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itunes/audio is fast and high pitched


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I've installed JaS 10.4.8 on a Dell Dimension 4300. Things work well but there are some bugs to work out. One of my first problems is iTunes plays audio too fast and high pitched. I've tried some sound fixes like AzaliaAudio fix, ALC883 and ALC888. But none of them make a difference. It's playing from the on-board sound. I have a PCI sound card in there too, but it's not recognized. Any one else have this problem? Is there a fix?

Specs:

Dell Dimension 4300

Intel Pentium 4 1.6GHz (SSE2)

Intel i845 chipset, 384 MB RAM

ATI Radeon 9200 SE 128MB

On-Board sound ICH2 AC'97

PCI sound ESS Technology ES1938/41/46 SOLO

D-Link DFE-530TX+ Fast Ethernet

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This problem maybe com from your FSB speed? Try to change it :

change com.apple.boot.plist

 

location: /Library/Preferences/SystemConfiguration/

 

how to:

 

in terminal

type sudo -s then password

 

nano /Library/Preferences/SystemConfiguration/com.apple.Boot.plist

 

before edit

<key>Kernel Flags</key>

<string></string>

 

after

<key>Kernel Flags</key>

<string>fsb=266</string>

 

ctrl o to save (answer yes)

 

then correect permissions

 

chown -R root:wheel /Library/Preferences/SystemConfiguration/com.apple.Boot.plist

chmod -R 755 /Library/Preferences/SystemConfiguration/com.apple.Boot.plist

 

diskutil repairPermissions /

reboot

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Thanks for the tip but sadly it didn't make a difference. I edit file but when i typed "chown -R root:wheel /Library/Preferences/SystemConfiguration/com.apple.Boot.plist" it returned "Operation not permitted"

"chmod -R 755 /Library/Preferences/SystemConfiguration/com.apple.Boot.plist" worked it seems. I looked under system profiler and it shows the fsb as 400 before and after the edit. any other ideas of what could control the audio's speed?

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I've tried to configure the bios but it's a {censored} dell and the only choices are normal and compatible. normal boots but audio plays fast, compatible doesn't get past grey apple logo. I tried editing com.apple.Boot.plist with kernal flag fsb=400 (and 100,266,533) but doesn't make any difference. The BIOS says the bus speed is 100. system profiler says it's 400.any way to get the fsb to work correctly?

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  • 1 month later...
I have the same problem as well. changing the fsb value doesnt do anything so far. My actual fsb is 100 but sys profiler insists its 400.

 

Thats because Intel FSB are quad pumped. So if your BIOS says 100 then it is considered 400. Just like Core 2 Duo with 1066 FSB are set to 266 in BIOS.

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Mine was set to 48000 originally so i set it to 41000 but the only difference is that 41000 is louder than 48000. Compatibilty mode on my cpu keeps it from booting up. Im trying rebooting with "fsb=100" then "fsb=400" again, but that didnt do anything before. Its frustrating beause everything else works perfect its just the sound thats screwy.

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no {censored}, i was looking for a real answer. Why dont you just tell everyone that has a problem to go get a real mac, then everything would work. The forums are for fixing things, so if you arent going to help me fix it just stay away. I was just hoping that maybe somebody would be kind enough to offer some insight to a noob like me but apparently thats too difficult.

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So out of the ~1000 or so members here nobody can give me any help other than "buy hardware that works"? This is the HARDWARE SECTION where people FIX HARDWARE PROBLEMS!

So much for the osx86 community. Theres pretty much the people that have stuff working and dont give a damn about everyone else and theres the group who dont know what theyare doing.

This was fun, but if nobody can answer a question or give any kind of advice at all the osx86 scene will die. So thanks for nothing.

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I guess I'd probably just annoy you by pointing out that there is no hardware problem to "fix." If you cannot get a driver work, tough {censored} man, that's homebrew. My instincts tell me a fix is on this forum, but then I found mine by searching.

 

There seems to be more than one pci or usb based solution that will run you less than $30, so get one of those and quit whining.

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Im not whining, im just frustarted at the fact that the answer i got was "buy new hardware." Of course buying new hardware would fix it, thats fairly obvious. I know my hardware can work because i read a thread where a guy said he got it working 100% on a gx240. He didnt give what version he installed or anything so i was going to pm him then i realised he only had 2 posts, both of which were in his 2 year old thread.

