Line input settings

I have selected line input in my audio preferences and set the recording level and at that stage I can see that the internal mic has been by passed. However when I go to garage band only the internal mic is active. What am I doing wrong or do I need some kind of interface? I realise that this question is very basic! Thanks to anyone who can help.

http://www.bulletsandbones.com/GB/GBFAQ.html#recordlinein

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Line input failed

I can't get any line input signal to show up now, either in OSX or in XP Pro (bootcamp). My input source is not a mic, so I know reduced input voltage is not the issue. I also know that I have the Audio Midi Setup settings properly configured.
I've tried this in Audacity & QT Pro 7.5.5 on OSX & in sound recorder on XP. It appears that there is no input signal to be had through the line-in. In the past I could get a signal through line-in. I know the cable input cable is good, I know the signal is coming through the input cable, but there is no line-in signal showing in the applications.
I saw some old, archived forum discussions about this problem, which suggested that the issue was related to OSX 10.4 updates 10.4.10 and later, but there were no answers or solutions there. The fact that the problem appears in both OSX and XP leads me to think it may be hardware and not software.
Any ideas?

Hello: Thank for your answer, I took some of your code, and did this:
# Check the number of arguments that could be passed.
if [[ ${#@} != 2 ]]; then
echo "Wrong # of parameters...Use: check<inputfile> <outputfile>\n"
exit
fi
#Inputfile: is in position 1 on the ARGS
inputfile=$1
#Outputfile: is in position 2 on the ARGS
outputfile=$2
MIN_LENGTH=100
MATCH_PATTERN="5698"
#Read all the lines of the file.
# Notice: "read -r" Do not treat a backslash character in any special way.
# Consider each backslash to be part of the input line.
while read -r line
do
len=${#line} #Store the length
pattern=${line:0:4} #Store the first x chars for contrast with [MATCH_PATTERN]
if [[ "$len" -lt "$MIN_LENGTH" && "$pattern" = $MATCH_PATTERN ]]; then
(( ++count ))
echo "$line" >> "$outputfile"
fi
done < "$inputfile"
printf 'Number of registers: %s\n' "$count"
But I have some questions:
I) In your code, why use:
done < inputfile
. I don't get it. With the "while" is not enough to read all the file.
II) Is it OK to use inputfile=$1 and outputfile=$2 that way?
III) I did not find why (( ++count )) works in shell! Using
let count = count + 1
works, but that way you did it is more elegant.
IV) Puting "exit" at the end is redundant?
Thanks for the guide, is more compact that the one I was/am reading
Last edited by gromlok (2011-09-25 04:03:44)

Line Input Hardware Unrecognized after 10.6.2 Update

Both my Macs (Pro and iMac) don't recognize Line Input hardware (headset and stand alone mics) after the last update. Under Midi Setup, mute is unchecked and all other settings appear normal. I do lots of recording and this is a huge problem...HELP!

No, not using USB; standard 1/8 jacks.
The System Profiler shows that I have numerous input/output combos and such. But, the actual devices I'm connecting don't show up. Should they on the Profiler?

Line input problem with Logic X, No issues Logic Pro

I use the line input on my 2011 Imac to record audio from my piano keyboard. When using LOGIC X there is no sound coming through the speakers, but with Logic Pro 9 I have no issues. I tested with new projects, ect but was unable to get to work.
In both Logic Pro and Logic X I have made an audio track and made sure input monitoring is on. I made sure volume was sufficient. I have tried to fix this to no avail and was thinking about bringing to apple store, but this appreasrs to be some sort of logic x bug (or I am missing something). Any help is appreciated as this is very frustrating.
Brian

I think you're missing something.
http://help.apple.com/logicpro/mac/10/#lgcpbb81aca5
You have to configure each program top to bottom, go to the above link and make sure all your settings are correct. (the won't necessarily match the pic)
Look at your Logic 9 settings Preferences/Audio and then set up Logic X the same way.

