Apple Logic Pro 7 User Manual

 About TDM

Note:  You can choose to bounce, rather than copy and convert your audio files from 24 
to 16 bit. The advantage of this approach is that the POW-r dithering algorithms can be 
used to improve the quality of the downsampled audio data.

All functions of the Sample Editor can be used on 24 bit audio files. You can even 
exchange sound material in either direction (between 16 and 24 bit files) when using 
DTDM, via the Copy and Paste commands.

Note:  Premiere plug-ins are not supported in Mac OS X. AudioSuite plug-ins are 
supported at 16 and 24 Bit depth, if using DAE.

Simultaneous Operation of TDM and Other Hardware

Please note the following if you wish to use a TDM system and other audio hardware 
simultaneously:

The easiest way to generate the desired Audio Mixers, would be to run the Logic Setup 
Assistant again. This is done by choosing Logic > Preferences > Start Logic Setup 
Assistant.

If you have set up your TDM hardware correctly, you can also generate a TDM Mixer in 
the Environment automatically. 

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Open a completely new song with standard defaults (a default song) by pressing 
Option-Command-N ( you can also choose the File > New menu option while holding 
Option).

Dependent on the connected hardware, this song will include Audio Objects that 
correspond to the currently active audio hardware, in the Audio layer of the 
Environment.

Note:  If DAE and DTDM, or DAE and Core Audio are activated, only TDM Audio Objects 
will be generated. 

To control playback in the Audio window or in the Sample Editor, select the desired 
hardware unit and channel, via Channel and Device (at the left side of the window).