where the beginning arguably coincided with the greatest potential interest which has been declining ever since,

No I don't particularly like it either but I've accepted the practical reality.  If you disagree, I'd suggest some type of community kick-start vehicle to assess the potential.


 
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Offline coacharnold

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #714 on: April 20, 2018, 04:54:38 PM »
I really don't care about being commercially viable... Why on earth does this forum exist... It's for rock box..  There has been virtually no new devices in a very long time. This is a FUN DIY project... I'd like to build my own superior DAP...  Much like the Rock Box DAPs I was using 10 yrs ago.   If you think that's silly.  Then shut this site down what's the point
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Offline uhmgawa

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Re: Rockbox Player - Project to design and build a Free/Open hardware audio player
« Reply #715 on: April 20, 2018, 05:37:08 PM »
Quote from: coacharnold on April 20, 2018, 04:54:38 PM
I really don't care about being commercially viable...

Let me rephrase more clearly the concern as being economically viable.  If this was an inexpensive proposition, those impassioned with the concept and so inclined would have already done so.

Quote
Why on earth does this forum exist... It's for rock box..  There has been virtually no new devices in a very long time. This is a FUN DIY project... I'd like to build my own superior DAP...  Much like the Rock Box DAPs I was using 10 yrs ago.   If you think that's silly.  Then shut this site down what's the point

I'm uncertain how you read an assessment of the effort being "silly" from my comments.  But to be clear my point was only the financial and logistic burden of implementing the device effectively and sustainably.  Case in point, my suggestion of a kick-start approach to estimate the potential enthusiast base.
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