Audio out and from imac simultaneously?

I have attached RCA cables from my imac to my stereo's aux input, and want to hear my iTunes music through the stereo and the computer simultaneously. Is this possible? Right now it can be only one or the other: When the cables are plugged in to the iMac's headphones jack it plays through my stereo; when the cables are unplugged the sound plays through the iMac. Help!

According to the System Preferences help file: "You can choose to hear sound played through your computer’s built-in speakers, or through external speakers, headphones, or stereo equipment that you connect to your computer." All those "or" comments without an "and" indicate it's it's an either/or option.
You can, however, get an Airport Express and an Airport Express Stereo Connection Kit and listen to both using Airtunes. Read more here: http://support.apple.com/kb/HT2686

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Multiple Audio out: usb dac audio out and hdmi out

Good afternoon everyone, I have a 2010 mac mini with the following audio set up.
- A usb dac (xtreamer) connected to my stereo amplifier
- an Hdmi cable to the tv to get video and audio diretcly to the tv
Is it possibile by any chance to get simoultanesly audio output both from usb audio out and hdmi audio out???
In "midi preference panel" I tried to create a "virtual" sound card but i am not able to get sound simoultanesly. or via hdmi, or via usb.
this is quite disappointing because if I want to listen to music with the amplifier and then watching a simple video with mac mini and tv only I need to go back to the audio preferences and set up manually each time.
Is it possible to solve this issue???
Thanks a lot and gretings from Italy

I can select ATV audio out (Airplay setting) to either my Airport Express or my computer so it must be transmitting via airplay. Using a combination of Airserver, Airfoil and Airfoil Speakers I managed to get the ATV audio content on both my PC and my Airport Express at the same time but it cuts out the ATV audio.
My aim is to have a movie on ATV transmitting the Audio to ATV AND my stereo (which is hooked up to the Airport Express).
Cheers

Ripping audio out and converting to MP3

Hey guys,
I have some footage of a local band that I'd like to strip from the actual footage and then convert the audio to separate MP3's for the guys. The audio turned out excellent from the show and I was wanting to basically make a cd of this performance with the audio using imovie 09.
Thanks!!

When you export, select export to Quicktime movie then select sound to AIFF, you will need to use itunes to make a final conversion to MP3.

USB Audio Devices and Intel iMac

With the release of 10.4.10 and the subsequent Intel audio update to suppress the "popping" noise, Apple managed to break my output of audio through an external USB sound card (in my case a Yamaha DP-U50). The device is still recognized as an input device and works fine for that purpose -- output is simply not available.
What's more frustrating is that the device works fine with my PowerBook G4 (in both Tiger and Leopard), so it appears to be Intel specific.
From the forums then, the problem also appeared to affect many other's input devices as well.
It doesn't appear that anyone ever managed to find a fix for this issue in 10.4.10 and consequently, I'd been expecting Apple to simply fix the bug in Leopard.
Well...I installed Leopard 2 days ago and there's been no change. The device is still recognized as an output device by the G4 PowerBook and not by the Intel iMac.
If anyone has gotten such a device to work with either Leopard or 10.4.10, I'd really appreciate some troubleshooting tips.

I do have a Yamaha AP-U70 attached via USB to a PowerBook G4. It did work as audio input and output device in tiger (up to 10.4.11) but is now in leopard only visible as input device.
I would be very happy if someone finds a hack to reenable it.
regards,
André

