I need to read a .wav file to an array of frequency/duration pairs for use in a Console.Beep(int,int)-type function. So far, I have read the data into a float array and performed an FFT, but I can't make heads or tails of the complex number results. Having searched all over the internet, I can't...

audio

MIDI Beat Detection using NAudio

5 Aug 2014 by (Username_Taken)

An outline of basic beat detection for games such as guitar hero.

audio

JavaZoom - Radio Stream

10 Jul 2011 by 0Question-Mark0

Hi,i'm wondering if it's posible to stream an internet Radio-Stream with Java?I searched the inet and found a code for playing mp3 files on your pc.The plugin is called JavaZoom.import javax.sound.sampled.*;import java.io.*;public class Radio { public static void...

Java

audio

stream

huwaei mode audio redirection to computer

24 Jun 2013 by 1234anand

i am working with huwaei modem i want to make dialer from it in windows xpatd command is used for dialing and at+chup is used for disconnect the call.but i am not able to sucess in audio transfer from serial port of huwai modem to mic in computer can any one help meThanks

audio

How java bytestream works?

17 Jan 2020 by 49R

How raw data is divided into bytes. As present audio contains 32bit(2^32 tones) it ranges from 2^0 - 2^32. ex -> 6710497.. (Considering decimal) how is it divided to 67 104 97 Does FileInputStream has a method to check like if(671>256){send 67 , next append 1} What I have tried: ...

WPF: What are the values of Audio Spectrum Analyzer ?

29 Jan 2013 by Abed AlSayed

Hello, I don't know anything about Audio Spectrum Analyzers and how it gets its values, but what I'm trying to do is to get these values and display it in a label, so what these values are? and how to get them and how to calculate the percentage of each one to use them for example in...

WPF

audio

How to insert a sound file in a C# project

22 Apr 2011 by Abhinav S

You can also allow the user to choose the location of the wave file by using the Open File dialog control[^].

audio

How can I convert audio into text using Visual Basic

14 Aug 2011 by Abhinav S

This[^] is a third party tool that you could use.

audio

Recording an MP3 or other audio signal directly from PC's sound card

23 Oct 2011 by AC Falk

I am not one of you genius software fellows....just a simple chemical engineer that cannot seem to do something that should be rather simple: download MP3 recordings as they play into files on my PC without going through a microphone. The two approaches that I see here under The Code Project,...

audio

How to convert Audio/Video to binary and vice verse

27 May 2012 by adam213

Dim sql As String = "INSERT INTO student VALUES(@Photo)" Dim cmd As New SqlCommand(Sql, con) Dim ms As New MemoryStream() PictureBox1.Image.Save(ms, PictureBox1.Image.RawFormat) Dim data As Byte() = ms.GetBuffer() Dim p As New...

convert

audio

video

GStreamer issue playing OPUS audio with playbin2 pipeline

9 Jul 2013 by adiadi

Hello,We have a client SW that receive from a server OPUS packets that client should play.The client is designed in Linux and use GStreamer playbin2 pipeline for this:pipeline = gst_parse_launch ("playbin2 uri=appsrc:// ", NULL);where the appsrc we fill with OPUS packets into a...

C++

Linux

audio

How to remove the singer's voice in Audio files?

21 Feb 2011 by afgkidy

I want to remove the singer's voice in audio or video files, remain the background voice of the audio.How can I implement this functionality?Could someone give me some advice?Thanks a lot.

C++

audio

video

Creating and Playing Sounds using HTML5

9 Jun 2020 by After2050

How to create and play sounds in HTML5

HTML5

Javascript

audio

G722 Java or C++ impelementation

27 Nov 2012 by Ahm.Gawad

I am developing a VoIP application and Need to know if there is any open-source implementation for G722 speech codecs.?!

Java

C++

audio

G722 Java or C++ impelementation

29 Nov 2012 by Ahm.Gawad

Thanks , your answer give me a good push, here how i solved it :I used the common g722 impl from spanDSP (all the working impl use it) and add JNI interface so i can use it in my JAVA App.

