Top "Audio-recording" questions

Questions related to audio recording in applications.

Sound processing: Should I use DirectSound or directly Win32 APIs?

I'm making an application where I will: Record from the microphone and do some realtime processing on the input Play …

winapi audio audio-recording directsound audio-player
Difference between VOICE_COMMUNICATION and MIC in MediaRecorder.AudioSource

I am using media recorder for recording call in android using VOICE_COMMUNICATION & MIC mode alternatively. RECORD_SOURCE = MediaRecorder.…

android audio-recording android-mediarecorder android-audiorecord
How to know whether a MediaRecorder is in running state or not?

I wrote a code to record audio of call conversation using MediaRecorder. how can i know whether a MediaRecorder is …

android audio-recording mediarecorder
Why is it impossible to use the Speech Recorder on the Android emulator?

I am trying to run the Speech Recorder that comes with the Android 2.2 emulator. The problem is that the moment …

android android-emulator audio-recording microphone
How to set timestamp of CMSampleBuffer for AVWriter writing

I'm working with AVFoundation for capturing and recording audio. There are some issues I don't quite understand. Basically I want …

ios avfoundation audio-recording cmsamplebufferref core-media
How can I obtain the native (hardware-supported) audio sampling rates in order to avoid internal sample rate conversion?

Can anybody point me to documentation stating the native sampling rates on the different iPhone versions in order to avoid …

ios core-audio audio-recording
How to video record with specific sound programmatically in android?

I have created functionality to record video in my app. When I play a song, that song is recorded with …

android audio audio-recording video-recording
Simultaneous record audio from mic and play it back with effect in python

My goal is to record my voice through the laptop mic and simultaneously adding an effect to it, in python. …

python audio-recording effects wave scikits
Record AVAudioPlayer output using AVAudioRecorder

In my app the user plays a sound by pressing a button. There are several buttons which can be played …

iphone ipod-touch audio-recording
Android - mute microphone while recording video

I'm recording a video with the camera, using the MediaRecorder class, after following a tutorial similiar to this http://androidcookbook.…

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