The internal sound engine has been replaced with QuickTime instruments. Anyone needing the simple sampler features of version 5.x should buy an inexpensive plug-in sampler or load the samples directly into Metro. The internal sampler was removed because OS X does not support the sound manager functions that enabled this feature. For versions prior to 18.104.22.168 only, channel 16 of the internal sound engine (QuickTime) maps to a metronome function that directly plays MBar.aif and MBeat.aif (bypassing QuickTime) both found in the Metro folder. These sounds are set up automatically by using the new factory settings button of the metronome dialog. For version 22.214.171.124 or higher, channel 16 is just another QuickTime Musical Instruments channel and the default Metronome sound is created using an included, sample accurate, plug-in.
The previous context-sensitive help system using QuickHelp has been replaced with browser type help. Currently this is online only, meaning one must be online to use it, however we do have available an off-line version of the Metro manual ready for download in our downloads page.
Run the installer and follow the directions.
For OS X, VST plug-ins must be carbonized (PPC only) or Mach-O and placed in the ‘OS X VST plug-ins’ folder in order to be found. This folder is inside the Metro folder and is really just an alias to /Library/Audio/Plug-Ins/VST/.
For Windows, VST plug-ins are supported.
More information on supported plug-ins can be found here.
Metro now uses online web browser based help. To use help either an internet connection or Metro version 6.3 is required. Metro 6.3 or greater supports local off-line web browser help.
Windows and OS X
- Metro (windows version 6.5.2 and greater and OS X version 6.2 or greater) supports propellerheads Rewire. In order for it to work correctly, all of the applications (mixer and devices) must be run in the same bit width, either 32 or 64. So if you are, for example, rewiring Reason and Metro they must both be run in either 32 or 64 bit mode. If the bit depth is wrong you will most likely get a 'Rewire Library Error' message. Metro on OS X is currently only 32 bit.
- An old version of Quicktime (7.4) has a bug in it which causes the Save function of Metro to produce a -54 error. A workaround was released in version 126.96.36.199 of Metro. More information can be found here.
- It may be necessary to restart the computer after first installing Metro 6.x under OS X.
- There is a known problem in the OS X version of Metro 6.0 regarding the Plug In Effects Processor which is accessed from the audio plug-ins submenu of the Edit Menu. Please visit the downloads page for a free upgrade to 6.0.1 or later.
- If the Audio Buffer Packet size setting is changed to greater than 1024 in the advanced audio dialog, AudioUnits plug-ins may fail to produce audio.
- The key command cmd-? invokes the online context-sensitive web help in most situations. While the content is mostly up on the web site, it is not completely updated.
- Notation and Lyrics windows (and printing) are implemented in the OS 9 version and in the OS X version starting with version 6.1.
- VST (OS 9 or earlier only), VST carbonized, VST OSX only (Mach-O), AudioUnits V1 for versions prior to 6.1 and AudioUnits V2 are all supported. For AudioUnit version 2, Music Devices, Effects and Music Effects are also supported. If a MusicEffect is used, the only logical place, prior to 188.8.131.52, to use it (because it needs both MIDI and Audio) was on an aux buss. To learn how to setup a music effect click here. It is possible to place a synthesizer plug-in (such as a VST instrument) on one track and send it MIDI from other tracks. This should be avoided and instead an aux buss should be used. A track should not be used because it may lead to confusion when performing an operation such as mute. Muting a VSTi track will mute all tracks assigned to that VSTi port.
- The connection to Bias's Deck software is only available in OS 9.
- Metro v7 does not run under OS 9. If you absolutely must run under OS 9 it is possible that an older version of Metro can be made available to you if you purchase the latest version. However, please contact support before your purchase.
- The Jukebox in versions of Metro before 6.3 will not play QuickTime 6 supported MP4 files or files written by Quicktime where the sample rate is greater than 64kHz. The OS X version of Metro will import, export and convert them to other audio formats. Version 6.3 or later will play these files under OS X.
- Some Color Schemes (setup menu) do not have fader vu’s and/or master fader vu’s.
- The movie text in the Movie Text window is not saved with the Metro document.
- Many VST and AudioUnit plug-ins leak memory. What this means is, when loading and unloading lots of plug-ins memory is lost. Re-starting the application will return the lost memory. If you are frequently loading a lot of plug-ins or files with embedded plug-ins it may be a good idea to restart the program occasionally.
- LX and SE version may require the user to save and reload a Metro document in order to free up some resources to load more soft-synths or other plug-ins. The reason is because old effects are loaded in the undo history and saving and loading with purge the undo buffers.
Other issues have been addressed. Please see the announcements section of the Metro Forum for more information on particular releases and pre-releases.
See Also: Metro Frequently Asked Questions.
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*System requirements subject to change without notice.