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Walter Hunt's 'pixels'

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Uploaded
Dec 9, 2007 | 4:55 PM EST
File Info
Song
5.8 MB
6 min 14 sec
Score
3.91 / 5.00

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You may not use this work without making specific arrangements with the artist.

Score:
Rated 3.91 / 5 stars
Plays & Downloads:
732 Plays | 79 Downloads
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Genres:
Electronic - Video Game
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Author Comments

Update:
This was used in an excellent video game documentary!
http://www.youtube.com/wa tch?v=ZZLe4Nchv3c
Check it out. It was made by a Newgroundser!!
~~~~~~~~
YM2612, aka OPN2, is a six-channel sound synthesizer IC, or sound chip, produced by Yamaha. It belongs to a family of sound synthesizer chips produced by Yamaha that uses 'FM', or frequency modulation synthesis to generate sounds, and is somewhat similar to the YM3812 (OPL2) and YMF262 (OPL3) FM ICs that were used in the popular AdLib and Creative Labs Sound Blaster soundcards for the PC. It was notably used in the Sega Mega Drive/Sega Genesis game console.

The YM2612 has the following features:

* Six concurrent FM channels (voices)
* Four operators per channel
* Two interval timers
* A low frequency oscillator (LFO)
* Analogue stereo output (most other contemporary Yamaha FM chips require a separate external digital-to-analog converter chip)
* For channel three and six, operator frequencies can be set independently, making dissonant harmonics possible. (Normally, they would have a simple relation like e.g. 1.5x or 2x relative to a common base frequency.)
* Channel six can also be used to play sampled sounds (PCM) instead of FM-based sounds

Each channel may be assigned to either left, right or both (centre) of the stereo output.

The special sixth channel can act as a digital-to-analog converter (DAC) by means of the 'DAC Enable' register, this allows the chip to play 8-bit PCM sound samples. Enabling the DAC disables the FM for that channel. Data is written to the DAC via an 8-bit register. The YM2612 does not provide any timing or buffering of the PCM samples, so all frequency control and buffering must be done in software by the host processor.

The synth patches used by the YM2612 in Mega Drive/Genesis games are compatible with certain members of the Yamaha DX/TX synthesizers, such as the Yamaha DX100.

(stolen from http://en.wikipedia.org/w iki/Yamaha_YM2612)

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