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Summary:DAHLIN-00224: Patch to allow 44100kHz sampled wave file to play through FXS port.
Reporter:armeniki (armeniki)Labels:
Date Opened:2010-11-02 22:32:22Date Closed:2010-11-03 07:37:07
Priority:MinorRegression?No
Status:Closed/CompleteComponents:NewFeature
Versions:2.4.0 Frequency of
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Description:Is there a way we can patch a file somewhere to allow a .wav file which is sampled at 44.1kHz (higher than the current 8khz limit) to play through a typical FXS port?

Cheers,
A
Comments:By: Shaun Ruffell (sruffell) 2010-11-03 07:37:07

This probably would have been better asked on the mailing lists.  However, whether it's possible with a patch(s) to the driver depends on the actual hardware.  However, it would require changing a rather significant change to DAHDI currently since audio is passed from the core of DAHDI to the board drivers via 'dahdi_transmit()' and that returns chunks that are already companded (u-law or a-law).

It's not possible in hardware on the boards served by the wctdm24xxp driver.