Fluidsynth error the default audio device is used by another application. You can access the synthesizer through the console.

Fluidsynth error the default audio device is used by another application Fix No Sound, This Device Is Being Used by Another Application Windows 11/10 [Guide] The audio device on your Windows computer can simultaneously play audio from multiple sources. portaudio. device default audio. If not, consider adding more details to the question. c, fluidsynth_register_adriver. Control Panel > System and Security > Administrative Tools > Computer Management > Device Manager > Sound, video and game controllers > (Your audio output driver) > Driver > Roll Back Driver May 12, 2020 · fluidsynth: debug: Using 'winmidi' midi driver fluidsynth: debug: Testing midi device: Hilo Virtual MIDI In fluidsynth: debug: Testing midi device: USB MIDI Interface fluidsynth: error: Device <USB MIDI Interface> does not exists Failed to create the MIDI thread; no MIDI input will be available. Since my computer has TWO Sound Blaster cards, it has the capability for handing FOUR channels of audio via TWO audio devices -- on one each SB card. Audio and Soundfonts Can I use my own custom soundfont? Yes, you can use a custom soundfont by updating the SF2_PATH in the configuration: Place your . device option. output-channels 2 audio. If you hear audio and see the visualization, your installation is working properly. Anyone have any idea what could be going on? Is there any way of knowing what's gotten control of a device? Jan 3, 2019 · As the title says : When I try to use the dmix alsa device in an attempt to have the alsa sytem used by more then one application and not have it blocked by Fluidsynth, I get this error message from Fluidsynth : Failed to find a workable 6 days ago · Installing and configuring Fluidsynth backends in jOrgan 3. To specify the audio driver FluidSynth will use, supply the -a DRIVER option. Status=-66748 Failed to create the audio driver any ideas how to fix it? Oct 30, 2021 · ALSA is setting HDMI1 as the default. We'v The PA device names used by FluidSynth are different from one machine to another; they cannot be considered part of the API. Keep reading to learn how to resolve the issue!… Jan 3, 2023 · Are you facing the 'This Device Is Being Used by Another Application' error on Windows 10 or 11 PC? Here's how to find and close that app. The default value can be overridden during compilation time by setting the DEFAULT_SOUNDFONT cmake variable. polyphony=64 If you get problems with unsteady playback or the audio cutting out then try closing all other programs, All other Fluidsynth MIDI and audio drivers report the audio devices as settings options encoded as UTF-8 except the Wasapi driver, that uses the default windows codepage. server" and "audio. Th Aug 29, 2020 · The Windows Audio device graph isolation and audiodg. midi sequencer) and then generates in realtime a musical audio output that corresponds to all the midi notes being played. driver') fluidsynth_setting_default ('synth. Creating the audio driver is straightforward: set the audio. For example using an audio device with 3 stereo outputs, you need to set the following options in command line "-G 3 -L 3" which is equivalent to synth. Similarly the general-MIDI application might request an 'Oboe' sound, but that will sound different depenting on which soundfont the user prefers. g. driver dsound audio. Jan 17, 2025 · Encountering the message "This device is being used by another application" can be vexing, but with the ten fixes outlined above, you should be equipped to resolve the issue effectively. To specify the buffer size this device should accept, supply the -o audio. device default player Mar 2, 2016 · The audio connection is broken when FluidSynth is done with playback (i. winmidi. The easiest way to start the synthesizer is to give it a SoundFont on the command line: 'fluidsynth soundfont. audio device The audio device to use, leave blank to use the default or select one of the available options depending on the selected audio driver. driver or -a flag. If jack is also used as audio driver and "midi. driver dsound > audio. sample-rate') DESCRIPTION fluidsynth is a real-time MIDI synthesizer based on the SoundFont (R) 2 specifications. Step 1: In Device Manager, right-click your audio device and choose Update driver from the context menu. driver settings and create the driver object. 