Has anyone has success pairing RaspyFi with a raspberry pi NAS solutions (like this http://www.howtogeek.com/13943.....ge-device/)

I'm thinking of doing something like that, but I'm worried about whether the low power can handle high fidelity lossless music formats.

Thanks

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My intentions are to set-up a raspberry with 2+1 (or ever a standard stereo) system working through analog audio out on the board. I don't intend to use any kind of screen for now, jus control and Incredibly basic audio player controlled from ANdroid phone (the phones, to be exact). My idea is to install RaspyFi on SD card, connect the speakers using standard audio out, boot it up, use any of the Android applications avaliable and go into playing. I don't intend to use any DACs and/or complicated setup, but i like the basic-out-of-the-box remote android player idea.

Should i encounter any issues while setting that up? Will 2+1 config work without any issues?

I would really appreciate any reply.

Would also change with pleasure the colours. Where do I find the CSS or the Theme of the web interfaces of the raspyfi? How to edit these files?
Thanks.

greets
Jonas

I begin by explaining my use of the pi. I want to make it a sound server with remote control (android app) and use it's i2s outpout, because this infercace is an emergent hifi standart, since psaudio propose an open inferface with an hdmi cable for i2s :
http://www.diyaudio.com/forums.....audio.html

Some manufacturer propose compatible board for this :
http://www.fidelix.jp/technolo.....y/I2S.html
http://www.audiophonics.fr/aun.....-8404.html

If i understand it right we just have to connect the P5 headers of our pi to this, to obtain a good i2s outpout for hifi purpose, compatible with a growing number of equipement (for now, one of the only music server compatible is the sonore rendu : http://www.sonore.us/index7.html and it cost nerly 1600€ with this i2s hdmi option, and also a growing list of dac)

I know that an alsa driver for i2s has been written, but i don't know if it's work with this?

Another question, at diyaudio they are making a dac constituate of some separate (different projects...) boards. An I2S Fifo kit, constituate of the fifo board, a clock and an isolator :
http://www.diyaudio.com/forums.....itter.html

They also have made a board which is an I2S to PCM converter :
http://www.diyaudio.com/forums.....board.html

As they speak better than me (extract from the datashit of the board) :

« Many people still like the sound of traditional MULTIBIT audio DACs, such as AD1865/62, PCM1704/02, PCM63, TDA1541/A, and many others, because they convert digital music into analog in a different way than popular DELTA-SIGMA DACs.
However, most of those MULTIBIT DACs were designed having to work with digital filter chip through an interface we called "PCM", which transmits left and right data simultaneously. In this case, the problem would be that the sound quality and the maximum Fs of MULTIBIT DACs can be limited by the performance of the hardware based over sampling digital filter chip due to the low internal calculating accuracy, the resource saving interpolating algorithm, and the old higher jitter hardware technology.
In order to boost the sound quality by introducing low jitter technology and to play higher Fs music, we need to get rid of the limitation of that digital filter chip by driving the MULTIBIT DAC from higher performance software base real-time up-sampling filter or high Fs music stream directly. So, we need a jitter optimized device to run MULTIBIT DAC at NOS mode from an I2S bus.

This I2S to PCM converter board was developed exactly for this purpose under the requirement of audiophiles. »

They also working on some multibit dac core board and I/V, so i think at this end this will become a complete dac However, they clearly say that for optimal quality, we need to bypass the digital filter (or use nos) of our dac with a better software resampler. it seems we have a very good resampler in linux with sox that can easily work with mpd :
http://soundcheck-audio.blogsp.....pling.html

So, could we use the pi as a dsp to real-time resample ? With the Ian boards and multi-bit dac, you can send 32/384khz (8x). However some modern usb dac don't support this, it seems to come from a limitation of the usb inferface, some usb board has update recently their firmware (waveio do it in september). However it's still profitable for owner of nos dac (or owner of dac where you can bypass the digital filters) that want to have a better resampler than integrate circuit or dsp.

So the question is : the 700 mhz of the pi is enough for this kind of resampling with sox ? Their is also the limiations of the i2s alsa driver, that seems limited at 24bit/(96 or 192?).

Just another question: Did raspyfi supports ape? Volumio doesn't. My rapyfi didi it...could be because of installing upnp (gmrenderer).

Karsten

Did you tried to decrease wsize and rsize? And also try to disable the hardware volume...

Let me know...

To change the colors, just copy the old Css folder to the css folder of the Webui. I thought these colours were better... Sorry you don't agree, what exactly doesn't convince you?

Karsten

Karsten said

Okay - back to raspyfi.
Crackles all over the time on usb output. HDMI works perfect.
It's a beta1 - I know.
Karsten

C'mon Karsten, the glass is half-full!!! In my setup I had no glitches whatsoever ( at 24/192 with an async DAC, which is the worst case scenario). Just try to decrease rsize and wsize on NAS settings... Or otherwise let me know..

icai said
Is volumio taking off from where raspyfi left or will both evolve simultaneously ?

The first one you said. You can see Volumio as a RaspyFi 1.1, but on more platforms and with more features (aka i2s DAC support, multiroom etc).
So you guys will still be at home on Volumio.