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by steve
Fri Nov 04, 2016 9:46 pm
Forum: Audio Processing
Topic: Schmitt trigger... Possible?
Replies: 22
Views: 2870

Re: Schmitt trigger... Possible?

These signals come from "computer tapes". They are analog, but I have to convert them to digital. Square waves with, just to say, +0,5/-0,5 peaks where "sin" waves have "peaks". More precisely, from +0.2 up i can set the "+0,5" peak, and from -0.2 down i can ...
by steve
Fri Nov 04, 2016 9:40 pm
Forum: Audio Processing
Topic: Schmitt trigger... Possible?
Replies: 22
Views: 2870

Re: Schmitt trigger... Possible?

Out of interest I wrote a little demo. This also uses the Nyquist Prompt effect http://manual.audacityteam.org/man/nyquist_prompt.html Firstly a "comparator". For this we will first generate 1 second 20 Hz sine tone, amplitude 0.8: (abs-env (mult 0.8 (hzosc 20))) sine.png The next bit of c...
by steve
Fri Nov 04, 2016 9:18 pm
Forum: Audio Processing
Topic: Schmitt trigger... Possible?
Replies: 22
Views: 2870

Re: Schmitt trigger... Possible?

That looks more like a comparator than a Schmitt trigger (https://en.wikipedia.org/wiki/Schmitt_trigger). I also notice that the upper waveform has a slower rise time than fall time. Is that important to the design? It would help if you described in detail what you are wanting to do. What's the job?...
by steve
Fri Nov 04, 2016 8:52 pm
Forum: Audio Processing
Topic: Schmitt trigger... Possible?
Replies: 22
Views: 2870

Re: Schmitt trigger... Possible?

Audacity does not do real-time processing.
If you're not wanting this for real-time use, then please describe in detail what you are wanting to do.
by steve
Fri Nov 04, 2016 2:58 pm
Forum: Audio Processing
Topic: plugin request for multi octave shifter to be created
Replies: 11
Views: 2268

Re: plugin request for multi octave shifter to be created

Could you ask a melodyne user to make such tutorial so that we Audacity people know what is needed. It's not a question of "knowing what is needed". I'm sure most of the Audacity developers understand what would be needed, but the development effort to do it is a massive undertaking, whic...
by steve
Fri Nov 04, 2016 2:09 pm
Forum: Feature Request Archive
Topic: save snapshots
Replies: 6
Views: 1324

Re: save snapshots

anahuj wrote:The current project (in aup file) is copied to a snapshot record "as is".
What about the data? Where are you saving that?
by steve
Fri Nov 04, 2016 11:37 am
Forum: Audiobook Production
Topic: Koz's Short Story
Replies: 9
Views: 1641

Re: Koz's Short Story

Obviously for a commercial release the recording would need some editing (removing / reducing some clicks, such as those just before you start talking). Overall I found the sound rather bass heavy (a combination of mic / mic position / recording environment / your voice). Using Equalization to lower...
by steve
Fri Nov 04, 2016 8:57 am
Forum: macOS
Topic: Problem w/ Skips in Recorded Tracks
Replies: 7
Views: 1024

Re: Problem w/ Skips in Recorded Tracks

I am using Audacity 2.0.5 That's ancient and should be updated. The current version is 2.1.2 and is available here: http://www.audacityteam.org/download/mac/ I do everything as I had done with the successful conversions. I open Audacity, put in the cassette, push the record button on Audacity and s...
by steve
Fri Nov 04, 2016 12:06 am
Forum: Windows
Topic: Tempo control
Replies: 2
Views: 269

Re: Tempo control

Sounds like you need the Sliding Time Scale / Pitch Shift effect: http://manual.audacityteam.org/man/slid ... shift.html
by steve
Wed Nov 02, 2016 12:17 pm
Forum: Windows
Topic: How to make Audacity record ONLY my mic and not my speakers?
Replies: 5
Views: 1162

Re: How to make Audacity record ONLY my mic and not my speak

Open "Help > Audio device info".
Wait for the info to appear, then click the "Save" button and save the info somewhere convenient.
Then attach the saved file to your reply (see: http://forum.audacityteam.org/viewtopic ... 49&t=64936)