Does anyone have success or experience with Syphon Recorder under Big Sur on Intel Macs?
Using VideoSync, I’m routing audio from Live 11 to Syphon Recorder via Loopback. Everything sounds fine while recording. However, in my recorded output, while video is fine, the audio is always garbled in a way that sounds like it’s playing at 10x speed followed by silence… which strike me as being related to sample rate, bit depth and/or clock. I get the same results even when removing my audio interface from the system and just using internal speaker.
Audio MIDI Setup shows Loopback at 48k 32-bit float, and my Focusrite Clarett interface at 48k 24-bit integer, but I find no control over bit depth. So I assume that CoreAudio, etc. manages differences in bit depth. The recorded file specs on my Syphon Recorder movies always show 16-bit little-endian signed integer 48k… even in tests at 44.1k! Bit depth aside, that’s just not right! And for bonus points, my recorded audio is still garbled if I set all components to 44.1.
I’m running the latest version of all components on a pretty fast Intel Mac (2018 Mac Mini 32GB RAM with Radeon RX Vega 64 8GB in eGPU cage).
I’ve tested enough combinations of software/hardware to believe that the issue is either a Syphon Recorder problem or a Big Sur audio problem (whether general or specific to my installation). My Big Sur is an upgrade from Catalina.
Syphon Recorder support and updates do not appear to be current… with no mention of Big Sur support. If someone can tell me they’re recording audio successfully with Syphon Recorder on Intel Mac running Big Sur, then it seems I can narrow it down to an anomaly with my particular OS installation and I can go further down that arcane rabbit hole.
I’m not attached to Syphon Recorder (especially if it is no longer a viable option!), so I’m also very open to alternatives for recording Live audio at the same time as VideoSync’s Syphon’d video output.
Thanks so much!