Audacity Forum

... My question: Maybe there is another ''effect' which would help me to reduce that noise? Maybe try notch filter at the frequencies of the horizontal lines on the spectrogram ... ca95a12.png Using Audacity's frequency analysis will enable you to determine the frequencies to notch-out : they will ...

When I record jazz from the radio I get a scratchy sound which is like one of 2 stereo channels but much lower volume and definitely "scratchy". I have selectrd a section which I think contains the scratchy sounds, altho' i'n not entirely sure I have followed all the instructions correctl...

That YouTube [v=VxcbppCX6Rk], even when played at top 1080p "HD" quality , does not contain any audio above 16kHz ... I'm probably not getting something, but this is the spectrogram/frequenciy analysis that I'm getting (recording through either microphone or speakers): http://imgur.com/sm...

Jack101 wrote:I don't know how to attach a sample. Can you give me some advice?

"How to post an audio sample" , see ... http://forum.audacityteam.org/viewtopic ... 49&t=72887

The constant ~7kHz tone is on both channels , but the ~14kHz harmonic is only on the right channel . ... I can't see the 14 kHz line in any of my pictures on Imgur (that's the line with no arrow, right?). How did you produce that? The default spectrogram on Audacity only shows up-to 8000Hz , but yo...

... nyquist prompt, paste the code and click OK, right? Because that doesn't seem to change anything You may have omitted to tick the box in Nyquist Prompt , ( which I coloured yellow in by previous post ). ... that doesn't seem to change anything The whine isn't too bad on your original , so the e...

It is possible to insert images & text into a spectrogram ...
http://www.wired.com/2002/05/hey-whos-t ... n-my-song/
You'll need other software to do that, [metasynth ?].

... You can hear what I'm aiming for with the first 10 seconds (Specifically, from 0:03 to 0:10) of this YouTube video: https://www.youtube.com/watch?v=d5PLEPD_tOc That has stereo-reverb effect. Audacity's built-in reverb effect should be able to replicate that , click on "Manage" and tes...

... I've recorded a new sample for you, attached to this post. Whatever you've done it's reduced the reverberation a lot. Please let me know what do you think now and if you would enhance this recording anyhow ... There is a faint constant whine, which can be removed by putting the code below into ...

The songs (I've tried quite a few) I wish to edit are all coming from iTunes and, for the most part, are in mp4 format. You may have to install an additional component called FFmpeg into Audacity to play [and edit] that file format , here's how ... http://manual.audacityteam.org/man/faq_installatio...