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I achieved a value of 150 with my integrated audio device, which is quite a low latency and very playable.
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Do this until you are able to find the lowest possible value where the game works smoothly without losing audio or crackling or other anomalies. Then go back to previous value and try lowering with 128, if that works lower by 64, then 32 etc. I'd start lowering by 256 until crackling starts. If this works that's great, you can now simply lower MaxOutputBufferSize until the the sound starts crackling in the game. Okay, so where do we start? Well, I'd start with setting the MaxOutputBufferSize at 1024 and LatencyBuffer at 1. Combine this with the default LatencyBuffer of 4 and you have a delay of 256 ms, which I find very high. From what I've read in the FAQ it seems it defaults most sound devices at a buffer size of 1024. MaxOutputBufferSize will by default be 0, which means that Rocksmith will automatically choose the buffer size. MaxOutputBufferSize is the buffer size and LatencyBuffer is the number of these buffers. Also, make sure that ExclusiveMode is set to 1 (has to be enabled for low latencies). The parameters you want to look at are MaxOutputBufferSize and LatencyBuffer. In my case, it was C:\Program Files (x86)\Steam\steamapps\common\Rocksmith. The file is found in the installation path of Rocksmith. To change the latency settings for Rocksmith, you'll have to modify a file called rocksmith.ini (open it with Notepad).
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The absolutely best result was with the ALC889, with it I achieved a latency of 9.4 ms. With the M-Audio it was a little better, I achieved 129 ms.
#Rocksmith 2014 no cable fix usb 2016 drivers#
It just seems that the WASAPI drivers on the Audigy suck big time, the lowest latency I could go with the Audigy was 192 ms, which is unacceptable. You'd think that the Audigy 2 would offer the best latency, but guess what, it's the worst. In my case, I had three different audio devices to choose from a PCI Sound Blaster Audigy 2 ZS, M-Audio FastTrack USB and an integrated ALC889 in my motherboard. If you have many sound cards like me, you have to test and choose the best one. Make sure you have latest drivers for your audio device(s). So, assuming this, to get total latency you just multiply the output latency with three 42.7 *3 = 128.1 milliseconds.Īs I said this is only how I believe it is calculated, if anyone wiser wishes to correct me, please go ahead. You'll also have to take in consideration input and processing latency. If you want to know the specifics of the math, check this website: Īs I mentioned earlier, this is the output latency. The result is output latency in milliseconds.įor example, say you have MaxOutputBufferSize set to 1024 and LatencyBuffer at 2.ĭivide by 48: 2048 / 48 = 42.7 milliseconds Multiply MaxOutputBufferSize by LatencyBuffer. If you follow these steps I guarantee you will achieve the lowest possible latency.įirst of all here's how I think is the way to calculate actual latency in milliseconds from the settings in the rocksmith.ini file: Okay, here's a guide I decided to make to get low latency in this game.