We Keep Coding

Inconsistent audio playback from audio tag in Safari on laptop

Using React, I'm using JavaScript (play()) to make two audio tags play 2 different .mp3 files (at completely separate times). The .mp3 files are short (less than a second).
import sound1 from 'sound1.mp3';
import sound2 from 'sound2.mp3';
<audio controls muted>
<source src={sound1}></source>
</audio>
<audio controls muted>
<source src={sound2}></source>
</audio>
audio {
display: none;
}
In Safari 13.1.2, on my 13-inch MacBook Catalina, often, one of the sounds plays imperfectly - it's as if the start of the sound isn't heard. Here's a video of me demonstrating what the sound's really like against what it should be like. When the black piece moves, you'll need to turn your volume all the way up to hear a quiet, echoey noise. Then I play you how that file's supposed to sound.
When on my iPhoneX, in Chrome & Safari, the same sound (seemingly) fails to play at all. This may be explained by this SO answer which says that sound won't play unless from a callback from an event handler that involves the user's physical participation e.g. click. This theory fits my case.
My question is similar to this post and this post which got no response. If you think it'd be useful for me to recreate this problem with a Sandbox I could try.
Personal note:
On my 13-inch MacBook Catalina:
on Chrome both sounds work fine.
in Safari, sound2 works imperfectly.
on my IPhoneX:
on Chrome & Safari sound2 is sometimes audible later on.
EDIT:
In this video you can hear me playing back the problematic audio file in Finder. I play it the first time - fine; but the second+ time it makes the same incorrect sound heard in the browser!
Replacing the problematic audio file with a different audio-file brings success - and suggests the problem lies with the audio-file and not my implementation of it in the website. I'm willing to reframe this problem as a poorly performing audio-file but I really don't know. If this were the problem, my only recourse to avoid it would be replaying the audio-file in Finder and making sure it plays a consistent sound.

Cannot get WebAudio to play through iOS 8

I have been trying to get WebAudio working in Safari on iOS8 (i have succesfully got it working in Windows and on Android devices).
It is my understanding that you cannot automatically play webaudio through Safari on iOS, but instead you must trigger the first WebAudio call through a user action (e.g. a button press). Then once this first user-driven action is done, WebAudio will work.........Apparantly.
So i have a button set up (using JQM) like this:
Enable Audio<hr />
"PlayDing" is a function which looks like this:
function PlayDing(DingType) {
var sound = new Audio('../../UI/Audio/' + DingType + '.mp3').play();
}
The idea is that by clicking the "Enable Audio" button, this triggers a user interaction to play an mp3 file (which is just 1 second of silence) and then subsequent audio events will just work.
Any ideas why this is not working on iOS8 / Safari?
EDIT:
If i change my JQM button to play a proper ding sound, it works fine and my iPad plays the ding.
EDIT 2:
This is nothing to do with playing audio files from my iPad's music library. This is about playing files / resources that are part of the website.

"It is my understanding that you cannot automatically play webaudio through Safari on iOS, but instead you must trigger the first WebAudio call through a user action (e.g. a button press). Then once this first user-driven action is done, WebAudio will work.........Apparantly."
You are completely right about the handling of the playing. To avoid playing unwanted sounds or unwanted download of sounds onto users devices possibly using up monthly data - a soundplay has to be called in the same stack as the user's touch/click.
There are multiple of things you have to deal with to make sure all your users can reliably play the sound. One thing is it has to be downloaded before you play it. To achieve this we use a technique called preloading.
You also have to take into account that not all users support the same audio format.
An example of your HTML and Javascript could be as follows:
Javascript:
function PlayDing(DingType) {
//Get a reference to the audio element
var sound = document.getElementById(DingType);
//Play it
sound.play();
}
HTML:
<body>
<!--Declare the sounds in as many formats as possible and let the user's browser handling what sound to play & caching -->
<audio id="Silent" preload="auto">
<source src="'../../UI/Audio/silent.ogg" type="audio/ogg">
<source src="'../../UI/Audio/silent.wav" type="audio/wav">
<source src="'../../UI/Audio/silent.aac" type="audio/mpeg">
</audio>
Enable Audio
<hr />
</body>

Webkit-playsinline on iphone

I'm currently working on a project with a lot of videos and this project needs to work on iphone.
But actually, the ios's video placeholder doesn't allows me to scroll in my page. I try to apply the webkit-playsinline attribute on my video tag but it doesn't work.
Is there a way - in full HTML5/JS - to prevent the native behavior of ios video player ?
I note that this problem is only on iphone (ios 7), not ipad.
Thanks !
Here my video tag :
<video vineresizer preload="auto" poster="{{vine.src_poster}}" loop webkit-playsinline="webkit-playsinline" controls="controls">
<source ng-src="{{ trustSrc(vine.src_video) }}" type="video/mp4">
</video>
And my js :
var video = element[0];
video.addEventListener('contextmenu', function (e) {
e.preventDefault(); e.stopPropagation(); },
false);
if (video.hasAttribute('controls')) {
video.removeAttribute('controls');
}

I've been looking into this issue extensively as well.
Unfortunately, 'webkit-playsinline' only works in a UIWebView in a native app, and then only when a flag is set in the native code. See this question.
From Apple's docs it seems there is no way to prevent this default behavior, but you can still capture the 'ended' and 'paused' events from the native player as if it were simply an HTML5 player inline in the page. I.e. event listeners on 'ended' etc. should still work.
You can also get some state information from the native player: https://developer.apple.com/library/safari/documentation/AudioVideo/Reference/HTMLVideoElementClassReference/HTMLVideoElement/HTMLVideoElement.html
Overall, you can only interact with the native player in a very limited way, and no known overrides exist.

