ESI Amber i1 User Manual - Page 9

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ESI

Amber i1

3.1 Latency and buffer settings

Via Config > Latency in the Control Panel it is possible to change the latency setting (also called

"buffer size") for the driver of Amber i1. A smaller latency is the result of a smaller buffer size and

value. Depending on the typical application (e.g. for playback of software synthesizers) a smaller

buffer with a smaller latency is an advantage. At the same time, the best latency setting indirectly

depends on the performance of your system and when the system load is high (for instance with more

active channels and plugins), it can be better to increase the latency. The latency buffer size is selected

in a value called samples and if you are curious about the actually latency time in milliseconds, many

recording applications display this value inside the settings dialog there. Please note that the latency

has to be setup before launching the audio application using Amber i1.

Via Config > USB Buffer, you can select the number of USB data transfer buffers used by the driver.

In many cases, these values do not need to be changed, however as they have a bit of an influence on

the audio latency and on stability, we allow you to fine tune this setting. In some applications where

real time processing and latency values or better performance at high system load are critical, you

can optimize the values here additionally. Which value is best on your system depends on a number

of factors such as what other USB devices are used at the same time and what USB controller is

installed inside your PC.

3.2 DirectWIRE Routing and virtual channels

Under Windows, Amber i1 has a feature called DirectWIRE Routing that allows fully digital internal

loopback recording of audio streams. This is a great feature to transfer audio signals between audio

applications, create mix downs or to provide content for online live streaming applications.

Note: DirectWIRE is a very powerful feature for special applications and professional usage. For

most standard recording applications with only one audio software and for pure audio playback, no

DirectWIRE settings are needed at all and you should not change those settings unless you know

what you want to achieve.

To open the related settings dialog, select the DirectWIRE > Routing entry via the top menu of the

control panel software and the following window appears:

This dialog allows you to virtually connect playback (output) channels and input channels with virtual

cables on the screen.