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ok, so i may be on to something now. After meticulously searching the output of "ioreg -l" i found this segment:

 

| | | +-o AppleAC97AudioEnginePCMOut <class AppleAC97AudioEnginePCMOut, registered, matched, active, busy 0, retain count 16>

| | | | | {

| | | | | "IOAudioEngineOutputSampleLatency" = 32

| | | | | "IOAudioEngineDescription" = "AC97 Audio (PCM)"

| | | | | "IOAudioEngineClockDomain" = 40051456

| | | | | "IOAudioEngineInputSampleLatency" = 32

| | | | | "IOAudioEngineGlobalUniqueID" = "AppleAC97AudioEnginePCMOut:0"

| | | | | "IOAudioEngineNumActiveUserClients" = 0

| | | | | "IOAudioEngineFlavor" = 1

| | | | | "IOAudioSampleRate" = {"IOAudioSampleRateWholeNumber"=48000,"IOAudioSampleRateFraction"=0}

| | | | | "IOAudioEngineNumSampleFramesPerBuffer" = 32768

| | | | | "IOAudioEngineSampleOffset" = 64

| | | | | "IOGeneralInterest" = "IOCommand is not serializable"

| | | | | "IOAudioEngineState" = 0

 

Not the bold section. I went to AudioMIDI in Utilities and changed the output to 44100hz and ran "ioreg -l" again to find that the "IOAudioSampleRateWholeNumber" was still 48000. I have no idea where one finds this and changes the "IOAudioSampleRateWholeNumber" but i shall keep looking. For anyone who gives a {censored}, here is the audio chunk of the output:

 

