VST OneTrack Especificações descarregar pdf (Página 358)

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Using the DirectX driver

Cubase VST supports DirectX, or to be more precise, DirectX, which is a part of

the Microsoft DirectX Foundation package. This means that if your audio card

comes with a native DirectX driver, you can use this instead of the Windows Multi-

media system to play back audio. This has some beneﬁts (mainly lower latency

times and the ability to play back audio from several applications simultaneously)

but also some restrictions (mainly audio output only - no input). For details, see

page 379.

Simultaneous Recording and Playback - “Full Duplex”

On a regular multi track recorder you often perform something called overdubbing.

This is when you listen to one Track and at the same time record on another.

You can of course overdub in Cubase VST, but there are a few things you have to be

aware of.

For a PC audio card to allow simultaneous recording and playback, the card must

support something called “Full Duplex”. Some PC audio cards do not have this

ability. This means that as soon as you enter record mode, you will not hear your

previously recorded audio Tracks. This is not a limitation of Cubase VST, but of the

cards themselves.

If your card does have the ability to record and play back at the same time you

should activate this function in ASIO Multimedia Setup, see page 369.

It is of course a great beneﬁt to have this functionality, since it allows you to match

your current performance to the previous audio recordings, for example when add-

ing vocal harmonies, one by one.

Some cards, like the Roland RAP-10, have the ability to use one channel for play-

back and the other for recording, which means that you can record and play back

audio at the same time, but only if playback is limited to mono. Some cards can

play back and record audio at the same time, but with reduced audio quality of the

playback signal (usually 8 bit resolution instead of 16 bit). If this is the case with

your audio card (see its documentation), make sure to deactivate all audio inputs

when you want to listen to your recordings with full audio quality.

Multiple Cards

If you have multiple cards you can theoretically select one for input and another for

output. However, this is not recommended unless the cards are tied together with a

word clock sync signal. The sample rate clocks in any two cards will always drift

slightly against each other, which can cause glitches and dropouts in the audio.

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