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iPhone iPad Media Q&A » audio » microphone 

1. I want to record and play the audio with iphone but not through microphone ..?    stackoverflow.com

I want to record the user's voice without using the headphone. I want to record it directly by iPhone and play it directly by speaker. Is there any way to do ...

2. iPhone development - How to override microphone with contents of an audio file    stackoverflow.com

Does anyone knows how to override the iPhone microphone with the content of an audio file? Imagine a scenario where you are in a call and you wants to play some short ...

3. Microphone question in iPhone SDK    stackoverflow.com

I am trying to do an app, to where when it launches, it will detect audio, and then play it back automatically. NO BUTTONS, nothing to press. Just a picture of ...

4. How can I tell whether a microphone is available on the device (iPhone, iTouch, or iPad)?    stackoverflow.com

If the device has a microphone, I would create audio device as "play and record". If the microphone is not available, only "play" audio device can work.

5. Forcing iPhone Microphone as Audio Input    stackoverflow.com

I am developing an iOS application (targetted specifically for iPhone, at the moment) that requires the application to record audio only from iPhone internal microphone (even when headphone/headset is plugged in), ...

6. iOS LPCM Non-interleaved Audio input with 2 channels: not possible?    stackoverflow.com

In the aurioTouch sample app the RemoteIO audio unit is configured for 2 channel non-interleaved LPCM in the 8.24 fixed point format. This is the preferred format on the ...

7. iphone core audio data from microphone is NaN    stackoverflow.com

When I receive data from the microphone via core audio, sometimes the buffers have only one sample inside and sometimes they have 20 samples. some of the time the values of ...

8. Objective C, Record Audio Output Without Microphone    stackoverflow.com

I can't figure out how to record audio from the iPhone Output without using the microphone and speaker. If there, in Objective C, was a way to record the output sound, please ...

9. live convert audio stream from microphone to ACC - iphone    stackoverflow.com

I'm developing a library to convert live stream from microphone to ACC format using iphone hardware. I'm successful to make it work. However, the result file has a problem with it. ...

10. How to add mixer on iPhone microphone input in core audio?    stackoverflow.com

I'm working on application that record audio from iPhone's microphone and send them via network to Mac OS console for playback. I need to measure and display input level on iPhone. ...

11. Getting the voltage applied to an iPhone's microphone port    stackoverflow.com

I am looking at a project where we send information from a peripheral device to an iPhone through the microphone input. In a nutshell, the iPhone would act as a voltmeter. (In ...

12. iOS SDK Disable Internal Microphone    stackoverflow.com

I am developing an iOS application that receives data through the auxiliary port (microphone). We got oscilloscopes hooked up and are at the point where we can measure frequencies and amplitudes on ...

13. How to get the decibel reading from an iPhone microphone    stackoverflow.com

What is the simplest way to get the decibel levels from an iPhone's microphone? I would prefer not to use AVAudioRecorder. Thanks.

14. Streaming microphone audio from iPhone to outside server    stackoverflow.com

I've seen questions on here about this, but no can't find any solutions. Does anyone have a push in the right direction for streaming audio picked up from the mic ...

15. Invert audio coming through microphone    stackoverflow.com

I'm trying to invert sound waves coming in through my iPhone's microphone before they go to the headphones, but I can't find a function for this. Any ideas?

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