Word clock GudangMovies21 Rebahinxxi LK21

      In digital audio electronics, a word clock or wordclock (sometimes sample clock, which can have a broader meaning) is a clock signal used to synchronise other devices, such as digital audio tape machines and compact disc players, which interconnect via digital audio signals. Word clock is so named because it clocks each audio sample. Samples are represented in data words.
      S/PDIF, AES/EBU, MADI, ADAT, and TDIF are some of the formats that use a word clock. Various audio over Ethernet systems use communication protocols to distribute word clock. The device which generates the word clock is the clock source for all the other audio devices.
      The signal is used for synchronizing digital audio signals between devices, such as CD players, audio I/O cards, etc. It allows all the components in the signal path to process the data and remain synchronized with each other.


      Comparison to timecode


      Word clock should not be confused with timecode; word clock is used entirely to keep a perfectly timed and constant bitrate to avoid timing errors that can cause data transmission errors. Timecode is metadata about the media data being transmitted. Time code can be used as an initial phase reference for jam sync using the word clock as the frequency reference.


      Over coax cable


      Professional digital audio equipment may have a word clock input or output to synchronize timing between multiple devices. Although the electrical characteristics of the word clock signal have not been completely standardized, some characteristics should always apply. Items that should remain consistent are TTL level, a 75ohm output impedance, 75ohm cables and a 75ohm terminating resistor at the end of a chain or cable.
      Proper termination of the word clock signal with a 75ohm resistor is important. It prevents the clock signal from reflecting back into the cable and causing false detection of extra 1's and 0's. Some digital equipment includes a switchable terminator, some include a hardwired terminator and others have no terminator at all. An unfortunate aspect is that some equipment manuals do not indicate whether a hardwired terminator is included.
      A chain connection from the source through the receivers may increase jitter. Using clock distributing devices for parallel transmission is a better method. The length and quality of coaxial cables are important.


      Over AES3


      The AES11 standard defines a means for carrying a word clock over an AES3 connection. In this context, the word clock is known as a Digital Audio Reference Signal (DARS).
      In annex B, the AES11 standard also describes common practice in transmitting and receiving a plain word clock signal. This is not an attempt to standardize it, the annex is informative only.


      See also


      Phase-locked loop


      References

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    Word Clock – Tekmanoid

    Word Clock – Tekmanoid

    Word Clock

    Word Clock

    Word Clock - ThinkCrate

    Word Clock - ThinkCrate

    Word Clock - ThinkCrate

    Word Clock - ThinkCrate

    Word Clock — Wikifab

    Word Clock — Wikifab

    Word Clock – elliotmade

    Word Clock – elliotmade

    Word Clock | Marmoset Electronics

    Word Clock | Marmoset Electronics

    Word Clock – OddGifts.com

    Word Clock – OddGifts.com

    Word Clock – OddGifts.com

    Word Clock – OddGifts.com

    Word Clock

    Word Clock

    Word Clock | Hackaday.io

    Word Clock | Hackaday.io

    Word Clock - Surreality Labs

    Word Clock - Surreality Labs

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    The World Clock — Worldwide - timeanddate.com

    World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

    Word Clock - Current time in words - timeanddate.com

    The Word Clock tells in simple words what the time is anywhere in the world.

    Word Clock - Alarm Clock with Words

    Word Alarm Clock - a fun & free Online Clock displaying the current time as written words, with a working alarm function. Get Wordy!

    QLOCKTWO EARTH word clock - most personal time display

    Our QLOCKTWO clocks display the 24 hours of a day on a word matrix. With its unique time display and extraordinary front covers, the EARTH creates a sense of connection between the timepieces and their observers.

    Word Clock - A.Tools

    The Word Clock is an online clock that displays the time in the word style. Instead of showing the time with numbers and symbols, the Word Clock shows the time with words. For example, instead of showing 12:15, the Word Clock shows “QUARTER PAST TWELVE”.

    Electronic Word Clock - Five Below

    Elevate your style with the Electronic Word Clock—time-telling just got smarter and sleeker! Shop novelty electronics now at fivebelow.com.

    Time Converter and World Clock - Conversion at a Glance - Pick …

    Effortless time conversion and world time. Schedule conference calls, webinars & online meetings, plan travel and track flight arrival time across time zones.

    Word Clock

    The word clock spell out the time every five minutes using a typographic indication with letters: so instead of “7:30,” the time on the “dial” quite literally reads “it is half past seven“.

    Grid Clock - A.Tools

    Grid Clock is a unique and minimalist online clock that displays the current time using words on a grid. Grid Clock is inspired by the concept of word clocks , which are clocks that use words instead of numbers or hands to show the time.

    Word Clock

    A word clock is a clock that tells time using words. This clock in particular uses fuzzy time (five past twelve, ten til one, etc.) so you can appear more eloquent, but not too precise. This app/extension only exists because it looks cool telling time.