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Re: DTMF v4

From: Roman Shpount <roman@telurix.com>
Date: Fri, 14 Dec 2012 13:02:27 -0500
Message-ID: <CAD5OKxsd4CqpE_k+zCiGtmasounR-XAwa6t1dsmbMkU5MuRuXg@mail.gmail.com>
To: Harald Alvestrand <harald@alvestrand.no>
Cc: public-webrtc@w3.org
Looks good.
_____________
Roman Shpount



On Fri, Dec 14, 2012 at 8:53 AM, Harald Alvestrand <harald@alvestrand.no>wrote:

> On 12/14/2012 11:39 AM, Harald Alvestrand wrote:
>
>> Appropriate changes from on-call discussion and subsequent email
>> exchanges have been applied.
>> I think there's now consensus to take this to the editors.
>>
>> Harald
>>
> I forgot to include the examples I promised....
>
> Examples
> ======
>
> Examples assume that “pc” is a connected PeerConnection, and “track” is an
> audio track on that connection.
>
> Sending the DTMF signal “1234” with 500 ms per tone:
>
> sender = pc.createDTMFSender(track);
> if (sender.canSendDTMF) {
> sender.insertDTMF(“1234”, 500);
> } else {
> alert(‘DTMF function not available’);
> }
>
> Sending the DTMF signal “1234”, and lighting up a key using “lightKey(x)”
> while the tone is playing (assuming that lightKey(‘’) will darken all the
> keys):
>
> sender = pc.createDTMFSender(track);
> sender.ontonechange = function(e) {
> lightKey(e.tone);
> }
> sender.insertDTMF(‘1234’);
>
> Sending an 1-second “1” tone followed by a 2-second “2” tone:
>
> sender = pc.createDTMFSender(track);
> sender.ontonechange = function(e) {
> if (e.tone == ‘’) {
> sender.insertDTMF(‘2’, 2000);
> }
> }
> sender.insertDTMF(‘1’, 1000);
>
> Sending the tone string ‘12345’, and appending the tone string ‘6789’
> before the tone finishes playing:
>
> sender = pc.createDTMFSender(track);
> sender.insertDTMF(‘12345’);
> // Other things happen.....
> sender.insertDTMF(sender.**toneBuffer + ‘6789’);
>
> This is safe due to the Javascript threading model.
>
>
>
>
>
>
Received on Friday, 14 December 2012 18:03:02 GMT

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