Tcpdump on wireless only shows traffic to and from iMac running tcpdump

Hello,
I'm trying to run tcpdump to see traffic on my wireless network.
So far, I'm only able to see packets that are to, or from, the iMac
that is running tcpdump.
I have NOT been able to get tcpdump to show me traffic between other
devices on my network, such as an iPod Touch and the outside
world. I'd like to be able to see DNS, HTTP, and SMTP traffic
so I can troubleshoot a device on my network that collects production
data from a solar photovoltaic system and is supposed to email reports
to me periodically. Recently the reports stopped arriving.
If I run this tcpdump command as root I see lots of traffic, but all the
packets are either from my iMac or addressed to it.
# tcpdump -i en1
If I run tcpdump with the arguments “host 10.0.1.3” which is
the IP address of the iPod Touch.
I'll see packets that are exchanged between it and the iMac,
but nothing between 10.0.1.3 and the outside world.
Here's what tcpdump looks like if I ping the iPod Touch from the
iMac and also browse the web on the iPod:
# tcpdump -i en1 host 10.0.1.3
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on en1, link-type EN10MB (Ethernet), capture size 65535 bytes
00:29:32.021824 ARP, Request who-has 10.0.1.3 tell 10.0.1.2, length 28
00:29:32.227498 ARP, Reply 10.0.1.3 is-at 90:84:0d:3a:32:9c (oui Unknown), length 28
00:29:32.227525 IP 10.0.1.2 > 10.0.1.3: ICMP echo request, id 33391, seq 0, length 64
00:29:32.229182 IP 10.0.1.3 > 10.0.1.2: ICMP echo reply, id 33391, seq 0, length 64
00:29:33.021892 IP 10.0.1.2 > 10.0.1.3: ICMP echo request, id 33391, seq 1, length 64
00:29:33.146741 IP 10.0.1.3 > 10.0.1.2: ICMP echo reply, id 33391, seq 1, length 64
00:29:34.021939 IP 10.0.1.2 > 10.0.1.3: ICMP echo request, id 33391, seq 2, length 64
00:29:34.068533 IP 10.0.1.3 > 10.0.1.2: ICMP echo reply, id 33391, seq 2, length 64
The ping traffic shows up as ICMP packets, but there's no sign of HTTP traffic.
My impression from what I’ve read on the web is that others have been able to do
packet sniffing of the “in-use” Airport network using tcpdump on Mac OS X and that
tcpdump automatically puts the interface in the required mode (promiscuous?).
 I don’t know what I’m missing.
Thanks for any advice.
Model Name: iMac
Model Identifier: iMac10,1
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
System Version: Mac OS X 10.6.2 (10C2234)
Kernel Version: Darwin 10.2.0
Software Versions:
Menu Extra: 6.2 (620.24)
configd plug-in: 6.2 (620.15.1)
System Profiler: 6.0 (600.9)
Network Preference: 6.2 (620.24)
AirPort Utility: 5.4.2 (542.23)
IO80211 Family: 3.1 (310.6)
Interfaces:
en1:
Card Type: AirPort Extreme (0x168C, 0x8F)
Firmware Version: Atheros 9280: 2.1.9.5
Locale: FCC
Country Code: US
Supported PHY Modes: 802.11 a/b/g/n
Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56,
60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165
Wake On Wireless: Supported
Status: Connected
Current Network Information:
PHY Mode: 802.11n
Channel: 2
Network Type: Infrastructure
Security: WPA2 Personal

William Boyd, Jr. wrote:
LGardener wrote:
I'm trying to run tcpdump to see traffic on my wireless network.
So far, I'm only able to see packets that are to, or from, the iMac
that is running tcpdump.
What you want is known as "promiscuous mode". On Mac OS X 10.5.8 that seems to be the default. I'm not running a 10.6 Mac (yet), so I can't check what the tcpdump behavior is on that system. Try "man tcpdump" to see what it tells you about that.
Thank you William.
Here’s my take on what the tcpdump manpage on Mac OS X 10.6.2 has to say related to promiscuous mode:
“Reading packets from a network interface may require that you have special privileges; see the pcap (3PCAP) man page for details.” The pcap(3) manpage says on Mac OS X “You must have read access to /dev/bpf*.” Since I’m running tcpdump as root I assume that is covered.
If you run tcpdump with the arguments “-i any” captures will not be done in promiscuous mode. I’m not using “-i any” so that does not apply.
“-p Don't put the interface into promiscuous mode.” This implies that the default
mode is promiscuous.
The tpcdump and pcap manpages also discuss monitor mode for wireless, but I don’t think that is what I’m after since I only want packets from my “associated network.” I’m not trying to get packets from other networks in the area, that is ones with different SSIDs.
Can anyone who is running 10.6.2 confirm that tcpdump supports promiscuous mode on a wireless LAN. My orginal note outlined a way to test this, in my case using an iMac to run tcpdump and another device, an iPod touch, to generate some (HTTP) network traffic by browsing the web. The question is does tcpdump capture the packets going to and from the second device (iPod Touch) and the external web server. On my network the iPod Touch has address 10.0.1.3 so I could run tcpdump on the iMac and limit the capture to packets that are going to or from the iPod using this command:
sudo tcpdump -i en1 host 10.0.1.3
While this tcpdump command was running I browsed the web on the iPod Touch. What I wanted and expected to see was a bunch of HTTP packets, but none appeared.
Thanks for any input or advice.

