This bitrate is generally considered "standard" or "mid-range" quality. It is widely used for podcasts, audiobooks, and spoken-word content where file size is more critical than high-fidelity sound.
If you need to generate or change a file to this specific bitrate, you can use several methods: How to Save a File in Audacity as an MP3 - Swell AI 128kbps mp3(2.77 MB)
MP3 is a lossy format, meaning it discards some audio data to reduce file size. At 128 kbps, the file is about 90% smaller than its uncompressed WAV counterpart. At 128 kbps, the file is about 90%
Because of their small footprint, 128 kbps files are ideal for fast web streaming and saving space on portable devices. Creating or Modifying 128 kbps Files This calculation is based on the standard storage
An MP3 file encoded at (kilobits per second) with a file size of 2.77 MB contains approximately 3 minutes and 1 second of audio.
This calculation is based on the standard storage requirement for this bitrate, which is roughly of stereo audio. Key Characteristics of 128 kbps MP3s