The browser plays the audio file directly, 1 is the direct access to an HTML audio file, and 2 is the return of a Java audio stream to the browser parsing.The following implementation of a Java WAV file audio stream, you can play audio files directly1 Packageorg.lib.speech.
Java audio playback, because you have to rely on the local environment, so Java has little advantage in audio processing, or since the Java system development is not too much to consider audio playback factors, to know the first version of Java 1.1, No later Javax.sound package, audio can only be transferred through th
This article to crawl Himalaya "the novel of the Four Kingdoms-the original reading aloud," the book as an example, demonstrates the Python crawler.
Original book Address: http://www.ximalaya.com/4228109/album/268522/
1. Enter the address we can find that the page has a very neat directory, then the page source code must also have a very regular directory, go in and see.
2. Clearly guessed right, the source code does have this very obvious rule, each chapter has its own fixed template:
But at t
from the theoretical height of analysis, if you are experiencing problems, through the search engine came here, please directly read the article "Summary", this part of the reference post is basically Ubuntu audio problem Daquan.Now let's take a bottom-up analysis of this problem from the bottom up.First of all, the Linux community is facing the biggest and most realistic status quo, is to get too little support. From the chip level, each OEM has the
In a big aspect, the android audio system architecture has not changed much compared with Android. The analysis of the audio architecture of 2.2 still applies to 2.3. Many people have already elaborated on this aspect in detail and I will not repeat it here. The storage location of files in each module has changed, so you need to understand this.
1. A major improvement is the introduction of the mixable
Transferred from: http://www.cnblogs.com/javawebsoa/archive/2013/05/20/3089511.htmlThe students who have been in touch with iOS audio development know that core audio is the basis for the digital audio processing of iOS and MAC, which provides a set of software frameworks that the application uses to process audio, and
*/public static final int stream_ring = 2; /* Ringtones and SMS Tips */public static Final intstream_music = 3; /* Music Playback */public static Final intstream_alarm = 4; /* Alarm Bell */public static Final intstream_notification = 5; /* Notify Sound *//* The following are hidden types, not open for upper application */public static Final Intstream_bluetooth_sco = 6; /* Call when connecting to Bluetooth */public static Final intstream_system_enforced = 7; /* Mandatory system sounds, such as t
1. The principle of audio and video synchronization
2. A more positive method for audio and video synchronization
3. Audio and video synchronization problems encountered
Disclaimer: All content Below is reproduced
1. Original from: http://bbs.chinavideo.org/viewthread.php?tid=1183extra=page%3D1%26amp%3Bfilter%3Ddigestpage=1
The following sections are posted:
1. The principle of audio and video synchronization
2. A more positive method for audio and video synchronization
3. Audio and video synchronization problems encountered
Disclaimer: All content Below is reproduced
1. Original from: http://bbs.chinavideo.org/viewthread.php?tid=1183extra=page%3D1%26amp%3Bfilter%3Ddigestpage=1
The following sections are posted:
Android calls the built-in recording audio program
Android has its own Audio recording program. You can specify an Action MediaStore. Audio. Media. RECORD_SOUND_ACTION Intent.
Start it. Then, in the onActivityResult () method, retrieve the Intent Data, which is the URI of the recorded audio.
Java code:
Copy codeThe Co
1. Audio and videoVideo on the WebUntil now, there is still no standard for displaying video on a Web page.Today, most videos are displayed via plugins (such as Flash). However, not all browsers have the same plugin.HTML5 provides a standard way to include video through the visual element.Video FormatCurrently, the video element supports three types of videos:Format IE Firefox Opera Chrome SafariOgg no 3.5+ 10.5+ 5.0+ NoMPEG4 9.0+ No no 5.0+ 3.0+WebM
HTML5 's audio provides audio playback, but the native player style is not very good-looking, and the browser's appearance of the audio is not uniform. We can implement a responsive, touch-smart player with a slightly packaged audio.
Html
In fact, if only the above code, in support of HTML5 browser on the normal di
The child learns English, the pronunciation is the difficulty, often before learns behind forgets. If they can make audio books and courseware for them, they can greatly reduce the difficulty of their learning and save the parents ' tutoring time. WPS launched a practical office gadgets-"audio", Chinese and English words, phrases, sentences, articles can be read aloud or generate voice files, I believe it c
information such as user names and passwords, or inject malicious software into it.
This SSL security vulnerability was first introduced into the iOS system in 2012, but only for Mac computers with OS X 10.9 systems installed. Users who use the OS X "Lion" and "Mountain Lion" systems are not affected.
In fact, the OS X 10.9.2 system has already launched a beta version last December, and then released 7 Beta updates, the launch of this formal version of the Emergency repair of the SSL vulnerab
The previous article (latency) and the reduction method at the end of the speech communication, said that from the beginning of this article will cut into the WebRTC Neteq theme, Neteq is one of the two core technologies of audio technology in WEBRTC (another core technology is the front and back processing of audio, including AEC, ANS, AGC etc, commonly known as 3 a algorithm). WEBRTC is an open source of
Using Html5media.js to view HTML5 video and audio files on all browsers, it makes up for the low version IE browser does not support How to use it?To make HTML5 's video and audio tags work on all browsers, you must include the following line of code inside the head of the page:
You can then add a video using the following code:You can also add a section of audio
The operation of the audio device is primarily to initialize the audio device and send PCM (Pulse Code modulation) data to the audio device. For convenience, this article uses the libraries and drivers provided by ALSA (Advanced Linux Sound architecture). When compiling and running the MP3 streaming Media player in this article, you must first install the ALSA-re
There is a big difference between Waveoutgetnumdevs and Mixergetnumdevs. Or an example to see the phenomenon of my machine has three sound cards, respectively: 0--serial audio Device 1--usb audio Play 2--vinyl AC ' EG1: #define My_aud Io_name "Serial Audio Device" int Getwaveoutid () {
int ndevnum = Mixergetnumdevs (); The difference is right here. Ndevnum is 2
C
Audio BasicsWhat are the important attributes of sound?
Loudness (loudness)
Loudness is the size of the various sounds that humans can perceive, that is, the volume. Loudness is directly related to the amplitude of sound waves.
Tone (Pitch)
The tone is related to the frequency of the sound, and the greater the frequency of the sound, the higher the tone the human ear perceives, or the lower it will become.
Tone (Qu
I. Basic Concepts
1 bit rate: the number of bits required for encoding (compression) audio data per second. The unit is usually kbps.
2. Sound Intensity: the subjective attribute of a sound indicates the degree to which a sound is heard. The intensity of the sound changes, but it is also affected by the frequency. In general, the intermediate frequency pure audio is better than the low frequency and hig
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