The audio recording and playing module is mainly composed of pickup, preamplifier, analog digital converter (ADC) and memory. The pickup is responsible for collecting sound signals and converting them into electrical signals; The preamplifier amplifies the electrical signals collected by the pickup for better processing; The analog-to-digital converter will amplify the analog signal [Details]

The new WT588F02KD launched by Shanghai Small Voice has greatly reduced the difficulty in developing personalized products such as smart alarm clocks, saved one MCU, display driver IC, voice broadcast IC and other devices, and can achieve time calibration and music track selection without adding Bluetooth chips [Details]

Guide: With the diversification of consumer demand, there are more and more products that realize voice broadcast through voice chips, such as smart water cups, induction cookers, microwave ovens and other small household appliances, electric vehicle dashboard, blood pressure meters, blood glucose meters and other household medical products. And these products are basically [Details]

Speech recognition chip, speech recognition chip WTK series, voice control chip, the main feature is that it can talk and execute commands [Details]

According to the official website, aptX is divided into three types: aptX, aptX HD and aptX Low Latency. According to their names, they can be considered as traditional aptX, high-quality aptX (estimated to improve the code rate) and low time delay aptX (time delay is very important when watching videos and playing CS). place [Details]

Because MP3 is a lossy compression encoding format, excellent decoding chips can better restore audio signals, which can largely compensate for the loss of audio signals. On the contrary, the low-end decoding chip will cause further loss of MP3 encoded information. [Details]