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I'm try to record my voice via the headphone on a Mac Mini, but it's not working. I saw on Apple's site that the Mac Mini can record voice, but it doesn't seem to be working for me.

Here is a hardware overview:

  • Model Name: Mac Mini
  • Model Identifier: Macmini3,1
  • Processor Name: Intel Core 2 Duo
  • Processor Speed: 2.26 GHz
  • Number Of Processors: 1
  • Total Number Of Cores: 2
  • L2 Cache: 3 MB
  • Memory: 4 GB

Audio:

  • Make: Intel High Definition Audio
  • Audio ID: 65
  • Headphone connection: Combination Output
  • Line Input connection: Combination Input
  • Speaker connection: Internal
  • S/PDIF Optical Digital Audio Output connection: Combination Output
  • S/PDIF Optical Digital Audio Input connection: Combination Input

Any ideas how I can successfully get recording working?

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migrated from stackoverflow.com Jun 14 '11 at 4:51

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2  
generally headphone refers to a listening apparatus. you need a microphone to record. –  jcomeau_ictx Jun 14 '11 at 4:12
    
my headphone can record on window 7, but on mac mini, it's not working –  user718408 Jun 14 '11 at 4:23
    
It should workie. Not sure why it's no workie. Try again so you can make it workie. –  Austin ''Danger'' Powers Apr 17 '13 at 4:47

4 Answers 4

Macs don't have mic-in (microphone input) jacks, they only have line-in jacks. Line-in jacks are "line level" audio input jacks, for receiving moderately amplified audio signals from another independently-powered piece of audio equipment like an audio CD player. Line-in ports expect power levels about an order of magnitude stronger than microphones usually provide.

Using the earpiece of a headphone as a makeshift microphone might kinda-sorta work, albeit at very low quality, on a mic-in jack, but it would never work on line-in. Even with very large over-the-ear headphones, the amount of power generated by your vocal sound waves vibrating the speaker cone to move the speaker coil through the magnets would be far too little to really register on a line-in jack.

Like jcomeau_ictx suggested, you can get a pre-amp for a microphone that amplifies the signal from mic-level to line-level. Or as NReilingh suggested, you can get a USB microphone that has it's own ADC (Analog to Digital Converter), so it basically acts as its own mic-in jack and sound input card.

If you have headphones that contain a built-in mic, you might be able to get that built-in mic to work on the headphone jack of your Mac mini, as long as the tip/ring/sleeve "pinout" of your headphones' 3.5mm phono plug matches the way Apple does the pinout for their iPhone headset with microphone.

(I feel like I've just consolidated and expounded upon what the other Answers have said, without adding much of my own, so feel free to vote them up instead of me.)

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Connect your microphone to the "line input" jack, since the specs you posted seem not to have a microphone jack. It may not work if your mike cannot generate enough voltage; you would need a preamp in that case.

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What (I assume) you read on Apple's website was:

Support for Apple iPhone headset with microphone

The Mac mini contains no internal microphone, so you need to attach your own to the Line In jack. If you have an iPhone headset (this would look like iPod earbuds but with a microphone capsule on the cord and a TRRS 3.5mm plug on the end), you can plug that into the headphone jack and go to town.

It's theoretically possible to use regular headphones as a microphone, since at the base level, a microphone is just a speaker in reverse. You would have to plug your headphones into the Line In jack and then scream at the earpiece. It will likely sound like garbage.

If you don't have your own mic or iPhone headset, the simplest option will likely be to just pick up one of these.

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I ran into this same situation the first time I tried to plug in my headset to my mac mini.

It doesn't have a mic input, it's a line input. The solution was to purchase a USB sound card with mic level input such as a iMic or similar. Once I did that I didn't have any more issues and I could use skype just fine.

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