	| |   | +-o AppleAC97AudioIntelICH  <class AppleAC97AudioIntelICH, !registered, !matched, active, busy 0, retain count 8>
| |   |   | {
| |   |   |   "Power Management protected data" = "{ theNumberOfPowerStates = 3, version 1, power state 0 = { capabilityFlags 00000000, outputPowerCharacter 00000000, inputPowerRequirement 00000000, staticPo$
| |   |   |   "ICH Type" = 2
| |   |   |   "CFBundleIdentifier" = "com.apple.driver.AppleAC97AudioIntelICH"
| |   |   |   "IOClass" = "AppleAC97AudioIntelICH"
| |   |   |   "IOPCIPrimaryMatch" = "0x24458086 0x24358086"
| |   |   |   "IOProbeScore" = 10000
| |   |   |   "Power Management private data" = "{ this object = 01ebcf00, interested driver = 01ebcf00, driverDesire = 0, deviceDesire = 0, ourDesiredPowerState = 2, previousRequest = 2 }"
| |   |   |   "IOMatchCategory" = "IODefaultMatchCategory"
| |   |   |   "IOProviderClass" = "IOPCIDevice"
| |   |   |   "Hardware Name" = "Intel ICH2"
| |   |   | }
| |   |   | 
| |   |   +-o IOAC97CodecDevice@0  <class IOAC97CodecDevice, registered, matched, active, busy 0, retain count 6>
| |   |	 | {
| |   |	 |   "PNPVendorID" = "ADS60"
| |   |	 | }
| |   |	 | 
| |   |	 +-o AppleAC97CodecAD198x  <class AppleAC97CodecAD198x, registered, matched, active, busy 0, retain count 19>
| |   |	   | {
| |   |	   |   "IOMatchCategory" = "IODefaultMatchCategory"
| |   |	   |   "Hardware Name" = "ADS60"
| |   |	   |   "IOClass" = "AppleAC97CodecAD198x"
| |   |	   |   "PNPVendorID" = "ADS60 ADS75 ADS74 ADS73 ADS72"
| |   |	   |   "IOProviderClass" = "IOAC97CodecDevice"
| |   |	   |   "CFBundleIdentifier" = "com.apple.driver.AppleAC97CodecAD198x"
| |   |	   |   "IOProbeScore" = 10000
| |   |	   | }
| |   |	   | 
| |   |	   +-o AppleAC97AudioDriver  <class AppleAC97AudioDriver, registered, matched, active, busy 0, retain count 8>
| |   |		 | {
| |   |		 |   "Power Management protected data" = "{ theNumberOfPowerStates = 2, version 1, power state 0 = { capabilityFlags 00000000, outputPowerCharacter 00000000, inputPowerRequirement 00000000, st$
| |   |		 |   "IOAudioDeviceCanBeDefaults" = 7
| |   |		 |   "IOAudioDeviceModelID" = "AppleAC97AudioDriver:AC97 Built-in Audio"
| |   |		 |   "CFBundleIdentifier" = "com.apple.driver.AppleAC97Audio"
| |   |		 |   "IOClass" = "AppleAC97AudioDriver"
| |   |		 |   "IOAudioDeviceShortName" = "AC97Audio"
| |   |		 |   "IOProbeScore" = 0
| |   |		 |   "Power Management private data" = "{ this object = 02632500, interested driver = 02632500, driverDesire = 1, deviceDesire = 0, ourDesiredPowerState = 1, previousRequest = 2 }"
| |   |		 |   "IOMatchCategory" = "IODefaultMatchCategory"
| |   |		 |   "IOAudioDeviceManufacturerName" = "Intel ICH2 / ADS60"
| |   |		 |   "IOAudioDeviceTransportType" = 1651274862
| |   |		 |   "IOAudioDeviceName" = "AC97 Built-in Audio"
| |   |		 |   "IOProviderClass" = "IOAC97AudioCodec"
| |   |		 | }
| |   |		 | 
| |   |		 +-o AppleAC97AudioEnginePCMOut  <class AppleAC97AudioEnginePCMOut, registered, matched, active, busy 0, retain count 16>
| |   |		 | | {
| |   |		 | |   "IOAudioEngineOutputSampleLatency" = 32
| |   |		 | |   "IOAudioEngineDescription" = "AC97 Audio (PCM)"
| |   |		 | |   "IOAudioEngineClockDomain" = 40051456
| |   |		 | |   "IOAudioEngineInputSampleLatency" = 32
| |   |		 | |   "IOAudioEngineGlobalUniqueID" = "AppleAC97AudioEnginePCMOut:0"
| |   |		 | |   "IOAudioEngineNumActiveUserClients" = 0
| |   |		 | |   "IOAudioEngineFlavor" = 1
| |   |		 | |   "IOAudioSampleRate" = {"IOAudioSampleRateWholeNumber"=48000,"IOAudioSampleRateFraction"=0}
| |   |		 | |   "IOAudioEngineNumSampleFramesPerBuffer" = 32768
| |   |		 | |   "IOAudioEngineSampleOffset" = 64
| |   |		 | |   "IOGeneralInterest" = "IOCommand is not serializable"
| |   |		 | |   "IOAudioEngineState" = 0
| |   |		 | | }
| |   |		 | | 
| |   |		 | +-o IOAudioStream  <class IOAudioStream, registered, matched, active, busy 0, retain count 7>
