DTMF_MUTING detection delay time, manual incorrect, bonus make it adjustable.

[hayden-t]

In http://www.svxlink.org/doc/man/man5/svxlink.conf.5.html it states 75ms detection delay, but this does not seem correct.

Default decoder type INTERNAL only has 40ms delay https://github.com/sm0svx/svxlink/blob/4ee98eb7e2a9bd3c1b7c3667b84b704cb2bc9925/src/svxlink/trx/DtmfDecoder.cpp#L124-L127 https://github.com/sm0svx/svxlink/blob/4ee98eb7e2a9bd3c1b7c3667b84b704cb2bc9925/src/svxlink/trx/SvxSwDtmfDecoder.h#L165 DH1DM has 75ms

But i found in my situation even that is not enough, as the start of code still coming through, ideally this parameter could be exposed to the conf file.

[f5vmr]

Since using the ReflectorLogic, I've have never encountered any difficulty with DTMF either in sending or muting, provided DEEMPHASIS=0 is set. With this parameter set to 1 some tones fail, in my case the 3 from my Yaesu FT60. Naturally the filtering instigates a delay when RepeaterLogic is running and users will detect their voice on repeater systems because of the delay.

Chris

On Sun, 15 Aug 2021, 23:53 hayden-t, @.***> wrote:

In http://www.svxlink.org/doc/man/man5/svxlink.conf.5.html it states 75ms detection delay, but that is not correct afaik. Default decoder type INTERNAL only has 40ms delay

https://github.com/sm0svx/svxlink/blob/4ee98eb7e2a9bd3c1b7c3667b84b704cb2bc9925/src/svxlink/trx/SvxSwDtmfDecoder.h#L165 DH1DM has 75ms

But i found in my situation even that is not enough, as the start of code still coming through, ideally this parameter could be exposed to the conf file.

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