Analog Device,Inc.（简称ADI）拥有适合音频应用的各种音频专用DSP和通用DSP。其中SigmaDSPTM 允许用户对音频DSP使用SigmaStudio graphical tool 编程方法,而不必使用汇编语言或C语言。许多SigmaDSP处理器集成了高性能的音频ADC和DAC,可构建完整的音频片上系统（Soc）。ADI公司的SHARC(R) 处理器 是音频处理领域的佼佼者,而Blackfin(R) 处理器适合于移动多媒体应用。如有问题,请查看SigmaDSP常见问题解答。
Audio Signal Processors
| Part# Results: 9 | Instructions/Cycles | DAC DNR (dB) | DAC THD+N @ 1 kHz (-3dB) | ADC DNR (dB) | ADC THD+N (dB) | Digital I/O Channels | Analog I/O Channels | Product Description | 数据手册DataSheet下载 |
|---|---|---|---|---|---|---|---|---|---|
| AD1940 | 1,536 | n/a | n/a | - | - | 16/16 | 0/0 | SigmaDSP Multichannel 28-/56-Bit Audio Processor w/ 4-Wire SPI (R) control interface. | AD1940 |
| AD1941 | 1,536 | n/a | n/a | - | - | 16/16 | 0/0 | SigmaDSP Multichannel 28-/56-Bit Audio Processor w/ 2-wire I^2C (R) control interface. | AD1941 |
| AD1953 | 512 | 112 | 100 | - | - | 4/6 | 0/3 | SigmaDSP 3 Ch, 26-/48-Bit Processing D/A | AD1953 |
| AD1954 | 512 | 112 | 100 | - | - | 4/2 | 0/3 | SigmaDSP 3 Ch, 26-/48-Bit Processing D/A | AD1954 |
| ADAU1401 | 1,024 | 104 | 90 | 100 | -83 | 8/8 | 2/4 | 28/56-Bit Automotive Audio Processor with Two ADCs and Four DACs | ADAU1401 |
| ADAU1445 | 3,584 | - | - | - | - | 24/24 | - | SigmaDSP(R) Digital Audio Processor with Flexible Audio Routing Matrix | ADAU1445 |
| ADAU1701 | 1,024 | 104 | 90 | 100 | -83 | 8/8 | 2/4 | SigmaDSP(R) 28/56-Bit Audio Processor with Two ADCs and Four DACs | ADAU1701 |
| ADAU1702 | 512 | 104 | 90 | 100 | -83 | 8/8 | 2/4 | SigmaDSP 28/56-Bit Audio Processor with 2 ADC/4 DAC | ADAU1702 |
| ADAU1761 | 1,024 | 99 | 90 | 101 | -92 | 8/8 | 2/2 | - | ADAU1761 |
Audio Signal Processors for TV Audio
| Part# Results: 8 | Instructions/Cycles | ADC Input Channels | DAC Outputs | DAC DNR (dB) | DAC THD+N @ 1 kHz (-3dB) | ADC THD+N (dB) | Digital I/O Channels | Digital Output PWM Chs | Product Description | 数据手册DataSheet下载 |
| ADAV400 | 2,560 | 2 | 8 | 95 | 93 | -90 | 8/8 | - | Audio Codec with Embedded SigmaDSP(R) Processor | ADAV400 |
| ADAV4101 | 2,560 | 2 | 6 | 95 | 85 | -90 | 8/2 | - | Audio Processor for Advanced TV | ADAV4101 |
| ADAV4312 | 2,560 | 4 | 11 | 95 | 85 | -90 | 8/2 | - | Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder | ADAV4312 |
| ADAV4322 | 2,560 | 4 | 11 | 95 | 85 | -90 | 8/2 | - | Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder | ADAV4322 |
| ADAV4412 | 2,560 | 4 | - | 95 | 85 | -90 | 8/2 | - | Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder | ADAV4412 |
| ADAV4422 | 2,560 | 4 | - | 95 | 85 | -90 | 8/2 | 4 | Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder | ADAV4422 |
| ADAV4601 | - | 2 | 6 | 94 | 86 | -90 | - | 8 | Audio Processor for Advanced TV | ADAV4601 |
| ADAV4622 | 2,560 | 4 | 8 | 94 | 86 | -90 | - | 8 | Audio Processor for Advanced TV with Sound IF Demodulator and Stereo Decoder | ADAV4622 |