Command Line Render an Animation - Erroring "AL lib: (EE) UpdateDeviceParams: Failed"

Hey guys, long time listener, first time caller. Been lurking here a while, gonna start posting.

But I was doing an animation tonight and I decided I wanted to background render six Blender animations overnight using the command line.

I set up this command:

blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-001.blend" -x 1 -o "G:\CG\Insignia\Videos\001\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-002.blend" -x 1 -o "G:\CG\Insignia\Videos\002\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-003.blend" -x 1 -o "G:\CG\Insignia\Videos\003\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-004.blend" -x 1 -o "G:\CG\Insignia\Videos\004\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-005.blend" -x 1 -o "G:\CG\Insignia\Videos\005\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-006.blend" -x 1 -o "G:\CG\Insignia\Videos\006\" -F -s 45 -e 550 -a

It goes to the right files, the right folders, it has administration permissions on the command prompt.

My encoding is set up as H.264, RGB, MPEG-4.

It’s supposed to be rendering in 4k I set up.

Unfortunately, when I put ^ that in my command prompt having navigated to the folder with blender.exe in it, I get this:

C:\Program Files\Blender Foundation\Blender>blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-001.blend" -x 1 -o "G:\CG\Insignia\Videos\001\" -F -s 45 -e
 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-anim-002.blend" -
x 1 -o "G:\CG\Insignia\Videos\002\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blen
der\Tempest\Insignia\insignia-anim-003.blend" -x 1 -o "G:\CG\Insignia\Videos\003
\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insignia\insignia-ani
m-004.blend" -x 1 -o "G:\CG\Insignia\Videos\004\" -F -s 45 -e 550 -a && blender
-b "G:\CG\Blender\Tempest\Insignia\insignia-anim-005.blend" -x 1 -o "G:\CG\Insig
nia\Videos\005\" -F -s 45 -e 550 -a && blender -b "G:\CG\Blender\Tempest\Insigni
a\insignia-anim-006.blend" -x 1 -o "G:\CG\Insignia\Videos\006\" -F -s 45 -e 550
-a
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-001.blend


Blender quit
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-002.blend


Blender quit
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-003.blend


Blender quit
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-004.blend


Blender quit
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-005.blend


Blender quit
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-006.blend


Blender quit


C:\Program Files\Blender Foundation\Blender>blender -b "G:\CG\Blender\Tempest\In
signia\insignia-anim-001.blend" -x 1 -o "G:\CG\Insignia\Videos\001\" -F -s 45 -e
 550 -a
Read new prefs: C:\Users\sophieadm\AppData\Roaming\Blender Foundation\Blender\2.
77\config\userpref.blend
AL lib: (EE) UpdateDeviceParams: Failed to set 48000hz, got 44100hz instead
found bundled python: C:\Program Files\Blender Foundation\Blender\2.77\python
read blend: G:\CG\Blender\Tempest\Insignia\insignia-anim-001.blend


Blender quit

I did some googling but I couldn’t seem to find any answers. Help?