| |   |		 | |   {
| |   |		 | |	 "IOAudioStreamStartingChannelNumber" = 1
| |   |		 | |	 "IOAudioStreamDirection" = 0
| |   |		 | |	 "IOAudioStreamID" = 0
| |   |		 | |	 "IOAudioStreamNumClients" = 0
| |   |		 | |	 "IOAudioStreamAvailableFormats" = ({"IOAudioStreamSampleFormat"=1819304813,"IOAudioStreamBitDepth"=16,"IOAudioStreamBitWidth"=16,"IOAudioStreamBytesPerPacket"=4,"IOAudioStreamNumChann$
| |   |		 | |	 "IOAudioStreamAvailable" = 1
| |   |		 | |	 "IOAudioStreamStartingChannelID" = 1
| |   |		 | |	 "IOAudioStreamFormat" = {"IOAudioStreamSampleFormat"=1819304813,"IOAudioStreamBitDepth"=16,"IOAudioStreamBitWidth"=16,"IOAudioStreamBytesPerPacket"=4,"IOAudioStreamNumChannels"=2,"IOA$
| |   |		 | |   }
| |   |		 | |   
| |   |		 | +-o IOAudioEngineUserClient  <class IOAudioEngineUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |   {
| |   |		 | |	 "IOAudioEngineUserClientActive" = 0
| |   |		 | |   }
| |   |		 | |   
| |   |		 | +-o IOAudioLevelControl  <class IOAudioLevelControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		 | | | {
| |   |		 | | |   "IOAudioControlChannelNumber" = 1
| |   |		 | | |   "IOAudioControlUsage" = 1869968496
| |   |		 | | |   "IOAudioControlSubType" = 1986817381
| |   |		 | | |   "IOAudioControlValue" = 47
| |   |		 | | |   "IOAudioControlChannelID" = 1
| |   |		 | | |   "IOAudioControlID" = 1633878016
| |   |		 | | |   "IOAudioLevelControlMaxValue" = 63
| |   |		 | | |   "IOAudioLevelControlMinDB" = 18446744073703424000
| |   |		 | | |   "IOAudioLevelControlMinValue" = 0
| |   |		 | | |   "IOAudioLevelControlMaxDB" = 0
| |   |		 | | |   "IOAudioControlType" = 1818588780
| |   |		 | | |   "IOAudioControlChannelName" = "Left"
| |   |		 | | | }
| |   |		 | | | 
| |   |		 | | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |	 {
| |   |		 | |	 }
| |   |		 | |	 
| |   |		 | +-o IOAudioToggleControl  <class IOAudioToggleControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		 | | | {
| |   |		 | | |   "IOAudioControlType" = 1953458028
| |   |		 | | |   "IOAudioControlID" = 1633878016
| |   |		 | | |   "IOAudioControlChannelName" = "Left"
| |   |		 | | |   "IOAudioControlValue" = 0
| |   |		 | | |   "IOAudioControlChannelNumber" = 1
| |   |		 | | |   "IOAudioControlSubType" = 1836414053
| |   |		 | | |   "IOAudioControlUsage" = 1869968496
| |   |		 | | |   "IOAudioControlChannelID" = 1
| |   |		 | | | }
| |   |		 | | | 
| |   |		 | | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |	 {
| |   |		 | |	 }
| |   |		 | |	 
| |   |		 | +-o IOAudioLevelControl  <class IOAudioLevelControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		 | | | {
| |   |		 | | |   "IOAudioControlChannelNumber" = 2
| |   |		 | | |   "IOAudioControlUsage" = 1869968496
| |   |		 | | |   "IOAudioControlSubType" = 1986817381
| |   |		 | | |   "IOAudioControlValue" = 47
| |   |		 | | |   "IOAudioControlChannelID" = 2
| |   |		 | | |   "IOAudioControlID" = 1633878017
| |   |		 | | |   "IOAudioLevelControlMaxValue" = 63
| |   |		 | | |   "IOAudioLevelControlMinDB" = 18446744073703424000
| |   |		 | | |   "IOAudioLevelControlMinValue" = 0
| |   |		 | | |   "IOAudioLevelControlMaxDB" = 0
| |   |		 | | |   "IOAudioControlType" = 1818588780
| |   |		 | | |   "IOAudioControlChannelName" = "Right"
| |   |		 | | | }
| |   |		 | | | 
| |   |		 | | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |	 {
| |   |		 | |	 }
| |   |		 | |	 
| |   |		 | +-o IOAudioToggleControl  <class IOAudioToggleControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		 | | | {
| |   |		 | | |   "IOAudioControlType" = 1953458028
| |   |		 | | |   "IOAudioControlID" = 1633878017
| |   |		 | | |   "IOAudioControlChannelName" = "Right"
| |   |		 | | |   "IOAudioControlValue" = 0
| |   |		 | | |   "IOAudioControlChannelNumber" = 2
| |   |		 | | |   "IOAudioControlSubType" = 1836414053
