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Getting Streaming Audio from Mac to Amplifier

[dave28c]dave28c (apparently) - 06:01am Apr 27, 2007 PST
via email - Dave Clark

What's the best way to stream audio (say an Internet radio station) from my iMac Intel 20" to an amplifier -- I have an Onkyo -- and speaker system for my home entertainment system? One audio guy suggested just running an audio cable from the speaker plug out of the iMac to an input on the Onkyo. Another suggested Airport Extreme connected to the amplifier to do it wirelessly. Not sure how this last idea would work.

I ask because Apple TV apparently will NOT do streaming audio from the Internet, only iTunes.

Thanks.

Dave


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Nik (apparently) - Apr 27, 2007 8:22 am (#1 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

On 4/27/07 7:01 AM, "Dave Clark" <dave28cmac.com> wrote:

> What's the best way to stream audio (say an Internet radio station) from my
> iMac Intel 20" to an amplifier -- I have an Onkyo -- and speaker system for my
> home entertainment system? One audio guy suggested just running an audio
> cable from the speaker plug out of the iMac to an input on the Onkyo. Another
> suggested Airport Extreme connected to the amplifier to do it wirelessly.

Whether you have an Airport Express (not an Airport Extreme, an Express) or
a direct connection to the Mac, you just need the appropriate audio cable to
go from the audio out port on your device to your stereo. Depending on your
Mac model and your amp's inputs, that can vary.

If you have optical audio-in capabilities on your amp, you can get a special
cable (check the Apple Store) that goes from the minijack on your iMac to an
optical input on most amplifiers/receivers. That will be the best quality
sound (and probably overkill for MP3s or internet radio). You can also just
get a straight minijack -> composite Y-cable at Radio Shack or whatnot for
about $3 and get on with your life.

The Airport Express is a similar setup, although it adds the complication of
streaming iTunes and blah blah blah, whereas a straight audio output is
cheaper, quicker, and requires less fiddling. (Although it will mean that
your Mac has to be fairly close to your amp.)

Hope this helps.

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lists178 (apparently) - Apr 27, 2007 8:22 am (#2 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

On 27/04/2007, at 11:01 PM, Dave Clark wrote:
> What's the best way to stream audio (say an Internet radio station)
> from my iMac Intel 20" to an amplifier -- I have an Onkyo -- and
> speaker system for my home entertainment system? One audio guy
> suggested just running an audio cable from the speaker plug out of
> the iMac to an input on the Onkyo. Another suggested Airport
> Extreme connected to the amplifier to do it wirelessly. Not sure
> how this last idea would work.

If the iMac is close to the amp, then the cable will give the
result... particularly with you can use the optical digital out/ins

I'd use the Airport Express, if the computer is a fair distance from
the iMac AND the content is already in iTunes.

If the audio requires something else to play it, then you also need
to look at purchasing AirFoil, which allows audio to be streamed from
any application to the Airport Express

http://www.rogueamoeba.com/airfoil/

--
Nicholas Pyers (nicholasnicholaspyers.com)

sigman (apparently) - Apr 27, 2007 8:22 am (#3 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

>What's the best way to stream audio (say an Internet radio station)
>from my iMac Intel 20" to an amplifier -- I have an Onkyo -- and
>speaker system for my home entertainment system? One audio guy
>suggested just running an audio cable from the speaker plug out of
>the iMac to an input on the Onkyo.

This will be by far the easiest and cheapest way to go *and* least
likely to drop any audio. The downside is that it will play all of
your computer sounds through your Onkyo, not just the radio station
you want. You can change this with a piece of software called
"Detour" -
<http://www.versiontracker.com/dyn/moreinfo/macosx/20128>

- but alas! No Intel compatible version is available. Nor will there
ever be one:
<http://www.rogueamoeba.com/utm/posts/News/detour-retirement-2005-10-14-10-00>

> Another suggested Airport Extreme connected to the amplifier to do
>it wirelessly. Not sure how this last idea would work.

You need "Airport Express", not "Airport Extreme". Airport Express
will set you back by just under $100 these days, so this option is
much more expensive than simply getting a cable to run directly from
your computer. But you can't overlook the coolness factor of
wirelessly streaming music- that's worth something, right? Oh, and
you'll still need to get that cable anyway, to connect the AE to your
Onkyo. If your Onkyo is a recent model and has optical digital input,
you may use that instead if you like, but I doubt you'll notice much
better quality for your purposes; the incoming signal from the
internet radio station is certainly going to be the weakest link in
this particular chain, and your nice home system will probably make
its shortcomings far more obvious than your computer speakers do
regardless of the inputs used.

But I digress. Here's how the Airport Express works: set the base
station up, add it to your existing network (it can also stand alone
as its own network, replacing your existing router, but you probably
don't need that), then check out the 'music' tab in the setup
utility. It's very straightforward.

