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Old 03-17-2013, 05:53 PM   #1
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Default Delfina Lite vs AD516 for mp3 playback

I'm trying to decide which soundcard I should buy for mp3 playback.

I have a 040@40mhz in an a3000.

What would be the best solution? They both have DSP's, would they both alleviate the cpu in a similar fashion?

Thanks!
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Old 03-17-2013, 06:06 PM   #2
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Default Re: Delfina Lite vs AD516 for mp3 playback

At least I can confirm that it works with Delfina with this :

http://aminet.net/package/mus/play/dmdev

I would say that there will be some problems, but they are solvable. Mostly because Delfina is still supported and there is losts of about it over internet.

Most of those problems are solved with this :

http://aminet.net/package/util/misc/DelfInit

I haven't need to overclock delfina ever because of mp3

http://aminet.net/package/driver/audio/DelfTweak
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Old 03-17-2013, 07:08 PM   #3
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Default Re: Delfina Lite vs AD516 for mp3 playback

If you are just looking at playing MP3s, a MAS Player works great.
While not a soundcard per se, works great for playing MP3s with very little overhead.

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Old 03-17-2013, 07:11 PM   #4
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Default Re: Delfina Lite vs AD516 for mp3 playback

Quote:
Originally Posted by desiv View Post
If you are just looking at playing MP3s, a MAS Player works great.
While not a soundcard per se, works great for playing MP3s with very little overhead.

desiv
Thanks for the idea, want to fill a zorro slot with this endeavor. The MAS is great bang for the buck!
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Old 03-17-2013, 08:44 PM   #5
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Default Re: Delfina Lite vs AD516 for mp3 playback

There's no decoding driver for the AD516. So while it has a DSP, no one's written the software to take advantage of it for playing MP3s.
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Old 03-17-2013, 08:55 PM   #6
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Default Re: Delfina Lite vs AD516 for mp3 playback

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Originally Posted by Matt_H View Post
There's no decoding driver for the AD516. So while it has a DSP, no one's written the software to take advantage of it for playing MP3s.
Thanks for the info Matt,

I thought the AHI driver did that. This is good to know!

Do you have a delfina? How stable is it?
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Old 03-18-2013, 12:11 AM   #7
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Default Re: Delfina Lite vs AD516 for mp3 playback

AHI doesn't do that, you need delfinampeg.device to do that, wich is first link in this thread. It need to be configured to program that you use to play mp3.

It is stable, with little tinkering. It was long time ago, when I setupped my Delfina, so if I remember coorectly, best solution is use third party software to init delfina to system, wich is Delfinainit, second link in this thread.
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Old 03-18-2013, 05:17 AM   #8
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Default Re: Delfina Lite vs AD516 for mp3 playback

The Delfina is great for playing MP3, plus you get the bonus of having a great soundcard, which the MAS player wont' give you.

I play 192kbs MP3 on my Delfina flipper with no problems, though I did find that having a blizzard SCSI with 128 megs, failed when I tried to boot my A1200 witht the Delfina connected to the clock port. I never found out why, was the same of 2 different A1200 Mobos in a Tower.
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Old 03-18-2013, 05:30 AM   #9
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Default Re: Delfina Lite vs AD516 for mp3 playback

Thanks for the great info. I will get the Delfina. Perhaps, I'll try MP2's to see if the lesser compression will result in better performance.
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Old 03-18-2013, 07:57 AM   #10
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Default Re: Delfina Lite vs AD516 for mp3 playback

Quote:
Originally Posted by matt3k View Post
Thanks for the great info. I will get the Delfina. Perhaps, I'll try MP2's to see if the lesser compression will result in better performance.
It will result in better performance, but also crappier quality
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Old 03-18-2013, 08:21 AM   #11
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Default Re: Delfina Lite vs AD516 for mp3 playback

Delfina plays even higher bitrate mp3:s just fine, so I don't see why you'd need any trickery with mp2:s or so...
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Old 03-18-2013, 08:33 AM   #12
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Default Re: Delfina Lite vs AD516 for mp3 playback

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Originally Posted by yssing View Post
It will result in better performance, but also crappier quality
I would have thought with less compression the quality would have been better?
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Old 03-18-2013, 08:34 AM   #13
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Default Re: Delfina Lite vs AD516 for mp3 playback

