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
This document records the Audio Playback Technology of SDL. The version used here is sdl2. In fact, SDL does not provide the video/audio playback function. It only encapsulates the underlying API for video/audio playback. On Windows, SDL
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Notes:
General discussion of riff files:
References:
The wave file format is a subset of Microsoft's Riff specification for the storage of multimedia files. A riff file starts out with a file header followed by a sequence
IntroductionThe PDM represents the pulse density modulation. However, a better abbreviation is "1-bit oversampling audio" because it is simply a high-sample-rate, single bitrate digital system. If you are looking for an advantage, it is that the
Summarize the Web site audio live program and the problems encountered.Code: (GitHub, to be sorted)Results: With opus Audio encoding, the Web Audio API plays, which can reach up to 100ms latency, high-quality, low-flow audio live.Background: VDI
MAD (Libmad) is an open source High-precision MPEG Audio Decoder library that supports MPEG-1 standards. Libmad provides 24-bit PCM output, fully fixed-point computing, and is ideal for use on embedded hardware platforms without floating-point
I. Introduction
The implementation of embedded speech recognition technology in the 251 kernel.
Abbreviations and terminologies
Release
Specific person isolated word Speech Recognition
Voice recognition of
This paper consists of three parts, the first part of the background-audio type and the motive of this article, the second classification than MATLAB under the Wavread () function, the third part gives the C + + implementation of the function. A
I try all sorts of ways, wm8960 never get sound output. The debugging process is as follows:First, turn on the Power enable foot:Ret=gpio_request (sabresd_codec_pwr_en, "audio_pwr_en");if (!ret) {PRINTK ("Turn on Audio (wm8962) power! ( 1:enable) \
Porting ALSA audio library
Category: Linux Embedded driver development ()
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Playbackaudio embedded test linuxtimer
Andrew Huang
Bluedrum@163.comALSA is a late audio processing library in Linux, which is
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