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Making a multi-track recorder in Flash part 2

On Tuesday night I did a last minute ad hoc presentation to FlashBrighton to share the experiments I’ve done with the microphone capabilities of FlashPlayer 10.1. You should be able to see the recording at live.flashbrighton.org (if it’s not there, bear with us while we try to get it working). Click “media” to see the […]

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Making a multi-track recorder in Flash

Original Photo : PhotoCapy I’ve been playing with the Flash microphone input to record and playback multiple tracks. I thought it’d be really easy, but sadly it’s been really really tricky. The main problem is to do with knowing exactly when data from the microphone was recorded, particularly relative to when some audio was played! […]

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ActionScript SoundDataEvent.position

… is measured in samples. Not bytes or mils. So if you want to know how it relates to the ByteArray you’re working with, you need to multiply it by 4 (as each floating point sample requires 4 bytes). And if you want to convert it to mils, you need to divide by 44.1, the […]

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ActionScript SoundChannel.position

… is measured in milliseconds. Why do I mention this? Because it seems to have been entirely omitted from the ActionScript live docs and it took me a while to figure it out. Maybe this post will save someone some time in the future. 🙂 [UPDATE] I just noticed that this is actually specified in […]