Pulse-code modulation
Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, Compact Discs, digital telephony and other digital audio applications. In a PCM stream, the amplitude of the analog signal is sampled regularly at uniform intervals, and each sample is quantized to the nearest value within a range of digital steps.
Linear pulse-code modulation (LPCM) is a specific type of PCM where the quantization levels are linearly uniform. This is in contrast to PCM encodings where quantization levels vary as a function of amplitude (as with the A-law algorithm or the μ-law algorithm). Though PCM is a more general term, it is often used to describe data encoded as LPCM.
A PCM stream has two basic properties that determine the stream's fidelity to the original analog signal: the sampling rate, which is the number of times per second that samples are taken; and the bit depth, which determines the number of possible digital values that can be used to represent each sample.
PCM (disambiguation)
PCM or pulse-code modulation is a digital representation of an analog signal.
PCM may also refer to:
Computing
Technology
PCM30
The pulse code modulation (PCM) technology was patented and developed in France in 1938, but could not be used because suitable technology was not available until World War II. This came about with the arrival of digital systems in the 1960s, when improving the performance of communications networks became a real possibility. However, this technology was not completely adopted until the mid-1970s, due to the large amount of analog systems already in place and the high cost of digital systems, as semiconductors were very expensive. PCM’s initial goal was that of converting an analog voice telephone channel into a digital one based on the sampling theorem.
PCM30 describes an application of pulse-code modulation (PCM) in which 30 telephony analog signals are binary coded into a digital signal stream. The term is used today mostly as a synonym for the encoding of 30 channels each with a signalling rate of 64-kbit/s. This rate is also used in the first stage of European PDH technique, so PCM30 is also known as E1.
Podcasts:
PCM
ALBUMS
- Broader Than Broad Street released: 2003
- Prayers for Disintegration: A Tribute to The Cure released: 2001
- Round Squared: Weirdbag, Volume 1 released: 1999
- Gone Too Far released: 1999
- Future Noir: A Collection: Beats for a New Dark Age released: 1998
- Club Mix '99 released: 1998
- Minimalism: More or Less released: 1998
- Further East-Westercisms released: 1998
- Avantgardism, Volume 2 released: 1997
- Sonics Everywhere released: 1997
- beatmania GOTTAMIX 2 ~Going Global~ Original Soundtrack released:
- Economi$ed released:
Broader Than Broad Street
Released 2003- I Am Cool With a Capital C
- Satellite
- Whalebone Smack (Exclusive mix)
- Name Not Known
- Once You Know the Stench of Death It Never Truly Leaves You
- Gilded Urdu
- Ladyboy, Part 2 (radio edit)
- Gummy
- Big Skulk Bones of Lambchop Hate
- Too Tired to Worry
- Gutted
- You Cannot Fight
- A Hole in Twilight
- Theme
- Only Latitude Remains (Mouse Machine mix)
- Sidetracked
Club Mix '99
Released 1998- Walkin' on the Sun
- Coco Jamboo
- My Love Is the Shhh! (Red Eye mix edit)
- Found a Cure (Mood II Swing original radio mix)
- Love Is Alive
- Strictly Business
- Everybody Dance (radio mix)
- Legend of a Cowgirl (radio version)
- Where Do We Go? (Armand's Last Hustle in Paris mix) (radio edit)
- Cetch da Monkey
- My Heart Will Go On
- Get Ready to Bounce (radio attack)
- No Tengo Dinero
beatmania GOTTAMIX 2 ~Going Global~ Original Soundtrack
- 金魚
- ゲームの達人
- In Da Park
- Sunshine Dance (Latino Yokan-mix) (feat. Megu & Scotty D.)
- Going Global
- Showdown to Live (feat. 45)
- Marlie-Chang (K-Darta mix) (feat. Sasazuka Ittukenya)
- チャルメラソング
- サナ・モレッテ・ネ・エンテ (feat. Sana)
- ちり紙-Z
- fresh!!
- Stream
- North
- Bloom in the Air
- 荒野のおイモ屋さん
- Z.O.E (Gamelan Minimal mix)
- Centralization
- Infinite Prayer (feat. Goro)
- がんばれ日本茶
- サナ・モレッテ・ネ・エンテ (B.L.T. Style) (feat. Sana)
- Infinite Prayer (Floating Flock Style) (feat. Goro)
- ゲームの達人 (long version)
- Sunshine Dance (long version) (feat. Megu & Scotty D.)
- Marlie-Chang (remixed by The Kiyoshige)
- North (Original)
- 荒野のおイモ屋さん (original)
- Infinite Prayer (long mix) (feat. Goro)
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by Indigo Girls
-
by Atmosphere
-
by Jewel
-
by Goo Goo Dolls
-
by Paul Gilbert
-
by Spice Girls
-
by Emil Bulls
-
by Norwegian Recycling
-
by Hall Effect
-
by Alone At Last
-
by King
-
by Sitti
-
by Trepalium
-
by Mutiny Within
-
by Ekotren
Become You
by: Indigo GirlsI heard you sing a rebel song,
sung it loud and all alone.
We can't afford the things you save,
we can't afford the warranty.
I see you walking in the glare
down the county road we share.
Our southern blood, my heresy,
damn that ol' confederacy.
It took a long time to
become the thing I am to you.
And you won't tear it apart
without a fight, without a heart.
I'm sorry for what you have learned,
when you feel the tables turn.
To run so hard in your race,
now you find who set the pace.
The landed aristocracy
exploiting all your enmity.
All your daddies fought in vain,
leave you with the mark of Cain.
It took a long time to
become the thing I am to you.
And you won't tear it apart
without a fight, without a heart.
It took a long time to
become you, become you.
The center holds, so they say.
It never held too well for me.
I won't stop short for common ground
that vilifies the trodden down.
The center held the bonded slave
for the sake of industry.
The center held the bloody hand
of the executioner man.
It took a long time to
become the thing I am to you.
And you won't tear it apart
without a fight, without a heart.
It took a long time to
Latest News for: pcm
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05 Apr 2025
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Initial Statement of Beneficial Ownership (Form 3) (PCM Fund Inc)
MHT CET Admit Card News 2025 Live: Where, how to check PCM, PCB hall tickets ...
MHT CET 2025 Admit Cards For PCM, PCB Exams Soon; Steps To Download Hall Tickets
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