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Tag: audio

Audio – How to use the direct write mode to write a simple SoundBlaster 16 driver for a hobby operating system?

I am developing a 32-bit, protected mode hobby operating system. Currently, I want to add simple sound support. For this, I want to use Sound Blaster 16 and write in direct mode Into the DAC (I wan

October 17, 2021By Simo Os Theory audio, Direct, driver, hobby, how to use, mode, one, Operating System, simple, SoundBlaster, writeLeave a Comment

How to record specific application audio? VB.NET

How to create an application that can use VB.net to record the audio output of another application? I have extracted some parts of the old TextToSpeek program.

MCI recording effect Very go

October 6, 2021By Simo Visual Basic application, audio, How to recording, specific, VB, VB.NETLeave a Comment

How to avoid audio sampling 16-bit clipping after balance?

I have samples from ffmpeg, usually it is a 16-bit sample (short type), I used an iir bandpass filter with dbGain, as described here, after filtering , I sometimes get a short overflow, and the res

October 1, 2021By Simo Load Balance audio, balance, bit, Cut, how to avoid, sampling, waveLeave a Comment

iPhone – Recording block audio on iOS background

I’m trying to figure out a way to record audio in the background of an iOS application and stream it to the server.

When the application is in When in the foreground, I almost got this featur

September 23, 2021By Simo iPhone audio, Background, block, IOS, iPhone, recordingLeave a Comment

iPhone supported audio file format

What audio file formats are supported in iPhone?

If I want to play 2 hours of audio files, what is the best audio file format in my application?

Thank you

Audio playback and recor

September 23, 2021By Simo iPhone audio, file format, iPhone, supportLeave a Comment

iPad – iOS5: MPMOVIEPLAYERCONTROLLER Only video, no audio

This is not No video, the only problem with audio. On the contrary.
There is a problem when using iOS 5.0. iPad running version 4.3 or lower can play the same video file perfectly .

Because

September 22, 2021By Simo Ipad audio, IOS, iOS5, iPad, limited, MPMOVIEPLAYERCONTROLLER, VideoLeave a Comment
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