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 Kyma Forum
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 Kyma´s latency
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| Author | Topic: Kyma´s latency |
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Frank Kruse Member |
posted 13 September 2000 12:06
 
The delay time set in preferences, what does it mean. When set to 10ms it makes kyma play a sound 10ms after a key is pressed? I didn´t notice any difference in DSP usage when using a shorter time. How long does a sound module take anyway to render the sound. is there, like in a protools mixer, a latency you have to compensate with sample delays? frank. IP: Logged |
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SSC Administrator |
posted 13 September 2000 15:55
The latency settings in the Preferences refer to the delay between the audio in and the audio out. MIDI latency is typically about 1 ms less than the audio-through latency. The source of the latency is that there is a block of memory that serves as a "buffer" for samples coming in and going out of the Capybara. The buffer allows the Capybara to sometimes compute *ahead* of real time and sometimes get behind. By having some extra samples waiting in the buffers, you can keep a continuous stream of samples in and out. If you are using your Capybara to process a live audio signal (like a voice or an instrument), you should set the latency as low as possible so you won't be bothered by the delay in the processed signal. Otherwise, you can set it higher to give yourself more of a buffer. The entire signal flow diagram is evaluated on every sample tick, so adding more modules to a signal flow diagram does *not* increase the delay through the signal flow path. Some algorithms (for example, the DelayWithFeedback) have internal delays as part of the algorithm. In other words, they use more than one sample of the input in computing the output. IP: Logged |
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Frank Kruse Member |
posted 14 September 2000 02:15
So what is the disadvantage or advantage of changing the delay time? Might i get "drop outs" when i set it to the shortest time. I don´t have access to that buffer anyway, do I? Or does it affect the DSP usage? frank. IP: Logged |
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SSC Administrator |
posted 14 September 2000 09:23
Hi Frank, "So what is the disadvantage or advantage of changing the delay time?" The advantage is for live performances, you can minimize the delay of the processed sounds. The disadvantage is that you might not be able to play as many simultaneous disk tracks at the 3 ms setting as you could at the 10 ms setting. So if you are working in the studio and using lots of disk tracks, you should probably set the latency higher than if you are on stage playing your instrument through the Capybara like an effects processor. IP: Logged |
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