Using the firebox/ to record an external synth via audio outs and a USB Mic

I have the following set up:
firebox Firewired to the QuaD.
ALL audio in and out is PRESONUS FIREBOX
in GB prefs/sound/audio midi utility
will i be able to record vocals with the USB samson
and add
an external synth coming in to channels 1/2 in the front of the Firebox 1/2 channels
and ofcourse use GB as the recording studio and use this all together.
the outs in the back of the Firebox go to a minidisc whose audio outs go to monitors so that i can record what i do in case genius strikes me fiddling around
as we all do.
so 1 Firebox, Firewire, Samson Mic ( USB ) GB 08 , minidisc, monitors
with all drivers to PResonus together.
i notice in audio midi i needed to change to device not mac to rid static
Is this a plausible set up?
can this work:
The synth is taking up 1 real track ( i set monitor on and mono presonus track )
the samson mic is taking up another real track
can i hear record the synth and sing at the same time with them on both tracks
Chris said use aggregate in the midi audio
i do not understand how to do that and what that means?
would someone be kind enough to explain this?
please take it a step at a time.
i essentially want everything working at the same time
external synths/usb mics/Gband/external recording/monitors
using the presonus firebox
thanks for your time
bless u all
someone mentioned using aggregate in the audio midi utility.

Funny you should say that. It used to work fine, then suddenly last night it stopped working in the line-in jack. It's crazy, I'm not sure what the deal is, still trying to figure out what happened.
Cheers,
Jose

Power went out and my Imac won't reboot

So I was working on my Imac i bought last year and the power went down a few times.
After the first time i rebooted it and it worked normally.
so then the power went out again and i waited with rebooting till the power problem was solved.
When i tried to turn it on again, It played the sound of starting up and it shows the white screen with the logo and the swirly rotating thingy
but then a gray loading bar comes and it takes about 15 minutes for the bar to be full.
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not working.
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Problems sending audio to and from STP and then back into FCP

I am having problems getting audio clips back into FCPro 5 after sending them to STP and editing them.
This is my process: "Send" mono file to STP as new audio project file.
Save it in the dialog that opens with "sent" at the end...then it opens in STP.
Edit it.
Save it and select include audio source files.
Switch back to FCPRo and I have a warning "Some Files Went offline", namely the one I just sent to Soundtrack. The clip is now apparently offline and white colored but now has the file name with "sent" included.
Where did I go wrong? This was working for me previously.
Dave Beaty all the latest SW versions ect...
imacs Dual G5's, G4's Other OS

Hi Blearyeyes,
I was just relaying what I've heard about the media going offline--I didn't claim that it made sense to me in these sorts of workflows where you know you are changing the media in STP, because you've just sent it to STP to be modified.
I've since dug through the FCP manuals, and it looks like it's the FCP rules about when a clip is considered to be offline that we're hitting--in the User Manual Part 2, on pages 79-80 there are some details about what causes the clip to go offline.
Here is one of the key statements from page 80--a clip is considered offline, "when a media file is modified, moved, or deleted, the modification date of the media file is changed, or the scratch disk becomes unavailable."

TS1574 no audio is working on imac and no audio device available to choose from

I am receiving no audio out of my IMac and no option to choosing the internal speakers device. Any thoughts would be appreciated. Originally thought is might have been a virus but down loaded software and no fix to solution.
Thanks,

Take each of the following steps that you haven't already tried.
1. Start with the steps recommended in this support article.
2. If your model has an audio-out (headphone) port, and a red light is coming from it, the internal switch is stuck in the position for digital output. You may be able to free it by inserting and removing a mini-stereo jack of the proper size. Inserting any kind of tool in the port may cause damage that won't be covered by your warranty.
If there's no red light, the switch may still be stuck in the headphone position. Try to free it the same way.
3. Boot in safe mode. You don't have to log in; just reboot as usual when the login screen appears.
4. Reset the NVRAM.
5. Reset the SMC.
6. Reinstall OS X after backing up all data.
7. Make a "Genius" appointment at an Apple Store.

