On Thu, Sep 21, 2023 at 07:13:14PM +0800, Shengjiu Wang wrote: > Ratio modification on i.MX is to modify the configured ratio. > For example, the input rate is 44.1kHz, output rate is 48kHz, > configured ratio = 441/480, the ratio modification is to modify > the fractional part of (441/480) with small steps. because the > input clock or output clock has drift in the real hardware. > The ratio modification is signed value, it is added to configured > ratio. It does sound like something other vendors are likely to have to provide a mechanism to compensate for clock inaccuracies.
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