Waveform audio interface problems (waveIn* waveOut*) - Windows Mobile Development and Hacking General

Hi all!
Now I'm working on small audio library for PocketPC. Library using waveform audio interface (waveIn* and waveOut* functions). I have big problem with full duplex audio. Whem I'm open audio device for input, the sound from microphone is playing on the speaker. If I start playing some another sounds - they are mixing with input sounds. I want to separate input audio stream from output audio stream. Device doesn't have mixer, mixerGetNumDevs returnes 0, and mixerOpen also fails.

I have just the same problem. One workaround is to lower the sound volume level, the second is to use some echo canceller. The only echo canceller source code I have uses lots of floating point functions, so it is extremely slow on Pocket.

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Audible books sound problem

Hi all,
I loaded the audible software on the Touch Dual and all is great except when using my bluetooth headphones I only hear sound from one side, I found a section on there website that explains the problem but I was wondering if anyone has seen a fix for this???
Here is what was on the web site:
"If you are only hearing sound out of one earphone while listening to your Audible books on your PDA, this is due a limitation within the device itself. Audible audio books are recorded in a mono audio format which provides the benefit of keeping the audio file sizes to a minimum. There are a few devices that are unfortunately not able to duplicate the sound, from the mono audio playback of Audible titles, into both sound channels during the decoding process. This will result in the sound only being heard from one headphone.
While we are working on attempting to adapt our AudiblePlayer software to circumvent this problem, we currently do not have a time frame as to when this addition may be complete. We do apologize for any inconvenience this may cause you."

wizard Audio question

Is it possible to listen to mp3 or any type of audio output on the wizard without the use of headphones?
I would like to listen to audio content without using headphones of any kind.
Can i use the wizad builtin speakers? If so how?
thanks in advance
um, just play it? The sound output will automatically redirect to either headphones or speakers, if you don't have headphones plugged in
tried but no luck
I tried what you recommended but still cannot hear any sound, either from video or audio sources.
generaly such issues are operator based not phone based
Audio problem solved
In comm manager the ringer setting was on vibrate. Set it to ring and I was able to listen via internal speakers. Im feeling a bit stupid.

Routing Audio to Phone Speaker

Hello everyone:
I'm developing an application which is playing audio and recording at the same time. The problem is that if I don't use earphones/headsets the output audio feeds the input and so on, so it's not possible to go this way for a long time.
I am willing to play the audio through the same speaker that the PHONE application does it which is located in the front of most devices and reduces the feedback of the audio.
I have had a look at audio routing the way BAG0 device does with Bluetooth headsets; however it doesn't seem to work for the purposes I need.
Does anyone have a clue?
Thank you so much in advance,
mindless

Directing sound to specific output for application

Hi,
I'm often listen to music from my android device that is connected through jack cable to car audio, but simultaneously I also use navigation. Now when there is any communicate from navi - the music is paused and the prompt is heard in car speakers. Is there any way to make the music not stop and the navi sound to be announce through phone speaker?
The same thing with BT A2DP connection.
Thanks in advance
The Way Hardware Access is enabled in Android Kernel, it controls only one Channel to route output to. So you can't have one app using one output and another app using another. Perhaps when we get 64 bit Android, on 64 bit devices, that might be an option.
Is it then possible to route a channel from headphone to phone speaker when specific application is requesting sound output? E.g. music is played through headphones and when a navi prompt - music is paused, navi output goes through phone speaker and after its finished - music unpause and goes again through headphones.
It is not a problem when music and navi announcement are played through car speakers, but when I change the source in car radio from aux to e.g. tuner or cd - all notifications from android device are cutted off from any speaker.
Maybe there is a way to switch output using Tasker, so that when a music app is playing - sound goes through jack, and when music app is closed - sound goes through phone speaker.
Certain Rom Developers have tweaked their Roms to Override Bluetooth output. Especially when the Ring goes off. Can you please specify what device do you have ?
I have LG G2 with Cyanogenmod 11.
I also have one application for speed camera warning, in which I can set the audio channel. By default it is "music", so when there is a BT audio connection (or headphones) - every sound goes through BT (or headphones) , but when I set the channel to "alarms" - music goes through BT (or headphones) and sound from this app through phone speaker. So the channel switch is possible, but unfortunately it has also an issue. When this app is requests sound output - the music over BT (or headphones) is paused and audio is switched to phone speaker, but the process is lagging and the prompt is cutted so I can't hear the whole announcement.
Maybe the best solution will be an app that can manually switch the audio channel, so when I want to listen to music - audio goes through headphones, and when I will close music app - audio will goes through phone speaker without the need to remove jack.
moved to the G2 help forum.

External *stereo* microphone for both video and audio only recording?

Does anyone have any experience in regard to connecting external microphones to the OP5?
The idea behind this is that I want to record classical music with a high dynamic range without any compression or clippings. I'd like to record myself playing the piano both with an HD video and good audio quality or just use it as an audio-only recording device for concerts etc. In the end I'd like to have a recording that gives me at least uncompressed PCM-audio at 16Bit and 44.1kHz as CD quality stereo tracks.
The microphones in question could either be small binaural microphones or a semi-professional setup with a pair of Neumann U67/87 and I'd like to know whether the OP5 can make native use of those microphones, i.e. using its own Analog-to-Digital converter, or whether it is necessary to directly feed a pre-processed digital signal to the phone via USB.
Any pointers to an existing discussion are welcome, just as much as your personal experience, tips and tricks for this kind of set up.
Hi, I have been looking and looking, and it seems that the default camera app doesn't support external mics, but a 3rd party app does, like open camera, but for me, it zooms in a lot when recording.... it sucks
I can now state that it is possible to use external microphones.
I've bought a microphone pre-amp UR22-MK2 by Behringer that puts out a digital signal via USB an using a USB-To-GO adapter, I can feed this into the OP5. The stock camera automatically detects this external audio source and uses it, deactivating the internal microphones.
Unfortunately there are sometimes audible clicks, which do not occur when I record on a PC from the Behringer input. I suspect it's small hickups due to compressing the audio track while recording into an MP4 container.
I wish there was a video app that lets me define lossless audio recording.

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