Play sound from ByteArray

Ok, so I'm trying to record sound from a microphone, allow the user to preview the sound, then compress the sound to mp3, and upload the mp3 to the server. I've gotten everything to work except for allowing the user to preview the sound. The microphone records a raw byteArray, but the Sound class can only play a URL request. I've type-casted the byteArray to a Sound class, I've compressed it to mp3 and type-casted it, but it doesn't work. I can send it to the server, and then request the server and play it, but this isn't optimal. Does anyone know how to play an uncompressed byteArray generated by the microphone?

I think you want to use the sampleData event from the Sound object.

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Playing sound from multiple applications?

Hi, I recently started using Arch and I'm loving it but I have one problem. My ALSA can only play sound from one application at a time, so I have to use pulseaudio for the others. But pulseaudio doesn't recognize my mic so I can't remove ALSA. ALSA just says "device busy" or something. And yes I tried to search before posting but didn't find an answer.
Thanks

This is what I found from the logs:
Jul 18 21:38:34 arch pulseaudio[946]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jul 18 21:38:34 arch pulseaudio[946]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jul 18 21:38:34 arch pulseaudio[946]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jul 19 00:53:54 arch pulseaudio[946]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 19 00:53:54 arch pulseaudio[946]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 19 21:59:22 arch pulseaudio[963]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jul 19 21:59:22 arch pulseaudio[963]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jul 19 21:59:22 arch pulseaudio[963]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jul 20 02:35:47 arch pulseaudio[963]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 02:35:47 arch pulseaudio[963]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 12:22:05 arch pulseaudio[981]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 12:22:05 arch pulseaudio[981]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 20 12:22:05 arch pulseaudio[981]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 21 01:25:49 arch pulseaudio[953]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jul 21 01:25:49 arch pulseaudio[953]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jul 21 01:25:49 arch pulseaudio[953]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jul 21 14:33:44 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 21 14:33:44 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 21 14:33:44 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 22 01:58:04 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 22 01:58:04 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 22 02:20:11 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 22 02:20:11 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 22 02:48:30 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 23 00:21:44 arch pulseaudio[973]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jul 23 00:21:44 arch pulseaudio[973]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jul 23 00:21:44 arch pulseaudio[973]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jul 23 11:43:46 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 23 11:43:46 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 23 11:43:56 arch pulseaudio[973]: alsa-sink.c: Error opening PCM device front:0: Device or resource busy
Jul 24 03:05:32 arch pulseaudio[954]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jul 24 03:05:32 arch pulseaudio[954]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jul 24 03:05:32 arch pulseaudio[954]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
And yes I have gstreamer.
Last edited by nerdster (2011-07-26 00:35:45)

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regards,
Peter

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<br />
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DIV_beepSoundContainer.init();
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<br />
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How do you use the keyboard to play sound from a button?

I am building a site for a client who wants to be able to
press a keyboard button such as the "up" button and have it play an
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not that great at actionscript. It would be greatly appreciated if
someone could show me what I would have to do to achieve this
affect. I was looking around the web and saw something that said I
might need an eventlistner. I am com,pletely lost! All help
welcome. Thanks. Here is an example of exactly what I am trying to
achieve, the only difference is it doesnt need to be complicated
and I only need it to work for 3 buttons.
http://www.ababasoft.com/music/drums01.htm
http://www.kenbrashear.com/

