Help! No output sound

Hi,
I'm in an emergent situation where my Macbook have no output sound. It's a Macbook, but the new lines all call them Pros. Here is what happens:
1. There is a Red Light inside the MIDI port, only in the one where the microphone sign is (the output one). I have never seen this red light before, but after a restart, it went out.
2. I checked System Preference and it says no output control device even though the laptop itself DOES have built in microphone. And the funny thing is, when I restart it, it gives me the 'boo' sound, but when the OS loads and the GUI shows, no sound.
3. I plug in an external microphone, the sound is there. But once, the external microphone is plugged out, the red light shows up again.
Please help,
Regards,
Angela
Message was edited by: Angela Zou

I did a quick AHT, but funnily, it reports no problem. However, the system shows a 'built in input microphone', but no 'built in output microphone'; it only shows 'built in output'. It's quite terrifying, it works just yesterday, and now, I can't even find it in the system.
I did check Audio MIDI setup application, but the IAC driver is labeled red. I mean, what is wrong with this?
Regards,
Angela

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Attachments:
OSA example.vi ‏42 KB

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Hi everyone,
Really appreciate anyone’s help on this sound distortion problem.
I have been using the new 2014 iMac 27' for last 8 Months, bought Brand New, and recently updated to Yosemite. Everything worked fine including recording, until this update.
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Info : FYI
Mac
OS X Yosemite: Version 10.10.2
iMac (27-inch, Late 2013)
Processor : 3.2 GHz Intel Core i5
Hard-drive : 1 TB SATA Disk
Ram: 8 GB 1600 MHz DDR3
Graphics: NVIDIA GeForce GT 755M 1024 MB
Built-in Output:
Default System Output Device:       Yes
Manufacturer:                                  Apple Inc.
Output Channels:                             2
Current SampleRate:                      48000
Transport:                                        Built-in
Yeti Stereo Microphone:
Default Input Device:                      Yes
Default Output Device:                    Yes
Input Channels:                               2
Manufacturer:                                 Blue Microphones
Output Channels:                            2
Current SampleRate:                      48000
Transport:

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Last edited by Archimaredes (2013-03-14 20:22:04)

I fixed it (for now, at least!)
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$ cat /proc/asound/cards
0 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804
USB Device 0x46d:0x804 at usb-0000:00:1a.0-1.2, high speed
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HDA Intel MID at 0xf9ff8000 irq 47
2 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xfbd7c000 irq 17
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options snd-hda-intel index=0
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0 [MID ]: HDA-Intel - HDA Intel MID
HDA Intel MID at 0xf9ff8000 irq 47
1 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xfbd7c000 irq 17
2 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804
USB Device 0x46d:0x804 at usb-0000:00:1a.0-1.2, high speed
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Last edited by Archimaredes (2013-03-14 20:23:49)

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Hi all!
First time posting here, hopefully i'm in the right section of the forum. Anyway, i'm a part time student and currently studying a module on Labview in university. As a mini project i decided to build a synth using Labview. I've it mostly built but i'm having a bit of trouble outputting sound to the soundcard. I'm also having a bit of trouble getting the waveforms to play for a longer time period.
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I'm guessing the datatype connected to my sound output configure vi could be causing a problem since it has a red dot on the input terminal. Any suggestions on how i should fix this?
I've my vi attached. Any help would be appreciated!
Cheers!
Edit: I've already fixed the error 4803 problem. Had to change the input to the sound output configure sub vi. Now i just have to figure out how to get the sound to play for longer. Any ideas anyone?
Solved!
Go to Solution.
Attachments:
LabVIEWSynth.vi ‏94 KB

OK. You have several problems.
The cluster order in your Format cluster is Rate, Bits, Channels while the order in the "sound format" cluster on Sound Output Configure.vi is sample rate (S/s), number of channels, bits per sample. LabVIEW connects clusters according to the cluster order. How to avoid this: Pop up on the sound format conpane terminal on the Sound Output Configure.vi icon on the block diagram and choose Create Control. That will put a control with the same names and cluster order on the front panel. You can edit the names if you wish as long as you do not change the cluster order. The alternate is to Unbundle the data from your cluster control and then bundle it to the input cluster. I show this in the modification of your VI attached.
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Not a problem but a different way of doing something: Use Scale by Power of 2 from the Numeric palette in place of the case structure connected to Octave. I show this in the modification of your VI attached.
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The modified VI works fine on my iMac.
Lynn
Attachments:
LabVIEWSynth.2.vi ‏89 KB

