Concretely, i-cut i-stream-copyed apho i-codec ivumela khona kwaye i-sample-exact apho umthombo ungekho phantsi, ngoko ufumana indlela efanelekileyo ebiza kakhulu yefayile oyilayisheyo. You set the start and end points on the waveform or the timeline and keep what is between them.
No. Audio Isiqhoboshi is free without an account, and nothing is added to the audio. The upload and the result are deleted automatically about 24 hours after the job, which leaves time to download the result.