ME-25 Driver Ver.1.0.0 for Mac OS X 10.4/10.5
Note
In no event shall Roland Corporation ("Roland") be liable to end-users for any damages whatsoever, including but not limited to financial damages for loss of business profits or business information arising from the use of, or inability to use this product. The foregoing provision is effective even if Roland has been advised of the possibility of such damages.
* | All files and other material contained in this folder are copyrighted by the Roland. Any alteration, modification, duplication, distribution, or reproduction of this material is prohibited. Additionally, Roland reserves the right to make changes to these programs and files without prior notice. |
* | Apple, Macintosh and Mac OS are trademarks of Apple Inc., registered in the U.S. and other countries. |
* | All product names mentioned in this document are trademarks or registered trademarks of their respective owners. |
This is a driver for using the ME-25 on Mac OS X 10.4/10.5.
- Compatible with Apple's standards of CoreAudio and CoreMIDI
- Universal Binary Driver (This driver can work on both Intel and PowerPC processors.)
- Single/Multi processor support
- Can customize driver buffer size and managing precise recording and playback latencies
This driver has the following requirements.
* | Please also check the System requirements for the audio/MIDI application and the operating system you're using. |
- Operating System
- Mac OS X v10.4 or later
* | This will not operate in the Classic environment of Mac OS X. When using this, the Classic environment must not be running simultaneously. |
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- Computer
- Apple Macintosh series computer with on-board USB
* | Macintosh computers running Microsoft Windows are not supported. |
- Never disconnect the plug from the INPUT jack while the ME-25 is in use. (The power must not be switched off.) Disconnecting the plug may cause faulty operation.
- Before you start up your sequencer or related software, use a USB cable to connect the ME-25 to your computer.
- Do not disconnect the USB cable of the ME-25 during playback or recording. Doing so may cause your software or operating system to shut down abnormally.
- You must first exit your sequencer or related software, and then disconnect the USB cable of the ME-25.
- You must disconnect the ME-25 from the computer before performing a software update for Mac OS X. If you performed the Mac OS X software update with the ME-25 left connected, you will need to re-install the driver.
* | If the "Authenticate" dialog box or the dialog that indicates "Installer requires that you type your password" appears during the installation, input the password and click [OK]. |
- Start computer with all USB cables disconnected.
(except the keyboard and mouse)
- Double-click "ME25USBDriver.pkg."
- In some cases, the display will indicate "This Installer package needs to run a program to determine if it can be installed. Do you want to continue?" or "This package contains a program that determines if the software can be installed. Are you sure you want to continue?"; click [Continue].
- The display will indicate "Welcome to the ME-25 Driver Installer"; click [Continue].
- If the display indicates "Select a Destination," click the drive on which the system is installed, then click [Continue].
- The display will indicate "Easy Install" or "Standard Install"; click [Install] or [Upgrade].
- The display will indicate "Installing this software requires you to restart..."; click [Continue Installation].
- The display will indicate "Click Restart to finish installing the software"; click [Restart]. Your computer will then restart.
* | It may take some time for restarting the computer. |
This completes installation of the ME-25 driver.
* | Insert the plug into the INPUT jack on the ME-25. (Switch on the power.) |
- Use a USB cable to connect the ME-25 with your computer.
- Open "System Preferences" and click [Sound].
- Select "ME-25 44.1kHz" for each of the following settings:
- "Play alerts and sound effects through" under the "Sound Effects" tab
- "Choose a device for sound output" under the "Output" tab
- "Choose a device for sound input" under the "Input" tab
- Use a USB cable to connect the ME-25 with your computer.
- In the Applications - Utilities folder, double-click "Audio MIDI Setup" to start it up.
- Click the "MIDI Devices" tab.
- In the "Audio MIDI Setup" dialog box, make sure that ME-25 is displayed.
* | If ME-25 is not shown, or is shown in gray, the ME-25 has not been recognized correctly. Try clicking "Rescan MIDI." Alternatively, disconnect the USB cable of the ME-25 and then reconnect it. |
* | If you installed a different version driver, it is possible that the previous settings are still present. If so, click the grayed ME-25 to select it, and then click "Remove Device" to delete the previous settings. |
- Click "Add Device." A "new external device" will appear.
