Questions tagged [music]

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1answer
55 views

How can I turn a midi keyboard to a stand-alone piano using Arduino or any other way? [closed]

I have a midi keyboard, but I find it frustrating to start PC, DAW system every time I want to play. Is there a way to use Arduino to create an on the go stand alone piano. (It should work like a ...
2
votes
1answer
85 views

Does cutting the covering of subwoofer wire affect the sound quality?

I have Sony 5.1 channel sound system. There is some cut on covering of subwoofer wire. The copper wire is not affected at all. So, I am curious to know whether it will leak the passage of sound and ...
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0answers
17 views

Prevent click/pop from transient when bluetooth receiver disconnects?

I have a Logitech bluetooth receiver connected to my hifi to allow kids etc to play music from iPhones/ipads. However, it seems that the receiver itself has a sleep mode when no signal is being sent,...
0
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1answer
63 views

Does anyone know the YM2410 pinout (from the PSS-130 and PSS-30 line of Yamaha keyboards)?

I was recently making modifications to a PSS-130 Keyboard, and before I knew it, the keyboard would cease to make noise. I have narrowed the issue down to the main chip on the PSS-130, the Yamaha ...
0
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4answers
155 views

How did old games from 8-bit era game consoles store music? [closed]

Some time ago I found that the audio of a game called Ninja Gaiden 1 (NES) is around 1 hour. This is excluding the sound effects like jump and hit e.t.c. Then I found that the entire game size is ...
2
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0answers
66 views

Can i replace a De-9 port with something else? [closed]

I was given an old piece of DJ equipment from the late 90s and unfortunately, the only way to connect it to a pc, which is what its meant for, is through a De-9 port/cable. And my pc doesn't support ...
0
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3answers
140 views

Is it possible to play music with a PIC16F628A

Is it possible to generate and send PCM audio from a PIC16 (or an arduino/atmel)? It does have an analog port, so it should work right? And if it does, is the PIC fast enough to generate the ...
0
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1answer
127 views

AUX input or microcontroller in a musical tesla coil?

Alright so I am making a musical tesla coil. I have seen some online tutorials and what I noticed is that some people are giving the audio input using a microcontroller and programming it to produce ...
0
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0answers
102 views

Circuit simulator for a musical tesla coil?

I want to make a musical tesla coil. But I want to do some experimenting with the values of the voltage, turns ratio and the audio input. So I need a circuit simulator so that I can fixate on what ...
50
votes
5answers
6k views

Why does music synthesizer built from chain of astable multivibrator circuits get “out-of-tune” after a few hours?

I built a prototype keyboard/sound synthesizer using a chain of 13 astable multivibrator circuits whose outputs are connected to an audio amplifier chip (LM386) and speaker, all powered off a 9V DC ...
0
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2answers
155 views

Swapping two 500kohm pots with one MCP42010 10k ohm digital pot

What additional elements do I need in my circuit to compensate for changing a pair of manual 500k ohm pots to a pair of digital 10 ohms? I'm a beginner implementing an Atari Punk Console on Raspberry ...
0
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3answers
72 views

Portable electronic musical instrument: energy from pressing keys, no batteries: feasible? [closed]

on one hand electronic musical instruments are very nice (lot of features: change tonality, change timbre, small number of mechanically breakable parts ), on the other hand they need external power ...
4
votes
2answers
109 views

DIY guitar effect - delay

I'm trying to build a guitar delay effect based on this schematic: (https://i2.wp.com/cdn.makezine.com/uploads/2009/09/echobenderrev02.jpg) I designed and oredered a pcb : https://easyeda.com/...
0
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2answers
192 views

Is this speaker crossover design correct?

This is the schematic for 2-way crossover, the speakers I want to use are: Woofer: https://thomann.de/pl/harley_benton_15tb065_b4.htm?o=2&search=1537173360 Tweeter: https://thomann.de/pl/...
0
votes
1answer
89 views

Component that plays single .mid music file? [closed]

Is there a component, (that is not Raspberry Pi or other mini computer it would be an overkill), that I can use to play a MIDI music file on loop? Even by uploading it on it or program it to the tune. ...
0
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2answers
119 views

A sensor which can measure the vibration of a material

I am planning on making a musical instrument where I require the conversion of vibration of a material to voltage. The idea is to make a percussion instrument where I hit a plate made of a certain ...
0
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2answers
100 views

How do I create a subtractive or dffferential two channel audio mixer?

