I have wav file in which using the naudio lib i ha开发者_如何转开发ve been able to get raw data out of the wav files.
I am working on a phone app. I have a dial pad grid view with buttons. I have a tone generator object created in onResume method.I also use a lock object. On click of any digit, i use the tone generat
Does anyone have the same problem? On Android\'s Phone app, whenever a number is pressed, the tone is always smooth.
I\'m working on a project that requires my app开发者_StackOverflow to be able to send DTMF tones on the voice\'s uplink frequency during an active call.
It\'s easy enough to, for example, make a call from an iPhone app and then use the comma pause character to send DTMF signals to navigate through a tonepad menu:
Is it possible to send dtmf from iPhone application in background state after connec开发者_JS百科ting the call?
I\'m an engineering student and I have to solve an academic problem regarding signal processing. Basically, given an DTMF signal in wav format, I have to identify the number sequence it has encoded.
I am trying to detect caller id information from telephone line. The caller-id information received is in DTMF tones (not FSK). How can I detect this DTMF tones ? Is Phone and Fax Modem capable of it
I have recently been faced with a rather odd task, one result being the necessity for the ability to use DTMF (aka \"Touch Tone\") tones to control a non-X Linux computer\'s terminal. The computer has
I need to read the audio streaming and determine 开发者_开发问答generated ultrasounds How can I find a certain sequence of sounds from streaming audio?