W6811IWG TR

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As a type of interface, CODECs technology is widely applied to various fields. W6811IWG TR is a CODEC family specially tailored for small size voice storage applications and telephone recording systems.

In terms of host application, W6811IWG TR CODEC family is ideal for applications such as small size digital voice recorder/player, smart card, USB sound card, web-based interactive audio service, game machine, and phone recorders. The whole family supports 4W, 2W, µ-law, and a-law PCM coding format. Different CODECs support different sample rates and data formats, such as 32kHz, 44.1kHz and 48kHz, 16bits and 8bit. Selecting the proper CODEC from the family can be very helpful to complete specific VoIP application.

The acronym CODEC stands for "coder/decoder" or encoding/decoding. The purpose of CODECs is to reduce the number of bits required to store or transmit audio data by applying some form of compression algorithm. In other words, the CODEC works to digitize, compress, and decompress the analog audio signal, so that it can be transmitted over telephone or other digital networks, and stored in digital format. It\'s the process of taking a stream of audio data and coding it for transmission or storage, then reversely decodding it for playback or processing.

Specifically, W6811IWG TR CODEC family consists of three parts. The first is the digital fuzzy logic front end, which uses special algorithms to improve speech recognition and reduce system cost. Secondly, the A-law/µ-law invariant port allows the user to switch the audio input and output between different CODECs without changing any hardware. Finally, the third part is the 8bit/16bit resolution selector, which makes W6811IWG TR CODEC family an ideal choice for applications that requires efficient noise suppression, improved speech recognition and legibility, and microphone/speaker sound detection.

In terms of working principles, W6811IWG TR CODEC family is composed of three core components: the A-law/µ-law invariant port, the 8bit/16bit resolution selector, and the digital fuzzy logic front end. The A-law or µ-law invariance port enables the user to switch the audio input and output between different CODECs without changing the hardware. Furthermore, the 8bit/16bit resolution selector allows the user to select the appropriate signal resolution depending on the application and system cost requirements.

The digital fuzzy logic front end is used to reduce signal noise and improve speech recognition rate. It is composed of two signal processing modules, coding and filtering. The coding module processes the audio signal and compresses its bit rate, with fewer bits used to store the audio data. The filtering module improves the audio signal clarity by removing background noise, BER (Bit Error Rate) and transmission line noise. This module also removes the distortion caused by improper signal condition, resulting in improved audio quality.

In summary, W6811IWG TR CODEC family is a highly efficient and economical solution for small size voice storage applications and telephone recording systems. Its A-law or µ-law invariant port enables users to switch between different CODECs without changing any hardware. The 8bit/16bit resolution selector allows users to select the appropriate signal resolution depending on the application and system cost requirements. The digital fuzzy logic front end reduces signal noise and improves speech recognition rate, making it an ideal solution for VoIP applications.

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