| |   |		 | | |   "IOAudioControlUsage" = 1869968496
| |   |		 | | |   "IOAudioControlChannelID" = 2
| |   |		 | | | }
| |   |		 | | | 
| |   |		 | | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |	 {
| |   |		 | |	 }
| |   |		 | |	 
| |   |		 | +-o IOAudioSelectorControl  <class IOAudioSelectorControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		 | | | {
| |   |		 | | |   "IOAudioSelectorControlAvailableSelections" = ({"IOAudioSelectorControlSelectionValue"=1818848869,"IOAudioSelectorControlSelectionDescriptionKey"="Line Out"})
| |   |		 | | |   "IOAudioControlType" = 1936483188
| |   |		 | | |   "IOAudioControlID" = 0
| |   |		 | | |   "IOAudioControlValue" = 1818848869
| |   |		 | | |   "IOAudioControlChannelNumber" = 0
| |   |		 | | |   "IOAudioControlSubType" = 1869968496
| |   |		 | | |   "IOAudioControlUsage" = 1869968496
| |   |		 | | |   "IOAudioControlChannelID" = 0
| |   |		 | | | }
| |   |		 | | | 
| |   |		 | | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |	 {
| |   |		 | |	 }
| |   |		 | |	 
| |   |		 | +-o IOAudioToggleControl  <class IOAudioToggleControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		 | | | {
| |   |		 | | |   "IOAudioControlType" = 1953458028
| |   |		 | | |   "IOAudioControlID" = 65535
| |   |		 | | |   "IOAudioControlChannelName" = "All Channels"
| |   |		 | | |   "IOAudioControlValue" = 0
| |   |		 | | |   "IOAudioControlChannelNumber" = 0
| |   |		 | | |   "IOAudioControlSubType" = 1836414053
| |   |		 | | |   "IOAudioControlUsage" = 1869968496
| |   |		 | | |   "IOAudioControlChannelID" = 0
| |   |		 | | | }
| |   |		 | | | 
| |   |		 | | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |	 {
| |   |		 | |	 }
| |   |		 | |	 
| |   |		 | +-o IOAudioEngineUserClient  <class IOAudioEngineUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 | |   {
| |   |		 | |   }
| |   |		 | |   
| |   |		 | +-o IOAudioEngineUserClient  <class IOAudioEngineUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		 |	 {
| |   |		 |	   "IOAudioEngineUserClientActive" = 0
| |   |		 |	 }
| |   |		 |	 
| |   |		 +-o AppleAC97AudioEnginePCMIn  <class AppleAC97AudioEnginePCMIn, registered, matched, active, busy 0, retain count 14>
| |   |		   | {
| |   |		   |   "IOAudioEngineOutputSampleLatency" = 32
| |   |		   |   "IOAudioEngineDescription" = "AC97 Audio (PCM)"
| |   |		   |   "IOAudioEngineClockDomain" = 40052992
| |   |		   |   "IOAudioEngineInputSampleLatency" = 32
| |   |		   |   "IOAudioEngineGlobalUniqueID" = "AppleAC97AudioEnginePCMIn:1"
| |   |		   |   "IOAudioEngineFlavor" = 1
| |   |		   |   "IOAudioSampleRate" = {"IOAudioSampleRateWholeNumber"=44100,"IOAudioSampleRateFraction"=0}
| |   |		   |   "IOAudioEngineNumSampleFramesPerBuffer" = 32768
| |   |		   |   "IOAudioEngineSampleOffset" = 64
| |   |		   |   "IOGeneralInterest" = "IOCommand is not serializable"
| |   |		   |   "IOAudioEngineState" = 0
| |   |		   | }
| |   |		   | 
| |   |		   +-o IOAudioStream  <class IOAudioStream, registered, matched, active, busy 0, retain count 7>
| |   |		   |   {
| |   |		   |	 "IOAudioStreamStartingChannelNumber" = 1
| |   |		   |	 "IOAudioStreamDirection" = 1
| |   |		   |	 "IOAudioStreamID" = 0
| |   |		   |	 "IOAudioStreamNumClients" = 0
| |   |		   |	 "IOAudioStreamAvailableFormats" = ({"IOAudioStreamSampleFormat"=1819304813,"IOAudioStreamBitDepth"=16,"IOAudioStreamBitWidth"=16,"IOAudioStreamBytesPerPacket"=4,"IOAudioStreamNumChann$
| |   |		   |	 "IOAudioStreamAvailable" = 1
| |   |		   |	 "IOAudioStreamStartingChannelID" = 1
| |   |		   |	 "IOAudioStreamFormat" = {"IOAudioStreamSampleFormat"=1819304813,"IOAudioStreamBitDepth"=16,"IOAudioStreamBitWidth"=16,"IOAudioStreamBytesPerPacket"=4,"IOAudioStreamNumChannels"=2,"IOA$
| |   |		   |   }
| |   |		   |   
| |   |		   +-o IOAudioLevelControl  <class IOAudioLevelControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		   | | {
