The VS3130 V-Stamp is a feature-rich, self-contained voice/sound synthesizer and recorder

Among the VStamp’s many features are text-to-speech conversion, audio recording and playback, musical and sinusoidal tone generation, a telephone dialler and four-channel A/D converter. All features are accessed using a standard logic-level serial interface. For full details download the pdf datasheet (397kb) and that of the chipset (887kb) on which it is based.

• Based on RC Systems’ RC86L60-1 chipset

• Integrated text-to-speech processor:
  – High voice quality, unlimited vocabulary
  – Converts any ASCII text into speech automatically
  – Add/modify messages by simply editing a text file
  – On-the-fly control of speed, pitch, volume, etc.

• Four channel, 8-bit A/D converter

• Record, download, and play sound files:
  – Record directly to onboard recording memory
  – Download, upload, and erase recordings and sound files
  – Data logging mode
  – Recording times from 130 sec to 15 min available

• Tone generation:
  – Three voice musical
  – Dual sinusoidal
  – DTMF (Touch-Tone) dialler

• Flexible user exception dictionary:
  – Change the pronunciation of any input string based on
  spelling and context
  – Convert encrypted data into meaningful messages
  – Trigger tone generation, message playback, voice changes

• 8 KB input buffer for “print-and-forget” operation

• 1 W audio output power can directly drive an 8 ohm speaker

• Standard asynchronous serial interface

• Low power (typ @ 3.3V, excluding power amplifier):
  – 6 mA active
  – 600µA idle
  – 100nA standby

• Size 35 x 32mm (1.35 x 1.25")

Picture for illustrative purposes only