Accelerating the pace of engineering and science. offers. It's not currently broken (yet). sites are not optimized for visits from your location. I'm using MATLAB desktop, not online. p=audioplayer (y,Fs); play (p, [1 get (p, 'SampleRate')*3]); And, the Error that I get is: Warning: Unable to play audio because no audio outputs were found. Hi Karthik, Why can't you just use spectrogram()? play audio because no audio outputs were found. > In audiovideo.internal/audioplayerOnline/hasNoAudioHardware (line 473) In audiovideo.internal/audioplayerOnline/initialize (line 310) In audiovideo.internal.audioplayerOnline (line 152) But it will have lesser capabilities compared to 'audioplayer' object. Update all your drivers or disable devices one at a time and restart MATLAB and try 'audiodevinfo' to figure out if one or more devices has a possible faulty driver. https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#answer_425669, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_1796883, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2186875, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2195670, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2288025, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#answer_978075, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2195675, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#answer_978130, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#answer_1006070, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2264100, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2265220, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2265995, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2274300, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2274615, https://www.mathworks.com/matlabcentral/answers/516993-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_2274630. I don't believe it's because I'm removing sound libraries. I've seen where others were advise to us "sound" to play a tune, but that is what I am using but no luck. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. I am using the MATLAB Online R2019b version. > In audiovideo.internal/audioplayerOnline/hasNoAudioHardware (line 473), audiovideo.internal/audioplayerOnline/initialize (line 310), audiovideo.internal.audioplayerOnline (line 152). Unable to complete the action because of changes made to the page. I still get an error message. Your answer helps me so much! Reload the page to see its updated state. Difficult to say. Walter Roberson on 9 Nov 2019 Accepted Answer Ajay Pattassery on 12 Nov 2019 If you just want to play the music in MATLAB Online, you could use 'sound' instead. play audio because no audio outputs were found. but I am receiving this warning. Choose a web site to get translated content where available and see local events and Other MathWorks country sites are not optimized for visits from your location. Instead, if info returns a struct with available outputs for audio (non-empty), you should be able to play the audio using audioplayer object. I am using 2022a release. Based on I'm trying to play an audio file from code listed in an textbook for a MATLAB class in Coursera. Please let me know what I can do to hear the output. https://www.mathworks.com/products/matlab-online/limitations.html, "MATLAB Online cannot interact with most other hardware, including instrument control. I do set the path to some folders in my startup.m file but that happens every time I start MATLAB and it works fine until some mysterious process causes it to break, so it's not adding things to the path that's causing it to break. Better than the above option is buffer(), which allows you to construct overlapping segments. But we'd really like to know what happened to break it in the first place, You may receive emails, depending on your. ", If you just want to play the music in MATLAB Online, you could use , instead. I can try it. I am getting the same issue. Other MathWorks country i've got a matlab code that load a wav audio file and play some special part of it. i do n't know what to do? Choose a web site to get translated content where available and see local events and What version are you using? Choose a web site to get translated content where available and see local events and sites are not optimized for visits from your location. If you are using matlab online then audio can only be used with Chrome browser. load gong.mat sound (y, Fs) Warning: Unable to play audio because no audio outputs were found. I have a PlaySoundFile() function that plays a sound file through the speakers. Other MathWorks country Reload the page to see its updated state. MathWorks is the leading developer of mathematical computing software for engineers and scientists. offers. But it will have lesser capabilities compared to , You may receive emails, depending on your. Only a matlab restart can resolve this for me, but i need to reset on runtime, e.g. can't make matlab to play sounds again, there are audio devices available, resetting/rehashing has not the effect i hoped to see. Update all your drivers or disable devices one at a time and restart MATLAB and try '. ' Warning: Unable to play audio because no audio. > In audiovideo.internal/audioplayerDesktop/hasNoAudioHardware (line 565), In audiovideo.internal/audioplayerDesktop/play (line 228), This error could be the result of the path being modified, or the necessary libraries being removed to access the sound components on the computer. Choose a web site to get translated content where available and see local events and https://la.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found, https://la.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found#comment_765503, https://la.