Auditory communication and Speech communication

Auditory communication noun - Communication that relies on hearing.

Speech communication and auditory communication are semantically related. In some cases you can replace phrase "Speech communication" with "Auditory communication", this phrases are similar.

Speech communication noun - (language) communication by word of mouth.

Auditory communication and speech communication are semantically related. You can use "Auditory communication" instead a noun phrase "Speech communication".