2014/10/15 下午 10:07:53

iphone Programming Glossary: ear

How to get AVAudioPlayer output to the speaker

http://stackoverflow.com/questions/1022992/how-to-get-avaudioplayer-output-to-the-speaker

1011273#1011273 I then use AVAudioPlayer to play back the recording. However the sound is coming out of the ear speaker not the loud speaker. How would I go about redirecting the sound to the loud speaker TIA iphone objective c audio..

iphone - AVAudioRecorder gives mono playback (sound playing in just one channel)

http://stackoverflow.com/questions/1141592/iphone-avaudiorecorder-gives-mono-playback-sound-playing-in-just-one-channel

recordSetting NSMutableDictionary alloc init recordSetting setValue NSNumber numberWithInt kAudioFormatLinearPCM forKey AVFormatIDKey recordSetting setValue NSNumber numberWithFloat 44100.0 forKey AVSampleRateKey recordSetting setValue.. NSNumber numberWithInt 2 forKey AVNumberOfChannelsKey recordSetting setValue NSNumber numberWithInt 16 forKey AVLinearPCMBitDepthKey recordSetting setValue NSNumber numberWithBool NO forKey AVLinearPCMIsBigEndianKey recordSetting setValue.. NSNumber numberWithInt 16 forKey AVLinearPCMBitDepthKey recordSetting setValue NSNumber numberWithBool NO forKey AVLinearPCMIsBigEndianKey recordSetting setValue NSNumber numberWithBool NO forKey AVLinearPCMIsFloatKey Even after specifying the..

iPhone Proximity Sensor

http://stackoverflow.com/questions/165539/iphone-proximity-sensor

share improve this question Assuming you mean the sensor that shuts off the screen when you hold it to your ear I'm pretty sure that is just an infrared sensor inside the ear speaker. If you start the phone app you don't have to be.. that shuts off the screen when you hold it to your ear I'm pretty sure that is just an infrared sensor inside the ear speaker. If you start the phone app you don't have to be making a call and hold something to cast a shadow over the ear.. speaker. If you start the phone app you don't have to be making a call and hold something to cast a shadow over the ear speaker you can make the display shut off. When you asked this question it was not accessible via the public API. You can..

What is the range of bluetooth and is it strictly 1:1?

http://stackoverflow.com/questions/658899/what-is-the-range-of-bluetooth-and-is-it-strictly-11

absorbed by water. For example consider an iPhone connected to a Bluetooth mono headset. If the headset is in one ear and the iPhone is in your trouser pocket on the opposite side of your body then there's a lot of water between the two devices... a lot of water between the two devices. This will often cause a significant amount of packet loss in practice you can hear this in the audio being carried . So in this case the range is about one meter. At the opposite extreme two class 2 devices.. this case the range is about one meter. At the opposite extreme two class 2 devices separated by nothing more than clear air can get ranges of hundreds of meters. Other factors that influence things are Interference Lots of things use 2.4 GHz...