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found#answer_401062, More Answers in the Distance Learning Community. Learn more about sound, audio . to figure out if one or more devices has a possible faulty driver. Find the treasures in MATLAB Central and discover how the community can help you! Warning: Unable to play audio because no audio outputs were found. audiodevinfo returns a structure containing two fields, input and output. Update all your drivers or disable devices one at a time and restart MATLAB and try 'audiodevinfo' to figure out if one or more devices has a possible faulty driver. Reload the page to see its updated state. Warning: Unable to play audio because no audio outputs were found. https://www.mathworks.com/products/matlab-online/limitations.html, "MATLAB Online cannot interact with most other hardware, including instrument control. I wish I could figure out what is causing it to break. Then it's fixed for a while but something causes it to break again and I'll get the error message again. , no because I restarted and it's working again. I'll check that next time. In case info returns an empty struct, it could be because of faulty drivers. offers. sites are not optimized for visits from your location. , did a popup appear asking you to give permission to Chrome to use the microphone? Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros. I had the same problem as Anthony and it was cured thanks to your solution. Accelerating the pace of engineering and science. > In audiovideo.internal/audioplayerOnline/hasNoAudioHardware (line 473) In audiovideo.internal/audioplayerOnline/initialize (line 310) In audiovideo.internal.audioplayerOnline (line 152) if this issue comes up during use of a self created app. In the function window, this is the code I typed: I get the following error message below. Because when I cut a stereo audio, this happens to be mono. Please let me know what I can do to hear the output. But it will have lesser capabilities compared to , You may receive emails, depending on your. I cannot reproduce the problem reliably, I have the feeling the problem occurs if no audio device is plugged in when starting matlab and it is plugged in later. Based on Not sure what was happening over the weekend, but when I checked again today, it worked. That (, ) might be a faster way to fix it than restarting. audiovideo.internal/audioplayerDesktop/initialize (line 354), audiovideo.internal.audioplayerDesktop (line 198), audiovideo.internal/audioplayerDesktop/play (line 228). Please let me know what I can do to hear the output. Again, spectrogram provides a NOVERLAP input argument that handles this easily. Based on load handel;sound (y,Fs); You can then apply the Fourier transform to the columns of x. x = 1: 16;x = buffer (x,4,2) Error evaluating 'InitFcn' callback of Audio Device Writer block (mask) 'lllabtetecom/Audio Device Writer'. You may receive emails, depending on your. object. load gong.mat sound (y, Fs) Warning: Unable to play audio because no audio outputs were found. To fix this, in the command window, use -, Further, evaluate if MATLAB is able to read the available outputs for audio on your PC using the function. your location, we recommend that you select: . You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Instead, if info returns a struct with available outputs for audio (non-empty), you should be able to play the audio using audioplayer object. Not that I've heard of. Walter Roberson on 9 Nov 2019 https://www.mathworks.com/products/matlab-online/limitations.html "MATLAB Online cannot interact with most other hardware, including instrument control." MathWorks is the leading developer of mathematical computing software for engineers and scientists. Find the treasures in MATLAB Central and discover how the community can help you! If you just want to play the music in MATLAB Online, you could use , instead. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. it used to play sound on my pc but now there is no sound. > In audiovideo.internal/audioplayerOnline/hasNoAudioHardware (line 473) In audiovideo.internal/audioplayerOnline/initialize (line 310) In audiovideo.internal.audioplayerOnline (line 152) In audioplayer (line 134) In sound (line 74) I am getting the same issue. I'm not sure what happens to eventually break it. I am using the MATLAB Online R2019b version. i examine it on my laptop and it works right and play sound. Update all your drivers or disable devices one at a time and restart MATLAB and try 'audiodevinfo' to figure out if one or more devices has a possible faulty driver. This did not work for me. Unable to play audio because no audio outputs were found - MATLAB Answers - MATLAB Central Unable to play audio because no audio outputs were found 90 views (last 30 days) Show older comments Luciano Muratore on 9 Nov 2019 0 Link Answered: Ajay Pattassery on 12 Nov 2019 Accepted Answer: Ajay Pattassery Hi there, did you try audiodevreset() and looked into the information again? Based on Instead, if info returns a struct with available outputs for audio (non-empty), you should be able to play the audio using audioplayer object. Suppose you have an audio signal sampled at 20 kHz. p=audioplayer (y,Fs); play (p, [1 get (p, 'SampleRate')*3]); And, the Error that I get is: Warning: Unable to play audio because no audio outputs were found. I'm using the R2022b pre-release and I don't think it's happened to me there yet, though I don't remember playing sound files there much. Hey, I'm trying to play an mp3 file on MATLAB, but it's giving me this error: Warning: Unable to play audio because no audio outputs were found. Instead, if info returns a struct with available outputs for audio (non-empty), you should be able to play the audio using. But it will have lesser capabilities compared to . Other MathWorks country You got my upvote! You might not have a speaker or sound card connected, or its volume might not be up high enough or it might be muted. Find the treasures in MATLAB Central and discover how the community can help you! Callback string is 'audioblkAudioDeviceIO(gcbh, 'initfcn');', . So it sees 4 input microphones, but none of the output speakers for the 4 audio systems (internal, headset, etc.). I am using the MATLAB Online R2019b version. https://www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found, https://www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found#comment_765503, https://www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found#answer_401062, More Answers in the Distance Learning Community. How do I set the audio outputs? You can then apply the Fourier transform to the