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Originally Posted by pVC View Post
Delfina plays even higher bitrate mp3:s just fine, so I don't see why you'd need any trickery with mp2:s or so...
What is the highest rate that you have seen it run without crashing? 192 from what I have read seems be the max.
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Old 03-18-2013, 10:43 AM   #14
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Default Re: Delfina Lite vs AD516 for mp3 playback

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Originally Posted by matt3k View Post
What is the highest rate that you have seen it run without crashing? 192 from what I have read seems be the max.
I didn't have that much problems with any mp3 file I gave to it. Occasional crashes with Amplifier in long plays (like in whole day playing), but can't connect it to any certain mp3 bitrated file. I think it was because something else, because delfmpeg for example was very stable. I can't say any facts about bitrates now, but for sure there were VBR files with higher average than 192 and pretty sure some 256 too...

I have overclocked Delfina Lite and patched library. In original setup it couldn't cope higher bitrate, but you can overclock even with software nowadays so that shouldn't be much problem.
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Old 03-18-2013, 01:48 PM   #15
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Default Re: Delfina Lite vs AD516 for mp3 playback

You really only should consider using mp2 if you have a 030. 040, 060 or delfina, use mp3.
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Old 03-18-2013, 09:06 PM   #16
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Default Re: Delfina Lite vs AD516 for mp3 playback

I've had the Delfina crash at random because the library is generally buggy, but I've never had it crash due to high bitrates. The audio just stutters.

The one crash that I can reproduce with 100% reliability is changing tracks in Amplifier. If one track ends and Blanker is active (i.e., currently blanking the screen) it almost always crashes. Not sure if it's an Amplifier bug or a Delfina bug, but my workaround was to run Amplifier from a script that first disables Blanker and then re-enables it when quitting.
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Old 03-19-2013, 08:03 PM   #17
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Default Re: Delfina Lite vs AD516 for mp3 playback

The Lite is reasonably stable with the right library, delfinit, etc, but there are definitely some software and/or hardware flaws that show up on a regular basis. AMPlifier, for example, never crashed with my Melody cards, like it does with the Delfina.

Quote:
Originally Posted by Matt_H View Post
I've had the Delfina crash at random because the library is generally buggy, but I've never had it crash due to high bitrates. The audio just stutters.

The one crash that I can reproduce with 100% reliability is changing tracks in Amplifier. If one track ends and Blanker is active (i.e., currently blanking the screen) it almost always crashes. Not sure if it's an Amplifier bug or a Delfina bug, but my workaround was to run Amplifier from a script that first disables Blanker and then re-enables it when quitting.
Same problem here with both the standard blanker, and CGXBlanker. In fact, if you start an MP3 stream and just leave the computer alone, it'll often go quite a while, even a day or more. It's when you start trying to do other things while the Delfina is decoding that the problems surface quickly. For me, that's where the "high bitrate" aspect comes in - blanker will crash the Delfina when decoding a 256k stream in a matter of minutes, while you might get a few hours out of a 96k stream. I don't think DSP load is the whole story, as upping the clockrate with delftweak (I had one Lite with a 66MHz DSP) didn't seem to be a factor.

All that aside, I spent a lot of time tinkering and could never isolate the exact conditions behind the crashes, but could only limit them by taking certain precautions. I'm still half tempted to get a Flipper though, if the bugs have truly been ironed out.

Last edited by Damion; 03-19-2013 at 08:06 PM..
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Old 03-19-2013, 08:10 PM   #18
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Default Re: Delfina Lite vs AD516 for mp3 playback

I had a Delfina a long time ago and I experienced random crashes a lock-ups. The short, there was some issue with the WarpEngine 4040 and the Delfina libraries. I gave up and traded it in for a new X-Surf. Not the option presented in this thread, but now I'm on a Deneb and a USB sound card and it works pretty well for MP3s on a CyberStorm MKIII.
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Old 03-24-2013, 08:15 AM   #19
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Default Re: Delfina Lite vs AD516 for mp3 playback

A quick final note on the Delfina: I don't think it's generally known, but delfina.library has been GPL'ed. Source code (for a not-quite current version) is included in the archive available from Jens. I'm sure you could get current code upon request.

The binary in that archive doesn't work with my Delfina Lite (locks up system), but perhaps a skilled programmer could fix that and other bugs for the Zorro-based Delfinas.
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Old 04-27-2013, 03:00 PM   #20
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Default Re: Delfina Lite vs AD516 for mp3 playback

Try a prelude with mpegit
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