I have a desktop mixer made by Behringer (Xenyx X2222USB although I am not using its USB capabilities) which has a line level output that feeds 2 channels of a Behringer USB audio interface (U-Phoria ...
0
votes
1answer
256 views

Can an all-tube guitar amp be damaged by flyback voltages?

Inspired by this question: https://music.stackexchange.com/questions/66443/how-to-rewire-my-cabinet-properly And this quote from a comment on the question: I've read that with tube amps, this isn'...
1
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3answers
79 views

Battery size for street musician gear [closed]

I am a musician and we are taking our show to the streets, away from wall sockets. For this, we will be using a 300W inverter that I have lying around, with a car battery of some size {?} We have: ...
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2answers
159 views

How to prototype analog audio processing?

How to prototype analog audio processing? Should I merely trial with analog electronics or should I simulate the circuits in software first? Particularly, I'm interested in discovering new forms of ...
26
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5answers
4k views

Does cassette tape change its velocity while playing?

Looking at the old cassette tape, From the POV of the head, let's say that it reads at speed \$v\$ (the magnetic medium scrolls at speed \$v\$). But looking at the right wheel, which is the one that'...
0
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2answers
310 views

Need help with TI SN76489 Sound Chip

I'm working on a project which uses the Texas Instruments SN76489 integrated circuit, which was used to make sound in arcade games and Sega games from the 80's and 90's, I believe. I made a similar ...
0
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1answer
107 views

My transitor amplifier is deamplifying

I have built the following circuit intended to be an amplifier. When I hook the input up to my phone via a guitar cable and the output to a 4 ohm speaker it produces a lower volume than plugging the ...
0
votes
1answer
74 views

Suppress Certain Overtones In A Musical Instrument's Sound Wave

So, just like the title suggests, my college professor and I are trying to suppress certain overtones of an instrument's sound. I have a microphone hooked up to an oscilloscope, and I'm using the ...
-1
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2answers
334 views

How to connect pc speaker to 2 channel dvd player [closed]

I am having Creative Inspire M2600 pc speaker. I need to connect it to a dvd player which having output of 40w-40w and not having a 3.5 mm out. Can i connect the dvd output to a 3.5 mm female jack and ...
6
votes
5answers
2k views

How do I mix two audio tones from two 555s to make a polyphonic chord?

I have set up two 555 chips in astable mode to produce a tone each through a speaker. However, I am not sure how to mix them together to produce a musical chord. If I directly combine the two ...
0
votes
1answer
270 views

Best circuit to play music in car, using ISO 10487

instead of using a radio, I want to install a Raspberry Pi 3 with my own features in the 2Din Slot, so I have to make my own circuit to play audio. I tried with the following modules based in LM386 ...
1
vote
2answers
129 views

ADC for many piezos at once

I'm building an electronic musical instrument, using piezoelectric contact microphones as inputs. I want ~80 buttons, each with a piezo connected to an ADC. The idea is that you hit the piezo, then ...
3
votes
5answers
1k views

When should an audio pre-amp use a differential input

As a guitarist, very familiar with the various types of noise that can wreak havoc with electric guitars, I've been mystified at how infrequently guitar amplifier inputs have employed differential ...
4
votes
2answers
443 views

How to power a button's LED within a guitar?

I'm working on a guitar, and the plan is to use three latching push buttons so that each pickup can be turned on and off individually. I'm fairly confident that the following diagram should work for ...
0
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2answers
947 views

How does vacuum tube heating (heater voltage) affect tube performance/sound?

I have replaced a 12AX7 tube with ECC85 in my guitar amp. Seems to work great and sound great. The part that is questioning me is whether the sound is being at its best because it takes a good 20-30 ...
0
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3answers
1k views

Why does this circuit produce a static noise?

