Audacity Forum

Here's some spectral output from the various recordings for a noisy period at 0.2-0.4 sec. The 16000 Hz mp3 conversion of the stereo file shows more spikes which could indicate the ringing. The mono file, suggested by Trebor, shows less structure and is listenable, at least for lecture notes. A sign...

Thanks to all for your help with Audacity. Trebor's guidance on converting to mono before converting solved the ringing problem and should allow us to get adequate sound quality for the lectures in a compact format. If Palmeroo isn't aware how to convert a stereo track into a mono one on Audacity "S...

We are recording voice educational lectures in wav with an H2 recorder and would like to compress them to place on a website. We notice a bad ringing at the 16000 Hz MP3 joint stereo setting compression in Audacity and there is still some ringing even at 40 kHz. The 40 kHz files are too large for em...