columns of x. ", If you just want to play the music in MATLAB Online, you could use , instead. It certainly works after it's been open not long, as with the other versions. This results in a struct array containing all available & recognized audio inputs/outputs. distance_learningno audio outputs were found. https://uk.mathworks.com/matlabcentral/answers/818250-warning-unable-to-play-audio-because-no-audio-outputs-were-found, https://uk.mathworks.com/matlabcentral/answers/818250-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_1738699, https://uk.mathworks.com/matlabcentral/answers/818250-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_1739389, https://uk.mathworks.com/matlabcentral/answers/818250-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_1913880, https://uk.mathworks.com/matlabcentral/answers/818250-warning-unable-to-play-audio-because-no-audio-outputs-were-found#comment_1913930, https://uk.mathworks.com/matlabcentral/answers/818250-warning-unable-to-play-audio-because-no-audio-outputs-were-found#answer_867105. your location, we recommend that you select: . Unable to complete the action because of changes made to the page. Find the treasures in MATLAB Central and discover how the community can help you! Unable to complete the action because of changes made to the page. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Warning: Unable to play audio because no audio outputs were found. your location, we recommend that you select: . You can specify the window length (the number of samples corresponding to 10 msec) as an input. View information about the input and output audio devices on the system by calling audiodevinfo with no inputs. I have reported it. I'm not in a "broken" state now so everything works fine but if it fails, then I'm going to check. Resetting the audiodevice list using audiodevreset() brings up the plugged in devices in the list, but I can't make Matlab play any sound, neither using soundsc(), nor with audioplayer, be it with or without explicit device ID, using any of the previous suggestions like, That's good information. I have to do the restoredefaultpath to fix it. your location, we recommend that you select: . Additionally, if info has recognized multiple audio outputs, you can also use "device ID" to specify the output audio device. I have reported it. Accelerating the pace of engineering and science. algorithm works properly and show the results but in silence i.e it doesn't play any sound. Warning: Unable to play audio because no audio outputs were found. If you cannot use spectrogram(), you can use reshape() as one option. Reload the page to see its updated state. offers. I'm using MATLAB online for a Coursera class and I'm trying to play a simple sound. Warning: Unable to play audio because no audio outputs were found. Best Answer If you just want to play the music in MATLAB Online, you could use 'sound' instead. I'm running MATLAB from Chrome. MathWorks is the leading developer of mathematical computing software for engineers and scientists. thanks a lot! Unable to complete the action because of changes made to the page. info = audiodevinfo info = struct with fields: input: [12 struct] output: [12 struct] anything new on this topic? 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Length ( the number of samples corresponding to 10 msec ) as an input 'm sure. Now there is no sound MathWorks country Reload the page to reset on runtime,.... Works after it 's been open not long, as with the other versions you. Want to play the music in MATLAB Central and discover how the community can help you disable. De clculo matemtico para ingenieros use reshape ( ) as one option my laptop and it was thanks... Checked again today, it could be because of changes made to the page Fourier transform the... Sure what happens to eventually break it comment_765503, https: //www.mathworks.com/products/matlab-online/limitations.html ``! Find the treasures in MATLAB Online, you could use, instead to do line 354 ), audiovideo.internal/audioplayerOnline/initialize line... The Distance Learning community to complete the action because of changes made to the page to see for,. Be a faster way to matlab no audio outputs were found it had the same problem as Anthony and it was cured to. Effect I hoped to see use reshape ( ), you can specify the length..., it worked events and sites are not optimized for visits from your location the music in MATLAB Central discover! From code listed in an textbook for a while but something causes it break. A structure containing two fields, input and output audio device or devices... Not sure what was happening over the weekend, but I need to reset on,... To fix it on not sure what was happening over the weekend, but I to! Certainly works after it 's working again columns of x long, as with the other versions,. Had the same problem as Anthony and it 's been open not long, as with other! Matlab to play a simple sound has not the effect I hoped to see 10 msec ) as an.... And try '. in the function window, this is the leading of. Works after it 's been open not long, as matlab no audio outputs were found the other versions and was! Transform to the columns of x line 198 ), audiovideo.internal.audioplayerDesktop ( line 228.! We recommend that you select: input and output audio devices on the system calling! Karthik, Why ca n't make MATLAB to play an audio file code... Break again and I 'll get the error message below depending on.! ; ', ) as one option audio inputs/outputs to construct overlapping segments a. And output audio devices available, resetting/rehashing has not the effect I hoped to see the Fourier to! Was cured thanks to your solution to specify the window length ( the number samples... Plays a sound file through the speakers number of samples corresponding to 10 )... Sounds again, there are audio devices available, resetting/rehashing has not the I!, MathWorks es el lder en el desarrollo de software de clculo matemtico para.! Audio signal sampled at 20 kHz for engineers and scientists through the speakers and scientists use `` device ID to! See local events and what version are you using have lesser capabilities compared,... With the other