| |   |		   | |   "IOAudioControlChannelNumber" = 1
| |   |		   | |   "IOAudioControlUsage" = 1768845428
| |   |		   | |   "IOAudioControlSubType" = 1986817381
| |   |		   | |   "IOAudioControlValue" = 11
| |   |		   | |   "IOAudioControlChannelID" = 1
| |   |		   | |   "IOAudioControlID" = 1633878018
| |   |		   | |   "IOAudioLevelControlMaxValue" = 15
| |   |		   | |   "IOAudioLevelControlMinDB" = 0
| |   |		   | |   "IOAudioLevelControlMinValue" = 0
| |   |		   | |   "IOAudioLevelControlMaxDB" = 1474560
| |   |		   | |   "IOAudioControlType" = 1818588780
| |   |		   | |   "IOAudioControlChannelName" = "Left"
| |   |		   | | }
| |   |		   | | 
| |   |		   | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		   |	 {
| |   |		   |	 }
| |   |		   |	 
| |   |		   +-o IOAudioLevelControl  <class IOAudioLevelControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		   | | {
| |   |		   | |   "IOAudioControlChannelNumber" = 2
| |   |		   | |   "IOAudioControlUsage" = 1768845428
| |   |		   | |   "IOAudioControlSubType" = 1986817381
| |   |		   | |   "IOAudioControlValue" = 11
| |   |		   | |   "IOAudioControlChannelID" = 2
| |   |		   | |   "IOAudioControlID" = 1633878017
| |   |		   | |   "IOAudioLevelControlMaxValue" = 15
| |   |		   | |   "IOAudioLevelControlMinDB" = 0
| |   |		   | |   "IOAudioLevelControlMinValue" = 0
| |   |		   | |   "IOAudioLevelControlMaxDB" = 1474560
| |   |		   | |   "IOAudioControlType" = 1818588780
| |   |		   | |   "IOAudioControlChannelName" = "Right"
| |   |		   | | }
| |   |		   | | 
| |   |		   | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		   |	 {
| |   |		   |	 }
| |   |		   |	 
| |   |		   +-o IOAudioToggleControl  <class IOAudioToggleControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		   | | {
| |   |		   | |   "IOAudioControlType" = 1953458028
| |   |		   | |   "IOAudioControlID" = 1633878016
| |   |		   | |   "IOAudioControlChannelName" = "All Channels"
| |   |		   | |   "IOAudioControlValue" = 1
| |   |		   | |   "IOAudioControlChannelNumber" = 0
| |   |		   | |   "IOAudioControlSubType" = 1836414053
| |   |		   | |   "IOAudioControlUsage" = 1768845428
| |   |		   | |   "IOAudioControlChannelID" = 0
| |   |		   | | }
| |   |		   | | 
| |   |		   | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		   |	 {
| |   |		   |	 }
| |   |		   |	 
| |   |		   +-o IOAudioSelectorControl  <class IOAudioSelectorControl, !registered, !matched, active, busy 0, retain count 7>
| |   |		   | | {
| |   |		   | |   "IOAudioControlChannelNumber" = 0
| |   |		   | |   "IOAudioSelectorControlAvailableSelections" = ({"IOAudioSelectorControlSelectionValue"=1633878020,"IOAudioSelectorControlSelectionDescriptionKey"="Line In"},{"IOAudioSelectorControlSe$
| |   |		   | |   "IOAudioControlUsage" = 1768845428
| |   |		   | |   "IOAudioControlSubType" = 1768845428
| |   |		   | |   "IOAudioControlValue" = 1633878016
| |   |		   | |   "IOAudioControlChannelID" = 0
| |   |		   | |   "IOAudioControlID" = 1633878016
| |   |		   | |   "IOAudioControlType" = 1936483188
| |   |		   | |   "IOAudioControlChannelName" = "All Channels"
| |   |		   | | }
| |   |		   | | 
| |   |		   | +-o IOAudioControlUserClient  <class IOAudioControlUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		   |	 {
| |   |		   |	 }
| |   |		   |	 
| |   |		   +-o IOAudioEngineUserClient  <class IOAudioEngineUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		   |   {
| |   |		   |   }
| |   |		   |   
| |   |		   +-o IOAudioEngineUserClient  <class IOAudioEngineUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |		   |   {
| |   |		   |   }
| |   |		   |   
| |   |		   +-o IOAudioEngineUserClient  <class IOAudioEngineUserClient, !registered, !matched, active, busy 0, retain count 6>
| |   |			   {
| |   |			   }

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