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There are a number of recording and playback alternatives that predate the CD. Among them are:
- Al-Jazari's "robot band," circa 1206 AD.
- the Phonautograph (Alexander Graham Bell constructed one from the ear bones of a human cadaver that etched sound vibrations on a glass tube encased in carbon). Phonautograph recordings were not made to be heard, but read. The first phonautograph recordings were actually heard for the first time in 2008
- Phonograph cylinder - Wax, tin, or lead cylinders/discs/cones
- Music roll - Mechanical recording (brass cylinders with raised pins, or paper scrolls with cutouts)
- Gramophone record - Shellac records (old 78's)
- Wire recording
- Electrical cut record
- Reel-to-Reel, Magnetic Tape
- Electrical transcriptions
- Vinyl Record
- Stereophonic Vinyl Record
- 4-Track (Stereo-Pak)
- Compact Cassette
- 8-Track (Stereo-8)
- Microcassette
- Minicassette
- Quadraphonic 8-Track (Quad-8) (Q8)
- Quadraphonic Vinyl Record (CD-4) (SQ Matrix)
- Betamax Digital Audio
- Elcaset
- Laserdisc
- DAT (Digital Audio Tape - uses the same frequency and bit rate as CD in a mag tape format).
- 24= track recording (studio recording)
What else can I help you with?
What stands for CD and DVD?
cd compact disc dvd Digital Video Disk
What did the Pilgrims sign before settling in Plymouth?
The Mayflower Compact was the Pilgrim agreement made before landing at Plymouth. The Mayflower Compact was signed aboard ship on November 11, 1620 and was the first governing document of Plymouth Colony.
Who invented DVD and when?
A DVD, or digital video disc, was invented in the early 1990s after the invention of the compact disc. Sony-Philips and Toshiba teamed up to create the DVD after they dealt with conflicting formats.
What document was signed by the Pilgrims as an agreement to form a government.?
The Mayflower Compact. (the name came from the name of the ship the Pilgrims had arrived. )
What was the pilgrim agreement (compact) before landing at Plymouth to pass and obey laws for the good of the colony?
Mayflower Compact.
What do the letters inCD-ROM stand for?
Compact Disc-Read Only Memory
The abbrevation of CD stands for?
Compact Disc
What is the abbreviation for a compact disc?
CD stands for compact disc.
How do you detect a blank defective compact disc before burning music to it?
You can detect a blank defective compact disc before burning music to it by visually inspecting the disc. If you notice scratches on the disc then it most likely won't burn music onto it. If you're using Window's Media Player to burn CD's then when you put the disc into the CD drive it will automatically detect the quality of the disc before burning.
What does CDS stand for?
If you are speaking in terms of MUSIC, it would be Compact Disc. The "C" stands for "Compact" and the "D" stands for "Disc".
What is the weight of a compact disc?
The weight of a compact disc is approx 1.6 Newtons.
Did IBM create the compact disc?
no IBM didn't invented compact disc
IS CD compact disc capitalized?
"CD" is capitalized because it is an abbreviation for "compact disc", but "compact disc" is a common noun so would not be capitalized.
What does CD mean in computer term?
In computer lingo, CD stands for Compact Disc.
What are the dimensions of a compact disc?
A standard compact disc is 120 millimeters in diameter (or approximately 4.72 inches).
How do cds work?
Compact discs (CD) are read from the inside out ... About an inch of the The inner radius of a compact discs is used for clamping and is used to identify the manufacturer ... These parts of the compact discs can not be copied with out side data and can not be damage with the exception of snapping the whole compact discs in half ... A compact disc that constants music has the inner band of data which is called the lead-in hold the table of contents for the compact disc ... The table of content lets the compact discs know how to navigate around the disc ... Music on a compact disc start just outside the lead-in ... The larger the music track the grater the width is on the compact disc ... A compact disc can hold upwards to 80 minutes of music ... You can tell where the music is on a compact disc by the barker shades on the compact disc ... when the compact disc is not full you can tell by the lightness on the compact disc ... To tell where the tracks are on a music compact disc there are very thin faint circles that separate the ... Unlike a vinyl record which is read by a needle which lies within the grooves a compact disc is read by a laser which allows it to be read with only the laser beam "touching" the data ... The laser beam enters the compact disc on the play side and travels through the compact discs clear plastic layer which picks up information from the data layer then bounces off the reflective coating on the back side of the data layer ... The reflected laser beam then travels back through the clear plastic layer out of the compact disc and into the compact disc player's detector ... The detector then helps the compact disc player convert the information carried by the laser into sound ...
Who made the first compact disc?
Inventor, James Russell made the first compact disc. He discovered this invention on the date of August, 17th, 1982. Another name for a compact disc is CD.