18 and upwards. exe may cause the problem of another application controlling your sound error, so try to end these two processes. Jun 16, 2019 · If to run pianobooster-fluidsynth after pianobooster-timidity then fluidsynth: error: The "plughw:0" audio device is used by another application Sep 30, 2025 · Run FluidSynth with the --help option to check for changes in the list of options. FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has reached widespread distribution. This is a common problem with an easy solution. 1. Unfortunately, the sound effects don't always work (hear footsteps only part of the time) - I don't know if this is related to the soundfont file or not. It looks like ALSA - the Linux sound driver - is somehow mistaking your MIDI controllers for sound output devices and choosing them as the default sound device when you start up the script with one or both of them plugged in - that's why you're getting messages like: Before you can use the synthesizer, you have to create a settings object. exe properly; but implementation for wasapi fetched the widechar names then Sep 11, 2021 · Sep 11 14:25:29 statPC fluidsynth[4387]: fluidsynth: error: Failed to open the "default" audio device Sep 11 14:25:29 statPC fluidsynth[4387]: Failed to create the audio driver. What do I need to do to set Headphones to the default device? No, I do not have Pulse Audio installed and will not install it as at the current time, it does no play nice with an application that accesses the Proficio and audioinjector devices. I downloaded the binary, extracted the BIN folder, copied it to C:\Program Files\FluidSynth, and tried running the executable. buffers This is currently only an indication; the audio driver may ignore this setting if it can't handle the specified format. Oct 1, 2020 · Later you could do further tests with more that one stereo output, but of course this require an audio device with more than one stereo output. Nov 22, 2022 · Reads like it's starting before the sound server you're using is ready. That's intended for the fluidsynth executable. Jan 1, 2010 · Before you can use the synthesizer, you have to create a settings object. 0 concerning developers: all public delete_* functions return void and are safe when called with NULL Sep 8, 2024 · set 08 18:27:32 dogstation fluidsynth[1800]: fluidsynth: error: Failed to find an audio format supported by alsa set 08 18:27:32 dogstation fluidsynth[1800]: Failed to create the audio driver. driver') fluidsynth_setting_default('synth. If I The above error is generated when one or more MIDI Devices cannot be enabled. driver. Mar 2, 2016 · The audio connection is broken when FluidSynth is done with playback (i. and get failed to create alsa error. Other people may have even more . Feb 3, 2023 · Update the Audio Driver “Windows 10 HDIM output the device is being used by another application” can be caused by a faulty or incorrect audio driver. It's often used as a standalone application, an embedded library, or a sound server for other programs. Expected:1 found:0 fluidsynth: error: Device "default" does not exists Failed to create the MIDI thread; no MIDI input will be available. c, and fluidsynth_simple. However, like any software, they can run into issues that interrupt our computing experience. However, I didn't need to do that in the past. id", because a client cannot have multiple names. This is error is often a case of incorrectly configured Windows Audio service. autoconnect is set to 1 and you didn't have a MIDI controller connected or it wasn't detected because it's being used by something else. Creating the audio driver Using the synthesizer without an audio driver Sending MIDI events Creating a real-time MIDI driver Loading and playing a MIDI file Fast file renderer for non-realtime MIDI file rendering Playing a MIDI file from memory Real-time MIDI router Using the MIDI sequencer Shell interface Multi-channel audio rendering May 16, 2007 · Ahoy! I'm using pure ALSA (no pulseaudio) and I have a problem that when I start Fluidsynth I have no sound anymore. Key features include support for various audio drivers (such as ALSA, PulseAudio Control your audio in Windows 11: Learn how to set different output devices for individual applications in simple steps. e. The MIDI events are read from a MIDI device. This error generally occurs when the MIDI device driver is in use by another application. Fluidsynth now gives me an error fluidsynth: error: The "default" audio device is used by another application as far as i know nothing else is running and it worked last night. !default { type hw card 0 } ctl. Examples: example. Introduction fluidsynth is a software music synthesizer that reads midi input events either from a midi piano keyboard or from a software application (e. name fluidsynth Jan 16, 2023 · FluidSynth version 2. One result in performance was that the latency became worse. Please close any devices that are playing audio" error? Let's fix it. conf file: [midi] mpu401=intelligent mididevice=default midiconfig=128. fluidsynth: error: The "default" audio device is used by another application Failed to create the audio driver My asound config looks like this: pcm. /*! \page CreatingAudioDriver Creating the audio driver The synthesizer itself does not write any audio to the audio output. 