Wait, the user's instruction is to leave proper nouns untouched. The software name is "Cool Edit Pro Portable", which is a proper noun. The rest are common nouns. So the user wants to replace the rest. Let me check each word. For example, "audio" can be music? Wait, "audio" is the same as "sound". Maybe "sound", "music", "voice". But "music" is more specific. Maybe "sound", "voice", "noise"? Not sure. Need to find three synonyms.
"Reliable" could be safe?
"Podcaster" might be broadcaster. But those are similar. Maybe caster? cool edit pro portable
looking for → looking
"Are you an music fan, podcaster, or musician looking safe and multifunctional music altering tool that can transport with you mobile?" Wait, the user's instruction is to leave proper
"Musician" could be musician.
audio → music