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20705 discussions

[LAU] Re: Reading and analysing spectral amplitudes as visually impaired person.

by dc.loco＠gmail.com

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 A possible starting point, perhaps? Sonic Visualizer and/or Tony both from the Centre for Digital Music, Queens Mary University of London: https://www.sonicvisualiser.org/ https://www.sonicvisualiser.org/tony/ -----BEGIN PGP SIGNATURE----- Version: Mailvelope v6.0.1 Comment: https://mailvelope.com wsFzBAEBCgAnBYJoHfxhCZBsyzOXPmlpJxYhBCKYEZpbjZTpErfJh2zLM5c+ aWknAABcbA//cEbuH8GV881MI4E4NVpKqCrwBG4yFjevCWu+DzNvGXVN9DHC iDWDVHYzNtKLdiaLvbsH7T1fTlLoYkV362A+A474SIo0piOL36GUJrZrha54 MANeCAT4MXcUwg1N7tlsOBdbHyn0t0ssG8lFVegVSWqdTFSlnjsb2xC32UNO GD76TIcr/ENbFxteAUv0Q4U1moZXzYqHv3UdD4rTae2Jr171kE2Mm4hA+erX 7f9FgfrCX4tAWI+YeOf0qsCfMaW0HFY52eWOGUkYP12IMlyP1Wp9f0FmRCwp Tvq6fH1Irdekr4VMY/egcTt/dsTh+TeZic/l9p852NLa4/ps1HQq+pJa6r6I o43yU9xCjmVx5oAmhtUJLA6rfdZlF7N8ugv/SJYJgthKBNDpBx2lRiITZGQL F3XRkeyT3IG+lOfbXwnxjWqkmwTU/NE6zUhmc+iVI3q13tFSAC7DA/4KCQ5I TbD8PCCHKS7yn0sw6qvRYuiGjQLhWxq+VC8Nc9pKRAuvGK/ZXPK5E554FP2k e/k1Abt/3MOgMfd+zHNGit5p1AXShAPRoWzM6KP3XdHOLmpqVqx9YHbyAuFI ADerwvJGxtLjFdEKhp1kB774PzJOkN1Hd3EPGuBuKbm+iopoKok314LxdBEV nMENJyHflItakkPUdBusmwc/rvV6p8hPsoE= =eSXf -----END PGP SIGNATURE-----

9 months, 1 week

[LAU] LAC 2025

by Will Godfrey

I'm wondering who else is going to this. I'll be there of course. I see there's going to be a banquet on the 'crossover' day between jimlac and lac, which also looks quite inviting. My only concern is that I'm likely to be just about the only monolingual person there, which could be pretty isolating. -- Will J Godfrey

9 months, 1 week

[LAU] Server Error in list archive?

by Peter P.

Hi list, trying to access my own message https://lists.linuxaudio.org/hyperkitty/list/linux-audio-user@lists.linuxau… just posted in this list in its archive index https://lists.linuxaudio.org/hyperkitty/list/linux-audio-user@lists.linuxau… repeatedly results in a "Server error" message. Is this a bug™? best, Peter

9 months, 1 week

[LAU] Reading and analysing spectral amplitudes as visually impaired person.

by Peter P.

Hi list, I am posting this to LAU in addition to the supercollider mailing list at https://scsynth.org/t/analysing-spectral-amplitudes-as-visually-impaired/11… A blind colleague has approached me with the need to read and analyse time-varying spectral amplitudes. I wonder what would be the best way to do this. I imagine one could do a python3 scipy stft and read the values from there, use some other text-based DSP software such as Supercollider or Csound. But let me first ask if anyone has any experience with this requirement and a possible soulution already. Thanks! P

9 months, 1 week

[LAU] real time Grahic EQ

by Will Godfrey

Can anyone suggest such a program suitable for adjusting (while replaying) a pre-recorded vocal track? I used to use jamin, but that doesn't seem to run with current gtk versions. Must run with Jack. -- Will J Godfrey {apparently now an 'elderly'}

9 months, 3 weeks

[LAU] NeuralRack v0.1.6 released

by Hermann Meyer

NeuralRack is a Neural Model and Impulse Response File loader for Linux/Windows. It supports [*.nam files](https://www.tone3000.com/search?tags=103) and, or [*.json or .aidax files](https://www.tone3000.com/search?tags=23562) by using the [NeuralAudio](https://github.com/mikeoliphant/NeuralAudio) engine. For Impulse Response File Convolution it use [FFTConvolver](https://github.com/HiFi-LoFi/FFTConvolver) Resampling is done by [Libzita-resampler](https://kokkinizita.linuxaudio.org/linuxaudio/zita-resam… This release introduce a modernised UX. ![NeuralRack](https://github.com/brummer10/NeuralRack/raw/main/NeuralRack.png?raw=true) Neuralrack allow to load up to two model files and run them serial. The input/output could be controlled separate for each model. For tone sharping a 6 band EQ could be enabled. Additional it allow to load up a separate Impulse Response file for each output channel (stereo). Neuralrack provide a buffered Mode which introduce a one frame latency when enabled. It could move one Neural Model, or the complete processing into a background thread. That will reduce the CPU load when needed. The resulting latency will be reported to the host so that it could be compensated. Release Page (binaries): https://github.com/brummer10/NeuralRack/releases/tag/v0.1.6 Project Page (Source Code): https://github.com/brummer10/NeuralRack

