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Feeds
Risposto
what do the AudioDeviceWriter do with a complex inputdata?
This object should probably error out for complex values (which is not possible with any audio device). Instead, it looks like i...
what do the AudioDeviceWriter do with a complex inputdata?
This object should probably error out for complex values (which is not possible with any audio device). Instead, it looks like i...
circa un mese fa | 0
Risposto
"audioDeviceReader" not accepting device input from list of audio devices
The default audioDeviceReader object is constructed with Driver='DirectSound', so getAudioDevices will return audio devices that...
"audioDeviceReader" not accepting device input from list of audio devices
The default audioDeviceReader object is constructed with Driver='DirectSound', so getAudioDevices will return audio devices that...
2 mesi fa | 0
| accettato
Risposto
How to reference Linux Alsa devices from Simulink
Hi Pascal, I asked a collegue about this and here's his answer: If the embedded Linux is running on Intel and AMD x86 processor...
How to reference Linux Alsa devices from Simulink
Hi Pascal, I asked a collegue about this and here's his answer: If the embedded Linux is running on Intel and AMD x86 processor...
4 mesi fa | 1
Risposto
Varying device latency for ASIO Device
This is not the usual behavior for ASIO. Does X-AIR allow you to select the buffer size (samples per frame) ? You should make su...
Varying device latency for ASIO Device
This is not the usual behavior for ASIO. Does X-AIR allow you to select the buffer size (samples per frame) ? You should make su...
4 mesi fa | 0
Risposto
How do I output on multiple channels using Audio Device Writer?
Channel mapping 1:2 is fine for playing 2 channels. The error appears to be about the number of columns and I do not think the b...
How do I output on multiple channels using Audio Device Writer?
Channel mapping 1:2 is fine for playing 2 channels. The error appears to be about the number of columns and I do not think the b...
6 mesi fa | 0
Risposto
Compute acoustic roughness without calibration
Roughness will be slightly under- or over-estimated if the calibration level is off. However, that's not an issue if you care mo...
Compute acoustic roughness without calibration
Roughness will be slightly under- or over-estimated if the calibration level is off. However, that's not an issue if you care mo...
7 mesi fa | 0
Risposto
Audioread Bug with Opus (maximum value returned exceeding 1)
Hi, I was not able to reproduce peaks of that amplitude when using audiowrite, but I did observe some amplitudes above 1. It mig...
Audioread Bug with Opus (maximum value returned exceeding 1)
Hi, I was not able to reproduce peaks of that amplitude when using audiowrite, but I did observe some amplitudes above 1. It mig...
9 mesi fa | 0
Risposto
Is calibrationFactor for psychoacoustics correct?
Hi, can you give more details on what you want to measure? The calibration factor lets you match the level of another calibrated...
Is calibrationFactor for psychoacoustics correct?
Hi, can you give more details on what you want to measure? The calibration factor lets you match the level of another calibrated...
9 mesi fa | 0
Risposto
Loudness Equalization Across Stimuli-Within Stimuli
If you want to analyze your sequences to see if loudness is perceived as the same for different frequencies, I'd recommend looki...
Loudness Equalization Across Stimuli-Within Stimuli
If you want to analyze your sequences to see if loudness is perceived as the same for different frequencies, I'd recommend looki...
10 mesi fa | 1
Risposto
Ability to change audioPlugin reported latency dynamically?
There are some limitations, for example latency cannot be changed during playback is active. But I'm not sure that's the case he...
Ability to change audioPlugin reported latency dynamically?
There are some limitations, for example latency cannot be changed during playback is active. But I'm not sure that's the case he...
circa un anno fa | 0
Risposto
acousticLoudness() function incorrect?
No need to modify your "signal". You can use calibrateMicrophone with a 1kHz tone that you specify the SPL level, and that will ...
acousticLoudness() function incorrect?
