core-audio

相关标签：javascript jquery android 多少钱 iPhone

AudioStreamBasicDescription for mp3

I have an Audio Queue working to record PCM, but I cannot get it to work for mp3. When I change the mFormatID to kAudioFormatMPEGLayer3, my callback function is never fired. I am usi开发者_开发知识库n[详细]

2023-03-09 19:42 分类：问答
Selecting input mic for Mac Audio Queue Services?

I am currently using the Mac OS X Audio Queue Services API for audio recording and sound analysis.Works fine using the default mic input.[详细]

2023-03-09 04:16 分类：问答
Play and render stream using audio queues

I\'m currently playing a stream on my iOS App but one feature we\'d like to add is the visualization of the output wave. I use an output audio queue in order to play t开发者_如何学Gohe stream, but hav[详细]

2023-03-09 02:59 分类：问答
How to programmatically list processes currently using the default sound output on Mac OS 10.6

I would like to know if there is a programmatic way (public API, terminal command, AppleScript, etc.) to list all processes currently playing sound through the default sound output in Mac OS 10.6 ?[详细]

2023-03-08 16:25 分类：问答
Audio Plugin Implementation

Does anyone kno开发者_运维百科w about some sample code that illustrates the implementation of an audio plugin for iOS?There was an AUPlugin.h header for iPhone SDK 3 that seemed to permit you to creat[详细]

2023-03-08 13:31 分类：问答
ios core audio: modifying aurioTouch to save pcm data

As an exercise, I\'m trying to modify aurioTouch so that it saves the first 60 seconds of PCM that come in through the mic.I\'m avoiding higher-level libs because I want to build some low-latency real[详细]

2023-03-08 12:54 分类：问答
How to Implement Buffering in the Multichannel Mixer on iOS?

Im Using the MixerHostAudio to load Several Audio Files at the Same Time. I Cant load the Whole files to the memory because the APP CRASHES![详细]

2023-03-08 07:51 分类：问答
How to test for equality of audio sessions

I am trying to use the Windows Audio Session API to locate the default audio session within the enumeration of current audio sessions.Currently I have a reference to the IAudioSessionControl of the de[详细]

2023-03-07 11:05 分类：问答
iPhone Audio Modifications (filters/effects)

I am developing an app where the user can record their voice, and then alter it in some way. I have implemented OpenAL, and I am able to adjust the pitch to speed up and slow down the audio file. The[详细]

2023-03-07 07:14 分类：问答
How is SndVol able to change the volume level of a given audio session?

I am writing my own API to perform some of the functionality of the SndVol system utility. I would like part of this API to be the ability to set the volume level of a given audio session.[详细]

2023-03-07 04:06 分类：问答