Voice recording/playback ICs/ Voice/speech ICs/ Audio control ICs

Voice playback can be edge or level hold activated for trigger mode,20-60 second time capacity. Voice IC with 3-24& 40-360 second mask IC body. Audio controller IC for echo and volume control processor.

Simple melody ICs/ Multi-tunes melody ICs/ Natural harmonic ICs

128-2048 notes with single tone, dual tone, 4 tones, and harmonic music melody. A lot of kinds of songs can be selected.

Doorbell ICs/ Wireless doorbell ICs

Ding-Dong, Ding-Ding, bird sound, and West minister bell sounds doorbell, Remote control with 2 sounds, Ding-Dong sound with dual tone.