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HELP Audio in on my iMac non functional
Posted by: chopper
Date: July 02, 2019 04:12PM
iMac (27-inch, Late 2009)

I'm trying to digitize some of my old cassettes by using a

Known good cassette player (2)
Known good Aux cable (3)
Audacity

Everything seems set up correctly in terms of preferences. Audio is set to line in, Audactity sees this as well.

Cassette player is functional. Line out works with headphones. Tapes play, I can hear sound very well.

It would seem this should work but the computer does not seem to hear any audio going into the line in. Reset the PRAM, etc, no dice.

Tried multiple different aux cables. No dice.

Internal microphone does work and everything records that way but it does seem a bit 1976 to me.

What can I be missing?

TIA

Chop
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Re: HELP Audio in on my iMac non functional
Posted by: btfc
Date: July 02, 2019 04:20PM
Check Audio MIDI Setup in Utilities.

Zap PRAM.
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Re: HELP Audio in on my iMac non functional
Posted by: pdq
Date: July 02, 2019 04:47PM
Couldn’t find an image of a 2009 iMac, but I presume the audio ports look like this:



I’ve always found the icon for audio in to be cryptic - you’re not plugged into the headphone port, I presume?
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Re: HELP Audio in on my iMac non functional
Posted by: JoeM
Date: July 02, 2019 04:55PM
What btfc said: Check your Audio Devices/ Input/ Built-In Line Input, in Audio MIDI Setup



JoeM
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Re: HELP Audio in on my iMac non functional
Posted by: chopper
Date: July 02, 2019 05:02PM
This is what the settings look like. Is it correct?

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Re: HELP Audio in on my iMac non functional
Posted by: chopper
Date: July 02, 2019 05:06PM
Running Sierra.

Just realized that this iMac is 10 years old!

For the most part it works great.
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Re: HELP Audio in on my iMac non functional
Posted by: anonymouse1
Date: July 02, 2019 05:26PM
Have you checked that there’s actually a signal going out from the cassette player on those specific outputs? Or are you running from the headset jack with an adapter? If you’re running from the headset Jack, is the volume turned up?
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Re: HELP Audio in on my iMac non functional
Posted by: chopper
Date: July 02, 2019 05:32PM
Volume is cranked. Very clear through headphones (2) or the speaker on the cassette players (2).

Meaning I tried two different cassette players and two different aux cables. Are aux cables the same as like a microphone cable?
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Re: HELP Audio in on my iMac non functional
Posted by: Forrest
Date: July 02, 2019 05:32PM
Those settings in Audio MIDI setup look fine. Your input cable is recognized by your Mac, or the Input tab would not be selectable.

I don't know why it's not working.

Worst case is you'll need to attach a Sabrent USB External Stereo Sound Adapter for Windows and Mac. Amazon sells this USB adapter for $7.99
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Re: HELP Audio in on my iMac non functional
Posted by: Forrest
Date: July 02, 2019 05:37PM
To connect the cassette deck to your Mac, you should be using a 3.5mm M/M Stereo Audio Cable. These are commonly sold for $5 or less.
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Re: HELP Audio in on my iMac non functional
Posted by: JoeM
Date: July 02, 2019 05:57PM
Quote
Forrest
To connect the cassette deck to your Mac, you should be using a 3.5mm M/M Stereo Audio Cable. These are commonly sold for $5 or less.

You can use a 6 Inch 3.5mm Stereo Mini Plug to 2 RCA Jack Adapter:





JoeM
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Re: HELP Audio in on my iMac non functional
Posted by: wurm
Date: July 02, 2019 07:12PM
Looks like your Master level is all the way down.
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Re: HELP Audio in on my iMac non functional
Posted by: JoeM
Date: July 02, 2019 07:56PM
Quote
wurm
Looks like your Master level is all the way down.

Also, check your System Preferences/ Sound/ Input and make sure your Input volume is turned all the way up.



JoeM
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Re: HELP Audio in on my iMac non functional
Posted by: Sarcany
Date: July 02, 2019 08:22PM
Quote
chopper
Cassette player is functional. Line out works with headphones. Tapes play, I can hear sound very well...

I think you're getting audio, but it's at the wrong level for recording.

It's a line-level input.

You need to crank up the volume all the way on the tape deck.



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Re: HELP Audio in on my iMac non functional
Posted by: Don C
Date: July 02, 2019 10:40PM
I don't know why it is needed, but an app called LINEIN has helped me when otherwise reasonable settings don't work.
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Re: HELP Audio in on my iMac non functional
Posted by: space-time
Date: July 03, 2019 06:15AM
Quote
chopper
This is what the settings look like. Is it correct?


your Master Volume is all the way down. Drag it to about 3/4 to the right.
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Re: HELP Audio in on my iMac non functional
Posted by: RAMd®d
Date: July 03, 2019 01:27PM
Master volume can't be adjusted in that configuration.




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Re: HELP Audio in on my iMac non functional
Posted by: chopper
Date: July 04, 2019 12:53PM
What config would I use?
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Re: HELP Audio in on my iMac non functional
Posted by: Sarcany
Date: July 04, 2019 03:20PM
Quote
chopper
What config would I use?

Your settings are correct in Audio Midi Setup.

Again, it's a line-level input. If your tape deck does not have a real "line-out" and only has a headphone jack then you're outputting the wrong levels for this purpose.

At this point, I suggest buying a cheap USB audio input device off of Amazon.







Edited 1 time(s). Last edit at 07/04/2019 03:21PM by Sarcany.
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