You can convert a video to an MP3 file using Adobe Media Encoder, which can help save you storage space on your device.
You can make your audio louder in Audacity's editing software by utilizing the Amplify and Normalize effects.
Suppose you really want to listen to lossless audio at all times. In that case, a workaround for conserving streaming data is to connect to a Wi-Fi network and then download your favorite playlists ...