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Old 31st January 2013, 09:06 PM   #151
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Quote:
Originally Posted by merlin2069er View Post
I've got a rasperry pi with raspbian installed on it.

Thinking of setting up just a quick digital radio setup and dump my am/ fm radio.

I've only listened to a few AM stations anyways- what audio software would you guys recommend?

Hopefully it will recognize my tenor dac.
I'm using MPD as it not only streams my ripped FLAC of my CD's but you can also create steams to internet radio stations. Works good. I find a lot of streams that work using Discover free streaming radio stations from around the world. and for radio stations that stream I use Radio Stations Streaming on the Internet.

The only thing that stinks is while a lot are stream now a days, many use crappy flash or iheart radio to do so and figuring out the stream is a major PITA. Otherwise those that stream in mp3, asx, or ac3 work great!

As long as your tenor dac is supported under linux, there is a good chance it will work fine.
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Old 12th February 2013, 10:16 AM   #152
Juicie is offline Juicie  Netherlands
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Default Squeezer

My Rpi project (dutch): forum.zelfbouwaudio.nl • Toon onderwerp - Squeezer: multiroom audio amplifier

It is going to be a raspberry pi, squeezeslave, dac and amp in one.

Click the image to open in full size.

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Click the image to open in full size.

The case it will be installed in:

Click the image to open in full size.

I'm stilling looking door a cheap DAC to begin with. Was looking for the PCM2704. Maybe later if I'm not satisfied, I can upgrade to a Sabre DAC or simular.
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Old 12th February 2013, 11:48 AM   #153
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Originally Posted by Juicie View Post
I'm stilling looking door a cheap DAC to begin with. Was looking for the PCM2704. Maybe later if I'm not satisfied, I can upgrade to a Sabre DAC or simular.
I've been pretty happy with that DAC. I have it tied into my home amplifier and the analog sound is very good. Eventually I tied into my home amplifier via a toslink and let my home amplifier's DAC do the conversion.

PCM2704 USB DAC USB* or ebay PCM2704 USB DAC USB

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Looking forward to seeing your completed project!
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Old 12th February 2013, 09:32 PM   #154
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How do you get the raspberry pi to recognize a dac?

I plugged in my tenor dac - it didn't see it.
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Old 12th February 2013, 10:38 PM   #155
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Quote:
Originally Posted by merlin2069er View Post
How do you get the raspberry pi to recognize a dac?

I plugged in my tenor dac - it didn't see it.
Plug and play for me...mostly. Are you sure yours isn't being detect, but is configure for index 1 while the internal broadcom chip is at index 0? At a shell prompt what does the following show?
Code:
aplay -L #upper case
aplay -l #lower case
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Old 13th February 2013, 11:15 AM   #156
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Quote:
Originally Posted by ski522 View Post
Plug and play for me...mostly. Are you sure yours isn't being detect, but is configure for index 1 while the internal broadcom chip is at index 0? At a shell prompt what does the following show?
Code:
aplay -L #upper case
aplay -l #lower case
aplay -L (output)

null
Discard all samples (playback) or generate zero samples (capture)
sysdefault:CARD=ALSA
bcm2835 ALSA, bcm2835 ALSA
Default Audio Device
sysdefault:CARD=USB
WEILIANG 24BIT USB, USB Audio
Default Audio Device
front:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
Front speakers
surround40:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=USB,DEV=0
WEILIANG 24BIT USB, USB Audio
IEC958 (S/PDIF) Digital Audio Output

aplay -l (output)

**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 1: USB [WEILIANG 24BIT USB], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: USB [WEILIANG 24BIT USB], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0


ok, I guess it detected the usb - how do I output to the dac?
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Old 13th February 2013, 11:33 AM   #157
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Quote:
Originally Posted by merlin2069er View Post

ok, I guess it detected the usb - how do I output to the dac?
"sudo nano /etc/modprobe.d/alsa-base.conf" and change/add the following line:
Code:
options snd-usb-audio index=0 nrpacks=1
Reboot, if you run the aplay -l command again, the USB DAC should be at index 0 and should be your default sound card now. BTW, not sure "nrpacks=1" is necessary, it was for the USB DAC I used.
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Old 13th February 2013, 04:42 PM   #158
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Thanks. I'll give that a try.

hmm, two of the station I'd like to stream (590am & 640am in Toronto) use a flash plugin on their website.

Can a feed like that be picked up thru a general audio app (that picks up internet radio feeds?)

Last edited by merlin2069er; 13th February 2013 at 04:47 PM.
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Old 13th February 2013, 05:52 PM   #159
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Quote:
Originally Posted by merlin2069er View Post
Thanks. I'll give that a try.

hmm, two of the station I'd like to stream (590am & 640am in Toronto) use a flash plugin on their website.

Can a feed like that be picked up thru a general audio app (that picks up internet radio feeds?)
Not easy, sometimes you can view the web page source and find the RTMP stream. Other times you can use wireshark...but getting the stream out of a Flash player certainly ranks high on the PITA scale!!! In any case I believe the streams for the stations you are looking for are:

http://8303.live.streamtheworld.com/CFMJAMAAC #640AM
rtmp://cp80874.live.edgefcs.net/live/TOR590_AAC@26445 #590AM

You can play these using VLC, mplayer, or some other streaming software...MPD should be able to play these. Of course no guarantee that these streams are static and could change from day to day. This link provides some basics on pulling streams from flash players

video - How to find the stream behind a Flash player - Super User

Last edited by ski522; 13th February 2013 at 05:56 PM.
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Old 13th February 2013, 06:45 PM   #160
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Thanks! I'll give that a try.
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