随笔分类 -  audio

摘要:Microphone bias refers to a small DC voltage applied to a microphone's input line to provide power to the microphone's internal electronics. This is c 阅读全文
posted @ 2024-12-17 09:12 stitchCat 阅读(107) 评论(0) 推荐(0)
摘要:what's dsp A Digital Signal Processor (DSP) is a specialized microprocessor designed specifically for processing digital signals in real-time. Let me 阅读全文
posted @ 2024-12-06 18:34 stitchCat 阅读(99) 评论(0) 推荐(0)
摘要:References: Inter-IC Sound (I2S) I2S (Inter-IC Sound) is a serial bus interface standard used for connecting digital audio devices, such as microcontr 阅读全文
posted @ 2024-09-23 16:27 stitchCat 阅读(91) 评论(0) 推荐(0)
摘要:Based on chatGPT 1. 什么是左声道和右声道? 左声道和右声道是指在立体声(Stereo)系统中,声音信号的两个独立音轨。 左声道(Left Channel):主要负责播放来自左侧的音频信号,通常会通过左边的扬声器或耳机发声。 右声道(Right Channel):主要负责播放来自右 阅读全文
posted @ 2024-09-23 15:12 stitchCat 阅读(1743) 评论(0) 推荐(0)
摘要:Reference: 音频处理——详解PCM数据格式 参考文章中的补充 Question1: 为什么音频需要编码 和图像压缩原理对比 数字音频信号如果不加压缩地直接进行传送,将会占用极大的带宽。 例如,一套双声道数字音频若取样频率为44.1KHz,16bit量化,码率为 2 x 44.1kHz x 阅读全文
posted @ 2024-06-13 17:48 stitchCat 阅读(872) 评论(0) 推荐(0)