noise « audio « iPhone iPad Media Q&A

1. iPhone - lot of noise in audio file    stackoverflow.com

I am writing raw audio bytes from two files into a new wav file to combine the two files. The resultant file which is created has the contents of both the ...

2. iPhone SDK: How to record voices with ambient noise supression?    stackoverflow.com

Can anyone point me in the right direction on how I would minimize ambient noise while recording someone speaking using the iPhone SDK Core Audio? I'm guessing a band-pass filter that ...

3. Integrating Audacity for noise removal of wav file in iphone    stackoverflow.com

I am recording a audio file and saved in .wav format.I want to implement noise removal to split the voice from the background noise.so i want to implement Audacity's "Noise ...

4. iPhone echo cancellation, can I disable it?    stackoverflow.com

I am developing an app that needs to play music while on the phone. The problem is that the iPhone 4 noise cancellation system is canceling my sound and the interlocutor ...

5. iPhone noise reduction, can I disable \ tune it?    stackoverflow.com

I am developing an app that needs to play a sound while the user is on the phone. It works fine on 3G iPhones. On iPhone4 it does not work because ...

6. How would I recognize the noise of a clap in an iPhone application?    stackoverflow.com

Within my iPhone application, how would I recognize the noise that a clap makes?

7. How can we remove Noise from audio that comes out of Remote IO?    stackoverflow.com

I am using Remote IO to capture voice real time and playback through headphone. When I test it the device(iPhone or iPad), I always hear a continuous noise in the ...

8. How to generate and play white noise on the fly with OpenAL?    stackoverflow.com

I'm using OpenAL in my app to play sounds based on *.caf audio files. There's a tutorial which describes how to generate white noise in OpenAL:

amplitude - rand(2*amplitude)

9. How can I do audio noise reduction programmatically?    stackoverflow.com

I'm developing an iPhone 4 (iOS 4) application that show an level meter. This app measures human voice. But it has a problem. When there is a lot of noise, it doesn't ...

10. Reduce Noise While Recording users Voice in iphone Application?    stackoverflow.com

I am trying to record users voice with background music playing behind. I am able to set a session and play background and record concurrently using AVAudioSessionCategoryPlayAndRecord. But it's recording lot's ...