In iOS 10+
Apple will finally enable the attribute playsinline in all browsers on iOS 10, so this will work seamlessly:
<video src="file.mp4" playsinline>
In iOS 8 and iOS 9
You can reproduce the behavior by simulating the playback by skimming the video instead of actually .play()'ing it.
iphone-inline-video can take care of the playback and audio sync (if any), and it keeps the <video> working as it should.

Phonegap Build, HTML5 Audio, Android

I'm developing this app for a local radio as part of community outreach type deal for my company (placement student) i kinda threw myself in at the deep end and decided to go with building this website -> app with only a tiny knowledge of the technologies i'm using however it's working quite well at the moment i'm just having a problem with the following.
So basically i'm trying to stream some audio using html audio tags. This works in my browser but not in my emulator (ripple emulator, nexus 4) nor on my android phone (HTC One).
Technologies - HTML5, CSS, Jquery Mobile and Phonegap Build.
I feel like i probably have to do something with Javascript.
<audio controls>
<source src="http://195.10.228.6:8035/canal.mp3" type="audio/mpeg">
Your browser does not support the audio element.
</audio>
Thanks for any help!
EDIT: to clarify i am able to see the audio player and also interact with it, it either just won't play sound or it doesn't play the stream not entirely sure.

<audio id="stream" preload='none'>
<source src="audio source" type="audio/mpeg">
Your browser does not support the audio element.
</audio>
play!
<script>
var stream = document.getElementById('stream'),
ctrl = document.getElementById('audioControl');
ctrl.onclick = function () {
// Update the Button
var pause = ctrl.innerHTML === 'pause!';
ctrl.innerHTML = pause ? 'play!' : 'pause!';
// Update the Audio
var method = pause ? 'pause' : 'play';
stream[method]();
// Prevent Default Action
return false;
};
</script>
This code fixes most things it will allow you to play through your phone and also only has a play/pause link. you can do any styling you wish later on.
problems-takes about 10seconds prior to clicking play to load ~ atleast for my stream anyways for local files probably alot easier

You need to include more sound formats, as the MP3 isn't probably supported. According to http://html5please.com/#audio you have to include at least OGG and AAC formats.
Also beware that Opera Mini does not support the audio tag at all. You should include a polyfill, some were mentioned in the first link (http://html5please.com/#audio).

Have you looked into adding your external site to the config.xml whitelist?
Documentation for this is available:
http://docs.phonegap.com/en/2.7.0/guide_whitelist_index.md.html#Domain%20Whitelist%20Guide

HTML5 video behavior on mobile devices

I am building a site where I have several <video> elements (looped animations) that act as part of my design (not as an actual video). This works quite well in desktop browsers, yet I am in trouble on mobile devices.When I display the site on Android or iOS devices (ie. mobile webkit) I will get the OS's video player appearance and the videos will open in some sort of popup when I click them. I do know that I can bypass the autoplay restrictions by doing sth like:
window.onload = function() {
var pElement = document.getElementById("myVideo");
pElement.load();
pElement.play();
};
But this will again open the video(s) in a seperate window...
Does anyone know of a possibility to emulate / enable desktop-like behavior on mobile devices? Thanks!
EDIT:
Markup is basic <video>-syntax btw:
<video autoplay loop>
<source src="vid.mp4" type="video/mp4" />
<source src="vid.ogg" type="video/ogg" />
<source src="vid.webm" type="video/webm" />
</video>

Hmm, I'm not sure about Android but iOS devices can't run multiple video streams simultaneously:
Multiple Simultaneous Audio or Video Streams
Currently, all devices running iOS are limited to playback of a single
audio or video stream at any time. Playing more than one video—side by
side, partly overlapping, or completely overlaid—is not currently
supported on iOS devices. Playing multiple simultaneous audio streams
is also not supported. You can change the audio or video source
dynamically, however. See “Replacing a Media Source Sequentially” for
details.

No, Android or iOS devices (ie. mobile webkit) are not able to run video as you are wanting . Video will open in a default video player of device.

YouTube uses a mov or mp4 with ios to load the native look and feel for videos, or it links out to their app to play the video since it's installed on every ios device.

Why do you need windows.onload to bypass autoplay? If I remember correctly setting the preload tag to none
<video src="vid.mov" preload=”none”></video>
should work.
Also, have you tried using the Video For Everybody approach? With that should be able to get the video to play in the web page rather than by the phone's OS, that way I believe you can achieve the same effect on supported devices.
EDIT: In regards to j08691's answer, an alternative approach for iPhones could be to design a simple web viewer app for the site for iPhone which has a workaround for the no-multiple video playing problem.