Microsoft's Sound Mapper (which sometimes appears in audio applications as 'MME-WDM Microsoft Sound Mapper' or simply 'Wave Mapper') often becomes the default driver for both audio playback and recording after you install a new audio application, and it may if you've recently installed a new audio interface. However, it isn't really a driver, but a virtual device installed automatically with Windows, which simply results in your application using whatever default devices you've already chosen for both sound recording and sound playback in the Control Panel's 'Sounds and Audio Devices' applet.

It can be handy to select Sound Mapper in your audio application to enable an audio interface to run audio files at sample rates other than those the interface supports. For instance, attempting to play back an old 8-bit/11kHz multimedia file on ASIO drivers will often result in an error message, because most modern audio interfaces only support sample rates of 32kHz and above at either 16-bit or 24-bit resolution. However, if you choose Microsoft's Sound Mapper, it will use Microsoft's various codecs (coder-decoder algorithms) to convert this sample rate and bit-depth on-the-fly to one that is supported by your interface. In days of old, Sound Mapper could also be used to play back 16-bit files on 8-bit only soundcards, or stereo files on mono-only soundcards.


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This is certainly handy in an emergency, but except in these special cases choosing Sound Mapper can cause problems, because it may continue performing sample-rate conversion without telling you, even on files directly supported by your soundcard. Since no conversion is 100 percent perfect, this results in a reduction in audio quality, and some users have even reported clipping and drop-out problems after selecting it for playback.

However, it is not a real driver but a virtual device that is installed with Windows 10. This can let your app use any default device you have selected for sound playback and recording in Control Panel.

I am trying to record with the input sound and output sound with PyAudio. Looking through the PyAudio documentation (here) and I have determined that I will having to use the input, output, input_device_index and output_device_index variables to edit the result of my sound stream.

If you go to your system's sound settings, assuming its Windows, you will find a recording tab in the upper left hand corner. Upon clicking this, you'll also find a"Stereo Mix" icon which is normally disabled.

Also if you are using a DAW system like studio one to create your audio tracks for the videos and that program is open it will override your sound and cause it to give you the same error reading if you open sony vegas

I looked on google and people seem to have problems with this, but with other programs, and the solution for them is quite different. Apparently the fixes there were simply to change the input to Microsoft's Sound mapper in whatever program, or something along those lines.

In most cases (for example, the inbuilt computer sound device), each entry for recording device consists of the type of device (such as microphone), followed in parentheses by the name of the sound card manufacturer.

On GNU/Linux, recording is often managed by the pulse sound server. It is normally best to select "default". That will choose whatever is the system default sound card or server, then choose the exact input device required in the control application for the card or server (such as Pulse Audio Volume Control). The (hw:) recording devices give direct, lower latency access to the audio interface inputs, bypassing any sound servers. For a built-in (hw:) sound device, choose the exact inputs in ALSAmixer.

1 (Mono), 2 (Stereo) or the number of channels that are provided by the drivers of your sound device. On most inbuilt sound devices, especially on Windows, only mono or stereo will be available. For some devices on Windows, choosing "Windows DirectSound" or "WASAPI" in Audio Host may be more likely to reveal options for recording more than two channels. On some devices capable of recording more than two channels, an explicit "multi" device may appear in the Device dropdown for recording all the channels simultaneously.

In most other cases (for example, the inbuilt computer sound device), each entry for playback device consists of the type of playback device (such as speakers), followed in parentheses by the name of the sound card manufacturer (such as Realtek, Soundmax or IDT Audio).

On GNU/Linux, playback is often managed by a sound server or mixer such as pulse or dmix. It is normally best to select "default". This will choose whatever is the system default playback device or server. The (hw:) playback devices give direct, lower latency access to the sound card output, bypassing any sound servers.

You may be running outdated or incompatible drivers on your computer, especially if Windows 10 has been updated recently. As a result, you may not hear the sound properly due to issues with Sound Mapper. Follow the steps given below to resolve the issue-

The soundcard is a device that can be slotted into a computer to allow the use of audio components for multimedia applications. To do this, perform the steps below and make your soundcard or headphones or any other devices that you have as the default device for audio playback.

There haave been some sound issues with Windows and 3.1 posted both here and on github (Sonic Pi repository) recently. Usually they have result in Sonic Pi not starting at all, so yours is slightly unusual. Again the contents of the log files would be useful.

Upon exporting track to a wav , it creates a very quiet file as opposed to the volume while playing in Ableton Live .

I export my master channel of course, which db, frequencies and mastering are fine, sound wise. 


There's a limiter for 0 db on my master track; though I tried taking it off, using other limiters, normalizing upon export, changing values - and anything I could possibly think of. 

The wav file loses a lot of the track's volume.



Wav file is fine! The problem was on the other end - Winamp;

For some reason "Microsoft sound mapper" was highlighted.

Selected my sound card instead of "Microsoft sound mapper" in WaveOut settings - volume is up again.

Sib. 5.2: Audio Playback Trouble - No Sound

 Posted by Peter Roos - 08 Jun 07:50PM Hide picture Good morning everyone: 


Greetings from sunny and beautiful San Francisco. Last week I purchased a new soundcard for my laptop (Creative Blaster Xi-F, a little card that slides into the side of my laptop). It runs fine, and actually improves audio playback quality of music (especially MP3 files). It is not professional grade quality, but it is an improvement over my regular soundcard and it is the best I can get on my laptop without the hassle of external hardware. 


