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Yamaha声卡
Since 1887, when it began producing reed organs, the Yamaha Corporation in Japan (then Nippon Gakki Co., Ltd.) has grown to become the world's largest manufacturer of a full line of musical instruments, and a leading producer of audio/visual products, semiconductors and other computer related products, sporting goods, home appliances and furniture, specialty metals, machine tools, and industrial robots. | | | YMF289B (OPL3-L) 厂商产品 驱动程序 |
The YMF289B (OPL3-L) is a synthesizer chip developed specially for notebook PCs and PCMCIA (Type II) cards. The YMF289B is compatible with the YMF262, the de facto standard in the sound card industry. Special functions such as power down mode and 3.3V power supply are new features that distinguish this quality chip.
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| | | YMF715E (OPL3-SA3) 厂商产品 驱动程序 |
The YMF715E (OPL3-SA3) is a single audio chip that integrates the OPL3 chip with DAC, 16 bit sigma-delta CODEC, MPU401 MIDI interface, joystick port and a 3D enhanced controller. The LSI also includes all analog components which are suitable for multimedia applications. It is fully compliant with Plug and Play ISA 1.0a and supports necessary PC '97 features such as 16 bit address decoding as well as more IRQs and DMAs. Expandability options such as zoomed video, modem and CD-ROM interface are also support by the YMF715E. An additional power management feature handles power-conscious applications by allowing power down, power save, partial power down and suspend/resume modes.
| | | | | | | YMF721 (OPL4-ML2) 厂商产品 驱动程序 |
The YMF721 (OPL4-ML2) is a high quality yet low cost Wavetable synthesizer LSI. The YMF721 integrates an OPL3 (FM synthesizer), General MIDI processor and 1MB Wavetable sample ROM into one chip. The LSI complies with General MIDI (GM) system level 1 and is best suited for multimedia applications, sound cards, MIDI synthesis modules and other sound applications. The YMF721 can output stereophonic 16 bit digital signal (fs=44.1 kHz), allowing it to be connected directly to the YMF701B, 711 or 715 (OPL3-SA, SA2 or SA3) as well as the YAC516 (DAC16-L). With an operating voltage of 3.3V, this LSI can also be controlled by notebook PCs. The power management functions (power down and suspend/resume) further minimizes the power consumption of notebook PCs and desktop PCs.
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