홈 > 제품정보 > C-MEDIA >

The CMI8788 is a high quality PCI 32-bit multi-channel audio processor that can be built in the home audio electronics or personal computer to provide high fidelity sound and become a professional audio processing center in your life. It supports up to 12 outgoing channels and 8 ingoing channels. The 12 outgoing channels are composed of 3 playback DMA¡¦s, which are multi-channel DMA (32 bits, 8 channels, 192k), S/PDIF DMA (32 bits, 2 channels, 192k), and front panel DMA (16 bits, 2 channels, 48k). The 8 ingoing channels are spread in 3 recording DMA¡¦s (32 bits, 192k), namely recording A, B, and C DMA¡¦s. The architecture of recording is a unique point of CMI8788 that makes the recording become the most flexible for the users. The details of the recording mode selection will be explained in the later sections.

The CMI8788 can co-work with all the popular codecs nowadays from I2S codecs with over 120dB quality to the usual AC97 codecs. This ability gives customers the flexibility to design their products. The I2S, AC-Link, 2-wire master bus, and SPI interfaces are used to transfer audio data and control data between the CMI8788 and codecs. To facilitate the connection with the existing home audio electronics, the CMI8788 has incorporated the S/PDIF transmitter and receiver with 192k sampling rate in it.