1. Different definitions:
1. Silence:
Refers to the elimination of specified sounds in audio and video through some audio processing means or tools and materials. Or the sound produced when an item is used, to get a silenced version of the music.
2. Accompaniment:
Refers to the instrumental music that accompanies singing.
2. Different purposes:
1. Silencing:
The purpose is to replace the audio with another one in the video or block the unnecessary audio.
2. Accompaniment:
In order to match the vocals, the song will be richer.
Extended information
The accompaniment is basically the same as the singing tune, and there can also be a variety of decorative sounds or high and low octave covers. The accompanist must also play purely instrumental parts such as fill-ins to connect the lyrics. Singing music usually refers to band accompaniment with the lead instrument as the main instrument. For vocal music, the part other than the vocal is called accompaniment. For pure music, there is no such thing as accompaniment.
The status of silence in radio programs is approximately equal to the status of mosaics in TV programs. The usual method of silencing is to use a "DI" sound (written as beep) to cover up certain discordant words (such as swear words and bad content). However, some radio programs also use special sound effects to silencing them. More artistic.
Baidu Encyclopedia - Silencing
Baidu Encyclopedia - Accompaniment