Stuttering in audio with VPIO
Stuttering in audio with VPIO
- Subject: Stuttering in audio with VPIO
- From: Pier <email@hidden>
- Date: Tue, 15 Jan 2013 01:44:05 +0800
| Hi,
I'm recording several audio tracks with the VPIO input. I've been experimenting and realised that the sound is significantly better when I set the kAUVoiceIOProperty_VoiceProcessingQuality above 63. On the iPhone4 it also resolves my issue of the volume not being loud enough. However, when I set the quality above 63, I hear stutters in my playback. I'm running using AUGraph :
Source : VPIO in MultiChannelMixer (4 inputs) -> VPIO out
// Quality UInt32 flagnvaw = 65; // 63 is the best it will go without stutter status = AudioUnitSetProperty(_remoteIOUnit, kAUVoiceIOProperty_VoiceProcessingQuality, kAudioUnitScope_Output, 0, &flagnvaw, sizeof(flagnvaw));
With one track it's ok, however when I record the 2nd track it stutters and the playback is distorted.
Anyone here has experience with this? How did you resolve the issue?
Thank you. |
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