- Specify the "Device Name" for the "new external device."
- Click the added "new external device" to select it, and then click "Show Info."
- Enter "ME-25" in the "Device Name" field.
- Using your mouse, drag the up/down arrows indicating the input/output port to make the following connections.
- The ▲/▼ of the "ME-25 to the ▲/▼ of the added "ME-25"
- Close the "Audio MIDI Setup" dialog box. This completes the settings.
- Use a USB cable to connect the ME-25 with your computer. Then, start up the software you will be using.
- Select "ME-25 44.1kHz" in the audio driver setting of your software.
- Select ME-25 in the MIDI driver setting of your software.
For details, refer to the manual that came with your software.
- Use a USB cable to connect the ME-25 with your computer.
- Open "System Preferences" and click "ME-25."
- The Driver Settings Panel is displayed.
- "Audio Buffer Size"
- This changes the Buffer Size for Audio Input/Output of the driver.
If sound dropouts or noise occur during playback or recording even after you've adjusted the Audio Buffer Size in your software, you can increase this "Audio Buffer Size" setting.
* | For some software, it may not be possible to adjust the buffer size. |
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- "Recording Margin"
- If the recorded audio data contains sound dropouts or noise even after you've adjusted the audio buffer size in your software and also adjusted the above "Audio Buffer Size," try increasing this "Recording Margin" setting.
* | For some software, it may not be possible to adjust the buffer size. |
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- "Recording Timing"
- If the timing of the recorded audio data is not correct, adjust this value.
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- Note)
If you click the [Apply] while your audio software is running, the setting changes won't be immediately reflected. Only after all audio software have been quit, and the software is then started once again will the settings become effective.
- Start computer with all USB cables disconnected.
(except the keyboard and mouse)
- Double-click "ME25_Uninstaller."
- The display will indicate "This uninstalls ME-25 driver from this Macintosh."; click [Uninstall].
* | If any other message appears, proceed as directed by that message. |
- The display will indicate "Are you sure to uninstall the driver?"; click [OK].
- The "Authenticate" dialog box or the dialog that indicates "ME25_Uninstaller.app requires that you type your password." will appear; enter the password and click [OK].
- The display will indicate "Uninstllation is completed."; click [Restart]. Your computer will then restart.
* | It may take some time for restarting the computer. |
- Did the computer enter a Sleep mode while the ME-25 was connected?
- If the computer entered a Sleep mode while the ME-25 was connected, it may not operate correctly. In this case, after resuming, exit all software that are using the ME-25, and disconnect the USB cable of the ME-25 and reconnect it.
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- Could you have entered Sleep mode during playback or recording?
- If you entered Sleep mode during playback or recording, it will no longer be possible to play back or record from the ME-25. Exit all currently playing or recording software, and disconnect/reconnect the USB cable of the ME-25.
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- Try adjusting the audio buffer size for the software you're using.
- First, try adjusting the audio buffer size for the software you're using.
If sound dropouts or noise still occur during playback or recording, try adjusting the "Audio Buffer Size" in the Driver Settings panel.
* | For some software, it may not be possible to adjust the buffer size. |
-
- Try setting "Processor Performance" to the "Highest" setting.
- Making the following settings may eliminate sound dropout.
* | Some Macintosh computers may not have the "Processor Performance" setting. |
- In "System Preferences," click "Energy Saver."
- Click "Options."
- In "Processor Performance," choose "Highest."
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- Could you have performed a Mac OS X software update while the device was still connected?
- If you performed the Mac OS X software update with the device left connected, drop-outs may occur in the sound. If this occurs, please re-install the driver.
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- Is the ME-25 connected to a USB hub?
- Try connecting the ME-25 directly to the USB connector of your computer itself.
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- If the recorded audio still contains sound dropouts or noise even after you've adjusted the audio buffer size as described in "Occasional disruptions in the sound or noises occur." (above), try increasing the "Recording Margin" in the Driver Settings panel.
* | For some software, it may not be possible to adjust the buffer size. |
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