My iPhone 4 ios5 has suddenly stopped giving me the option to join any wifi network. The 'wifi' line in settings has gone grey and does not respond to touch. How can I get it back? AW

My iPhone 4S ios5 has suddenly stopped letting me connect to any wifi. The wifi line in settings has gone grey, reads 'no wifi' and does not respond to touch. How do I get reconnected?

HI there,
You may want take a look at some of the troubleshooting steps found in the article below.
iOS: Wi-Fi settings grayed out or dim
http://support.apple.com/kb/ts1559
Hope that helps,
Griff W.

Line input question

I would like to be able to use my desktop speakers to listen to a satelitte radio receiver using the Mac Pro's line input and volume controls but I can not find a way to nake this audio "pass through" from the line input to the line output.
I know that there is analog audio present at the mini plug I am feeding the line input with because I can select it as my recording source in other applications (garage band, peak, etc.). Obviously, I would prefer not to have to run one of those applications to monitor the audio.
Any suggestions are appreciated.
Mac Pro Mac OS X (10.4.7) Macbook Pro

Thanks for your input, but I was hoping to find a solution that did not involve more hardware. I would really be quiet happy if the audio was just able to pass thru.
Mac Pro Mac OS X (10.4.7) Macbook Pro

My britness on my iphone 5 was on 100 % and I turn my screen off and after ten min I turn it back on and the screen was on 0% while the britness line on settings was on 100% is it an IOS 6 bug or is my iphone borking???

My britness on my iphone 5 was on 100 % and I turn my screen off and after 10min i turn it back on and the screen was on 0% while the britness line on settings was on 100% is it an IOS 6 bug or is my iphone broking???

I've seen that happen sometimes. For me, pressing the lock button to lock it, and then pressing the home button to get to the lock screen reverts it back. If that doesn't work, just move your brightness slider lower and then higher again.

Installed Camtasia which wanted Soundflower and now line-input doesn't work

I installed the Camtasia demo which asked to install Soundflower to get the audio recording working, then I went to skype and my mic/headset (attached to the line-input) no longer worked. I've tried attaching different headsets to the same input, visiting System Preferences / Sound and tapping the mic, but nothing seems to fix it, and I haven't installed anything else, so it has to be Soundflower doing something to affect the line-input.
Has anyone else noticed this? Is there any easy fix?

Thanks, I've tried that but they haven't responded yet. I wondered if anyone on the apple forums had seen a similar problem...

1DC- Sound Recording via Line input woes

Have the latest firmware update on my 1DC. There are 3 issues I am hoping someone can help with
#1 I assume you must set Sound recording to 'Line input' and NOT manual, but if I set the Rec level, whenever the camera is powered off, either automatically or manually, this Rec level is ALWAYS reset to zero. Also, the moment recording is startted, even though audio input levels are set correctly, no audio is recorded. This seems like a firmware bug to me. This does NOT happen when set to manual. Anyone know of a workaround?
When using Manual and plugging in an external audio source I assume this signal will override the audio from the camera's internal mic.
If this is correct and there are no issues when using 'Manual', then what is the difference between 'Manual' and "Line input'??
#2 When setting Sound input to Manual, the VU meters are visible, but NOT when set to Line input. Why?
#3 Can anyone recommend a specific connector to go from line out on a Zoom H6 to Mic in on the 1DC?
Solved!
Go to Solution.

No. Apparently a buggy firmware release. My understanding is that there is another release planned soon. Hopefully with several new (and working) features in addition to the line input.
Using Manual with a -25dB cable for now.

Invalid input settings

I'm recording multiple tracks of drums going into an Alesis XT20. Out of that I'm digitally into bank B of a MOTU 2408 audio interface. That is going firewire into the pci-424e card and into my G5Quad. I'm also monitoring thru the 2408 via a small mixer. After recording 8tracks of drums, I go back to the head of the song with the tracks still in record mode. When I press play, I get the error message "invalid input settings 10021" After pressing enter, one of the tracks pops out of record and the tracks play. THEN when I press stop, the same message arises. ?????????? Very annoying to have to pop out of record mode on my Mackie Universal Control just to monitor tracks. I've got the clock source set to Adat bank B?????