Java

C++

audio

Can we connect a sample grabber filter to a lame filter to be able to access the buffer..?

9 Dec 2014 by aj_scorpio

hii i have made a program in Directshow using Visual C++ to convert the microphone audio into MP3 by using LAME ENCODER. Now i would like to access the buffer so that i can use the encoded data for further processes. So my question is can i use the sample grabber to do so. Pls help me i'm new to...

VisualC++

audio

directshow

failed to create MFCreateTranscodeTopology for converting MP4video file to MP3

2 Oct 2012 by Ajesh Kumar.T.T

CreateMediaSource( lpctszInput_i, &pSource );AUDIO_ATTRIBUTES_t stAudioParam;SubTypeGUID = MFAudioFormat_MP3;ContainerTypeGUID = MFTranscodeContainerType_MP3;hrStatus = MFCreateTranscodeProfile( &pProfile );hrStatus = MFCreateAttributes( &pAudioAttributes, 7 );hrStatus =...

audio

video

Does anyone know how to embed events in media files and how to get those events during playback?

30 Jan 2014 by AlanSA

What I need to do is to build an application that can playback mediafiles using the Windows media player control (easy part). Is it possible to have events embedded inside the media file so that I can display certain text to the user at certain points in the video without having to track the...

Audio Analysis for Sheet Music

3 Jul 2011 by Albert Holguin

This is an interesting project, but I can tell you you'll end up having a really hard time identifying chords, since you'll end up not only with a combination of notes, but a variety of byproduct frequencies. You're bound to find all sorts of interesting things, good luck!

analysis

audio

Creating a Spectrogram using C

9 Jul 2011 by Albert Holguin

There's no actual question and the number of topics covered is really broad in nature, but here's a push start.1. There's probably libraries that'll help you to do this, or you can use the Windows Wave IO API[^] to do it.2. See 1, that is sampling.3. If you know the math, do it yourself....

audio

processing audio data

13 Jul 2011 by Albert Holguin

If you know how to do an FFT with FFTW, then you should know how to do it in real-time, all you have to do is collect a number of samples (fixed number) and continually evaluate the FFT after you collect an entire block. Every time you get a new array of output data from the FFT computation,...

audio

Recording an MP3 or other audio signal directly from PC's sound card

23 Oct 2011 by Albert Holguin

Use Google:http://lmgtfy.com/?q=sound+card+capture+software[^]FYI...These are development forums, so most of the articles here will be targeted at developers. If you want software that you can use "off the rack" (so to speak), you're better off doing a Google search or looking at the...

audio

How to detect a DTMF sound?

18 Jul 2012 by Albert Holguin

See these?:http://sourceforge.net/projects/dtmf/[^]http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2680&dDocName=en536955[^] (this one is for PIC processors but the algorithms might be available in C)Found another Java...

C++

Windows

audio

integrating matlab and web for audio processing/speech detection

5 Mar 2013 by aldiano

hi, i'm doing my undergraduate thesis about web based matching speech detection using FFT & euclidean distance.right now i'm using matlab to do the audio processing, but how to make the web based version??i'm thinking about integrating matlab with web.is it posible to integrate...

PHP

audio

MatLab

Muting All Microphones on Vista/Win7

12 Aug 2012 by Alex Fotios

How to enumerate and mute all audio capture endpoints using Core Audio API

how to use DirectX Audio for c++

24 Sep 2010 by alrosan

this link will be useful

audio

Convert .vox files to ,wav files

3 Feb 2014 by alvas

How to use Vox2Wav method[^] string voxFile = "in.vox"; int samplesPerSec = 8000; string wavFile = "out.wav"; BinaryReader br = new BinaryReader(File.OpenRead(voxFile)); IntPtr format = AudioCompressionManager.GetPcmFormat(1, 16,...

ASP.NET

audio

What is the best audio library to play mp3 from internet source?

