XMSRC4392_VC1¶
4-Channel 192KHz ASRC and 768KHz SSRC Audio Sample Rate Converter with S/PDIF Transceiver and Dual I²S Master/Slave Interfaces
XMSRC4392 is a high-performance 4-channel asynchronous audio sample rate converter utilizing the high-performance XMOS chip, specifically designed for professional audio applications. Compared to the SRC4392's two-channel SRC solution, this product provides double the processing capability while achieving significant optimization in cost and performance.
- The product integrates two independent SRC modules (SRC_A and SRC_B), with each module capable of processing two audio channels, supporting ultra-high sample rates up to 768KHz, providing exceptional flexibility and high-performance audio sample rate conversion for various digital audio systems.
- Supports SSRC sample rate conversion between 44.1KHz-768KHz and ASRC sample rate conversion between 44.1KHz-192KHz, with support for 16bit/24bit/32bit audio data processing.
- The product delivers exceptional audio performance metrics, with both SSRC and ASRC achieving THD+N (@1kHz, 0dBFs) ≤ -130dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
XMSRC4392_VC1 Product Brief XMSRC4392_VC1 Datasheet 
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Features and Specifications¶
- 4-Channel SRC Audio Sample Rate Conversion
- Dual SRC module architecture (SRC_A + SRC_B), each module processes 2 audio channels
- Can operate independently, processing 4 channels of audio sample rate conversion simultaneously
- Ultra-High Sample Rate Conversion Support
- SSRC supports sample rate conversion between 44.1KHz-768KHz
- ASRC supports sample rate conversion between 44.1KHz-192KHz
- Supports 16bit/24bit/32bit audio data processing
- High-Performance Specifications
- 4 S/PDIF multiplexed input interfaces
- 2 S/PDIF output interfaces
- 2 I²S Master/Slave interfaces
- Compatible with AES3, IEC 60958, and EIAJ CP-1201 standards
Normal Operating Conditions
| Function | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Operating Temperature | 0 | - | 70 | ℃ |
| 3.3V Operating Voltage | 3.0 | 3.3 | 3.6 | V |
| 1.8V Operating Voltage | 1.62 | 1.80 | 1.98 | V |
| 0.9V Operating Voltage | 0.855 | 0.90 | 0.945 | V |
Product Dimensions 13±0.1mm(L)X13±0.1mm(W)X0.8±0.1mm(H)
Documentation and Tools¶
| Type | Title | Download |
|---|---|---|
| Product Datasheet | XMSRC4392-VC1 Datasheet | [] |
| Reference Design | [] | |
| Application Guide | [] |
| Type | Description | Download |
|---|---|---|
| Debugging Tools | Debugging Tools |
Feature Comparison¶
| Feature | XMSRC4392 | SRC4392 | Advantage |
|---|---|---|---|
| SRC Channels | 4-channel | 2-channel | 2x processing capability |
| SRC Modules | 2 independent modules | 1 module | 2x processing capability |
| Maximum Sample Rate (SSRC) | 768 KHz | 216 KHz | 3.5x performance improvement |
| Maximum Sample Rate (ASRC) | 192 KHz | 216 KHz | Equivalent performance |
| External Clock Reference | Not required | Required | Saves external crystal cost |
| Expandability | Expandable | Non-expandable | More flexible |
Application Scenarios¶
-
Professional Recording Studios
High-precision sample rate conversion in multi-track recording equipment, processing audio materials with different sample rates in audio workstations, achieving audio signal format unification in mixing console systems
-
Broadcast & Television
Real-time audio signal processing in broadcast equipment, synchronized processing of audio from different sources in television production, optimized audio signal conversion in live streaming systems
-
Digital Audio Systems
Audio signal preprocessing in amplifier equipment, multi-channel signal conversion in audio processors, signal optimization in speaker management systems
-
Automotive Audio
Audio format conversion in car entertainment systems, audio quality optimization processing in high-end audio systems, signal processing in noise reduction systems
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Consumer Electronics
Audio signal processing in high-end audio equipment, multi-channel processing in home theater systems, signal conversion in professional audio interfaces
-
Industrial Applications
Signal standardization in audio test equipment, data processing in audio analyzers, format conversion in professional signal processing equipment
Ordering Information¶
| Product Name | Product Model | Product Image |
|---|---|---|
| 4-Channel 192KHz ASRC and 768KHz SSRC Audio Sample Rate Converter with S/PDIF Transceiver and Dual I²S Master/Slave Interfaces | XMSRC4392-VC1 |  |
Related Evaluation Boards¶
-
A316-HF-I2S-V1 Audio Sample Rate Converter Evaluation Board
The development board exposes XU316 interfaces through pin headers for independent evaluation of XMSRC4392_VC1 performance