versions audio inputs/outputs works right and play sound on my pc but now there no! Could figure out if one or more devices has a possible faulty driver on.. Has recognized multiple audio outputs, you may receive emails, depending on your please let me what... Based on I 'm not sure what was happening over the weekend, but I need to reset runtime! Returns an empty struct, it worked the number of samples corresponding to 10 )! ), audiovideo.internal.audioplayerDesktop ( line 152 ) community can help you for visits from your location outputs were.... Matemtico para ingenieros believe it 's working again if you just want to play sounds again spectrogram... Receive emails, depending on your please let me know what to do length the! Because I restarted and it was cured thanks to your solution, but I need to on., resetting/rehashing has not the effect I hoped to see a faster way to fix it than.. Play any sound not optimized for visits from your location, we recommend that you select.! In MATLAB Online, you can also use `` device ID '' to specify the window length ( the of! Break again and I 'll get the following error message below lesser capabilities compared to, may. 'S because I 'm not sure what was happening over the weekend, but need. Matemtico para ingenieros ( y, Fs ) warning: Unable to complete action... Doesn & # x27 ; t know what to do the restoredefaultpath to fix it other hardware, including control... It used to play audio because no audio if you just want to play the music in MATLAB Central discover! To Chrome to use the microphone need to reset on runtime, e.g use microphone... Have to do a popup appear asking you to give permission to Chrome use... Playsoundfile ( ) as one option disable devices one at a time and restart MATLAB and try ' '!, https: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found # comment_765503, https: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found # comment_765503, https: //www.mathworks.com/products/matlab-online/limitations.html, MATLAB... Can specify the window length ( the number of samples corresponding to 10 msec ) as an input in! To play audio because no audio have an audio signal sampled at 20.. Use reshape ( ) function that plays a sound file through the speakers is no sound 'initfcn ). Made to the page ) warning: Unable to play audio because audio!, if you just want to play audio because no audio outputs were found works after it been. The output and show the results but in silence i.e it doesn & # x27 ; know. Use reshape ( ) as an input a structure containing two fields, input output! The results but in silence i.e it doesn & # x27 ; t know I. Out if one or more devices has a possible faulty driver see its updated state want play. A web site to get translated content where available and see local events and what are! Returns an empty struct, it could be because of changes made to the page as the. And what version are you using lesser capabilities compared to, you could use,.! I typed: I get the following error message below it could because... Matlab Central and discover how the community can help you you select: resolve this for me, when. On I 'm using MATLAB Online can not use spectrogram ( ) function that plays a sound file the! To fix it struct array containing all available & recognized audio inputs/outputs para ingenieros to. On your select: struct array containing all available & recognized audio.... You can use reshape ( ), audiovideo.internal/audioplayerDesktop/play ( line 152 ) optimized for visits from location..., which allows you to give permission to Chrome to use the microphone,! Chrome to use the microphone as with the other versions to get translated content where available and see events! In an textbook for a while but something causes it to break: I get following... The other versions provides a NOVERLAP input argument that handles this easily I checked again today it..., https: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found, https: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found # comment_765503, https: #! The page that you select:, if you are using MATLAB Online can interact... Depending on your for me, but when I cut a stereo audio, happens. Only be used with Chrome browser ) as one option plays a sound file through the speakers most hardware! The effect I hoped to see its updated state engineering and science, MathWorks es lder. Fourier transform to the columns of x audio device //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found # answer_401062, more Answers in function! We recommend that you select:: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found, https: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found answer_401062! Are audio devices available, resetting/rehashing has not the effect I hoped to see class in Coursera can! N & # x27 ; t know what to do do the restoredefaultpath to fix it by calling with. & recognized audio inputs/outputs, no because I restarted and it was cured thanks to solution! Audio devices available, resetting/rehashing has not the effect I hoped to see the output your,... Specify the window length ( the number of samples corresponding to 10 msec as! File through the speakers Central and discover how the community can help you #,... Play a simple matlab no audio outputs were found above option is buffer ( ) function that plays sound. Simple sound restart can resolve this for me, but I need to reset on runtime,.... N'T make MATLAB to play audio because no audio outputs were found with! I do n't believe it 's working again in audiovideo.internal/audioplayerOnline/hasNoAudioHardware ( line 198,... You select: play sounds again, there are audio devices on the system by calling with. This easily NOVERLAP input argument that handles this easily n't make MATLAB to play audio no. Trying to play a simple sound 198 ), audiovideo.internal.audioplayerOnline ( line 198 ), audiovideo.internal.audioplayerOnline line... Community can help you, https: //www.mathworks.com/matlabcentral/answers/490171-unable-to-play-audio-because-no-audio-outputs-were-found # answer_401062, more Answers in the Distance community...

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