21 Nov 2015 by Amt-Coder

I need to play mp3 files from internet while it's downloading at the same time. I have worked with NAudio but it is difficult to implement internet streaming with NAudio library for me. Are there more flexible open source libraries you can suggest for streaming mp3?

C#5.0

audio

Android Low-Latency Audio on x86-based Mobile Devices

14 Jan 2016 by Android on Intel

This document explains how Android low-latency audio is implemented on x86 devices starting with the Intel® Atom™ processor-based (codenamed Bay Trail) platform.

Android

audio

KSDATAFORMAT_SUBTYPE_PCM was not declared in this scope

2 Nov 2013 by András Naszály

Hi!Im working on following program, getting audio data from mic input:#include #include #include #include //#include "stdafx.h" //ez a harom a fileba iras miatt kell#include #include /* //...

C++

PCM

audio

Webcam/video/voice streaming over internet, but how?

15 Oct 2011 by André Kraak

Have a look at this Developing a Video Chat Application with high quality video streaming[^].

Generate a Waveform from a WAV file

18 Oct 2011 by André Kraak

Have a look at this articles:Draw into sound[^]Audio WaveForm Drawing Using WPF[^]

audio

Customizable Butterworth Digital Filter

19 Sep 2021 by Andy Allinger

Filter specified by the pass frequency, stop frequency, passband attenuation, and stopband attenuation

FORTRAN

signal-processing

audio

From WAV to Graphics to MIDI

12 Aug 2023 by Andy Allinger

Convert audio to image. (Edit the image.) Convert image to music.

HTML5 Audio: Music does not stop even after navigating away from the website

4 Apr 2012 by Aniruddha Loya

I'm making a mobile game using HTML5. There is a background music that runs during the gameplay and should ideally stop once I navigate to another page... The logic works properly on older iPhones and android.However, on iPhone 4 and iPads the music doesn't stop and continues to play (even...

Trying to understand what a linker does with code in .lib files

15 Apr 2011 by Anthony Mushrow

will my final resulting .exe still work on an end user's system using the latest (2010) DirectX end user runtime?Yes. When you link with a .lib file it is actually put into your .exe or .dll fileFunctionality from previous versions of DirectX are always available in the runtime for...

C++

DirectX

audio

Reading Multi-channel WAV Files with .NET 2.0 (C#)

15 Dec 2014 by ArcticEcho

This tip explains how to read WAV (wave) files containing multiple channels (2+) using .Net 2.0+ (in C#).

.NET

Dev

audio

Write a Music Score by HTML5

10 Feb 2015 by Arthus Huang

This article will tell you how to write a tune with pure JavaScript and introduce an interesting Javascript framework to you.

HTML5

Javascript

audio

Cross Platform Microphone Audio Processing Utility In Qt

25 Jul 2012 by Arun Kumar K S

Simple signal processing implementation to microphone audio

Record audio from microphone into .wav format and playback using AudioUnit in Xamarin.ios

18 Jan 2016 by ashishkumar008

I am trying to record audio data from microphone in .wav file and playback it. I need also actual data (amplitude) for ploting graph so i am using AudioUnit. I setup inputCallBack and renderCallBack for AudioUnit object But i don't know how to write AudioBuffers to .wav file from render_CallBack...

Upload an Image and an Audio file using C#

2 Mar 2014 by ASP.NET Community

In my case, I use a FileUpload Control(Id:->FileUpload1), an ImageButton(ImageButton1) or you can use the Image, a Button Control(Id:->Updatebttn)

Recaptcha

22 Oct 2013 by ASP.NET Community

Recaptcha:Captcha keeps the spammer away from our site. There is Lot of captcha conrols available for asp.net and few may not work on postback.

ASP.NET

audio

Vb.net directx audiovideoplayback problem

18 Apr 2017 by Atakutabrak

I build project with video Imports Microsoft.DirectX.AudioVideoPlayback when developing I can play video why in the client video cannot played? I get this error in client: "Unhandled exception has occurred in your application. If you click Continue. the application will ignore this error and...

