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title: Audio Sample Rate Conversion Core Modules
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    -toc
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# Audio Sample Rate Conversion Core Modules


!!! info "Product List"
    <div class="sticky-column" markdown>

    | **Product (Function:material-arrow-down:)(Model:material-arrow-right:)** | [XMSRC4392_VC1](./xmsrc4392_vc1.md) | [XMSRC4194_VC1](./xmsrc4194_vc1.md) |
    |---------------------|---------------------|---------------------|
    | **SRC Channels** | 4-channel | 4-channel |
    | **SRC Architecture** | Dual SRC modules (SRC_A + SRC_B)<br>Each module processes 2 audio channels | Dual SRC modules (SRC_A + SRC_B)<br>Each module processes 2 audio channels |
    | **SSRC Sample Rate Conversion** | 44.1KHz-768KHz/16-32bit | 44.1KHz-768KHz/16-32bit |
    | **ASRC Sample Rate Conversion** | 44.1KHz-192KHz/16-32bit | 44.1KHz-192KHz/16-32bit |
    | **Audio Processing Channels** | 4-channel | 4-channel |
    | **S/PDIF Interface** | Input: 4-to-1 S/PDIF interface<br>Output: 2 S/PDIF interfaces | Input: 2 S/PDIF interfaces<br>Output: Not supported |
    | **I²S Interfaces** | 2 master/slave interfaces | 4 master/slave interfaces |
    | **I²S Audio Channels** | Input: 4-channel<br>Output: 4-channel | Input: 4-channel<br>Output: 4-channel |
    | **TDM Cascading** | Not supported | Supported, can cascade 4 devices |
    | **S/PDIF Standard Compliance** | AES3, IEC 60958, EIAJ CP-1201 | AES3, IEC 60958, EIAJ CP-1201 |
    | **Status** | Active | Active |

    </div>