phase invert?

chancellor · Post by **chancellor** » Tue Jan 31, 2006 10:03 pm

Does anyone know how to flip the phase of a track by 180 degrees? For the life of me... I cannot find this task in the manual.

Thx,
Ken

stephentayler · Post by **stephentayler** » Wed Feb 01, 2006 1:34 am

Manual page 783

all the best

Stephen

bhagert · Post by **bhagert** » Wed Feb 01, 2006 2:34 am

It's 785 in the 4.5 manual actually. Right column.

It drove me nuts too. It is not in the index.

stephentayler · Post by **stephentayler** » Wed Feb 01, 2006 3:10 am

interesting, my 4.5 user guide has the chapter 58 Sample Rate/Format Conversion starting on page 785..... is there more than one version of the manual?

Stephen

chrispick · Post by **chrispick** » Wed Feb 01, 2006 4:12 am

stephentayler wrote:interesting, my 4.5 user guide has the chapter 58 Sample Rate/Format Conversion starting on page 785..... is there more than one version of the manual?

Stephen

No, you're right. It's on page 783.

bhagert · Post by **bhagert** » Wed Feb 01, 2006 4:29 am

p. 787 Sample Rate/Format Conversion.

The page numbers don't match!!!!!!!!!!

It is not an offset of more than one but all the same. The manuals don't match. That is kind of odd!

stephentayler · Post by **stephentayler** » Wed Feb 01, 2006 4:43 am

Now we have a mystery on our hands!!!!

Let us see if there is any consistency....

Chapter 1 The Digital Performer Project.... page 7

Appendix B Troubleshooting and Support...... page 973

Stephen

Resonant Alien · Post by **Resonant Alien** » Wed Feb 01, 2006 5:06 am

chancellor wrote:Does anyone know how to flip the phase of a track by 180 degrees? For the life of me... I cannot find this task in the manual.

Thx,
Ken

Use the invert phase plugin.

stephentayler · Post by **stephentayler** » Wed Feb 01, 2006 5:18 am

WOW.... I never noticed that before!!!! When did that appear??

Thanks

Stephen

Resonant Alien · Post by **Resonant Alien** » Wed Feb 01, 2006 6:13 am

I think it showed up in 4.12.

Timeline · Post by **Timeline** » Wed Feb 01, 2006 7:00 am

Anyone know why this is a separate download rather than included with DP?

Just curious.

Reverse & Invert Phase Plug-in Updates for DP 4.12
Install contains update versions of the Reverse and Invert Phase v.1.01 plug-ins for DP 4.12.

Double-click to install. download now

Resonant Alien · Post by **Resonant Alien** » Wed Feb 01, 2006 12:18 pm

Timeline wrote:Anyone know why this is a separate download rather than included with DP?

Just curious.

Reverse & Invert Phase Plug-in Updates for DP 4.12
Install contains update versions of the Reverse and Invert Phase v.1.01 plug-ins for DP 4.12.

Double-click to install. download now

It was an addon to DP 4.12. It is included with DP4.5 and all subsequent versions of DP.

stickwolf · Post by **stickwolf** » Wed Feb 01, 2006 12:38 pm

I'll just keep mentioning this:

There is absolutely no way, ever to have a button that will time-offset complex, non-symetrical waveforms by exactly 180 degrees. The idea doesn't make sense.

What everyone is talking about (as well as MOTU and others have mislabeled) is POLARITY inversion. Polarity is negative or positiveness of a signal. And there is no such thing as degrees of polarity. Phase means TIMING offset and degree measurements can only be applied to totally regular waveforms.

jason.hegener · Post by **jason.hegener** » Wed Feb 01, 2006 4:58 pm

stickwolf wrote:I'll just keep mentioning this:

There is absolutely no way, ever to have a button that will time-offset complex, non-symetrical waveforms by exactly 180 degrees. The idea doesn't make sense.

What everyone is talking about (as well as MOTU and others have mislabeled) is POLARITY inversion. Polarity is negative or positiveness of a signal. And there is no such thing as degrees of polarity. Phase means TIMING offset and degree measurements can only be applied to totally regular waveforms.

Yes but every waveform, no matter how complex, is still composed of a bunch of regular sinusoids. And depending how some of those constituent waveforms "line up", you either have phase issues or don't. So, I don't think that using the term phase is completely off base.

chancellor · Post by **chancellor** » Wed Feb 01, 2006 4:59 pm

Thanks for all of the assistance! Like a few of you mentioned. The simple task of inverting the track was buried in a plug in. Not well documneted in the index of the book.
In an effort to mitigate future frustrations. I was thinking of ordering the MacAudio Lab Digital Performer DVD tutorial videos. Does anyone have any experience with them? Perhaps then I'll be able to share some knowledge.

Thx,
Ken

MOTUnation.com

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