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Support

Contacting Channel D

As a guideline for your questions, please be sure to include a description of the computer you are using: Specific Mac model (for example, Mac G4 Quicksilver; Mac FireWire G3 Powerbook; G5 iMac; Intel iMac) Specific OS version (for example, OS X 10.4.8) Sound input hardware used: include manufacturer, model, driver version Any other details that you might think are important Please include your name and location (city, state / country). Sorry, but we may decline to respond to anonymous inquiries, or those from nonverifiable hotmail or other anonymous accounts. Your email and other contact information will be used only to respond to and provide answers to your questions, and not for sending unwanted spam or marketing messages, nor will they be disclosed to outside parties. If you provide a telephone number, depending on the nature of the inquiry, we may, at our option, choose to respond with "live" telephone support (and not a sales pitch). Please send general questions to: (softsales). Users: please send questions to (softsupport). Telephone support and business hours at (609) 393-3600 are 9 AM - 5 PM (Eastern U.S. time zone), Monday through Friday (except holidays). In the event that your call is bounced into our voice mail system, please be sure to leave a message with contact information. We will do our best to respond to inquiries within one business day. Finally, for all questions or inquiries, please check to be sure the answer isn't already available via our website, or in the product documentation.

Special Notice Regarding Mac OS X 10.5 ("Leopard") Compatibility of our Mac OS X Supported Products: Mac the Scope 4.27 / 4.28: COMPATIBLE Waavebox 1.73: COMPATIBLE, except for occasional problem with the visual display of the output waveform (delayed updates) AudioLeak 2.01: COMPATIBLE. Pure Vinyl Application Suite 2.02: COMPATIBLE

Specification and Measurement Documents

Mac the Scope / Waavebox: Macintosh Audio Subsystem Distortion and Noise Floor Index page linking to measurements made on a few Mac models, and some PC sound cards Mac the Scope Signal Chain Measurement Performance Screen shot from Mac the Scope showing single and two channel phase and amplitude flatness in spectrum analyzer mode 31-band Analog Style RTA module filter performance Waavebox noise generator measured with Mac the Scope Mac the Scope trace showing frequency response of Waavebox bandpass filtered white noise, and Mac the Scope RTA displays of Waavebox pink noise Multi-sine waveform generation Screen shot showing spectrum analysis of multi-harmonic sine wave generated by Waavebox Precision Swept Sine measurement mode Measurements made with Mac the Scope Avoiding Ground Loop "Hum" Document discussing a common source of audio hum, and a solution Noise Floor and Waveform Averaging Theoretical noise floor obtained with various Mac the Scope signal averaging and time base settings AudioLeak: Accuracy of AudioLeak Leq A-Weighting Pure Vinyl: Technical Information Correction Curve Specifications Sample Rate Converter Tests DeltaVideo: Monitoring from Multiple Video Sources on the Same Computer (138 kB) DeltaVideo "watching" two separate video sources connected to the same computer. Screen shot and information. Spider: Motion and Velocity Tracking (230 kB) Vector trace of spider building its web; screen shot showing image / movie stamping features; plot of velocity vs. time; 3-D plot of position vs. time; links to black and white and color QuickTime movies extracted from the DeltaVideo capture file. DeltaVideo Technical Questions

Mac the Scope tutorial / application note documentation

This information supplements the documentation supplied with Mac the Scope, which contains specific, detailed information about the features of Mac the Scope and Waavebox. A condensed version of the printed Mac the Scope User Reference Guide (supplied with the "boxed" version of the software) is provided in the QuikGuide document, which is included in the Mac the Scope demo / update download package, as are all current application notes. These documents also are accessible within Mac the Scope, using Mac the Scope's built-in help system. New or updated application notes not included with the software download will be posted here, when available. Mac the Scope FAQ - Troubleshooting

Mac the Scope and Intel-based Macintosh computers: Mac the Scope functions quite satisfactorily in the Rosetta emulation environment on Intel-based Macintosh computers. A Universal version of Mac the Scope is in development. As a matter of policy, we don't preannounce product release schedules. When the Universal version of Mac the Scope is ready to be released and has successfully run through QC testing, it will be released. All licensees of Mac the Scope who purchased a license on or after the date of Apple's announcement of Intel-based Macintosh computers will receive a free activation code for the first major release of the Universal version of Mac the Scope (or equivalent product). If you paid for an upgrade to Mac the Scope from a previous version (3.0, 4.0, etc.) during this period, you also will be included in this group.

TechRTA iTunes visualizer plugin and iTunes 7 The new iTunes 7.x update has introduced several significant problems in the display of the TechRTA visualizer and its Preferences panel; the 7.0.1 update will quit unexpectedly when the TechRTA visualizer is activated (this behavior has been corrected in iTunes 7.0.2). If you require the use of TechRTA, we suggest you wait to update iTunes until Apple releases an update that provides smoother playback. We will be testing iTunes updates as they are released and will post more information here when it becomes available. We are looking into the problem; however, if a future iTunes update fails to address the problem, the status of updating the plugin itself to account for the changes in iTunes 7.x will be determined at that time. We are sorry for any inconvenience that this may cause; bear in mind that the plugin has worked reliably with all iTunes versions going back to iTunes 1.0.

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