timidity | Play MIDI files in the browser w | Audio Utils library
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kandi X-RAY | timidity Summary
Play MIDI files in the browser w/ Web Audio, WebAssembly, and libtimidity
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QUESTION
I am trying to combine a .mp4 file with a .wav file. I am rendering my mp4 with cv2 videowriter, and I don't think it has anyway of incorporating audio with it. I have tried moviepy.editor, and ffmpeg. moviepy.editor kept messing up the video file and ffmpeg repeatedly kept giving me an error that it couldn't edit existing files in-place. Combining .mp4 with another audio file type is also fine, but if so it would be nice to also answer how to convert midi files to the file type you answered with. Thanks for the help!
moviepy.editor workflow:
...ANSWER
Answered 2021-Jan-03 at 06:28I tested both modules and for moviepy I get correct output video with audio even if I use the same name as output. So I don't know what can mess with output.
For ffmpeg I had to use different name for output file to resolve problem with couldn't edit existing files in-place
I had to also use object.video and object.audio to replace audio in output file.
QUESTION
I have been using ubuntu 20.04 recently and have a HP pavillion laptop with B&O speakers. However i am not able to hear any sound. though, Bluetooth is working fine.
I have tried many solutions such as :
*sudo apt purge timidity-daemon
*sudo alsa force-reload
*sudo apt install pavucontrol and running pavucontrol.
None of the solutions have worked for me yet.
EDIT: Later I assumed it to be a kernel bug and say a solution using the following commands:
...ANSWER
Answered 2020-Aug-04 at 19:05Finally, after surfing a lot through the net and reading about options of alsa for NVIDIA aound controller I got the following solution
2 files are to be changed
/etc/modprobe.d/blacklist.confand/etc/modprobe.d/alsa-base.conf
- open the file using root
- add the following line to the bottom of the file
options snd-hda-intel dmic_detect=0 - save and exit the file
- open the file using root
- add the following to the bottom of the line
blacklist snd_soc_skl - save and exit the file.
Reboot and Enjoy with the restored sound!
QUESTION
I'm studying the Midi file specification, right now I'm testing this, which works fine if played by Timidity but it's corrupted for either Garage Band, OS X(The output doesn't play) and Synthesia.
...ANSWER
Answered 2020-Nov-26 at 19:44After taking a deep look with hexdump, and looking at the defined chunk lengths:
first chunk declares to be 0x20(32) bytes long, starting at position 0x17 (23) and ends at 0x5b (91) that means that your chunk lenght calculations are off by 34 bytes.
QUESTION
How do you color code notes in visual displays with the Music21 Python library?
I'm trying to create an animation where specific notes in sheet music are highlighted with a certain color at specific time intervals. So far I'm able to render sheet music with Music21 and code like:
...ANSWER
Answered 2020-May-10 at 19:44n = note.Note('C#4')
n.style.color = 'red'
n.show()
QUESTION
I am following this tutorial using Google Colab.
When I run the line game.init(), I get this error:
ANSWER
Answered 2018-Jun-06 at 00:52Colab is run on a machine in the cloud. It cannot send the display back to your local machine. That's why it said "no video device".
QUESTION
Fluidsynth sound font is reverting back to last loaded full font when midifile is played. In my case timidity-freepats.sf2 (sfont 2).
fluidsynth version 1.1.10
Here are my steps.
Contents of config file ./nylon-guitar.fs:
...ANSWER
Answered 2018-Nov-14 at 19:34Internally, fluidsynth places all soundfonts on a stack. Because palm-muted-guitar.sf2 is the last one loaded, it is top most on the stack. When e.g. a program change event occurs on a channel, fluidsynth looks through the soundfont stack from top to bottom, searching for a soundfont that provides the requested bank/preset combination. palm-muted-guitar.sf2 is the first one to provide a percussion instrument on bank 128, preset 0, thus it is selected.
That said, your MIDI file probably sends a program or bank change event on channel 9. You may edit the MIDI file and get rid of those events. You may edit palm-muted-guitar.sf2 and remove the drum preset. Or you may setup a midi router that discards all program and bank change events on that midi channel.
player.reset-synth is irrelevant, as you are not using fluidsynth's midi player to play MIDIs.
QUESTION
I have a midi file scale.mid that I can play via
ANSWER
Answered 2018-Apr-22 at 18:02timidity can accept a configuration parameter using the option -x i.e. --config-string. In this case:
QUESTION
I'm trying to control a software MIDI synthesizer Timidity++ with subprocess in Python. The way I'm doing it is to start a process of Timidity++ in its Ncurses UI, and then pass commands to the STDIN of the subprocess. This way I can control the playback, for example adjust keys, in real-time.
The problem is that the approach seems to work on Python 2 (specifically Python 2.7.13), but not on Python 3 (specifically Python 3.5.3). What's the reason for that? I'm testing this on Raspbian 9.
My code is like the following:
...ANSWER
Answered 2018-Mar-25 at 06:18As Davis pointed out in the above comment, flushing a.stdin solved the problem. So the following code works for both Python 2 and 3:
QUESTION
Hi I have scraped a large number of midi files off the internet. I am using them for training material to train a generative adversarial network. I find that many midi files conform to the midi standard but then I run into issues with midi meta events with values of FF11 and FF10 . I have looked up the midi specification from several sources and have never found midi meta events defined in this way. Here is the hex of a midi track event with some of the offending values: 4D 54 72 6B 00 00 1A 8D 00 FF 03 0D 47 75 69 74 61 72 20 44 41 44 47 41 44 00 FF 10 08 00 00 3E 39 37 32 2D 26 00 C0 19 00 C1 19 00 B0 65 00 00 B0 64 00 00 B0 06 02 00 B0 65 7F 00 B0 64 7F 00 E0 00 40 00 B1 65 00 00 B1 64 00 00 B1 06 02 00 B1 65 7F 00 B1 64 7F 00 E1 00 40 00 B0 0A 3F 00 B1 0A 3F 00 B0 5D 10 00 B0 5B 1E 00 B1 5D 10 00 B1 5B 1E 81 69 FF 11 01 00 00 90 3E 51 08 FF 11
I cant seem to find any information whatsoever on these values even though these midi files play over timidity and other midi player software perfectly. Can anyone point me to some information about them and what they mean? any help would be greatly , greatly appreciated. :-) resolving this issue would be a service to the miriad of people who are trying to use the python-midi library to train tensorflow models and this I am sure is only a fraction of the people who would be effected.
...ANSWER
Answered 2018-Mar-08 at 08:14The SMF specification says:
As with chunks, future meta-events may be designed which may not be known to existing programs, so programs must properly ignore meta-events which they do not recognize, and indeed, should expect to see them.
I am not aware of any published extension that defines values 10h or 11h; it's likely that some sequencer uses these for its own purposes, and violated the specification by not using type 7F for that.
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