2014/10/15 下午 10:11:23

iphone Programming Glossary: microphone

Looking for a way to encode mp3 on iPhone

http://stackoverflow.com/questions/1005598/looking-for-a-way-to-encode-mp3-on-iphone

I'm looking for a way to encode an mp3 file on the iPhone. I'm writing an app that records an audio clip with the microphone and uploads it to a server. The iPhone SDK has APIs to write out .caf and .aiff but I didn't find any support for mp3. Since..

Disable Dictation button on the keyboard of iPhone 4S / new iPad

http://stackoverflow.com/questions/11105058/disable-dictation-button-on-the-keyboard-of-iphone-4s-new-ipad

putting a fake button on the Dictation button on the key pad but on the iPad the split dock concept keeps moving the microphone all over the screen. This does not sound like a reasonable solution. Are there any experts out there who could help me ..

iPod touch for iPhone development

http://stackoverflow.com/questions/134048/ipod-touch-for-iphone-development

network Camera iPod Touch 4G has front and back cameras Microphone thanks John Topley iPod Touch 4G has headset with microphone Vibration The 1G is lacking a speaker On the plus side it weighs a bit less and is a bit smaller.. Other than that they..

how to route iPhone audio to the bluetooth headset

http://stackoverflow.com/questions/2375837/how-to-route-iphone-audio-to-the-bluetooth-headset

setCategory AVAudioSessionCategoryPlayAndRecord error nil audioSession setActive YES error nil set up for bluetooth microphone input UInt32 allowBluetoothInput 1 OSStatus stat AudioSessionSetProperty kAudioSessionProperty_OverrideCategoryEnableBluetoothInput..

Using the apple FFT and accelerate Framework

http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework

like as in why would we be using this function in the first place Let's say we want to perform pitch detection on microphone input and we have set it up so that some callback gets triggered every time the microphone gets in 1024 floats. Supposing.. perform pitch detection on microphone input and we have set it up so that some callback gets triggered every time the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec. So our time window is.. we have set it up so that some callback gets triggered every time the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec. So our time window is whatever the time duration of 1024 samples is..

Detect if headphones (not microphone) are plugged in to an iOs device

http://stackoverflow.com/questions/3728781/detect-if-headphones-not-microphone-are-plugged-in-to-an-ios-device

if headphones not microphone are plugged in to an iOs device I need to change my audio depending on whether or not headphones are plugged in. I'm aware.. not headphones are plugged in. I'm aware of kAudioSessionProperty_AudioInputAvailable which will tell me if there's a microphone but I'd like to test for any headphones not just headphones with a built in microphone. Is this possible iphone ipad ios.. which will tell me if there's a microphone but I'd like to test for any headphones not just headphones with a built in microphone. Is this possible iphone ipad ios share improve this question Here is a method of my own which is a slightly modified..

AVAssetWritter does not work with audio

http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio

session.sessionPreset AVCaptureSessionPresetMedium camera AVCaptureDevice defaultDeviceWithMediaType AVMediaTypeVideo microphone AVCaptureDevice defaultDeviceWithMediaType AVMediaTypeAudio menu camera camera session beginConfiguration camera lockForConfiguration.. camera_input AVCaptureDeviceInput deviceInputWithDevice camera error nil session addInput camera_input microphone_input AVCaptureDeviceInput deviceInputWithDevice microphone error nil retain AVCaptureVideoDataOutput output AVCaptureVideoDataOutput.. camera error nil session addInput camera_input microphone_input AVCaptureDeviceInput deviceInputWithDevice microphone error nil retain AVCaptureVideoDataOutput output AVCaptureVideoDataOutput alloc init autorelease output.videoSettings NSDictionary..

Detecting iPhone/iPod Touch Accessories

http://stackoverflow.com/questions/667196/detecting-iphone-ipod-touch-accessories

if the iPod Touch iPhone has any headphones or other accessories connected to it I'm building an app that requires a microphone and need to know if the iSomething has one connected or not either via the dock connection or using the headphone port such.. has one connected or not either via the dock connection or using the headphone port such as with the inline headphone microphone accessory from Apple. Edited to add the bit about the types of accessories connected. iphone objective c ipod touch share..

iPhone headphone jack - read in data?

http://stackoverflow.com/questions/7192473/iphone-headphone-jack-read-in-data

Selbold has pointed out is that the incoming data must be modulated at frequencies within the passband of the iPhone microphone input. Although many have suggested that this limits the data rate in fact 19 kHz audio is a very wideband signal capable..

How can I compile lame as static library(.a) for armv6 and armv7 of iPhone?

http://stackoverflow.com/questions/9207063/how-can-i-compile-lame-as-static-library-a-for-armv6-and-armv7-of-iphone

files to MP3 files. I use it to convert sound files to MP3 files on iPhone. The source PCM sound files is recorded by microphone. In order to include the LAME into my XCode Project I need to compile the LAME to 3 static libraries .a for i386 IOS Simulator..

What tool(s) can I use to produce iPhone App Screencasts? [closed]

http://stackoverflow.com/questions/935540/what-tools-can-i-use-to-produce-iphone-app-screencasts

just to provide a good cursor but I see that the latest release of ScreenFlow now has that capability built in. For a microphone I actually used the USB one from Rock Band. It's a surprisingly good Logitech microphone that's recognized as soon as you.. capability built in. For a microphone I actually used the USB one from Rock Band. It's a surprisingly good Logitech microphone that's recognized as soon as you plug it into your Mac. I needed to do a little post processing of the MP4 output to make..