The next issue you'll have is that you may only stream audio to the
Airport Express via iTunes, so if your desired station does not
stream over iTunes, you might think that you're out of luck. Do not
despair! It is possible to stream other audio sources to the Airport
Express using an app called "Airfoil".
<http://www.rogueamoeba.com/airfoil/mac/>

And, if you have room around your stereo gear for a USB printer (and
if you can ignore the cognitive dissonance that comes from pairing a
printer with your fine audio kit), you can plug that into the AE as
well and have a networked printer.

I've not seen *any* other manufacturer come close to touching the
functionality of Apple's Airport Express at a price point anywhere
close. And nothing at all that I've encountered compares in any way
to its ease of setup and use. This is just a great little piece of
hardware. The only frustration with mine is that the effective range
for streaming audio from my 12" Powerbook isn't quite enough to allow
me to leave my 'book in the upstairs master bedroom and still get
audio to the living room without dropouts. Grrrr. But that's more to
do with the metal casing of the Powerbook, from what I understand. My
wife's older iBook G3 has a much longer usable range.

>
>I ask because Apple TV apparently will NOT do streaming audio from
>the Internet, only iTunes.

I wouldn't be surprised to see Airfoil or a similar piece of software
correcting this little problem in the very near future. But if all
you want to do is audio, Don't bother with Apple TV at all.

Greg Sigman

Harro de Jong - Apr 27, 2007 8:22 am (#4 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

Dave Clark wrote:

> What's the best way to stream audio (say an Internet radio
> station) from my iMac Intel 20" to an amplifier -- I have an
> Onkyo -- and speaker system for my home entertainment system?
> One audio guy suggested just running an audio cable from the
> speaker plug out of the iMac to an input on the Onkyo.

If you go this route, consider using an optical connection instead of a
line-level analog connection. Of course this only works if your
amplifier has an optical input (and the Mac has an optical output, but I
think the Intel iMac does).
The advantage is that with an optical link, there is no electrical
connection between the computer and the amplifier; such connections are
prone to noise and grounding problems.

Harro

Matt Neuburg (apparently) - Apr 27, 2007 12:21 pm (#5 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

On or about 4/27/07 6:01 AM, thus spake "Dave Clark" <dave28cmac.com>:

> What's the best way to stream audio (say an Internet radio station) from my
> iMac Intel 20" to an amplifier -- I have an Onkyo -- and speaker system for my
> home entertainment system?

It depends what connections the Onkyo has on the back. Mine has just RCA
ports. I have a TASCAM device attached to the USB port of the computer, and
I run from the RCA ports on that to the RCA ports on my amplifier.

Now, you might say, "But I don't want to spend the money for this kind of
device!" That's a legitimate objection, perhaps, depending on what else you
want to use the device for. I also use the same device for recording LPs and
tapes from my stereo into the computer, *and* for getting MIDI in and out of
the computer, *and* for recording from a high-quality microphone, *and* for
listening to the computer on really good headphones. So, for me, it's worth
having.

m.

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Lewis Butler (apparently) - Apr 27, 2007 5:46 pm (#6 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

On 27-Apr-2007, at 09:22, Nicholas Pyers wrote:
> On 27/04/2007, at 11:01 PM, Dave Clark wrote:
>> What's the best way to stream audio (say an Internet radio station)
>> from my iMac Intel 20" to an amplifier -- I have an Onkyo -- and
>> speaker system for my home entertainment system? One audio guy
>> suggested just running an audio cable from the speaker plug out of
>> the iMac to an input on the Onkyo. Another suggested Airport
>> Extreme connected to the amplifier to do it wirelessly. Not sure
>> how this last idea would work.
>
> I'd use the Airport Express, if the computer is a fair distance from
> the iMac AND the content is already in iTunes.

Er... I didn't think the Airport express would broadcast streaming
audio?





mllists (apparently) - Apr 29, 2007 8:18 am (#7 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

I have a Creative Xmod plugged into aged but good quality amp/speakers and it works quite well. Particularly in preventing tweeter blowing pops and bangs as used to happen when waking from sleep with the amp plugged direct into the Mac's silly lo-fi mini jack output. The startup chime would wake half the neighbourhood!

The Xmod uses a USB(2) connection to the Mac and has stereo mini jacks out for line level and headphones and inputs for mic and line levels plus a large level control knob + 3 fashionable blue LEDs to cryptically indicate what's going on. The audio enhancements it provides can be turned off and adjusted if needed. For non critical listening to the dismal quality of all the compressed / lossy audio formats I've tried (e.g. mp3's, ogg, streaming audio, QT etc) it does make the sound subjectively better - particularly at relatively low listening levels.

As yet I haven't tried digitising analogue audio via the device but I doubt that it could sound any worse than the Mac's 8 bit A to Ds on my heavily upgraded AGP graphics G4. I'm not 100% sure but I think the Xmod is a 16 bit device. The unit does not require installation of any drivers or software, you simply plug it in, select your in and outs and it just works.

