Re: Voice Activated Recording
Re: Voice Activated Recording
- Subject: Re: Voice Activated Recording
- From: Bob Ingraham <email@hidden>
- Date: Fri, 29 May 2009 16:27:23 -0600 (MDT)
Thanks! That's great news!
One question:
What part of the API did you use to implement the actual voice-detection?
Thanks,
Bob
----- Original Message -----
From: "Alex Kac" <email@hidden>
To: "William Stewart" <email@hidden>
Cc: "Bob Ingraham" <email@hidden>, "Apple CoreAudio-API" <email@hidden>
Sent: Friday, May 29, 2009 4:03:47 PM GMT -07:00 US/Canada Mountain
Subject: Re: Voice Activated Recording
yes. we did it easily with audioqueue.
On May 29, 2009, at 4:21 PM, William Stewart wrote:
> AUHAL could be used for this.
>
> Even easier though, I think you should just be able to use and
> AudioQueue
>
> On May 29, 2009, at 1:39 PM, Bob Ingraham wrote:
>
>> Hi All,
>>
>> I'm trying to put together a CoreAudio app that would start
>> recording from an input, triggered by speech (kind of like those
>> voice-activated tape recorders.)
>>
>> The order of ops would be:
>>
>> 1. Open an audio input for recording to a file.
>> 2. Do nothing while detecting silence.
>> 3. Upon detecting non-silence, start recording to said file.
>> 4. Stop recording after x seconds of silence.
>>
>> Is it possible to construct a CoreAudio app with the standard-issue
>> AU's shipped with MacOS 10.5.x?
>>
>> Or do I have to make a custom AU to do this?
>>
>> Any pointers on where to start or how to go about this would be
>> much appreciated!
>>
>> Thanks,
>> Bob Ingraham
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