Set Input To Default Audio Device ( SetInputToDefaultAudioDevice() )

2 Aug 2011 by Atomix617

Good day,I need help with this command i cant find how repair it.It would be a recognition voice to text.Problem: ... private SpeechRecognitionEngine _recognizer; private void button1_Click(object sender, RoutedEventArgs e) { ... ...

audio

Set Input To Default Audio Device ( SetInputToDefaultAudioDevice() )

2 Aug 2011 by Atomix617

I have win7 and .NET Framework 4. I am using Visual studio 2010 and i am programming in C#.

audio

Alvas.Audio, NAudio and Fourier transform

7 Aug 2011 by bbkpl

Hi, I need help with my c# program. Speaking to a microphone, I want to sound was processed by Fourier Transform (I think the parties should be thrown to the buffer, processed and deposited into speakers), this should work at all in real time, saying I would hear my voice through the...

audio

Audio recording problem

19 Oct 2010 by Be Yourself

Try reducing the WAV_SMP valueWhich is the samples per second ..:cool::cool::cool:

audio

Books on audio programming

3 May 2011 by Be Yourself

Dear All, I am starting to work on audio programming but I am unable to find any useful programing books can anyone help me?

audio

Combining two mono microphones into a stereo

11 Nov 2013 by Ben Daq

Check that the microphone input on the windows mixer is set to 2 channels normal is set to mono 1 channel

audio

protecting pcm audio files with usb stick

7 Mar 2012 by Bernhard Hiller

There are several things to look at:- are the data on the original stick really PCM data, or are the encrypted? I.e. can you play these data with e.g. Windows Media Player, Audacity, etc.?- the communication between the USB stick and the keyboard. It looks like the keyboard reads some more...

Automized audio converter

26 Apr 2012 by Bernhard Hiller

NAudio can do alot of conversions, and it comes with source code:http://naudio.codeplex.com/[^]I expect that you can then figure what to do next.

audio

automation

convert

Playing .wav file at frequencies from 20Hz-20,000Hz

16 Jul 2013 by Bernhard Hiller

That's called "transposition" when e.g. a song originally played in C major is reproduced in E major. I haven't yet done that, but a similar problem is playback at different speed without affecting the pitch. An example for that can be found e.g. in Audacity (in C++ though). When you first...

audio

How do I read data from USB audio class?

11 May 2014 by Bernhard Hiller

The term "USB audio class" is the item which mislead you. It is not at all important from which type of external/internal connection the sound comes from. Also an external sound card connected via USB is simply: a sound card. So just look for any tutorial on audion recording in your preferred...

C#5.0

audio

USB

Change audio frequency while listening

26 Jun 2014 by Bernhard Hiller

Then you have to handle the playback of audio yourself - that's a lot of work.When you've accomplished that, take a look at the buffers of audio data you send to the audio device: these buffers need to be changed. That means, you do a Fourier transformation to get the frequencies, then shift...

C#5.0

audio

C# and wave - how do I process 20ms of audio data

10 Nov 2016 by Bernhard Hiller

I think Buffer.BlockCopy copies bytes, not shorts. Since you use 16bit samples, you have to copy twice as much bytes.

bytes

audio

Modulation Voice

6 Aug 2010 by biawak

hi.. my name temy okDear Fread I want to ask programing in VC++ about DSP signal , that i just begin withusing simple voice input mic on PC . Signal data I/O audio will convert with the other stable frequency (just like FM ) ,or Ultrasound carier frequency reversed to filtered ...

audio

How do I read data from USB audio class?

11 May 2014 by BillWoodruff

There are many resources on CodeProject for C# code to record sound. Here's a recent (April, 2014) article: "Play or Capture Audio Sound. Send and Receive as Multicast (RTP)" [^].The BASS library (free for non-commercial use) is very powerful library for all types of sound manipulation, and...