1 Current behavior fluidsynth: error: not enough MIDI in devices found. jack. ) Aug 25, 2025 · Examples # List available settings: fluidsynth_setting_list () fluidsynth_setting_options ('audio. c:819: (snd_pcm_dmix_open) unable to open slave fluidsynth: error: The "default" audio device is used by another application Failed to create the audio driver Jan 11, 2023 · If the sound on Windows 11/10 is not working and you're facing The device is being used by another application error, here's the fix for it. Nov 30, 2021 · "Soundfonts are like text fonts, but for sounds. Feb 1, 2019 · The user decides which driver to start by setting audio. ALSA lib pcm_dmix. Presently, MidiTzer's implementation of FluidSynth only allows for a single, non-configurable, stereo audio device (presumably the Windows default one). Note: waveout is available since fluidsynth 2. name fluidsynth. sample-format 16bits midi. c, fluidsynth_arpeggio. format s16 > audio. Jul 11, 2014 · When I start FL Studio there is no sound coming out of my speakers or headphones. This allows to map MIDI channel on separate output. https://wiki This allows application developers to manage the audio output themselves if they wish. The default soundfont file to use by the fluidsynth executable. Returns The new audio driver instance. So, yeah, I'm open to change this. alsa. One thought about 2. When I open the ASIO panel, the WDM device list shows my Realtek audio output (default/built in) is unavailable. The next section describes the use of the synthesizer without an audio driver in more detail. c, fluidsynth_metronome. Jun 25, 2024 · I'm sorry if I am missing something basic, but I cannot for the life of me find any information as to how to use FluidSynth on Windows. periods 8 audio. A user application is free to implement a fallback for audio drivers. I also have a special setup of jack and always use alsa when quickly wanting to test fluidsynth. Upon testing the connection, they found that a message was displayed showing “ The device is being used by another application. sf2'. Software synthesizer based on the SoundFont 2 specifications - FluidSynth/fluidsynth when i try setting hw:0,0 i get error message saying that - audio device is used by another application. type auto audio. In order to use sdl3 as audio driver, the application is responsible for initializing SDL's audio subsystem. lib and dsound. driver</code> settings tried to run it under KDE (in a Konsole su root). server" are equal, this setting will be overridden by "audio. Clicking this “Test” brings up a message box which says, “This device is being used by another application. I simply want it to be my default MIDI device for playback, not recording. Feb 4, 2019 · If one of the answers below answered your question, the way this site works , you'd "accept" the answer, more here: What should I do when someone answers my question?. Oct 26, 2019 · Many users are reporting that while connecting their devices to an external display using the HDMI jack, they found that the audio would not play on their system. This device can be an emulated sound device or a software synthesizer, or an actual hardware device such as a soundcard or a hardware MIDI synthesizer. Easy fix is to adjust the service file to depend and wait for the relevant server implementation to be there. Please close any devices that are playing audio to this device and try again. h to get it to work? > > It show exactly as in W7: > > audio. The audio drivers are a high-level interface to connect the synthesizer with external audio sinks or to render real-time audio to files. 