core-audio

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Audio Session Services: kAudioSessionProperty_OverrideAudioRoute with different routes for input & output

I\'m messing around with Audio Session Services. I\'m trying to control the audio routes setting AudioSessionSetProperty: kAudioSessionProperty_OverrideAudioRoute as kAudioSessionOverrideAudioRoute_Sp[详细]

2023-03-06 16:09 分类：问答
Simplest way to capture raw audio from audio input for real time processing on a mac

What is the simplest way to capture audio from the built in audio input and be able to read the raw sampled values (as in a .wav) in real time as they come in when requested, like reading from a socke[详细]

2023-03-06 10:57 分类：问答
How can you add a fixed gain to an AudioGraph?

Is there an AudioUnit that can apply a fixed gain within an AudioGraph?Are there other alternative me开发者_如何学编程thods?Unfortunately iOS only ships with 3 built-in AudioUnits that you can use, th[详细]

2023-03-06 07:45 分类：问答
iPhone SDK: play a sound with coreAudio

So far i\'ve been using AudioServices to play sounds in my drum app which caused horrible lag etc. I\'ve been told that if i use coreAudio there will be no lag abd the performance will开发者_开发知识库[详细]

2023-03-04 08:46 分类：问答
audioplayerdidfinishplaying problem! iphone sdk

After a sound has finished, another sound could play...but in this code sounds are mixing...How can I fix it?[详细]

2023-03-03 23:43 分类：问答
iPhone AudioQueue - Reading incoming audio data to determine BPM

I\'m trying to determine Beats Per Minute (BPM) from the microphone using sound energy, I think I\'ve figured out the part determining BPM but having a little trouble obtaining the RAW data.[详细]

2023-03-03 19:15 分类：问答
How to save and restore an audiounit's state as an audiounit host

I am writing an app that hosts apple system supplied audiounits. I would like to save the parameter states of an audiounit after a user has dialed them in and restor开发者_Python百科e them when the us[详细]

2023-03-02 20:32 分类：问答
How to read data from AudioQueueBufferRef->mAudioData

I\'m trying to read an Audio data from AudioQueueBufferRef->mAudioData. What I want to do is to print the buffer I read from the mic/file to the console.[详细]

2023-03-02 00:11 分类：问答
core audio callback, inTimeStamp at the beginning or end of recording

In core audio, when the recordingCallback is called: static OSStatus recordingCallback(void *inRefCon,[详细]

2023-03-01 17:44 分类：问答
Reading raw audio in iphone SDK

Hi I want to read and then want to perform开发者_高级运维 some operations on raw audio. What is the best way to do this?Audio File Services, Audio Converter Services, and Extended Audio File Services,[详细]

2023-03-01 17:01 分类：问答