PraiseVibe is a compound word made up of two terms:

Praise: Refers to worship and adoration given to God.
Vibe: Means atmosphere, feeling, emotion, or in music, "vibe" (vibration, resonance). In modern usage, it often refers to "good energy" or "emotion."
Therefore, PraiseVibe carries the meaning of
"the feeling of praise," "the atmosphere of praise," or "the good energy of praise."

In other words, it is a stylish and trendy channel name that implies music and messages praising God are delivered with a modern and sophisticated vibe!