How to connect radio to PC in order to let computer's speaker replace the radio's speaker ?

Hi All
How to connect radio to PC in order to let computer's speaker replace the radio's speaker ?  Thank you
eemoonAsked:
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NVITEnd-user supportCommented:
Get a 3.5 mm male to male cable. Connect one end to the radio speaker output. Connect the other end to the computer microphone or input.
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NVITEnd-user supportCommented:
If your computer doesn't have a mic port, get a usb 3.5 mm stereo adapter
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rindiCommented:
It would be easier to connect the PC speakers directly to the radio. Then you don't need to keep the PC and an application like soundrecorder or similar running while you want to listen to the radio.

Or get a PC radio card that you install directly in the PC or as a USB deivce.

Besides that, most radio stations these days stream their content on the internet, so you probably don't even need the radio.
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eemoonAuthor Commented:
Thank you all for your fast reply. As the radio is very good, I would like to listen to the radio through my PC. I tried connect the radio to the PC(mic port) through male to male cable, but it cannot work. Maybe i did something wrong ?
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Joe Winograd, Fellow&MVEDeveloperCommented:
It depends on what type of output ports your radio has and what type of input ports your PC has. One scenario has already been specified by NVIT — 3.5mm male-to-male:

3.5mm male-to-male
Another scenario is RCA jacks on the radio to 3.5mm on the PC:

RCA jacks to 3.5mm male
On the input side, you may have a Line-In (blue below) or Mic-In (pink below):

mic-in and line-in
Both are 3.5mm.

Another possibility is that your radio and/or PC could have optical ports:

optical Toslink
There may be other possibilities, but those are off the top of my heard. Regards, Joe
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rindiCommented:
As I mentioned, connect the speakers directly to the radio. If your PC only has internal speakers and not external ones, then they will be too crappy anyway as they will be too small to output good quality sound, and those of your radio will probably be better.

If you really need to connect the radio to the PC, then you will have to run an application that loops the signal from the line in port of your audio card (to which you have connected the radio), through the sound card and to it's output. You will also have to adjust the settings of your application so it does what you want. If I'm not mistaken, it should be possible via the soundrecorder of windows, Better of course is audacity.

http://portableapps.com/apps/music_video/audacity_portable
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eemoonAuthor Commented:
These PC are laptop. I am using 3.5mm male-to-male, it cannot work. I am trying this thing in another laptop, but the laptop does not have port for microphone. Which device do I need to buy to connect the 3.5mm male to male cable ? USB adapter ?

I think rindi might be right. It is not just physical connection, and it needs to have a lot parameter configured.
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dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
>>  I tried connect the radio to the PC(mic port) through male to male cable, but it cannot work. Maybe i did something wrong ?

Don't use the mic port.  Use the line-in port.  This is the blue port.  See Joe Winograd's picture above.

You may also have to check the computer's settings for the sound ports to see that Line-in has been enabled and to adjust the volume settings for Line-in as well.
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Joe Winograd, Fellow&MVEDeveloperCommented:
> the laptop does not have port for microphone

Is it a combination port — that is, a single 3.5mm port that supports both mic-in and speaker-out? That's what my HP2540p laptop has. What make and model is your laptop?
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EirmanChief Operations ManagerCommented:
Which device do I need to buy to connect the 3.5mm male to male cable ? USB adapter ?
http://www.ebay.co.uk/itm/USB-2-0-To-Mic-Speaker-Audio-5-1-Ch-Channel-3D-Sound-Card-Adapter-Virtual-For-PC-/141165447136?pt=LH_DefaultDomain_3&hash=item20de1dc7e0

I've used them and they do work.
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eemoonAuthor Commented:
TOSHIBA L645 laptop, it does not have Line-in port. There are only two 3.5 port, one is for mic and another is for headset
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eemoonAuthor Commented:
A great device
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Joe Winograd, Fellow&MVEDeveloperCommented:
First you said:

> the laptop does not have port for microphone

Then you said:

> two 3.5 port, one is for mic

Which is it?
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eemoonAuthor Commented:
two laptops
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rindiCommented:
Laptop speakers are terrible in sound quality, they are just too small, you can't get any good bass out of them, for that you need plenty of empty room so the sound waves can give the proper resonance. They are only there to have some sound. I'm sure your radio has better sounding speakers built-in. Or get yourself some external speakers which you can use for both your laptop and your radio.
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Joe Winograd, Fellow&MVEDeveloperCommented:
> two laptops

I don't understand. Which one (make and model) do you want to plug the radio into — and what ports does it have?
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dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
The laptop has one microphone port and one headphone port.

Don't try connecting the radio to the laptop.

You've got two different resistances/impedances to match and they are totally different.  They generally need to be similar.

The radio will be roughly 4 to 8 ohms.  The microphone impedance for the Toshiba is 600 ohms.

If you try connecting you may damage your system.
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eemoonAuthor Commented:
To Joe,  "I don't understand. Which one (make and model) do you want to plug the radio into — and what ports does it have?"

I was trying to plug into TOSHIBA. Since it was unsuccessful, I doubt there is a problem in the first PC, then I tried second laptop, but I found the second laptop does not have port for mic
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Joe Winograd, Fellow&MVEDeveloperCommented:
OK, now I understand your comment about two laptops. Following up on rindi's comments, do you think that either laptop has better speakers than the radio? Also, dbrunton's comment about the danger of connecting the radio to the PC makes a lot of sense to me (although it is beyond my areas of expertise). Regards, Joe
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nobusCommented:
i have never seen problems with that, since the laptop input impedance is much higher
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