My suggestion would be to disable it. It's not mandatory.
On Mon, Nov 12, 2018 at 4:03 AM Đích Kiều <dich...@gmail.com> wrote:
> Hi Steve,
>
> What about the center frequency of FIR filter, which initialized by
> quisk_filt_cfInit? I see the default is 1500? How to change?
>
> Thanks, I tried to follow your way? But result in an error.
>
> Vào Th 6, 14 thg 9, 2018 vào lúc 14:10 Đích Kiều <dich...@gmail.com> đã
> viết:
>
>> Thank you!
>>
>> Sent from my iPhone
>>
>> On Sep 14, 2018, at 11:49 AM, Steve <coupaydevi...@gmail.com> wrote:
>>
>> That's probably a good option to add. When I use OFDM on FM
>> (experimentally), I move the frequency center left, to narrow the bandwidth.
>>
>> Look at ofdm_mod.c and add:
>>
>> if ((arg = opt_exists(argv, argc, "--fcentre"))) {
>> ofdm_config->fcentre = atof(argv[arg+1]); /* Centre Frequency */
>> } else {
>> ofdm_config->fcentre = 1500.0;
>> }
>>
>> probably the same in ofdm_demod.c
>>
>>
>>
>> On Thu, Sep 13, 2018 at 11:02 PM Đích Kiều <dich...@gmail.com> wrote:
>>
>>> Hi everyone, Hi David, Hi Bruce,
>>>
>>> I'm working in FreeDV on the old telephone network. I'm run into a
>>> problem that I can't work with full-duplex because I think, due to the
>>> hybrid circuit in the PSTN network. My solution is to adjust the center
>>> frequency of the FreeDV 700D with different for TX (1000Hz) and RX
>>> (2200Hz). I hope this help, I'm trying.
>>>
>>> I need some advice from all of you about that. If it's OK. How can I
>>> adjust the center frequency of the FreeDV?
>>>
>>> P/ S: I can't use dial modem because I need fast sync.
>>> Thanks very much.
>>>
>>> Email : dich...@gmail.com
>>> SĐT : 0904736189
>>> _______________________________________________
>>> Freetel-codec2 mailing list
>>> Freetel-codec2@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
>>>
>> _______________________________________________
>> Freetel-codec2 mailing list
>> Freetel-codec2@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
>>
>>
>
> --
>
> *Kiều Việt Đích*
> *Công ty 129 - Ban cơ yếu chính phủ*
>
> Email : dich...@gmail.com
> SĐT : 0904736189
> _______________________________________________
> Freetel-codec2 mailing list
> Freetel-codec2@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
>
_______________________________________________
Freetel-codec2 mailing list
Freetel-codec2@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/freetel-codec2
