![frequency spectrum - How to know if a audio file is real lossless using its spectrogram? - Signal Processing Stack Exchange frequency spectrum - How to know if a audio file is real lossless using its spectrogram? - Signal Processing Stack Exchange](https://i.stack.imgur.com/pXIap.png)
frequency spectrum - How to know if a audio file is real lossless using its spectrogram? - Signal Processing Stack Exchange
Roger Thauer on Twitter: "@SWRadiogram cmd line for a *.bat to create a spectrogram (SWRG#184) with FFMPEG: set MyFiles=*.flac *.wav *.aif *.mp4 *. mp3 *.mp2 *.aac *.ogg for %%a in (%MyFiles%) do ffmpeg -
![Acoustics | Free Full-Text | Effectiveness of MP3 Coding Depends on the Music Genre: Evaluation Using Semantic Differential Scales Acoustics | Free Full-Text | Effectiveness of MP3 Coding Depends on the Music Genre: Evaluation Using Semantic Differential Scales](https://www.mdpi.com/acoustics/acoustics-04-00042/article_deploy/html/images/acoustics-04-00042-g001.png)
Acoustics | Free Full-Text | Effectiveness of MP3 Coding Depends on the Music Genre: Evaluation Using Semantic Differential Scales
![encoding - Finding out if a FLAC or WAVPACK audio file is NOT originally encoded from a lossy source - Super User encoding - Finding out if a FLAC or WAVPACK audio file is NOT originally encoded from a lossy source - Super User](https://i.stack.imgur.com/NDxhH.png)
encoding - Finding out if a FLAC or WAVPACK audio file is NOT originally encoded from a lossy source - Super User
![can someone explain to me why a song that is in mp3 format hits at 22 in spectrogram and spek? : r/audiophile can someone explain to me why a song that is in mp3 format hits at 22 in spectrogram and spek? : r/audiophile](https://preview.redd.it/87igidinrfk81.png?width=1920&format=png&auto=webp&s=cf7b03ca3730735b317a11d27e86cec36438916b)