dasaimedia wrote:
> I am building a site for a client who wants to be able
to press a keyboard
> button such as the "up" button and have it play an
instrument sound. I am
> fimiliar with html and css coding but i am not that
great at actionscript. It
> would be greatly appreciated if someone could show me
what I would have to do
> to achieve this affect. I was looking around the web and
saw something that
> said I might need an eventlistner. I am com,pletely
lost! All help welcome.
> Thanks. Here is an example of exactly what I am trying
to achieve, the only
> difference is it doesnt need to be complicated and I
only need it to work for 3
> buttons.
http://www.ababasoft.com/music/drums01.htm
>
http://www.kenbrashear.com/
Many ways to achieves that. You can make a movie clip with
(for 4 sounds) 5 frames.
Frame 1 stop(); to prevent it from running. Frame 2 attach
your sound, frame 3 another
sound, frame 4 and 5 same. Give that movie clip instance name
"soundCLIP" Now all you
need is to add key listener to timeline frame so you can
capture the key and go to
corresponding frame of the movie clip to play your sound.
var keyListObj:Object = new Object();
keyListObj.onKeyDown = function() {
switch (Key.getCode()) {
case Key.LEFT :
soundCLIP.gotoAndStop(2);
break;
case Key.UP :
soundCLIP.gotoAndStop(3);
break;
case Key.RIGHT :
soundCLIP.gotoAndStop(4);
break;
case Key.DOWN :
soundCLIP.gotoAndStop(5);
break;
Key.addListener(keyListObj);
Best Regards
Urami
<urami>
If you want to mail me - DO NOT LAUGH AT MY ADDRESS
</urami>

Can't play sound from multiple programs

So I have this new shiny box running Arch64 with a ASRock N68-S motherboard. I installed alsa and I am able to play music just fine using amarok or mpd. However, when I try playing two sounds at once, there is a short pause and the first program becomes silent, and then the second kicks in.
According to the wiki, dmix should work automatically with this version of alsa. I tried seting up dmix "the old way" using /etc/asound.conf (hey, you never know) but no luck either.
Lspci lists my card as
00:05.0 Audio device: nVidia Corporation MCP61 High Definition Audio (rev a2)
I figured this was a bit vague and went to the manufacturer's site and found out the actual name is
5.1 CH Windows® Vista™ Premium Level HD Audio (Realtek ALC662 / VIA® VT1708S / VT1705 Audio Codec)
The Alsa wiki suggests to test dmix using these instructions but this simple test fails miserably, alsaplayer windows show up and complain "no stream found". So it seems and one of the unlucky few for which dmix doesn't just work.
However, OSS4 works with hardly no setup. But I just don't want to use it since most applications aren't OSS-aware, there is no KDE integration and so on.
What sould I do? I'd happy to report a bug upstream if necessary but I realised audio in Linux is way more complicated than previously thought and I'd rather make sure I haven't over looked something. I'm so confused I can't tell what my actual soundcard vendor is: nVidia, Realtek or Via?
edit: oh and of course, nothing of interest in /var/log/everything.log
Thanks!
Last edited by eldalion (2010-02-21 17:28:53)

eldalion wrote:I tried seting up dmix "the old way" using /etc/asound.conf (hey, you never know) but no luck either.
Not necessary. ALSA supports dmix by default. Don't edit that file.
Let me explain what's happening. mpd has a stupid default config, of using OSS rather than ALSA. And OSS screws up dmix.
For example, my ~/.mpdconf is:
music_directory "~/gnutella/downloads/Cool"
playlist_directory "~/.mpd/playlists"
db_file "~/.mpd/mpd.db"
log_file "~/.mpd/mpd.log"
error_file "~/.mpd/mpd.error"
audio_output {
type "alsa"
name "Sound Card"
options "dev=dmixer"
device "plug:dmix"
Try that, to prove to yourself that I'm right Also use this good debugging command, from the same ALSA wiki entry (because I put it there):
fuser -v /dev/snd/* /dev/dsp*
eldalion wrote:What should I do?
Step 1: File a bug with your distro, for the app (mpd) to default to ALSA instead of OSS. Defaulting to OSS these days is ridiculous - ALSA is the standard sound system in Linux, and that's not gonna change.
Please do this. I'm not doing this, because I don't use Arch or mpd any more.
Step 2: File a bug upstream, to default to ALSA instead of OSS.
Edit: I notice that Ubuntu has the right idea:
* Update mpd.conf from upstream
- Configure an ALSA output by default
Last edited by brebs (2010-02-23 07:56:16)

Play sound from ByteArray

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