My audio spontaneously stopped working

Hey everyone,
I've been recently editing together a feature film and had several different timeline sequences for different scenes (one had scenes 1-9, another 10-14, etc.) I opted to combine two sequences as they were just about locked and copy/pasted one sequence and all it's contents into another. Worked just fine every other time I did it but for whatever reason, one particular set of scenes (scenes 19-22) spontaneously stopped working. All audio tracks unlinked, everything was silent, and whenI click on one, the track displays red. I attached a photo below for reference. I have another timeline that has all the raw clips synced, but the only sequence I had where everything was edited together is the one I discovered it didn't work. My DP encountered this on his own film but forgot how to solve it. Does anyone have any helpful tips or insight?

Any help please?

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Attachments:
why.png ‏785 KB

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za jul 21 19:20:24 CEST 2012: performing suspend
Initial commandline parameters:
za jul 21 19:22:06 CEST 2012: Running hooks for suspend.
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Linux mediacenter 3.4.6-1-ARCH #1 SMP PREEMPT Fri Jul 20 08:21:26 CEST 2012 x86_64 GNU/Linux
Module Size Used by
rfcomm 33627 0
bluetooth 190551 3 rfcomm
rfkill 15604 1 bluetooth
r8169 49386 0
acpi_cpufreq 5933 0
mperf 1267 1 acpi_cpufreq
snd_usb_audio 93519 2
snd_hwdep 6300 1 snd_usb_audio
snd_usbmidi_lib 18744 1 snd_usb_audio
snd_rawmidi 18479 1 snd_usbmidi_lib
snd_seq_device 5300 1 snd_rawmidi
snd_pcm 74958 2 snd_usb_audio
snd_page_alloc 7217 1 snd_pcm
snd_timer 18966 2 snd_pcm
mei 32152 0
snd 58997 9 snd_usb_audio,snd_hwdep,snd_timer,snd_pcm,snd_rawmidi,snd_usbmidi_lib,snd_seq_device
usb_storage 44760 0
uas 9285 0
i2c_i801 8180 0
microcode 12185 0
iTCO_wdt 12813 0
coretemp 5654 0
iTCO_vendor_support 1929 1 iTCO_wdt
crc32c_intel 1987 0
joydev 9991 0
soundcore 5410 1 snd
mii 4123 1 r8169
firewire_ohci 31677 0
firewire_core 51552 1 firewire_ohci
pcspkr 1899 0
serio_raw 4653 0
processor 26567 1 acpi_cpufreq
crc_itu_t 1363 1 firewire_core
evdev 9754 5
ext4 424175 3
crc16 1359 2 ext4,bluetooth
jbd2 73919 1 ext4
mbcache 5977 1 ext4
sr_mod 14823 0
sd_mod 29239 5
cdrom 35648 1 sr_mod
usbhid 36430 0
hid 85477 1 usbhid
ahci 20549 4
libahci 20023 1 ahci
uhci_hcd 23404 0
pata_jmicron 2480 0
pata_acpi 3408 0
ata_generic 3295 0
ehci_hcd 41026 0
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Running hook /usr/lib/pm-utils/sleep.d/00powersave suspend suspend:
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Running hook /usr/lib/pm-utils/sleep.d/01grub suspend suspend:
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Running hook /usr/lib/pm-utils/sleep.d/49bluetooth suspend suspend:
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Running hook /usr/lib/pm-utils/sleep.d/75modules suspend suspend:
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Running hook /usr/lib/pm-utils/sleep.d/95led suspend suspend:
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za jul 21 19:22:22 CEST 2012: Running hooks for resume
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Running hook /usr/lib/pm-utils/sleep.d/00logging resume suspend:
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Output of aplay -l
[user@mediacenter ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: DAC [USB Audio DAC], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
What I'm noticing is that after a suspend "Subdevices: 0/1" gets changed to "Subdevices: 1/1".
Any help is much appreciated!
Last edited by Quaith (2012-07-21 17:33:59)

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