First, the Philips series. Philips' decoding chip generally adopts BGA packaging technology, but the technology in this field is quite limited in China. In addition, the decoding chip of Philips needs to work with other control chip circuits, so the product cost is high. Therefore, manufacturers who use Philips decoding chips are often positioned in the middle and high price range, such as MPIO and IRIVER, two professional MP3 manufacturers in South Korea.
Second, TCC730/TCC73 1 Telechips series. If equipped with more high-end headphones, there will be some improvement. This kind of machine usually comes standard with Sennheiser MX300 (or OEM Sennheiser) headphones, which belong to the most popular headphones in Sennheiser MX series, so it is suggested that friends who have higher requirements on sound quality can try Sennheiser MX500, or higher-grade KOSSP/KOSSP and Sennheiser PX 100/PX200. Because MP3 with this chip has certain potential in sound quality.
Third, the lark chip. At present, all the domestic key presses are used, but WMA is not supported at present, and the price is similar to that of STMP34 10, with more functions. Larks are characterized by low power consumption and clear and pleasant sound quality. The recording generates files in MP3 format, and the compression bit rate is optional; Coding direct recording function, the compression bit rate can be adjusted as needed; Built-in FM radio