No need to modify your "signal". You can use calibrateMicrophone with a 1kHz tone that you specify the SPL level, and that will ...
circa un anno fa | 0
Risposto
How to detect which audio output device is being used by Windows
The best practice for Audio Toolbox users would be to use WASAPI mode (see audioDeviceWriter). It is WASAPI exclusive mode, so t...
How to detect which audio output device is being used by Windows
The best practice for Audio Toolbox users would be to use WASAPI mode (see audioDeviceWriter). It is WASAPI exclusive mode, so t...
oltre un anno fa | 1
Risposto
Real-time ANC Simulink model based design simulation
Hi, the easiest way to get started might be to pre-record some audio and replace the noise source with that data. With an audio...
Real-time ANC Simulink model based design simulation
Hi, the easiest way to get started might be to pre-record some audio and replace the noise source with that data. With an audio...
quasi 2 anni fa | 0
Risposto
Acoustic Loudness - Is Scaling Required?
Are you using audioIn and FS (the audio signal itself) or SPLin (28 one-third-octave bands between 25 Hz and 12.5 kHz) ? If you...
Acoustic Loudness - Is Scaling Required?
Are you using audioIn and FS (the audio signal itself) or SPLin (28 one-third-octave bands between 25 Hz and 12.5 kHz) ? If you...
quasi 2 anni fa | 1
| accettato
Risposto
Audio generation in Simulink Desktop Real-Time
If you are using the Speedgoat, you would want to use their device-specific output blocks instead of the Audio Device Writer. So...
Audio generation in Simulink Desktop Real-Time
If you are using the Speedgoat, you would want to use their device-specific output blocks instead of the Audio Device Writer. So...
oltre 2 anni fa | 0
Risposto
Simultaneously play and record a signal with audioPlayerRecorder
To specify IN/OUT channels, use channel mapping. For example, to play on channels 1+2, and record on 4: audioPlayerRecorder("Pl...
Simultaneously play and record a signal with audioPlayerRecorder
To specify IN/OUT channels, use channel mapping. For example, to play on channels 1+2, and record on 4: audioPlayerRecorder("Pl...
quasi 3 anni fa | 0
Risposto
Error when recording multi-channel audio with loopback
Hi Charlotte, When using the reader and writer at the same time, some settings like frame size must match. Here, fileReader.Sa...
Error when recording multi-channel audio with loopback
Hi Charlotte, When using the reader and writer at the same time, some settings like frame size must match. Here, fileReader.Sa...
quasi 3 anni fa | 0
| accettato
Risposto
Can I use two unique ASIO audio devices at once?
Unfortunately, Windows does not allow loading multiple ASIO drivers at the same time, so MATLAB cannot do so. You might be able ...
Can I use two unique ASIO audio devices at once?
Unfortunately, Windows does not allow loading multiple ASIO drivers at the same time, so MATLAB cannot do so. You might be able ...
circa 3 anni fa | 0
| accettato
Risposto
Sound Pressure level returning -inf
Leq, Lpeak and Lmax are only computed every TimeInterval, so they correspond to the SPL of zero for the first 0.125 seconds. And...
Sound Pressure level returning -inf
Leq, Lpeak and Lmax are only computed every TimeInterval, so they correspond to the SPL of zero for the first 0.125 seconds. And...
circa 3 anni fa | 1
| accettato
Risposto
how to compute the RMS dB(A) value from an acoustic signal in a spectrum ?
It might just be a matter of scaling. For example, if there is a microphone involved, you may need to calibrate for that if the ...
how to compute the RMS dB(A) value from an acoustic signal in a spectrum ?
It might just be a matter of scaling. For example, if there is a microphone involved, you may need to calibrate for that if the ...
circa 3 anni fa | 0
Risposto
What is dBFS in the Impulse Response Measurer App?
Hi Yuqing, If you use the Export button, you will get a table of your measurements including the recording. You can get an exc...
What is dBFS in the Impulse Response Measurer App?
