On Sat, Oct 24, 2020 at 02:41:25PM +0800, Jiaxin Yu wrote: > We can choose to drop away any length of data from the beginning according > to project needs. Some projects don't want to throw away any data, because > they want to use recorded data to do echo cancellation, so they have to > make sure that they are aligned with the reference data as much as > possible. Or there are other algorithms in the upper layer to eliminate > this noise. Or some projects want to eliminate this noise form the kernel > layer. However, the minimum recommended value is 50ms to skip pop noise. This seems like something that would apply equally to all DMICs so should be done at a more general level rather than in this specific driver, for example it could be done in the DMIC driver.
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