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Home > Products > Audio Repeaters > QuikVoice Chips > VP1000A
VP1000A QuikVoice Sound Chip
* Voice grade audio record and/or playback
* Stand alone operation
* CVSD compression with variable sampling rates
* Use external EPROM or SRAM for sound storage
* Single sound segment
* Single channel output
* Low power consumption
* Available in LQFP48 and DIP40 packages
VP1000A is a single segment sound recording and playback chip. The chip
contains both a DAC and an ADC. It can be interfaced with external SRAM for recording designs, or external EPROM for playback only applications. Memory addressing is handled by the chip itself. No microprocessor control is
needed. Simple logic pulses are used to start/stop the recording/playback operation. A basic design can be constructed with the chip and a few more components.
VP1000A employs the Continuously Variable Slope Delta (CVSD)
compression technique with variable sampling rates from 24 to 128 Kbps. Samping clock can be generated internally with a simple R/C network, or an external clock can be used. Operated with a single 5V supply, VP1000A is a low
power device suitable for battery operated applications.
For EPROM based designs (playback only), VP880 QuikVoice Development System must be used for sound development. VP880 is a computer based sound digitization,
editing and management system. After the sound is developed, it is programmed into EPROM chips with a standard EPROM programmer. Eletech also provides sound development and programming service to customers who do not want to do
it themselves.
The chip is available in LQFP48 (VP1000AFL) and DIP40 (VP1000AP).
Applications
* Voice memo recorder
* Sound effects generator
* Gaming, vending and amusement equipment
* Industrial controls
* Security alarms