I was just designing this Common emitter transistor amplifier this morning. simulate this circuit – Schematic created using CircuitLab I have removed the input in the circuit intentionally. ...
0
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2answers
2k views

Arduino Audio Input from AUX cable

I want to feed Audio input (music played in my phone or laptop) to Arduino using an AUX cable(3.5 mm). I know that we need to offset and amplify the signals as the Arduino takes input from 0 to 5v ...
0
votes
1answer
86 views

Audio Circuit to Remove Vibrato while Preserving Word Detail

In music, vibrato describes the warble effect often added in by singers as they sing. I was trying to come up with a circuit to remove it from an audio signal, almost like a "vocal stabilizer" ...
-5
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2answers
4k views

What resistors and capacitors do on a audio circuit? [closed]

I'm a newbie, hobbyist, and i build guitar stompboxes fx using existing schematics. After building some of them i noticed they all use resistors, capacitors, and basic 3 pin transistors... my ...
-5
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3answers
2k views

9-pin mini-DIN - zero resistance between some pins [closed]

There's a volume knob connected to a speaker system with 9-pin mini-DIN. The volume knob contains potentiometer to control volume and is also in charge of turning the system on and off (by turning the ...
0
votes
1answer
131 views

Questions About Schematic

I am working on a color organ and want to use a design similar to this. I understand the gist of the schematic, but I have a few questions about it and how it works. First: I understand that it is ...
0
votes
1answer
230 views

Music Controlled LEDs [duplicate]

I know there are tons of examples of music driven LED circuits out there, but they mainly control just one LED or one string of them. I want to make a circuit that will control quite a few LEDs, with ...
-2
votes
1answer
69 views

Downloading custom audio in musical toys DIY [closed]

I am a computer science student and recently interest built into electronics . I want to ask how can i download custom audio in musical toys like this . All i have is this kind of phone toy, Please ...
0
votes
1answer
563 views

Led reactive to bass preout from headunit [closed]

I am stuck with the following problem. And please keep in mind that my understanding of electronics is not the best, I am simply asking for advice on building my project. I have created a circuit ...
0
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2answers
102 views

Data received when earpiece connected to audio jack? [duplicate]

I'm still new to electronics and signals. I'm currently doing a project, and i have to detect the type of earpiece connected to an audio jack. So far, i found out that when you plug in your earphone/...
-2
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3answers
2k views

DIY: Led strip synced with music doesn't work

I made led strip synced with music using this schematic I used bd241c instade of tip 31. When i connect 5V and single LED it works fine but when I put 12V and LED strip it doesnt work. Can someone ...
0
votes
1answer
967 views

LED Music Visualizer on Headphones

I am currently trying to make an LED music visualizer that goes to music and attaches to my headphones. The ideal solution would be to have the LEDs run from the audio circuit from a smartphone (with ...
1
vote
1answer
477 views

Does using multiple speakers degrade quality?

I have an amp and 4 speakers. I want to "daisy chain" the speakers together like so: I'm trying to figure out if doing series and/or parallel connections in the diagram above will degrade the sound ...
1
vote
1answer
241 views

Simple Audio Sampler And Looper

I am seeking to build a small drum pad that can trigger short mp3 files. Here there are a lot of specifications and I don't expect to have everything explained, but any tips on how to go about making ...
0
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1answer
79 views

Shorting wire from headphones

Im working on making a ultrasonic sustain pedal for a keyboard using an Arduino. I've looked up some tutorials on physical home made sustain pedals and it looks like you need to ground all the wires ...
-1
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1answer
4k views

wiring from car amplifier to leds syncing to bass [closed]

I have 12 V batteries, 2 1500-watt amps and 2 Ω each, and 2 subwoofers at 2 Ω each. I was planning on buying 4 blue 12 V led light strips that run at about 100mA each. I would like it to brighten/dim ...
0
votes
1answer
371 views

I2C hangs during loop

I have an arduino, accelerometer and a simple audio synthesizer circuit. My goal is to receive data over I2C from accelerometer to control the synthesizer. However I cannot get both the things to ...
1
vote
1answer
791 views

Safely shutting down 19V mini PC when power fails

I am adding an Intel NUC (4"x4" i5 PC, 12-19V, 10A@19V) to my guitar effect pedalboard for all kinds of fun signal processing with Ableton Live and Max/Msp. I'm building a 12V 20A power supply using ...
0
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1answer
758 views

Input / output voltage standards for modular analogue synthesizer

I'm investigating building a modular analogue synthesizer, and learning electronics along the way. I want to get a firm understanding of the supply voltage, inputs and outputs specification that is ...