C#5.0

audio

USB

Can't stream audio over https (NAudio)

22 Oct 2014 by BillWoodruff

Using Google to search for C#/.Net error messages really does work: look at the top two results for these searches: [^], [^].Very specific issues with specialized, widely-used, 3rd. party .NET tools/libraries are often best asked/answered on the company/open-source-group's Forum, if they...

audio

streaming

media

is it possible to alter the frequency of an audio file (wav) using java programming?

5 Feb 2014 by bling

Seems like you are trying to do speech inversion.http://en.wikipedia.org/wiki/Voice_inversion[^]If so, the wiki article covers it well enough. Mix (multiply) the wave file samples with a set of sine wave samples (that vary from +1.0 to -1.0) and filter the result. Filtering is a topic...

Java

audio

How to switch between Audio Output drivers?

17 Nov 2015 by Boudi AlSayed

Hello, I'm trying to make a Virtual instrument in VB.NET, what I realized that playing a midi note using the default driver will result a lot of latency...(80ms)I need to switch the audio driver within the application by 1st listing all available drivers, and then adding them to combo-box, and...

driver

audio

Sound files for counting.

17 Dec 2015 by Brady Kelly

I'm looking for a file or series of files where a woman's voice pronounces the numbers 1 to 10, and maybe zero. Look, 0 to 100 would be a huge bonus, but all I really need are 1 to 10. The voice should be sexy with a non-regional English (UK) accent, as a personal preference. When I release the...

speech

audio

How to record a stream audio from radio online using iOS SWIFT ?

19 Feb 2018 by brenntengel@yahoo.fr

i've been looking for months now to find out how to record a live audio stream using swift ? please give me a hint a small code to start . regards What I have tried: This code is in java i want the same in Swift please while ((bufferLength = inputStream.read(buffer)) > 0 ...

Swift

iOS

audio

Plantronics Voyager PRO UC v2 Review

21 Dec 2012 by Brent Schooley

Plantronics Voyager PRO UC v2 Review

audio

C++ audio mixing and WAV file & AudioFile classes

8 Dec 2018 by CalicoSkies

Mixing audio from multiple WAV files to a single WAV file. Includes a C++ class for reading and writing WAV audio files, derived from an AudioFile class for future support of other audio file formats.

Best language for music looping software

26 Oct 2018 by cassanelligiovanni

Hi, I'm a programming student and in these last years I touched various programming languages : C++, Java, Javascript, Python. For my third year project I was planning to develop a Music Loop Software that acquire up to 8 inputs from an external audio interface and loop them in different...

C++14

audio

MIDI

how to convert the sound wave of the currently playing song to a text

29 Jan 2014 by ch.haya

actually my project is to read sound wave from the currently playing video and convert them to textconvert the audio in the song to text and disply it on the screen on the run time...so i need some help ....

audio

How to capture audio and video from webcam using ffmpeg on WindowsXP

2 Jun 2011 by Chandrasekharan P

Check if this helps DirectX.Capture Class Library[^]

Audio decode to noise on iOS but ok on windows

30 Nov 2016 by Charly LEE

the input mp3 is single channel with 32000 sample rate, 16bit signed.I am using ffmpeg 2.6 to decode mp3 on ios9.3.2 pad. It get white noise only. but it works on windows.I record the decoded PCM to file and use tool to play it. when I changed the bit set to 32. I can hear the original sound...

How do I stream audio like a radio station on a ASP.NET website?

16 May 2014 by CHill60

Google is your friend.These results for...

