Difference between revisions of "Yamaha YMW258-F"
From Sega Retro
(okay so it's NOT related to SegaPCM at all) |
|||
| Line 17: | Line 17: | ||
* [https://www.dtech.lv/techarticles_yamaha_chips.html Edward d-tech: Yamaha Chips] | * [https://www.dtech.lv/techarticles_yamaha_chips.html Edward d-tech: Yamaha Chips] | ||
<references /> | <references /> | ||
| + | |||
| + | [[Category:Integrated circuits]] | ||
Revision as of 13:07, 19 June 2023
The Yamaha YMW258-F is a sound chip introduced in 1991 by Yamaha for their first General MIDI-compliant synthesizer, the Yamaha TG100. It also appeared on a number of higher-end consumer keyboards and specialized professional devices. The YMW258-F implements the GEW8 sound synthesis technology, which is PCM sample-based synthesis under Yamaha's "Advanced Wave Modulation" (AWM) umbrella.
Sega used the chip in several arcade games on the Sega System Multi 32, Sega Model 1, and Sega Model 2 arcade boards. The chip as found on these boards is called MultiPCM, and has the Sega internal part number 315-5560.
Technical specifications
The MultiPCM has the following technical specifications.[1]
- Manufacturer: Yamaha
- Sega part number: 315-5560
- Yamaha part numbers: YMW258-F / GEW8 / YMFA1005
- Audio output: Stereo
- PCM audio channels: 28
- Audio bit depth: 16‑bit
- Sample rate: 44.1 kHz (CD quality)