Audio Systems

Audio record/playback

uMP3 Playback Module

Plays MP3, PCM WAV. Pitch control, tones without files, serial interface, MMC and SD cards, "switch mode" as well, $99

QV502 MP3-based stereo sound module

Uses memory card & RS-232 control, $150

MOD-MP3 Board

VS1002 MPEG playout solution, SD/MMC card storage, interface with UEXT connector? $39.95

Sakura MP3 Player

VS1011 based, PIC microcontrolled, with single-port controls, uses MMC cards, full kit $72

Speech Chips

SpeechChips Has several phoneme and text to speech systems

Emic Text-to-Speech SIP Module

Text-to-speech with serial TTL interface, $59.95