Optical digital and analog audio out

I just purchased a Pavilion 500-214 with IDT High Def Audio CODEC / DTS Sound+
Is it possible to get both opitcal digital audio out and analog (speakers/headphones) out at same time? Stereo amp needs access to both for multizone/source function. I can manually pick one or the other before playback - it is clunky in that when switching audio out devices the active will turn off but one switching to does not always turn on. But i really need both simultaneously active for amp to work properly. I have also found rear speaker jack to be more stubborn during switching than front headphone jack.
This question was solved.
View Solution.

Hi zombi1,
Welcome to the HP Forums!
I have done some research on whether or not one can utilize both digital or analogue audio out at the same time, and unfortunately this is not possible.
Thank you for posting, and Happy Earth Day!
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

Question about Audio line-in/optical in/Audio out/optical out

I have a late 2009 27" iMac (v3.06 GHz Intel Core 2 Duo). I note that on Apple's description of the rear ports, what I thought were simply headphone (Audio Out) and microphone (Audio In) jacks are described as:
1. Headphone/optical digital [S/PDIF] audio out:
"Line/Headphone output
"The headphone output is automatically selected for audio output if no external S/PDIF optical digital output device is detected. The headphone output supports a stereo data stream at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. The headphone output volume can be adjusted from 0.0 dB to -64 dB..."
"The headphone output is automatically selected for audio output if no external S/PDIF optical digital output device is detected. The headphone output supports a stereo data stream at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. The headphone output volume can be adjusted from 0.0 dB to -64 dB."
and
2. Audio line-in/optical in:
"Line input
"The analog line input operates independently from all other audio input ports and is always available. The line input supports recording at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. Audio recorded from the line input is presented as a stereo data stream. You can adjust the line input gain from -16 dB to +30 dB..."
"The digital audio input has the following electrical characteristics (nominal specifications), based on input of a 1 kHz sine wave at 0 dBFS input level, 24-bit sample depth, and 44.1 kHz sample rate (unless otherwise specified below):
FSI – input sample rates: 44.1 kHz, 48 kHz, or 96 kHz
Bits per sample: 16, 20, or 24
Signal-to-noise ratio (SNR): >130 dB
Total harmonic distortion + noise (THD+N): <-130 dB (0.0003%)
Sound output/digital audio output port"
While, as an Olde School audiophile guy (62, and I still have vinyl!), I generally understand the gist of all this, I'm not at all hip to what S/PDIF optical digital output and/or digital audio input can do for me. So my questions are:
1. Can somebody please wise me up to the usage(s) of these optical inputs and outputs on the iMac?
2. The Apple description says,under "Line/Headphone output":
"PCM: 16, 20, or 24 bits per sample at sample rates of 44.1 kHz, 48 kHz, or 96 kHz
AC-3: 16 bits per sample at sample rates of 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, or 192 kHz"
and under "Line input
"The analog line input operates independently from all other audio input ports and is always available. The line input supports recording at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. Audio recorded from the line input is presented as a stereo data stream. You can adjust the line input gain from -16 dB to +30 dB."
How -- where -- do I adjust these bit depth and sample rates?
Thanks for your help!
Bart

