Android Sound Capture in WAV format
ali.lloyd at livecode.com
Tue Oct 17 11:05:42 EDT 2017
The Android MediaRecorder class does not support WAV unfortunately. There
may be some third party libraries you could use to achieve this - including
third party jar files will be possible once this PR is merged:
On Tue, Oct 17, 2017 at 10:14 AM Peter Reid via use-livecode <
use-livecode at lists.runrev.com> wrote:
> Since Ali got sound capture for Android working, I'm trying to see if it's
> possible to output the sound in WAV format instead of MP4 format. I'm
> trying to compare 2 sounds (1 prepared previously against 1 captured on the
> Android device) and it seems to be easier to compare them if they are both
> uncompressed WAV files. Looking at the various parameters in the library,
> I can't see how to set it up to output in uncompressed WAV format. Here is
> the initialisation code I'm using:
> androidRecorderSetRecordInput "Mic"
> androidRecorderSetRecordCompressionType "AMR NB"
> androidRecorderSetRecordFormat "ThreeGPP"
> I can't see which alternatives for CompressionType (AMR NB) and Format
> (ThreeGPP) will give me uncompressed WAV files. Am I missing something or
> does the library need updating to support WAV (if this is possible)?
> Peter Reid
> Loughborough, UK
> > On 16 Sep 2017, at 11:00am, use-livecode-request at lists.runrev.com wrote:
> > Message: 1
> > Date: Fri, 15 Sep 2017 11:53:17 +0000
> > From: Ali Lloyd <ali.lloyd at livecode.com>
> > To: How to use LiveCode <use-livecode at lists.runrev.com>
> > Subject: Re: Android Audio Playback & Recording
> > Message-ID:
> > <
> CAJR0Q1jJp_yD819UBjWBmJMZwB+2Z5SMiaetJ1DWKFHH_611cQ at mail.gmail.com>
> > Content-Type: text/plain; charset="UTF-8"
> > Hi All,
> > Firstly thanks to Peter Reid for discovering that the foreign bindings in
> > that blog post were out of date! I have updated the blog accordingly. I
> > took the liberty of tidying up the LCB code, and adding docs and a sample
> > stack - you can check them out here (for now)
> > https://github.com/livecode/livecode/pull/5941/files
> > The library should be included in 9.0 DP 9.
> > Cheers,
> > Ali
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