Echo Audio Mona Manuel du propriétaire télécharger pdf (Page 63)

Appendix D: DirectSound FAQ

Q: What is DirectSound?

DirectSound is an alternate method for a Windows application to access

audio hardware. Previous Echo card drivers (for Layla, Gina & Darla) only

supported wave (or multimedia) and ASIO. DirectSound typically provides

much lower latencies than wave mode.

While DirectSound was designed to be used by games, a number of

professional audio applications now take advantage of it.

Q: What are the limitations of DirectSound?

DirectSound can only use 8 or 16 bit samples. Also, our DirectSound driver

is only for output; that is, you cannot record via DirectSound.

Q: Do I need anything special to take advantage of

DirectSound?

You need to download the latest version of DirectX from

www.microsoft.com/directx

and install it. Older versions of DirectX will

probably work, but we have only tested with DirectX 6.1 and 7.

If you are using an application that uses multiple DirectSound outputs,

please refer to the section below on the DirectSound format lock.

Q: How do I enable DirectSound support?

It's enabled by default. If you want to turn it off, go to the property pages

for the card and select the DirectSound page. Clear the check box labeled

“Enable DirectSound.”

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Echo Audio Mona Manuel du propriétaire Page 63