Is there hardware/software available that can "hear" a target/specific sound and alert you? Please advise…

29 Jul 2020 by CHill60

Have a look at something like the Arduino - here are some sample audio projects[^] Similar alternatives ... Quote: Raspberry Pi, BeagleBone, Sharks Cove, Minnowboard MAX, Nanode, Waspmote or LittleBits are some of the most interesting...

audio

How can I convert audio into text using Visual Basic

14 Aug 2011 by Chimuel Gapol

How can I convert my captured audio from my microphone into text form using Visual Basic?Any help??? Please...Thanks in advance...

audio

how to compile the latest ffmpeg a lib in windows

11 Apr 2013 by chinahyin

i download the new ffmpeg source code ,i want to compile it to a lib,so that i can use it in my windows application. i used mingw + mysys, but the ffmpeg have so many .h,cpp, i include all the lib and dll in my project ,but my application can not compile sucessfully ,the error is that can not...

C++

audio

Do you know a way of visualising sound on a wider scale ?

19 Aug 2010 by Christian Graus

IF only your post made some sort of sense. I can only guess that you're the third person I've told today to use the forum provided under an article, instead of the general 'quick questions' forum.

audio

Get YouTube audio and process it

27 Jul 2012 by Christian Graus

The file you're getting is an HTML5 video. As such, all you really need to do, is get the file as it streams, and process the audio out of a known file format. Tons of sites do this, why does the world need another ?

YouTube

audio

MP3 Playlist creator for Opel Ampera and Chevy Volt

23 Jul 2016 by Christian Vos

Explains the issues of the mp3 player in the Ampera and Volt and how the playlist creator can solve this.

Duplicate songs detector via audio fingerprinting

23 Jun 2020 by Ciumac Sergiu

Explains sound fingerprinting algorithm, with a practical example of detecting duplicate files on the user's local drive.

How do I get an interface pointer parameter in C# for a COM call?

13 Oct 2014 by CliffRat

I was able to resolve my original problem and I am getting the pointer back. It appears that I just had to send and IntPtr as a ref parameter and use that.That leaves me with one other problem that I haven't yet found a clear answer to. Now that I have my pointer value, how do I use it to...

C#3.5

COM

audio

Where are the Registry settings for audio?

25 Jun 2015 by CliffRat

Does anyone know how to interpret the settings for the installed audio devices in the registry. I'm pretty sure that the settings I want to look at are under Capture and Render respectively at:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\AudioHowever, while I...

registry

audio

How can I disable line-in?

21 Jun 2016 by CliffRat

I thought I had posted this yesterday but I don't see it in the list so I'm trying again. I really need some help with this.I have an application requirement where certain audio settings need to be made at the hardware level rather than the session level. I have been able to hit most of the...

Win7

audio

Html5 game audio questions

16 May 2021 by Coder2195Text

I am making an HTML5 game, which involves one audio being played multiple times at once. I searched this issue up and found this: https://stackoverflow.com/questions/25654558/html5-js-play-same-sound-multiple-times-at-the-same-time It seemed to...

HTML5

Javascript

audio

Best Practices in Choosing Audio/Video Formats for Websites

19 Apr 2014 by Coding Learner

I would like to ask if there are best practices for choosing audio/video formats for websites to get the widest platform and browser support given limited resources especially in development time (for HTML coding, file format conversion, etc.).I have Googled the answer without success (for...

audio

website

video

Problem to stream grabbed audio sample to Audio renderer

28 Feb 2011 by cougar10

I am a newbie in directshow. I have written a program to take sample audio from microphone into a buffer using ISampleGrabber.void MICDetect::Run_Graph(IMediaControl* m_pControl){ m_hr = m_pControl->Run();// Now run the graph, i.e. start listening! if(SUCCEEDED(m_hr)) ...

C++

audio

directshow

rendering an audio stream (WASAPI / WINAPI )

21 Mar 2011 by cougar10

i'm currently reading the documentation of MSDN to render a stream to an audio renderer.. or in other word, to play my captured data from microphone.http://msdn.microsoft.com/en-us/library/dd316756%28v=vs.85%29.aspxthis example provides example.My problem now is that i couldn't...

audio

directshow

Problem to stream grabbed audio sample to Audio renderer

28 Feb 2011 by CPallini

You should find another way since Sleep(1); is completely unreliable (Windows is not a real-time OS). See also the remarks at Sleep documentation page[^]. :)

C++

audio

directshow

Calculating time difference in sound input from multiple microphones

12 Apr 2013 by CPallini

Roughly speaking, I would first normalize the amplitude of the two graphs and then time-translate one of them until best superposition is reached.

audio

time

Simple Audio Pattern Matching Algorithm

24 Jun 2013 by CPallini

Why don't you Google[^] for?