9 months, 3 weeks

[LAU] 32-channel USB Dante interface found for Linux

by Brandon Hale

Hello all, I wanted to post a finding that I recently discovered. In the multichannel studios I work at, everything uses Dante. Because of this, I haven't really been able to output my laptop's audio directly, I have to find workarounds like going to analog to another computer, and so on. However, I recently found out a mixer that we have here, the Yamaha TF-Rack with Dante card <https://www.sweetwater.com/store/detail/TFRackDanteBun--yamaha-tf-rack-40-c…>, actually has a USB 2.0 interface built-in and with the Dante card, a Dante interface. It's expensive, but given that Dante interfaces can go upwards of $1000 USD and you get a mixer with analog ins and outs, it might be a pretty good deal. I just tested it out and it works, effectively giving a Linux computer 32 channels of Dante output. It gives 32 channels of input too, but since the Dante component uses the main 32 buses, I think to have input you have to sacrifice your Dante outputs. BUT, I didn't test that part as I was too eager to just get Dante output. That effectively can make this mixer a 32-channel USB Dante interface. I have been working here for 6 years and just discovered this. It's been here the whole time! I hope this information helps someone. Maybe mixers with Dante cards are the way for USB dante interfaces on Linux. (Lastly, I put the [LAU] in the subject line. Do I need to do this?) Thank you very much for your time, Brandon Hale

9 months, 3 weeks

[LAU] NeuralRack v0.1.5 released

by Hermann Meyer

NeuralRack is a Neural Model and Impulse Response File loader for Linux/Windows released under the free BSD 3-Clause License It supports *.nam files <https://www.tone3000.com/search?tags=103> and, or *.json or .aidax files <https://www.tone3000.com/search?tags=23562> by using the NeuralAudio <https://github.com/mikeoliphant/NeuralAudio> engine. For Impulse Response File Convolution it use FFTConvolver <https://github.com/HiFi-LoFi/FFTConvolver> Resampling is done by Libzita-resampler <https://kokkinizita.linuxaudio.org/linuxaudio/zita-resampler/resampler.html> This release implement a Noise Gate in the chain, and introduce a new rack colour scheme contributed by @crshrprt <https://github.com/crshrprt> Release Page: https://github.com/brummer10/NeuralRack/releases/tag/v0.1.5 Project Page: https://github.com/brummer10/NeuralRack regards hermann

9 months, 3 weeks

[LAU] OT: Combining a LOT of files

by Josh Lawrence

hello everyone, I have a directory full of wav files in folders. Inside each folder, I have wav files, all with unique names, grouped into 2 files, one for each channel. For example: dir_1/ hello-L.wav hello-R.wav alice-L.wav alice-R.wav dir_2/ bye-L.wav bye-R.wav bob-L.wav bob-R.wav dir_3/ etc... I know I can use sox to merge 2 audio files into a stereo mix, like so: sox -M left.wav right.wav output.wav I would love to write a script that will descend into each directory, find 2 commonly named files, assume one is left channel and one is right, combine them, and carry on. While I am familiar with bash scripting, this task is far beyond what I am able to do. Does anyone have any tips, tricks or suggestions as to how to approach this? I suspect the answer will be, "use a programming language," and I wouldn't fault anyone for saying that. Unfortunately I have a hammer made of bash, so everything is a nail. :) (That being said, if you *know* how to do this in, say, python, please tell me and I'll work until I can fill in the rest of the details - I don't mind doing the homework, I just need a map!) Thank you! Josh

10 months, 1 week

[LAU] Jack Frames/Period setting with Firewire

by Jay Thomas

Hello I am having difficulty setting Frames/Period for Jack at 128 to keep the system from having stuttering audio quality. The highest I can go is 64 but that is not high enough to resolve the stuttering issue. Jack complains of ALSA not being able to set the parameters: "ERROR: ALSA: cannot set hardware parameters for capture" The driver being used is snd-fireworks. This module has a config parameter called resp_buf_size that can be set to 4096 maximum. So when I set this parameter to 4096, I still have trouble setting the Frames/Period in Jack to 128. It would seem that one would expect that 4096 would be good enough since I am using an AudioFire device with 16 channels being sent over the FW bus. 1 sample = 4 bytes. 4 bytes x 16 channels x 128 = 4096. So this figure of 4096 bytes is enough to hold 128 samples of 16 channels of audio. Is there another driver module configuration parameter that I need to change instead of the snd-fireworks parameter such that ALSA will be able to set the requested buffer size that propagates down from Jack config? -- *Jay Thomas* Cell: 425-418-0756

10 months, 1 week

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