Part of my setup is identical to what you describe.
I've not seen that error
If you disarm recording on all tracks of the Alesis do you still get the warning?
Are you controlling the Alesis from inside Logic using MMC?
If so does disarming record in Logic stop the error.
I have always switch record arm off whenevre I playback, so if that is relevant I don't know.
Peter
ps technically spaking, to be pedantic, the connection is MOTU AUdio wire, not Firewire. The pdi card keeps the firewire bus free.

Time code and line input

Greetings all,
I am trying to import 16X9 beta footage into my FCP. Since I don't have a Kona card or other direct imput device, I am having to go through my JVC BR-HD50 tape deck as a line input. Then set the FCP to import from a noncontrolable device. It works, with only one problem. I obviously can't get the original timecode that way. Is there a way to change the time code once it's in FCP or, is there a way to do it as it is being brought in?
Any hideas?

Sure. Determine what it should be in each clip you capture, then select a clip, and from the modify menu, select timecode... it will change it in the media file to be what's on the tape.
Jerry

Audio Line-Input defect!

1. The Line-Input of my Macbook Pro 2.8 (late 2008) records phase-inverted! This happens with both Windows and OS X, so it seems to be happening in hardware.
2. The Realtek Windows driver shipping with Boot Camp is badly bugged. On the Input it clips everything above -12 dB hard, but only on the positive side of the waveform (negative is unharmed)! Fortunately this is fixed with the current R2.14 drivers.
This leaves the question of whether Apple has ever tested the line-input of it's shiney and expensive new Macbook Pros!?

****, the phase-inversion turned out to be the cable. You may call me stupid now!

Adaptor to connect balanced microphones in the line input of sound c

)Many times we need the use of a professional microphone.But in which input of our sound card? Because the balanced signal produced, we need an adapter to connect it in the line input. In my site there is a proposed construction and complete instructions, plans and
photos. Visit my site at URL http://www.eal.gr where you can find the whole article.
2)Request
If you visit my web page and if you have the kindness, leave a comment, be it small about her appearance, how many is easily read, if she is narrow that is to say at width,
if the letters have small size, if the syntax and the spelling they have a lot of errors,
and anything other you do not like, because i do not have experience in the web pages
and my knowledge of English language is limited, thus my any comment is precious
so that i now correct my errors that are the beginning. I am not you to bother with e ? mails because it should you leave your mail address.
?hanks for your attention
Fotios Anagnostou
Message Edited by fotios on -23-20060:6 PM
Message Edited by fotios on -23-2006:03 PM
Message Edited by fotios on -27-20060:05 PM
Message Edited by fotios on -30-200608:42 AM

