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2. Covox Speech Thing - Wikipedia

   en.wikipedia.org/wiki/Covox_Speech_Thing

   The Covox Speech Thing is an external digital-to-analog converter (DAC) that plugs into the parallel printer port of a PC.It converts 8-bit digital sound using a simple R-2R resistor ladder into an analog signal output.

3. USB-to-serial adapter - Wikipedia

   en.wikipedia.org/wiki/USB-to-serial_adapter

   A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232 , RS-485 , RS-422 , or TTL-level UART serial data.

4. PoweredUSB - Wikipedia

   en.wikipedia.org/wiki/PoweredUSB

   12 V and 24 V powered USB sockets, on an NCR cash register. PoweredUSB, also known as Retail USB, USB PlusPower, USB +Power, and USB Power Plus, [1] is an addition to the Universal Serial Bus standard that allows for higher-power devices to obtain power through their USB host instead of requiring an independent power supply or external AC adapter.

5. Dave Lawrence - Wikipedia

   en.wikipedia.org/wiki/Dave_Lawrence

   Along with a team, Lawrence wrote, produced and created the FUBAR film, playing Terry, a central character of the FUBAR franchise. Lawrence continues to play in the role of Terry today. The film was shot in and around Calgary, Alberta, and the entirety of the film dialogue was improvised, with only the outline of the scene predetermined. [3]

6. Sound card - Wikipedia

   en.wikipedia.org/wiki/Sound_card

   Close-up of a sound card PCB, showing electrolytic capacitors, SMT capacitors and resistors, and a YAC512 two-channel 16-bit DAC. [1] The integrated circuit on the left is a 3403 single power supply quad operational amplifier. Sound cards use a digital-to-analog converter (DAC), which converts recorded or generated digital signal data into an ...

7. USB-C - Wikipedia

   en.wikipedia.org/wiki/USB-C

   The sound quality is dependent on the headphones/adapter's DAC. Active adapters with a built-in DAC have near-universal support for devices that output digital and analog audio, adhering to the Audio Device Class 3.0 and Audio Adapter Accessory Mode specifications. Examples of such active adapters include external USB sound cards and DACs that ...

8. Digital-to-analog converter - Wikipedia

   en.wikipedia.org/wiki/Digital-to-analog_converter

   The R-2R ladder DAC which is a binary-weighted DAC that uses a repeating cascaded structure of resistor values R and 2R. This improves the precision due to the relative ease of producing equal valued-matched resistors. The successive approximation or cyclic DAC, [4] which successively constructs the output during each cycle. Individual bits of ...

9. Lightning (connector) - Wikipedia

   en.wikipedia.org/wiki/Lightning_(connector)

   Apple offers various adapters that allow the Lightning connector to be used with other interfaces, such as 30-pin, USB, HDMI, VGA, and SD cards. The Lightning to 30-pin adapter supports only a limited subset of the available 30-pin signals: USB data, USB charging, and analog audio output (via the DAC inside of the adapter [28]).