Thanks for the info. Turns out there's an even easier way to do it than using the "Audio Midi Setup": through the prefs in the latest (and probably some previous) version of VLC, which is currently Version 1.0.2 Goldeneye (Intel 64bit).
Now if we could only get full native resolution (or at least 1080p) HDMI input into the Mini-DPs of our 2560 x 1440-capable 27" iMacs and actually have it display something WAY better than 720p (half the resolution of which the 27" iMac is capable) to which Apple limited it, without having to buy a third-party $270.00 HDMI-to Mini-DPP converter and scaler. Call me crazy, but it seems kinda silly to have to pay another $300 to buy a device that will scale the 27" iMac's resolution back up to a measly 1080p, let alone its native 2560 x 1440. But, as the
As a side note, can anyone tell me -- perhaps the elusive and chimerical, but omniscient and omnipotent "communityhosts" of Apple.com -- why, in my original post in this thread, the phrase "1. Headphone/optical digital S/PDIF audio out" had the acronym "S/PDIF" stricken through, like it was a particularly egregious Anglo-Saxonism? Wikipedia defines the acronym thus: "S/PDIF is a data link layer protocol and a set of physical layer specifications for carrying digital audio signals between devices and components over either optical or electrical cable. The name stands for Sony/Philips Digital Interconnect Format."
If I have inadvertently broken another arcane, abstruse, and/or inscrutable canon of the rules (http://discussions.apple.com/help.jspa) governing what may or not be asked or said on these avowedly "user-driven" discussions, allow me to beg for forgiveness beforehand, pleading ignorance, and ask that Apple's "community hosts" or administrators would expand upon and make very clear, in their "Apple Discussions Terms of Use," a comprehensive list of terms, subjects, lines of discussion, references to certain items, products, people, policies, etc. that are simply disallowed in the forum.
It is extremely depressing and frustrating to spend however long it takes -- and it takes ME a long time, as I have a 60-year-ingrained tendency towards verbosity -- to ask and post a question or message, only to have the message never even posted to the forum, but, without any sort of consultation with me so that I may learn from, and correct, my errors, uncaringly consigned to the illimitable void by hands to whom there is no appeal or orison.
It seems unfair.

Mini Display supports Audio out on HDMI?

Hi,
http://support.apple.com/kb/ts3065
This tells that mini display supports audio out for hdmi. Does this apply for MBA?
I can read english pretty well so for those who wants to tell me the article states Macbook (13inch mid 2010) is not MBA, the product description states that moshi mini display supports audio out and MBA.
Some genius bar folks please advise.

Hi,
a loong look at the product desrciption here http://store.apple.com/us/product/H1824ZM/A?mco=MTgxMzM1NzE shows some '*' at "audio support".
And the '*' then clearly states that *Audio support is only available for MacBook Pro 13/15/17-in. mid-2010 release; iMac 21.5/27-in. early-2010 release".
So video with it and a MBA => yes ; audio with it and MBA => no.
Regards
Stefan

Video but No audio when playing from ITunes. What could be wrong?

I'm trying to play video from iTunes on my Apple TV. I get the video but no audio. I am able to view from Netflix fine. What could be the problem?

Welcome to the Apple Community.
Try adjusting the audio out and dolby digital settings.

Distorted audio out of Black Magic Decklink

Using a PowerMac G5 with a Blackmagic Decklink card the playback audio/out from the timeline is distorted. During capture, audio/in is fine. All led levels read fine, even the audio/out playback from FCP and into a Panasonic DVC Pro 650 is fine. We've updated FCP to 5.1 and Decklink's drivers to 5.1.1. Even reformatted the G5, reinstalled the OS, with a fresh install of FCP Studio. And still the audio playback from the timeline is distorted. Thoughts?

You need to troubleshoot this one step by step. Start by capturing bars and tone from tape. Set the level, note the LEDs that are lit, capture, and then open that clip in the Viewer. Play and note the LEDs that are lit. Is it the same, or at least close to the level captured?
If so, then edit the clip into a new sequence and play. Same level or different?
If all that is consistent, then tell us what the signal path is from the G5 to your external audio monitors, so we can help you from that point.

HT4806 Mac mini digital audio out through the headphone jack

I'm misled by this sentence for audio out port from the support page: "For digital audio, you can use Apple iPhone headset with microphone".
http://support.apple.com/kb/ht5539
It is there for all mac minis starting from 2010 model.
Does it mean electrical digital signal? Any chance to get S/PDIF coaxial signal?

If an optical signal is OK, you just need one of these:
http://www.amazon.com/dp/B00016W6Y6
To convert the optical signal to a co-ax one will need a more complex/expensive convertor.

Audio out and from imac simultaneously?

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