Dear Jutapa.
While i am occupied with electronics for more from thirty years, my experience in the web pages has age of fifteen days. Thus your comments about the appearance of my site are precious and be compelled to you. Thanks, but i do not understand what means ?IMO?. Also, what means that my site is very hard? Please inform me to correct it. Now the answers in your questions:
) Perhaps you decei'ved from the size of transformer because it is only 50VA (or 50W / 30V = ,66A) and his cost in Greece does not exceed the 8?. Keep in mind always that, the toroidal transformers cost at 70 percent least from the E-shaped transformers. But in any case the total cost of the unit does not exceed the 45?. Surely this cost approaches the cost of the available mini mixing desks in the market. But the sound quality of the unit is comparable only with the high quality professional mixing desks, because the structure of circuit is precisely same with a channel such desk, a thing that appears and only from the supply of +/-8Volts. The phantom power of 8Volts maximum is enough for all modern condenser microphones. There are in the market such type units from famous brands as dbx, bss, apex, rane, symetrix, dda etc. and their price exceeds the 300? as these units are addressed for use in studios.
2) The oscilloscope graphs quoted in the article, believe me it is the better method of estimate the unit ? especially the square wave response ? because they express her transient character as this is most important for a designer of electronic circuits while the usual graphs of THD+Noise are offered more for consumers. If study my article, you see somewhere my explanation about this. Anyway, the T. I.M. factor of a closed loop circuit (Transient Intermodulation Distortion) expresses the possibility of it to manage the harder signals ? this is the response ?speed? to fast transients ? without oscillations. In the software of my oscilloscope included and a FFT analyzer to give the THD but i do not use it because by default today yet the chipper units in the market has very low THD due to the evolved modern electronic parts. The same is also in effect for the noise produced by the circuit himself. As it is known, the fundamental Johnson noise or thermal noise from metal film resistors is too little and the NE5532 ? NE5534 produce noise of certain nanovolts.
3) About the EIN (Ein) - or the sensitivity of input so that us understand also the other ? reported in the schematic diagram in dBV. Why not in dBm? Because from habit i do not want to take into account the input impedance ? as get used almost all the designers of electronic circuits ? and in this way the logarithmic expression of the minimum gain of input it is given by the use of dBV (reference ratio to Vrms). Let to calculate the input sensitivity in dBm as you prefer: The input impedance of the balanced input is: Zin = R2+R3 = 20 K? approximately. The total gain of input presented at the output of the subtructer U2A and is: V = V3-V2. The minimum gain of the first stage composed by the two non inverting UA and UB with VR5 turned full CCW is: Av = +[2X(R4+R3)/VR5+R5] = +[2X000/47220] = +0,466 = ,466. In dBm the reference is 0,775Vrms thus Av = ,466X0,775 = ,36Vrms. And because the output of U2A is twice his inputs then: V = 2X,36 = 2,272 Vrms and the sensitivity in dBm is: Ein = 20 X log(2,272 / 0,775) = 9,34 dBm. And if we take the maximum gain of the first stage - by turning VR5 full CW - of 0 with the same equations in dBm, results: 46 dBm
Best regards
FotiosMessage Edited by fotios on -30-200608:43 AM

Considering a Macbook pro 13". want to use garage band - how do i run line in from my guitar. There is not a mic/line input that I can see in specs.

Considering buying a Macbook pro 13". Want to use garage band - how do i run line in from my guitar. There is not a mic/line input that I can see in specs.

Simple. GarageBand question, GarageBand forum where all those users are jacked into their Macs and can tell you how. Also look to the right of your post to the column, "More Like This."---------------------------------------------->
https://discussions.apple.com/community/ilife/garageband

Analogue line input on SB Live!

Hi,
I am trying to sample my old vinyl record collection using my Sound Blaster Li've! PCI (think that was the model - it was the original (not Value) version of the card with the seperate header for the coaxial digital and MIDI I/O).
Unfortunately, I get severe clipping regardless of the recording volume on the Volume Control panel. I know that my photo pre-amp is capable of high voltage outputs and therefore wondered if anyone was aware of the sensitivity of the analogue line input in volts of this particular model?
Many thanks.
Regards,
Paul.

paush wrote:
Hi, I am trying to sample my old vinyl record collection using my Sound Blaster Li've! PCI (think that was the model - it was the original (not Value) version of the card with the seperate header for the coaxial digital and MIDI I/O). Unfortunately, I get severe clipping regardless of the recording volume on the Volume Control panel. I know that my photo pre-amp is capable of high voltage outputs and therefore wondered if anyone was aware of the sensitivity of the analogue line input in volts of this particular model? Many thanks.
Regards, Paul.
If your pre-amp is a phono pre-amp (with RIAA in-build), I suppose it's not the culprit for clipping.
How have you set the recording and source (input) levels on Volume Control and Recording Control?
Try adjust the recording level by the 'hights' (loudest outputs) of the record (you know those recordings so you can easily find those places (or you can look on vinyls surface where the darkest areas are --> loudest outputs)).
jutapaMessage Edited by jutapa on 0-23-2006 :38 PM

Line input settings

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