The iPhone has a few mics in it. When away from one's head, speakerphone is engaged and the omnidirectional mic is active. When next to one's head, the mic becomes unidirectional. So, when the person rotates the iPhone so the mic faces up, it only picks up sounds which are above the persons head. As the iPhone is also utilising active noise cancellation technologies, most quieter sounds from above the person are filtered out. In other words, it is not actually muting the mic, it is directing the mic toward an area where the sounds are not usually very strong, so they generally get filtered out. If one actually wishes to ute the mic, I would not trust this method to do the job consistently. However, for a quick and dirty simulation of mute, it is adequate. David Chittenden, MSc, MRCAA Email: [email protected] Mobile: +64 21 2288 288 Sent from my iPhone
> On 8 Jan 2014, at 16:41, Sieghard Weitzel <[email protected]> wrote: > > Hi Jen, > > Can you explain this again, I am not following you on this explanation about > muting a call by holding the phone vertically, but I am curious what you > discovered. For me "muting" a call means you mute the microphone so you can > still hear the other person, but they can't hear you. Is that what you mean? > > Regards, > Sieghard > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf > Of Jennie Facer > Sent: Tuesday, January 07, 2014 5:07 PM > To: [email protected] > Subject: Re: Muting the Mike > > Also if while you are on a call, keep your phone to your ear, then turn your > phone so it is straight up vertically. This mutes the caller also. > > A new technique I just learned. > > Jenn > > Sent from my iPhone > >> On Jan 7, 2014, at 1:24 PM, Sieghard Weitzel <[email protected]> wrote: >> >> Hi Don, >> >> Use the Mute button. >> It's one of the buttons when a call is active, if you see the DialPad >> you have to hide it first, then Mute will be at the top. The buttons >> from top to bottom are: >> >> Mute >> Keypad >> Speaker >> Add Call >> Facetime >> Contacts >> End Call >> >> >> Regards, >> Sieghard >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Donald L. Roberts >> Sent: Tuesday, January 07, 2014 12:16 PM >> To: [email protected] >> Subject: Muting the Mike >> >> >> I hope to get a quick answer to this. My iPhone 4-S is running IOS >> 7.04. When on a phone call, is there a way to mute the mike >> without also muting the receiver? Then, at some point, I will need >> to unmute the mike. So how do I do this? >> >> Thanks. >> >> Don Roberts >> >> -- >> You received this message because you are subscribed to the "VIPhone" >> Google Group. >> >> Post a new message to VIPhone by emailing [email protected]. >> >> Search and view the VIPhone archives by visiting >> http://www.mail-archive.com/[email protected]/. >> >> Reach the VIPhone owner and moderators by emailing >> [email protected]. >> >> Unsubscribe and leave VIPhone by emailing >> [email protected]. >> >> More VIPhone group options can be found by visiting >> http://groups.google.com/group/viphone?hl=en. >> --- >> You received this message because you are subscribed to the Google >> Groups "VIPhone" group. >> To unsubscribe from this group and stop receiving emails from it, send >> an email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to the "VIPhone" > Google Group. >> >> Post a new message to VIPhone by emailing [email protected]. >> >> Search and view the VIPhone archives by visiting > http://www.mail-archive.com/[email protected]/. >> >> Reach the VIPhone owner and moderators by emailing > [email protected]. >> >> Unsubscribe and leave VIPhone by emailing > [email protected]. >> >> More VIPhone group options can be found by visiting > http://groups.google.com/group/viphone?hl=en. >> --- >> You received this message because you are subscribed to the Google Groups > "VIPhone" group. >> To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the "VIPhone" Google > Group. > > Post a new message to VIPhone by emailing [email protected]. > > Search and view the VIPhone archives by visiting > http://www.mail-archive.com/[email protected]/. > > Reach the VIPhone owner and moderators by emailing > [email protected]. > > Unsubscribe and leave VIPhone by emailing > [email protected]. > > More VIPhone group options can be found by visiting > http://groups.google.com/group/viphone?hl=en. > --- > You received this message because you are subscribed to the Google Groups > "VIPhone" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the "VIPhone" Google > Group. > > Post a new message to VIPhone by emailing [email protected]. > > Search and view the VIPhone archives by visiting > http://www.mail-archive.com/[email protected]/. > > Reach the VIPhone owner and moderators by emailing > [email protected]. > > Unsubscribe and leave VIPhone by emailing > [email protected]. > > More VIPhone group options can be found by visiting > http://groups.google.com/group/viphone?hl=en. > --- > You received this message because you are subscribed to the Google Groups > "VIPhone" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the "VIPhone" Google Group. 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