I am not sure if this problem has been solved but I have the same problem.
@ScottieA Please let me know what was the response from the Audirvana team.
For what it is worth here is the debug log from my side:
Audirvana Mac Version 1.6.4 (10604)
macOS 10.14.6 with 6144MB RAM
SIGNAL PROCESSING:
Polarity Inversion:
Globally: OFF
Per track: ON
Effects plugins NOT ACTIVE
UPSAMPLING:
SoX not in use
SoX filter parameters
Bandwidth at 0dB = 96.2988%
Filter max length = 29551
Anti-aliasing = 85
Phase = 0%
AUDIO VOLUME:
Max allowed volume: 100
Replay Gain: None
SW volume control: ON
LIBRARY SETTINGS:
Sync list: 1 folders
AUTO: /Users/user/Documents/Music
iTunes/Music library synchronization: last synchronized on Fri Sep 3 12:08:15 2021
Library database path: /Users/user/Library/Application Support/Audirvana/AudirvanaDatabase.sqlite
Remote Control server:
Listening on 127.0.0.1 on port 53796
ACTIVE STREAMING SERVICES
Qobuz: Connected as Qobuz Studio
=================== AUDIO DEVICE ========================
CoreAudio audio path, buffer I/O frame size: 512
Max. memory for audio buffers: 5120MB
Exclusive access: Enabled
Integer mode: Enabled
Preferred device:
LUCKIT LUCKIT USB 2.0 AUDIO OUT
Model UID:Luckit USB Audio 2.0:20A0:4143
UID:AppleUSBAudioEngine:Luckit :Luckit USB Audio 2.0:0330:1
Currently playing in Integer Mode:
Device: 2ch Non-mixable linear PCM Interleaved 24bits little endian Signed Integer, 8 bytes per frame 44.1kHz
Active Sample Rate: 44.1kHz
Hog Mode is on
Bridge settings:
Sample rate limitation: 48kHz
Sample rate switching latency: 3s
Limit bitdepth to 24bit: ON
Mute during sample rate change: ON
Selected device:
Local audio device
ID 0x27 Luckit USB 2.0 Audio Out
Manufacturer: Luckit
Model Name: Luckit USB 2.0 Audio Out
Model UID: Luckit USB Audio 2.0:20A0:4143
UID: AppleUSBAudioEngine:Luckit :Luckit USB Audio 2.0:0330:1
6 available sample rates up to 192000Hz
44100
48000
88200
96000
176400
192000
Audio buffer frame size : 14 to 4096 frames
Current I/O buffer frame size : 512
Volume Control
Physical: Yes
Virtual: Yes
MQA capability
Auto-detect MQA devices: No
Not a MQA device, user set to not MQA
DSD capability: DSD via PCM 1.0
Device audio channels
Preferred stereo channels L:2 R:1
Channel bitmap: Ox3, layout:
Channel 0 mapped to 0
Channel 1 mapped to 1
Audio channels in use
Number of channels: 2
Use as stereo device only: No
Simple stereo device: No
1 output streams:
Number of active channels: 2, in 1 stream(s)
Channel #0 :Stream 0 channel 1
Channel #1 :Stream 0 channel 0
Stream ID 0x28 2 channels starting at 1
12 virtual formats:
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 192kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 176.4kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 96kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 88.2kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 48kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 44.1kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
12 physical formats
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
Local devices found : 2
Device #0: ID 0x3d Built-in Output Manufacturer: Apple Inc. Model UID: AppleHDA:88 UID: AppleHDAEngineOutput:1B,0,1,2:0 Model Name: Apple Inc. Built-in Output
Device #1: ID 0x27 Luckit USB 2.0 Audio Out Manufacturer: Luckit Model UID: Luckit USB Audio 2.0:20A0:4143 UID: AppleUSBAudioEngine:Luckit :Luckit USB Audio 2.0:0330:1 Model Name: Luckit USB 2.0 Audio Out
UPnP devices found : 0