waveform Questions
0
I've got a number of questions this time, although they all relate to the same problem: I wanted to build a rudimentary sonar in Android, and have no clue as to how possible it is to do such a thin...
Boater asked 23/4, 2015 at 5:14
5
Solved
I am new to CoreAudio, and I would like to output a simple sine wave and square wave with a given frequency and amplitude through the speakers using CA. I don't want to use sound files as I want to...
Dinky asked 10/6, 2010 at 21:1
7
Solved
Without any user interaction, how would a program identify what type of waveform is present in a recording from an ADC?
For the sake of this question: triangle, square, sine, half-sine, or sawtoo...
Dorsiventral asked 17/7, 2009 at 3:35
1
I'm working on a custom Soundcloud player for my website using waveform.js to generate waveforms. It works great but it lacks the scrubber functionality. How can I add that?
I'm not a JS wizard, ...
Brookhouse asked 20/5, 2013 at 17:3
1
Solved
I wrote a waveform renderer that takes an audio file and creates something like this:
The logic is pretty simple. I calculate the number of audio samples required for each pixel, read those samp...
1
Solved
I'm trying to generate a static waveform like in audio editing apps with webaudio and canvas. Right now I'm loading an mp3, creating a buffer, iterating over the data returned by getChannelData.
T...
Demand asked 14/9, 2014 at 18:13
0
Here is an image of the sound cloud's seek bar:
Sound cloud actually calculates the waveform before the song plays and adds it as the background for the seek bar.
I have tried to add some ...
Willdon asked 21/7, 2014 at 10:57
4
Solved
I'm trying to develop an static method in Java to generate a pure tone.
In the begining it seemed easy, but when I've try to write the double array to the loudspeakers I appreciate too much harmon...
Criminate asked 24/1, 2014 at 22:16
6
I'm looking for a fast, professionally looking and customizable waveform display component in C#.
I'm wanting to display mainly real-time audio waveforms (fast!) in both time and frequency domain....
2
Solved
I can't view memory using gtkwave:
module internal_memory(
output [31:0] hrdata,
input mem_enable,
input [31:0] haddr,
input [31:0] hwdata,
input hwrite,
input hreset,
input hclk
);
reg ...
4
Solved
I've been curious about this for some time so I thought maybe posting here I could get some good answers.
What I know so far:
Humans can use their two ears to get not only what sounds "so...
Buxom asked 29/12, 2011 at 1:3
3
Solved
I'm looking for a way to get the treble and bass data from a song for some incrementation of time (say 0.1 seconds) and in the range of 0.0 to 1.0. I've googled around but haven't been able to find...
2
Solved
I've already searched at Stackoverflow and google, but haven't found what I'm looking for.
So far I got the audio raw data(WAV File) and I want to visualize it.
private void Form1_Load(object se...
3
Solved
I have a long string of hexadecimal values that all looks similar to this:
'\x00\x00\x00\x01\x00\x00\x00\xff\xff\x00\x00'
The actual string is 1024 frames of a waveform. I want to convert these ...
Creon asked 19/2, 2013 at 15:50
2
Like soundcloud and zippyshare1, how can I generate an audio waveform image using java? are there any frameworks or open source libraries available for such case?
I wanted to generate an audio wa...
1
Solved
I have a wave file, i have a function that retrieves 2 samples per pixel then i draw lines with them. quick and painless before i deal with zooming. i can display the amplitude values no problem
...
2
Solved
I'm adapting MATLAB code to R and trying to generate a waveform using ARMA formula. Is there a simple R equivalent function for MATLAB's filter to take AR/MA coefficients to build a waveform?
npts...
Dovev asked 28/1, 2012 at 20:21
3
Solved
I was wondering if anyone has any suggestions on how to go about rendering a waveform of an audio file. I wold like to enable the user to set an in and out point of an audio track and I need to hav...
1
Solved
one of the default live wallpapers that came with my phone was a wallpaper that displayed the wave form of music playing in the background in real time. I was wondering how one could go about...
1
I'm recording audio using AVAudioRecorder and after recording I want to draw a wave form of the recorded audio. I've found a nice article about wave form drawing, but it first I need the frequencie...
Entity asked 20/4, 2011 at 9:55
1
Solved
Is it possible? I'd like run over a batch of audio files and produce graphic waveform files from them. Similar to what SoundCloud displays, but perhaps the module(s) im seeking will offer a few mor...
2
Solved
I'm writing an audio waveform editor in Cocoa with a wide range of zoom options. At its widest, it shows a waveform for an entire song (~10 million samples in view). At its narrowest, it shows a pi...
3
Solved
I've looked around Stack Overflow for an answer to this, but nowhere seems to give the correct answer or direction...
My project will allow a user to upload a WAV, which ultimately will be convert...
Underhung asked 20/7, 2010 at 12:49
3
I'm an Electronics and Telecommunications student, next to my graduation. I'm gonna work on a project that involves my knowledge about DSP, music and audio in general. I allready know all the...
Heyday asked 8/3, 2010 at 6:15
3
Solved
Using my iPhone, I would like to measure human flatulence in order to measure, quantify, and provide a statistical report based on various properties of the overall event quality. Outrageous, maybe...
Intercommunicate asked 19/1, 2010 at 19:43
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