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MultitrackStudio by Bremmers Audio Design
audio/MIDI multitrack recording software for Windows/Mac and iPad
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News:
March 8, 2017
MultitrackStudio 8.3.1 released

July 1, 2016
MultitrackStudio for iPad 2.6 released








  Overview    Manual    Technical specs  
Manual : Windows Driversprev next

Windows Drivers

Note: this driver type is available for Windows only.

Windows drivers allow for low latency. Multichannel recording and playback is supported as well, provided the sound device driver supports this (Pro edition only). Windows XP doesn't support this driver type.

Select Devices window using Windows drivers
Select Devices window using Windows drivers (Pro edition, lower editions have only one MIDI In and two MIDI Out devices)

In the Audio In Device section you can select the audio device that will be used for recording.
In the Audio Out Device section you can select the audio device that will be used for playback.
It's a good idea to use Audio In and Out devices that are on the same sound device. If they're not their samplerates probably aren't equal. This can be quite a problem, as recorded tracks will slowly go out-of-sync during playback.

Audio devices are opened in exclusive mode in order to ensure low latency and good synchronization. This means other programs can't use these audio devices while MultitrackStudio is running.
In Windows 10 you can make the audio out device operate in shared mode using the Shared mode button. Shared mode allows other programs to playback audio while MultitrackStudio is running. Latency will a bit higher, depending on the audio driver. MultitrackStudio will automatically revert to exclusive mode if shared mode can't be used for whatever reason.

The Latency box determines the time it takes before you hear the sound when playing MIDI soft instruments live or when using Soft Monitoring ('live effects'). You'll hear glitches if this settings is too low. MultitrackStudio has been designed to not let these glitches end up in the actual recording: If, for example, you record the Guitar Amp effect live using a low latency and you hear glitches while recording, the glitches won't be in the track and it will sound fine when you play it back.

The Try "pull mode" button turns on "pull mode" (AKA "event mode"), which works better when CPU usage is high. You'd want to have this enabled, but unfortunately some drivers fail to implement this correctly. It also doesn't work on Windows Vista without SP1. Pull mode won't be used if MultitrackStudio can detect it doesn't work, even if it's enabled.

Your sound device may not support latencies as low as the one you've selected. The actual latency appears in the Studio menu's Devices window.

In the MIDI In Devices section you can select the device that is used for MIDI recording.

In the MIDI Out Devices section you can select the device that is used for MIDI playback. The 'Default' option uses the default Windows MIDI output device.

Audio Output Control

Audio Output Control using Windows driver
Audio Output Control using Windows driver
The Audio Output Control (available from the Studio menu) controls which outputs will be used. The listed outputs will be used from top to bottom. They can be reordered by dragging and dropping them.
The Level fader, which is only available if the sound device supports this, controls the playback level.
The Control Panel button pops up the audio page of the Windows Control Panel, where you can adjust detailed playback levels etc. if the sound device supports this.

Under the hood
Windows Vista introduced a new low-latency driver model called "Core Audio" or WASAPI. That's what MultitrackStudio uses. Sometimes the term WaveRT is used as well, although this actually refers to a technology used by drivers internally. Windows Vista also introduced MMCSS (Multimedia Class Scheduler Service), which helps prevent audio glitches under high CPU load.

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Last update: May 27, 2017