ADAU1702JSTZ Analog Devices, Audio Processor, 48-Pin LQFP

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attributes.Number_of_Channels

attributes.Processor_Type

attributes.Maximum_Sample_Rate

attributes.Multiplier_Size

attributes.Data_Memory

attributes.Interface_Type

attributes.Maximum_Audio_Delay

attributes.Digital_Audio_Formats

attributes.Internal_Master_Clock

attributes.Mounting_Type

attributes.Package_Type

attributes.Pin_Count

attributes.Dimensions

attributes.Double_Precision_Mode

attributes.Height

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NJU72343V-TE1 Nisshinbo Micro Devices, 8-Channel Audio Processor, 32-Pin SSOP32

NJU72341V-TE2 Nisshinbo Micro Devices, 2-Channel Audio Processor, 14-Pin SSOP14

NJM2761RB2-TE1 Nisshinbo Micro Devices, Audio Processor, 10-Pin TVSP10


An audio & video processor is an integrated chip that has been designed to enhance and clean up audio and video signals before they are transmitted.

### How do audio and video processors work?

Audio processing is available in both digital and analogue. Analog converts a sound wave into an electrical signal. The signal looks like a sound wave and is processed with the least distortion. Digital audio processing converts an analogue audio signal into digital form. This is normally a binary code that can be interpreted by a computer. Digital alters the sound from a continuous wave to other information meaning the ear hears no difference in the sound.

Video processing uses signal processing to optimise video signals for a clear video stream. It has a variety of functions, including:

- **Aspect ratio control -** this ensures that the video image stays within the correct dimensions and doesn’t become distorted.
- **Upconversion -** this is the process of converting Standard Definition (SD) signals to HD quality.
- **Lip sync -** this feature ensures that audio-visual parts of a video are perfectly synchronised.
- **Edge enhancement -** a video processor will find the edges between a subject and its background and increase the contrast to create a clearer video image.

### Applications of audio and video processors

Audio processors are widely used in applications such as:

- Storage
- Data compression
- Music information
- Transmission

Video processors have a variety of use in applications such as:

- DVD Players
- Televisions
- Blu Ray players
- AV Receivers


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