Playing .wav file at frequencies from 20Hz-20,000Hz

16 Jul 2013 by CPallini

As far as I know, if you play a WAV file at different sample rates (if you can do it) then you get different frequencies (suppose you have a file containing a 440 hz sound at sample rate of 8 khz, if you use its data at 16 khz sample rate then you obtain a 880 hz sound).I suppose, however, you...

audio

Audio File Matching Program - C#

17 Apr 2014 by CPallini

I would Google for that[^].

audio

how to convert stereo wav file to mono wav file using vc++

15 Jun 2015 by CPallini

You have several options:Study the WAV file format (you might start from Wikipedia[^]) and implement yourself the code for moving the stereo channels out.Use a library, you might find many of them available on the web.Use an external program, like, for instance audacity[^], to perform the task.

C++

audio

1 Jun 2011 by cracker_pb

Hi, i have 2 audio input of a concert. The first is a wav file and the second is taken by microphone in real time. I need play the first file in synch with the microphone input.What library can i use?Is there any tutorial, guide or example for do this?thanks

Java

audio

Regarding window playback audio recording using wasapi in java

5 Nov 2012 by csanuragjain

I need to record windows playback audio using wasapi in java.Please help me how to do that.I tried to search on internet but its not been very helpful.Thanks in advance.

audio to text conversion

11 Jun 2013 by cyogeshc

I've an audio file with me. Say, a speech. How do I extract the text from the audio and store it efficiently in a database? If the user queries an audio based on the text stored, making use of certain keywords then I must be able to connect the audios in the database with the keyword and get...

What language should I learn/use to develop a music distribution plateform? Thank you

5 Oct 2015 by dan!sh

I think you should hire someone who knows how to create this application. If you are not aware of legalities, make sure you get some consultation on that too.

audio

distributed

e-commerce

How to add pause and resume functionality with mediarecorder in xamarin android?

12 Sep 2016 by Darren_vms

At api 24 it does MediaRecorder | Android Developers[^] not sure if that helps....You would have to stop and start and merge the files, here is an implementation of just that for android GitHub - lassana/continuous-audiorecorder: Implementation of the missing feature in Android SDK: audio...

Using conected GSM modem/phone, How do I make a phone call and play an audio file in my C# winforms App

7 Feb 2014 by Dasaradhi_r

Using AT Commands, I am able to send SMS from the modem/mobile connected to my PC.Also, I am able to establish voice call from the modem/mobile to destiny phone.After the call is established, I need to play a pre-recorded audio file (saved in my hard disk) into the call.Is there a coding...

Mobile

audio

SMS

Audio Analysis for Sheet Music

28 May 2011 by dasblinkenlight

The problem is somewhat similar to DTMF recognition (figuring out "two-sound chords" produced by telephone buttons). A very efficient Goertzel Algorithm[^] is used rather widely for that. It may or may not help you solve the problem at hand, but it's definitely worth giving a try. Good luck!

analysis

audio

How do I play embedded audio just once, then mute

30 Oct 2019 by datadrvn

Hi All, My first post here... :-) I'm fairly new to web development and I've just been tasked this and I don't know where to start. I would like to embedded a video into the homepage of a website. When people visit they see the video (with audio) once, then the video loops (and the audio...

audio

embedding

video

Measuring microphone input voice level in dB-SPL

20 Jul 2013 by Dave Kreskowiak

It's still not possible without external and calibrated equipment. You're every day microphone is not calibrated and it's not just a simple matter of getting the digital data from the stream and running it through some algorithm.

audio