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Help on output Display

Help on output Display
Thanks in Advance
ID ROUTE STRT_NAME BEGIN_DESCRIPTION END_DESCRIPTION OVERLAP BEG_MP END_MP Hierarchy
100899 CR ELM AVE EXT FUERA BUSH RD ELM AVE 1551 0 0.46 3
100899 CR ELM AVE ELM AVE RT 910A 1551 0.46 0.95 3
100899 CR ELM AVE ELM AVE DELMAR BYPASS 1551 0.46 0.83 3
100290 NY32 ELM AVE EXT RT 910A FEURA BUSH RD ELM AVE 1551 16.85 17.31 1
100290 NY32 ELM AVE ELM AVE DELMAR BYPASS 1551 17.31 17.68 1
My output will be Based on Hierarchy Max valuewhich is "3"
ID = Hierarchy Max value 3 =(100899)
ROUTE = Hierarchy Min Value which is "NY32"
STRT NAME = Hierarchy Max value (3) and Min of Beg_MP of Hierarchy Max value(3) = ELM AVE EXT
Begin Description = Hierarchy Max value (3) and Min of Beg_MP (0) of Hierarchy Max value(3) = FUERA BUSH RD
End_description =Hierarchy Max value (3) and Max of Beg_MP (0.95) of Hierarchy Max value(3) = RT 910A
Beg_MP = Hierarchy Max value (3) and Min of Beg_MP (0) of Hierarchy Max value(3) =0
end_mp = Hierarchy Max value (3) and Max of Beg_MP (0.95) of Hierarchy Max value(3) = 0.95
ID ROUTE STRT_NAME BEGIN_DESCRIPTION END_DESCRIPTION BEG_MP END_MP
100899 NY32 ELM AVE EXT FUERA BUSH RD RT 910A 0 0.95

CREATE TABLE TABLE_query(ID NUMBER,ROUTE VARCHAR2(30),STR_NAME VARCHAR2(30), BEGIN_DESCRIPTION VARCHAR2(300),END_DESCRIPTION VARCHAR2(300),BEG_MP NUMBER,END_MP NUMBER,HIERARCHY NUMBER,overlap number);
INSERT INTO TABLE_query(ID ,ROUTE,STR_NAME, BEGIN_DESCRIPTION,END_DESCRIPTION,BEG_MP,END_MP ,HIERARCHY,overlap)
values(100899,'CR','ELM AVE EXT','FUERA BUSH RD','ELM AVE',0,0.46,3,1551);
INSERT INTO TABLE_query(ID ,ROUTE,STR_NAME, BEGIN_DESCRIPTION,END_DESCRIPTION,BEG_MP,END_MP ,HIERARCHY,overlap)
values(100899,'CR','ELM AVE','ELM AVE','DELMAR BYPASS',0.46,0.95,3,1551);
INSERT INTO TABLE_query(ID ,ROUTE,STR_NAME, BEGIN_DESCRIPTION,END_DESCRIPTION,BEG_MP,END_MP ,HIERARCHY,overlap)
values(100899,'CR','ELM AVE','ELM AVE','DELMAR BYPASS',0.46,0.83,3,1551);
INSERT INTO TABLE_query(ID ,ROUTE,STR_NAME, BEGIN_DESCRIPTION,END_DESCRIPTION,BEG_MP,END_MP ,HIERARCHY,overlap)
values(100290,'NY32','ELM AVE EXT','RT 910A FEURA BUSH RD','ELM AVE',16.85,17.31,1,1551);
INSERT INTO TABLE_query(ID ,ROUTE,STR_NAME, BEGIN_DESCRIPTION,END_DESCRIPTION,BEG_MP,END_MP ,HIERARCHY,overlap)
values(100290,'NY32','ELM AVE','ELM AVE','DELMAR BYPASS',17.31,17.68,1,1551);
ID     ROUTE     STR_NAME     BEGIN_DESCRIPTION     END_DESCRIPTION     BEG_MP     END_MP     HIERARCHY     OVERLAP
100899     CR     ELM AVE EXT     FUERA BUSH RD     ELM AVE     0     0.46     3     1551
100899     CR     ELM AVE     ELM AVE     DELMAR BYPASS     0.46     0.95     3     1551
100899     CR     ELM AVE     ELM AVE     DELMAR BYPASS     0.46     0.83     3     1551
100290     NY32     ELM AVE EXT     RT 910A FEURA BUSH RD     ELM AVE     16.85     17.31     1     1551
100290     NY32     ELM AVE     ELM AVE     DELMAR BYPASS     17.31     17.68     1     1551
My output will be Based on Hierarchy Max valuewhich is "3"
ID = Hierarchy Max value 3 =(100899)
ROUTE = Hierarchy Min Value which is "NY32"
STRT NAME = Hierarchy Max value (3) and Min of Beg_MP of Hierarchy Max value(3) = ELM AVE EXT
Begin Description = Hierarchy Max value (3) and Min of Beg_MP (0) of Hierarchy Max value(3) = FUERA BUSH RD
End_description =Hierarchy Max value (3) and Max of Beg_MP (0.95) of Hierarchy Max value(3) = DELMAR BYPASS
Beg_MP = Hierarchy Max value (3) and Min of Beg_MP (0) of Hierarchy Max value(3) =0
end_mp = Hierarchy Max value (3) and Max of Beg_MP (0.95) of Hierarchy Max value(3) = 0.95
ID     ROUTE     STRT_NAME     BEGIN_DESCRIPTION     END_DESCRIPTION     BEG_MP     END_MP
100899     NY32     ELM AVE EXT     FUERA BUSH RD     DELMAR BYPASS     0     0.95
I figured out how to get id,beg_mp and end_mp
Can anyone help me getting the rest of data coumns please
--route,str_name,begin_description,end_description,beg_mp,end_mp,hierarchy,
select distinct max(id) keep (dense_rank last order by hierarchy) over (partition by overlap) ,
min(beg_mp) keep (dense_rank last order by hierarchy) over (partition by overlap) beg_mp,
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