However, there is one problem when running with Sibelius: no sound!


I went through the procedure of "213: Playback - there is no sound." In the Audio Engine Options, I tried all the different drivers, with the following results (sorry for the long post):


- ASIO4ALL: sound via built in speakers (or headphones if I plug in headphone in regular headphones output, i.e., soundcard is bypassed) (note: when I push the ASIO setup button, after a restart, it lists Conexant High Definition (built in sound card) as active device)


- Microsoft Sound Mapper - Output (MME): sound via built in speakers (or headphones if I plug in headphone in regular headphones output, i.e., soundcard is bypassed)


- Speakers (SB Xtreme Audio Noteb (MME): sound via built in speakers (or headphones if I plug in headphone in regular headphones output, i.e., soundcard is bypassed)


- Speakers (Conexant High Definition Audio) (WASAPI): sound via built in speakers (or headphones if I plug in headphone in regular headphones output, i.e., soundcard is bypassed)


- Digital Output Device (SPDIF) (SB Extreme Audio Notebook): silence


- Speakers (SB Extreme Audio Notebook (Vista)) (WASAPI): silence


- SPDIF Interface (Conexant High Definition Audio) (WASAPI): silence


- Speakers Conexant High Definit (MME): silence


- Digital Output Device (SPDIF) ( (MME): silence


- SPDIF Interface (Conexant High (MME): silence


- Primary Sound Driver (DS): sound via built in speakers (or headphones if I plug in headphone in regular headphones output, i.e., soundcard is bypassed)


- Speakers (SB Xtreme Audio Notebook (Vista)) (DS): silence


- Speakers (Conexant High Definition Audio) DS: sound via built in speakers (or headphones if I plug in headphone in regular headphones output, i.e., soundcard is bypassed)


- Digital Output Device (SPDIF) (SB Extreme Audio Notebook): silence


- SPDIF Interface (Conexant High Definition Audio) (DS): silence



It would seem that somehow this soundcard is incompatible with Sibelius, and that I can only use the built in sound card. I checked for compatibility on online forums and there were people with problems, however I thought that compability issues were hardware related, not software (but what do I know).


Any clues anyone? 


Last, for your information, I run Sibelius 5.2 on my laptop (Windows vista home premium, 32 bit, 1.6 Ghz, 2 GB RAM, 106 GB disk); most of my libraries run on a slave computer (Windows XP pro, 2.4 quad core, 4GB RAM, 1.25 TB hard disks), both are connected through FX Teleport which sends midi from sibelius to the slave, and audio back to the laptop. For purposes of the audio playback trouble described above, by the way, it makes no difference whether I run Sibelius standalone with the built in Sibelius Essentials, or one of the libraries on my slave - same playback performance.


Thanks,


Peter


p.s. on the odd chance that Lewis Hamilton is lurking on this forum: now WHAT were you thinking?! 


p.s.2 on the equally odd chance that Kubica is lurking as well: congrats - great job. Back to top | Allthreads Re: Sib. 5.2: Audio Playback Trouble - No Sound

 Posted by Rob Tuley - 08 Jun 09:38PM Hide picture To check the really dumb thing first, did you go through all the steps to install the software that comes with the card, as well as just plug the card in? I assume the answer was yes ... ;-)


There are two links in the audio chain.


Sibelius (i.e. Kontakt Player) talks to ASIO4ALL, or to Windows MME etc, depending how you configure it. 


Then ASIO4ALL or MME talks to the sound card - or in your case they don't, apparently they are still talking to your on board sound chip.


Try disabling your the onboard sound (in Windows, or in the BIOS setup) That should kick Windows into finding the card next time you reboot.


I would have thought the card has its own ASIO driver (though maybe not a very good one). Certainly the older Creative soundcards had their own ASIO. Try reconfiguring ASIO4ALL, or uninstalling it and then reinstalling it.


Make sure Windows Media Player (not just the Creating mp3 player!) and the Windows OS startup sounds etc are playing through the card, before you try getting Sibelius to work.


-- 

Rob


Sib 4.1, Win98SE, Athlon 3100, 512Mb, Audigy Back to top | Allthreads Re: Sib. 5.2: Audio Playback Trouble - No Sound

 Posted by Peter Roos - 09 Jun 01:04AM Hide picture Thanks Rob.


Yes, I did install the software and drivers that came with it, although probably something went wrong - took a very long time and in the end it crashed. So today I reinstalled everything, and now the sound is back, after some steps: 


After reinstalling everything, at first everything but Sibelius was silent (no windows sounds, no playback of mp3 or wma files). One step forward, two steps back. 


I ran a standalone asio4all setup test device seemed to be working properly. 


I then went to control panel (I run vista on my laptop, not sure what the equivalent is in xp) > Sound > Manage Audio Devices and clicked on "Speakers - SB Extreme Audio Notebook (Vista)" as the default device ("Digital Output Device (SPDIF) - SB Extreme Audio Notebook (Vista) was the default device). 


However, I now have pops and cracles, and sound dropping off. In the Audio Engine Options panel, the lowest buffer size I can set is 4096. Any higher makes it even worse. The button ASIO setup is not highlighted. 


Any clues? Back to top | Allthreads be457b7860

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