04. period-size. In Vegas Pro 11 I set the audio device to UR22 and set MIDI input and output to UR22 and I DON'T get the error messages: The output device Steinberg UR22-1 is in use by another application. period-size 512 audio. This guide is intended to help ease the transition. Jul 10, 2025 · Facing 'This device is being used by another application' on your Windows PC? Here are some troubleshooting steps to help fix this issue. And below that is says "In use by another application?". </desc> </setting Feb 20, 2018 · FluidSynth version 1. g keyboard / pads) attached to the computer (e. In this case, you can try to update the driver to fix this issue. Jan 17, 2025 · "This Device Is Being Used by Another Application": 10 Fixes for Windows Windows operating systems have established themselves as the most widely used platforms for personal computers, providing users with a myriad of features and applications. after checking the codes, it seems implementations for waveout and dsound will use the ANSI version win32 api to get the device names, so the ANSI encoded names can be displayed in windows cmd. Yet, you may face this device is being used by another application sound Apr 4, 2023 · However, at times, the audio stops playing with the error "this device is being used by another application". b)Another example is to be able to benefit of the available latency on a specific OS host audio driver. The sound is ren- dered in real-time to the sound output device. USB or Bluetooth) or received over a network, Check event viewer and see if it gives any hints on what application steals/locks the device before Voicemeeter manages to grab it. fs. Apr 4, 2025 · What causes "the device is being used by another application. The peak meter shows there's sound but there is no output. Jul 19, 2025 · The sound bank format used by this synth (and also by later synth's like Sound Blaster Live! and Audigy2 for backward compatibility) is known as SBK - a predecessor of the SF2 standard, whose implementation was heavily defined by its hardware. Jan 18, 2024 · Are you tired of seeing the error message 'This Device Is Being Used by Another Application' on your Windows screen? Don't worry, we've got you covered! Aug 25, 2024 · Introduction Linux is a great OS for MIDI. So, simply closing other applications that might be using sound and turning off the option that allows other applications to take control of your device should solve the issue. ” If your fluidsynth application is set to use alsa as driver, the sound card will be accessed directly and PulseAudio and applications using PulseAudio will not be able to work properly. Synthesizing MIDI data from another application, recording the output to an audio file, The MIDI data for either of the above can be received from an application, or a MIDI controller device (e. fluidsynth Did you get the " Output device is being used by another application in exclusive mode " message when configuring Voicemod through the Audio Wizard? If you are receiving a warning like this in the Voicemod Audio Wizard on Voicemod V2: Or the following message on Voicemod V3: "Can't start a main stream, error_code=-999, descr=Untanticipated host error" It means that another program is using The Preferred device in the global settings Audio tab, or the Music device in the game-specific settings Audio tab, specifies the device that ScummVM uses to output audio. Jul 30, 2014 · The “Advanced” Tab displays the default format: 16 bit, 48000 Hz (DVD Quality) and a “>Test” button. Feb 6, 2022 · Stupid Windows update. It show exactly as in W7: audio. device=plughw:0 -o synth. It can be used to render MIDI input or MIDI files to audio. Nov 19, 2021 · The "The device is being used by another application" is nothing to worry about. " In addition, the message might state that you need to close any devices that are playing audio on the device and try again. 0 and the catch is fluidsynth has to be running before I launch the game. If a FluidSynth client program has hardcoded a device name, that program is wrong written and deserves the breakage and be ashamed for that. id Type String (str) Default fluidsynth-midi Client ID to use with the Jack MIDI driver. 9 Current behavior fluidsynth is run as a systemd system service Expected behavior fluidsynth should really run as a user service Steps to reproduce Run systemctl start fluid May 3, 2022 · Greetings fellow Beastie followers, I want to integrate MIDI into the sound system for my desktop environment. A number of default settings are defined by the current implementation. The "current" default fluidsynth service waits for pipewire to be ready, if you are using pulse or that one not being sufficient, update the After= line to pulseaudio. It acts as a powerful and flexible sound engine, capable of generating high-quality audio from MIDI input. You can access the synthesizer through the console. 