I am running into the same issues. Audio playback on the Edit page is significantly out of sync but on the Color page there is no problem.
One second delay on Edit page:
https://photos.app.goo.gl/TftdED5RcuIZGuIz1In sync Audio and Video on Color page:
https://photos.app.goo.gl/5Btwwq05Ey1VoVxC3I am using Davinci 14.0.1.008. DNG and WAV are on a 10 TB Pegasus2 raid 5 connected with Thunderbolt 2. All grading is bypassed for this test. Here is some information from the logs:
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,014 | Detected model 'MacPro6,1'
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,014 | Detected OS 'macOS 10.12.6 (16G29)'
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,014 | Detected uptime 1895870s
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,014 | Single GPU machine = No
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,014 | GPU Name = 'AMD FirePro D700', Main display = 0
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,014 | GPU Name = 'AMD FirePro D700', Main display = 1
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,026 | 2 ATI GPUs (including display GPU) found. Using OPENCL for processing.
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,026 | Setting LsManager.3.NumGPUs = 2
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,026 | Setting LsManager.3.GPUMapping = 0 1
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,026 | Setting LsManager.3.GPUMappingEnable = 1
[...]
[0x7fff9948a3c0] | Main | INFO | 2017-11-07 18:59:16,104 | Decklink model name: 'UltraStudio Express', version: '10.4.2'
[...]
[0x7fff9948a3c0] | BtCommon | INFO | 2017-11-07 18:59:20,657 | Memory config: reserved=4000M pinned=3000M log=0
[...]
[0x7fff9948a3c0] | SyManager | INFO | 2017-11-07 18:59:20,762 | Lookaheads -> playback = 20, record = 20, stop = 3
Any ideas? Any other information that would be useful?