ByTown Kassis 2019-06-26 2185
The Aqstic WCD937X family includes the Qualcomm WCD9370 and Qualcomm WCD9375. These are developed to the same high standards as the Aqstic WCD9341 audio codec, which is present in the Qualcomm Snapdragon 855. Both codecs offer high-quality audio, with the superior WCD9375 model being as follows.
Xiaomi Redmi K20 4G Phablet - Red
Qualcomm warns that for the WCD9375 codec they have added an extra element of quality. To improve the audio, Qualcomm decided to work with a group of audiophiles called Golden Ears. These are people who are able to "identify the slightest distortions in the music, the characteristics of different digital filters, reverberation, colouring, panning, harmonics and more".
This is actually a very rare skill and you have it trained or naturally. There are programs that must be followed to obtain Golden Ears certification and usually take years to complete. Most manufacturers that use Golden Ears are those that make really expensive audio products that sell for thousands of dollars. Qualcomm has now brought the same high quality to its smartphone codecs.
Qualcomm adjusted the WCD9375 codec using comments from a Golden Ears group. They designed a digital audio filter to do this. This filter can also be customised so that OEMs can design it to meet different needs and have their own particular sound signature. Qualcomm says the latter is necessary as audio quality can be quite subjective.
The Qualcomm Aqstic WCD937x series, adjusted by the Golden Ears filter, will be available on phones equipped with Snapdragon 730 and Snapdragon 730G. Qualcomm expressly states that the Redmi K20 has it, but we're not sure if the Samsung Galaxy A80 has it. Phones with the new codec should provide "much better audio quality" for users.
Qualcomm also said the flagship WCD9341 codec (present in the Snapdragon 855) will also support the Golden Ears filter. On the latter it is not clear whether it will be possible with an upgrade or whether it will be present on models manufactured from a specific date.
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