Echo Audio MiaMIDI Owner's Manual download pdf (Page 44)

WDM console – all products

Locking the sample rate

Locking the sample rate can be very important, since Windows will frequently try

to set the hardware to the highest rate it supports. Then, Windows sample rate

converts between that rate and the rate at which you are playing or recording. For

instance, you may be trying to play at 44.1 kHz, but Windows sets the hardware to

96 kHz and converts between the two. This is undesirable because you may be

trying to do a digital transfer at a specific rate. In addition, sample rate conversion

will reduce your audio quality and consume a great deal of CPU power. Locking

the sample rate forces Windows to only use the hardware at the locked rate. In

general, we recommend you set the sample rate first in your audio application.

Then, lock that same rate within the console. Locking the sample rate is not really

necessary for applications that do not use the legacy wave/MME interface (such as

SONAR, Cubase, etc.).

Synchronize wave devices

This is mainly for developers who are using tools like Visual Basic or Delphi and

want the inputs and outputs to be totally independent. Unless you have a good

reason to turn it off, you should leave this switch on. Also, if you are running

multiple applications on one card and you can’t get it to work, try un-checking this

box.

WDM console – all products

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Echo Audio MiaMIDI Owner's Manual Page 44