WAU8812YG

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The WAU8812YG is a low power resource-constrained digital coding and decoding (Codec) integrated circuit that is designed to help maximize battery life in portable applications. It is typically used in multimedia applications such as VoIP, video streaming, and video conferencing, as well as in digital speech recognition systems.

The WAU8812YG supports dual power supply of 3.3V and 1.8V, and implements high-quality digital audio compression algorithms such as AAC, aptX, and aptX HD. It is capable of high-fidelity data transmission over narrow bandwidths, making it ideal for applications where sound clarity is critical. The high efficiency of the Codec allows for the integration of a range of audio functions into a single device, minimizing overall size and power consumption.

The main features of the WAU8812YG include:
• 24-bit performance in both decode and encode modes;
• Low power consumption of as little as 7 mW;
• Adaptive Power Management that can reduce power consumption and improve battery life;
• Synchronization of sampling rate converters (SRC) and digital processor functions;
• Support of 4 independent and simultaneous audio channels;
• Integrated noise reduction circuitry;
• Advanced Audio FX sound processing with 24-bit resolution;
• Highly accurate clock synchronization architecture.

The WAU8812YG is designed to provide robust and reliable coding and decoding of digital audio signals in a variety of applications. Its low power consumption, high audio performance, and integration of advanced audio functions all make this Codec a great choice for portable multimedia applications.

The Codec works by receiving input audio signals and either encoding them for data transmission or decoding them for playback. Depending on the application, the WAU8812YG can be used to achieve various levels of audio quality, such as high-definition (HD), studio quality, and near-CD quality. The Codec has two core components – a coder/decoder (CODEC) unit and a digital processor for handling synchronization and signal conditioning tasks.

The CODEC unit is responsible for compressing and decompressing digital audio signals. The WAU8812YG supports a variety of audio formats, such as Linear PCM (LPCM), aptX and aptX HD, AAC, AC3, and G.711. As the audio is processed, the CODEC can also apply a range of signal processing functions to improve sound quality, reduce noise, and optimize battery life. These functions include advanced Audio FX (such as echo cancellation, noise reduction, dynamic range control, and spatial filtering) and adaptive power management (which lowers the power consumption with minimal effect on audio quality).

The digital processor unit is responsible for synchronization and signal conditioning tasks, such as sample rate conversion, resampling, and DSP functions. This allows the WAU8812YG to output different audio formats from the same source. It also helps to ensure that transmission and playback of audio signals is consistent and of the highest quality possible.

The WAU8812YG Codec is an ideal choice for low-power, resource-constrained applications that require high audio performance. Its low power consumption, advanced audio functions, and support for a range of audio formats make it well suited for use in multimedia applications, such as VoIP, digital radio, and video conferencing.

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