I had been putting off building some kind of passive attenuation device to connect the analogue out of the Mac and I have to say despite initially being highly skeptical about it's "Make your MP3 music sound better than your CDs " audio 'enhancement' claims, in a world of computer based audio compromises the Xmod has proved to be a pretty good solution. I paid around £50 for it from Amazon, ultimately probably what a half decent home made box would have cost in parts but with none of the useful features and system integration of the Xmod.

The only down side so far is that my system (10.4.9) seems to sometimes forget that the device is set to be my default audio in and out and reverts to using the Mac's tiny inbuilt speaker. I use Rogue Amoeba's helpful free SoundSource MenuExtra to select audio ins and outs.

http://www.creative.com/products/product.asp?category=209&subcategory=668&product=15913

This is what originally turned me on to the device...
http://digitalmedia.oreilly.com/2007/02/28/creative-xmod-audio-enhancer-tips.html

Nigel Stanger (apparently) - Apr 30, 2007 8:39 am (#8 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

On 28/4/2007 3:22 AM, "Harro de Jong" <hdjongtriview.nl> spake thus:

> (and the Mac has an optical output, but I think the Intel iMac does)

Not on my 20": only a couple of mini-jacks for headphones and speakers.

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Michael Krzyzek (apparently) - Apr 30, 2007 12:28 pm (#9 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier



On 4/30/07, Nigel Stanger <nstangerinfoscience.otago.ac.nz> wrote:
On 28/4/2007 3:22 AM, "Harro de Jong" <hdjongtriview.nl> spake thus:

> (and the Mac has an optical output, but I think the Intel iMac does)

Not on my 20": only a couple of mini-jacks for headphones and speakers.


Those mini-jacks are also optical input/output ports with the appropriate cable. Look at the audio port specs from the page below.

http://www.apple.com/imac/specs.html

The cable after a quick Google:
http://www.amazon.com/Monster-AI-LSS-KIT-2M-Receiver/dp/B0009S5NQO

--
Michael

Nigel Stanger (apparently) - Apr 30, 2007 1:50 pm (#10 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

On 1/5/2007 7:28 AM, "Michael Krzyzek"
<michaelresalehost.networksolutions.com> spake thus:

> Those mini-jacks are also optical input/output ports with the appropriate
> cable.

Cool! I didn't know you could combine them like that. Not that I have any
other equipment that supports optical connections anyway...

--
Nigel Stanger, Dunedin, NEW ZEALAND.
http://xri.net/=nigel.stanger


seanmcgrath - May 1, 2007 11:13 am (#11 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

Rogueamoeba SoundSource, on Intel macs, lets you route application and system output seperately.

Sean McGrath seanmanybits.net

philji (apparently) - May 1, 2007 11:13 am (#12 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

Get streaming audio form you mac is a job better done using your usb jack.
Then you use a device that will convert the I2S data into audio.
There are many devices to do this.
I will point you just one vendor.

Wavelength Audio.

Read Gordons work then look for other solutions.


-- New Mexico...
just like Old Mexico
only cleaner.

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dc1999 (apparently) - May 4, 2007 11:59 am (#13 Total: 15)  

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Streaming Audio & iPod to Home Entertainment Amplifier

I bought an $8 cable (# 42-2550) at Radio Shack and successfully
connected my iPod to my Onkyo amplifier's audio jacks in the front of
the amplifier, and that worked just fine through my system. The
cable connects to the headphone outlet on the iPod. So, I made the
same connection with the same cable to my MacBookPro, pulled up an
Internet radio station and listened to some nice bluegrass coming
from who knows where. Hundreds of radio stations online (maybe
thousands). The sound is actually better than a local LA FM radio
station.

Can't use the MacBook to work, however, because it's sitting in
living room on top of the system and it's got all my data on it. A
longer cable might fix that, maybe just wire it under the house.
Then attach to the iMac here in my home office. Zowie!! I'll become
an electrician yet.

I believe there are more expensive cables that will also charge the
iPod at the same time by connecting through the charge port. The guy
who helped install my system says his cost $80 (right, $80).

Dave

Harro de Jong - May 5, 2007 3:14 pm (#14 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

Dave Clark wrote:

I believe there are more expensive cables that will also charge the iPod at the same time by connecting through the charge port. The guy who helped install my system says his cost $80 (right, $80).


There are cheaper alternatives. The SiK din costs about $22. It doesn't come with a charger, but you can use any FireWire port to charge the iPod. <http://www.sik.com/imp.php>

Harro de Jong

dave28c (apparently) - Apr 30, 2007 12:28 pm (#15 Total: 15)  

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Re: Getting Streaming Audio from Mac to Amplifier

Thanks, everyone, for all the great suggestions.

My iMac is about 18 feet from my amplifier in another room, and i'm going to try the Radio Shack wire hookup first. Sounds the cheapest and actually the best, but I'll have to crawl under the house to get it done.

Again, thanks.

Dave Clark



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