Hi Yuqing, If you use the Export button, you will get a table of your measurements including the recording. You can get an exc...
circa 3 anni fa | 0
| accettato
Risposto
Will MATLAB VST plugin generation support ARA (Audio Random Access) API?
There is no support at this time, but users with Coder can use the "juceproject" option to produce a JUCE project, which support...
Will MATLAB VST plugin generation support ARA (Audio Random Access) API?
There is no support at this time, but users with Coder can use the "juceproject" option to produce a JUCE project, which support...
oltre 3 anni fa | 1
Risposto
Real-Time Audio Processing: Varying Delay Depending on Initial Under/Overruns
Some updates since these issues were raised: Starting 21b, Audio Toolbox I/O has a new buffering mechanism to prevent the laten...
Real-Time Audio Processing: Varying Delay Depending on Initial Under/Overruns
Some updates since these issues were raised: Starting 21b, Audio Toolbox I/O has a new buffering mechanism to prevent the laten...
oltre 3 anni fa | 0
Risposto
audio codec performance measurement DAQ
Hi, I think the Spectrum Analyzer could help. Here is an example: https://www.mathworks.com/help/dsp/ug/spectrum-analyzer-measu...
audio codec performance measurement DAQ
Hi, I think the Spectrum Analyzer could help. Here is an example: https://www.mathworks.com/help/dsp/ug/spectrum-analyzer-measu...
oltre 3 anni fa | 0
| accettato
Risposto
Only one channel from two-channel Behringer UCA202
1. Try specifying the name of the device as well, in case you are picking up another (mono) device instead of you UCA202. >> a...
Only one channel from two-channel Behringer UCA202
1. Try specifying the name of the device as well, in case you are picking up another (mono) device instead of you UCA202. >> a...
oltre 3 anni fa | 0
Risposto
Microsoft Visual Studio 2022 set up as default C and C++ compiler in Matlab 2021a
Plugin generation is part of the Audio Toolbox, which does not support MinGW. For plugins: VS 2019 was added to R2019b (appears...
Microsoft Visual Studio 2022 set up as default C and C++ compiler in Matlab 2021a
Plugin generation is part of the Audio Toolbox, which does not support MinGW. For plugins: VS 2019 was added to R2019b (appears...
oltre 3 anni fa | 0
| accettato
Risposto
(solved) Why can't I generate an audio plugin from the StereoWidth example?
I see you found a solution. Just for reference, here is a list of supported compilers for Audio and other toolboxes (there is a ...
(solved) Why can't I generate an audio plugin from the StereoWidth example?
I see you found a solution. Just for reference, here is a list of supported compilers for Audio and other toolboxes (there is a ...
oltre 3 anni fa | 1
Risposto
audio input that is not recognize by matlab
Hi Fanny, First is to make sure the OS recognized the input devices. If on Windows, check that your devices show up in "Sound s...
audio input that is not recognize by matlab
Hi Fanny, First is to make sure the OS recognized the input devices. If on Windows, check that your devices show up in "Sound s...
oltre 3 anni fa | 1
| accettato
Risposto
Impulse Response Measurer: Amplitude of recorded signal is almost half compared to recording in audacity
Playback level in the impulseResponseMeasurer is controlled by the "Excitation Level (dBFS)" setting in the toolbar. Does settin...
Impulse Response Measurer: Amplitude of recorded signal is almost half compared to recording in audacity
Playback level in the impulseResponseMeasurer is controlled by the "Excitation Level (dBFS)" setting in the toolbar. Does settin...
oltre 3 anni fa | 1
| accettato
Risposto
Impulse Response Measurer in audio toolbox
Yes, sound is output on the selected device and channel. If there is a loudspeaker connected to that device, it will play. But i...
Impulse Response Measurer in audio toolbox
Yes, sound is output on the selected device and channel. If there is a loudspeaker connected to that device, it will play. But i...
oltre 3 anni fa | 0