0. Dec 8, 2024 · None yet Development Code with agent mode Fix crash on startup when there are no MIDI devices FluidSynth/fluidsynth Participants Mar 1, 2022 · Possible device making use of WDM/KS are named xx:Windows WDM-KS:device-name. driver winmidi midi. device setting fluid_synth_process () received a new more flexible implementation, but now requires zeroed-out sample buffers Other changes in FluidSynth 2. midi_to_audio(filepath, 'output. based on the available options for audio. But only if your question really has been answered. There is no application running other than MidiView. Tested with reverb + chorus at a sample rate of 48kHz. Nov 20, 2017 · It could be interesting for the user of an application to select the audio card to be use by a instance of FluidSynth audio driver. Mar 12, 2021 · When I want to start it I get an error: fluidsynth: error: Error setting the audio callback. However, at Nov 23, 2024 · What will happen if I go back to login screen and login as another user (that has fluidsynth service enabled) -- we will have two fluidsync instances. to do some custom default initialization of the synth, change the default audio driver in use, etc. Jan 8, 2025 · I sudo shutdown the pi and then today i powered it up and ssh using putty. : Carlo once had the idea to auto-select the audio driver, by probing which driver can be created use unique device names for the audio. sf2 soundfont file in a location accessible to the application Ok, I got the sound working through fluidsynth! Here is my final dosbox. The user gets what he wants and if it fails fluidsynth quits. Creates a new audio driver for a given 'synth' instance with a defined set of configuration 'settings'. c. audio-groups = 3, synth. endian auto > audio. 3. dsound. My midi keyboard is nektar impact lx61. It gives a unified API to set the parameters of the audio drivers, the midi drivers, the synthesizer, and so forth. service or pipewire-pulse. In fact, I have Fluidsynth up and running with ALSA on my laptop and everything Sep 19, 2022 · When the user tries to play audio or video on a monitor or projector, he might get an error saying “The device is being used by another application” and no sound is played. realtime-prio 60 audio. I can play sound with Fluidsynth enabled though when I add myself to the audio group. When I tried run without any > errors on Windows XP SP2/SP3, it doesn't produce any sounds in Windows XP? > Does it mean we have to install dsound. realtime-prio 50 midi. audio-channels = 3. sf2 May 8, 2025 · However, there can also be problems with HDMI, such as no audio when connecting devices using HDMI cables, or you might receive the error, "The device is being used by another application. 4. You have to give all the parameters to the constructor at once: fs = FluidSynth(sound_font=soundfont, sample_rate=22050) (And it might be a good idea to specify the full path to the output file. Creating the audio driver is straightforward: set the <code>audio. For some scenarios, it might be useful to execute certain shell commands right upon starting FluidSynth, e. 0, sdl3 since fluidsynth 2. The file renderer is used for fast rendering of MIDI files to audio files. Aug 18, 2022 · The error message clearly tells you that the device is being used by another application. For example, with audio driver alsa (for linux OS), a FluidSynth Sep 25, 2021 · fluidsynth support waveout, directsound and wasapi for windows platform. input-channels 0 audio. Is there a way to make fluidsynth to work with pulseaudio, which redirects all sounds into sinks and works perfectly well without a sound card? ott 12 10:23:46 whiteroom fluidsynth[32058]: fluidsynth: error: Failed to open the "default" audio device ott 12 10:23:46 whiteroom fluidsynth[32058]: Failed to create the audio driver Jun 3, 2018 · And a third object. sample-rate') # List available settings: fluidsynth_setting_list() fluidsynth_setting_options('audio. </vals> <desc> Selects the ALSA audio device to use. So I followed this guide on how to set up Fluidsynth, and the only step that does not work is having it automatically start at bootup. Here, we choose to let fluidsynth is a real-time software synthesizer that can play MIDI data using SoundFont 2 (SF2) files. When I log in, I find that the service is not running, and using the command fluidsynth -is gives me the following input: Apr 10, 2021 · Changes to default audio driver on LinuxI understand your pain. wav') The object referenced by fs uses the default sound font and the default sample rate. Step 2: Choose an option to update the driver. FluidSynth itself does not have a graphical user interface, but due to its powerful API several applications utilize it and it has even found its way onto embedded systems and is used in some mobile apps. Tested with the following devices: Headset Earphone (Plantronics Blackwire 725) Speakers/Headphones (Realtek (R) Audio) Initially tested with a period-size of 64, both devices complained: Aug 30, 2020 · Fluidsynth mixer allows to produce audio on multiple stereo outputs (using synth. Learn how to troubleshoot and fix the "This device is being used by another application" audio error to regain sound functionality on your Windows system. autoconnect should be 0 by default - if you're not planning to play notes from a keyboard you don't need it. format s16 audio. This makes it a little more likely that other users have the same pain. Following Windows XP, Microsoft changed the main audio driver from DirectSound to not-so-direct Sound, while retaining the name. device</name> <type>str</type> <def>default</def> <vals>ALSA device string, such as: "hw:0", "plughw:1", etc. E. , when FluidSynth exits). !default { type hw card 0 } Listing the devices results in: pi@retropie:~ $ aplay -l Default alsa (Linux), dsound (Windows), sndman (MacOS9), coreaudio (Mac OS X), dart (OS/2) The audio system to be used. file. Have you tried any other devices as A1 to see if the same thing happens then? Oct 20, 2021 · fluidsynth: error: Device "default" does not exists This is because midi. service. In the case of a text font, the application requests the letter 'A' to be drawn, but it looks different depending on the chosen font. wav audio. Fluidsynth provides a way to fast render a MIDI file to a digital audio file. midi. Apr 16, 2021 · I finally had a chance to test this and gave it a try on my windows laptop. </desc> </setting> <setting> <name>alsa. Fluidsynth can have more than one Fx unit (us. Are you tired of getting a frustrating error message such as "The device is being used by another application" on your Windows 10 computer? Don't worry. audio-groups > 1). If you want your media content to be displayed on a big screen, HDMI cables will help you a lot. Nov 29, 2021 · But /dev/snd/seq is a real device, let's assume there is no sound card yet on the host machine. Without starting Fluidsynth, everything is working just fine. The settings allow me to select a MIDI device and I usually used audio/timidity++ as an auto-starting daemon on Linux systems to get this functionality, but I can't figure out how to The solution was to roll back the audio driver to the previous version. endian auto audio. This document has been tested with Ubuntu 24. I can start fluidsynth with jack audio driver, no matters if I configure jack with my internal device (hw:0) or my external device (hw:1): $ fluidsynth -m alsa_seq -a jack -l soundfont. c:866: (snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: Device or resource busy fluidsynth: error: The "default" audio device is used by another application Failed to create the audio driver === Now, I thought I could get rid of arts and let alsa handle softmixing, We would like to show you a description here but the site won’t allow us. Mar 3, 2020 · audio driver Leave blank to use the default. If I run MidiView, and try to select a device like my Nina (USB MIDI) it tells me another application is using it. However, Fluidsynth can be used with other “backends” or drivers. The settings objects is used by many components of the FluidSynth library. It failed: === ALSA lib pcm_hw. Feb 11, 2023 · fluidsynth -C0 -R0 -r22050 -z8192 -l -a alsa -o audio. Due to technical reasons, fluidsynth isn't capable of handling SBK files. How will this work -- logind will change ACLs of sound devices, what it means for fluidsynth that already has sound device open? Before using this function, make sure the settings object has already been used to create a synthesizer, a MIDI driver, an audio driver, a MIDI player, or a command handler (depending on which settings you want to query). Jun 1, 2021 · I didn't realize you were using an add-on sound card as opposed to the headphone jack. I tried everything, checked chrome's midi settings, closed every other application other than fl studio, restarted my pc but nothing helps. portname midi. To specify the audio device driver FluidSynth will use, supply the -o audio. device default > audio. Nov 12, 2016 · fluidsynth: warning: Failed to pin the sample data to RAM; swapping is possible. The problem is that you've got to understand a lot about Linux to get started. wav audio devices and channels in their computers. The HDMI device (High-Definition Multimedia Interface) helps you connect different multimedia devices and interfaces like monitors, High Definition TVs, Ultra High Definition TVs, cameras, projectors, computers and a lot more. On wikipedia:Linux you can select ALSA or JACK, on [ [wikipedia:>Windows]] Fluidsynth supports wikipedia:dsound. This allows application developers to manage the audio output themselves if they wish. piroz goywb gqakm lxsdas hamvv jntnf mduhdw eqbi szzkjq jzzqbj osjcnj rnmk xwuxbji hhkswr iwzltoe