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Here's one - I like the light sensitive trigger - I have a Dracula in a Coffin that activates by this method. A separate switch kills all power.

Recordable Products

Voice-Express® recordable units use patented ChipCorder® technology to record the natural analogs of human speech without digital synthesis. These products employ:

• High quality dynamic speakers
• Non-volatile memory (so messages are retained without depleting shelf-life or playback capacity. Messages are also retained for posterity even if batteries are replaced)
• Premium Aletec microphones for optimum sound quality

These recordable products are designed with a PLAY trigger suited for your particular application. Available triggers include:

• Push-button units play when the user presses the "play" button
• Slide-switch units play automatically from the fold in a card or other printed matter is opened
• Light or motion sensitive units play when they are exposed to light or if the light source is momentarily blocked by a passing object

One-Time-Programmable (OTP)

Our OTP circuits are perfect for short-run custom audio chip programs or where time is of the essence. If your project requires a single custom message recorded on 500 or more playback modules, or even if your requirements call for higher order quantities, but you can't spare the 35-45 days required to create a Mask ROM then an OTP is the right choice.

Our OTP modules:

• Come in 10, 20 and 40 second models
• Use high quality dynamic speakers
• Are designed with a PLAY trigger suited for the application.

Available triggers include:

• Push-button units play when the user presses the "play" button
• Slide-switch units play automatically from the fold in a card or other printed matter is opened
• Light or motion sensitive units play when they are exposed to light or if the light source is momentarily blocked by a passing object

About OTP Modules:

• OTP modules typically ship 21 days from your receipt of an approval sample
• To receive an approval sample you will need to provide an audio file as a .WAV file attachment to an e-mail, recorded at 44.1 kHz, 16 bit, mono.
• OTP chips use EEPROM memory that may be programmed once with a single audio message.

Mask Audio ROM

Our Mask ROM circuits are perfect for programs where order quantities are higher than 5,000, for audio of 60-seconds or longer, or for shorter audio lengths where order quantities exceed 10,000 or 15,000 units. If your orders are for small quantities but you plan on re-ordering the same audio, a Mask ROM might be appropriate.

About Mask ROM chips:

• Are custom chips where your audio is screened (masked) onto the uppermost layer of silicon of an integrated circuit (IC).
• Have a one-time tooling (masking) charge
• Masking adds 35-45 days to the 21-day standard production lead-time. (If you do not have the luxury of time, you might consider an OTP.)
• The chip may be designed to play a simple melody and drive a simple buzzer (piezo) or play high fidelity music at sampling rates of 8mHz or higher.
• You are not limited to playing a single file from beginning to end. With a Mask ROM you can play multiple audio files with a single or multiple switches (triggers). Multiple files can be played randomly or in sequence and re-pressing the "play" button can be designed to stop or pause playback or used to scroll forward to the next file.
• Mask ROMs are available in nominal audio lengths from 3 to 255 seconds.

Available triggers include:

• Push-button units play when the user presses the "play" button.
• Slide-switch units play automatically from the fold in a card or other printed matter is opened.
• Light or motion sensitive units play when they are exposed to light or if the light source is momentarily blocked by a passing object.
• To receive an approval sample you will need to provide an audio file as a .wav file attachment to an e-mail, recorded at 44.1 kHz, 16 bit, mono.