So I looked into what was going on and workarounds to keep the session going smoothly, and I thought I would share the results of my investigations with you this month.
I was feeding the performer's headphones from an aux buss and hadn't noticed that in Low Latency mode, Pro Tools mutes the aux sends of any track in Record I didn't become aware of this until later on in the session, when another performer complained they couldn't hear themselves. The singer was having some tuning difficulties, so I put Pro Tools into Low Latency Monitoring mode - and hey presto, the vocalist could sing in tune again. I knew that there were some latency issues with LE systems, and sure enough, when we came to the first overdub there were problems. With the 002 and 002R, Pro Tools LE offers a special Low Latency Monitoring mode. With us flying out, taking my HD system was not a practical solution, but I have an 002R with a Focusrite Octopre in a 3U soft case, and together with some other bits and pieces loaded into my suitcase, I just got it within the 32kg single item limit. Often, these are used for broadcast production, and latency issues don't usually rear their ugly heads when using Pro Tools in this way, but recently I was asked by one of my clients to fly out to Northern Ireland to track and overdub some music tracks in a studio overlooking Carlingford Lough near Newry. However, I also do a lot of work on LE systems as these are what many of my clients have.
When working on music projects I normally use my main Pro Tools system, which is an HD2 Accel system with a 192 I/O interface. So what's the best way to deal with this problem if you have only an LE system? One of the best features of TDM-based Pro Tools systems is the negligible latency, or input-to-output delay, while recording.
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