decibel

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Default for 0db sound level as an absolute float value

I\'m currentyl building something like a tiny software audio synthesizer on Window 7 in c++. The core engine is running and upon receiving midi events it pl开发者_JAVA技巧ays notes, changes programmes[详细]

2023-04-12 03:39 分类：问答
Wrong decibel result on fft data

If i remember the decibel range is bit depth * 6. I play wav file that his bit depth = 16 (using NAudio lib) and I get the fft result then i\'m calc the deci开发者_如何学运维bels for each fft result.[详细]

2023-04-09 18:23 分类：问答
How can I quickly loop through chunks of audio and determine their sample values (amplitude/power level/etc) in Core Audio?

What I\'m trying to accomplish is basically as follows: Open up a file, determine how many \'samples\' I will need based on its duration[详细]

2023-03-24 11:49 分类：问答
How to detect ambient sound level on the iPhone?

I need to create an audio loudness (decibel) detector. To clarify, I am not trying to find the volume at which the iPhone is playing, but instead the volume of its surro开发者_开发百科unding in decibe[详细]

2023-03-20 08:19 分类：问答
Calculate Decibel from amplitude - Android media recorder

How to calculate decibel from maxAmplitude, I wrote an android applicat开发者_运维问答ion to get maxAmplitude at regular interval, I need to show the o/p to the user in decibels.Decibels are a relativ[详细]

2023-03-17 07:52 分类：问答
C# How to get Audio Decibel values with time span

how can I get Decibel values of a wav/mp3 file I have every 1 second? using any audio library that works with C#..[详细]

2023-03-09 21:11 分类：问答
decibel是什么轮胎？

庞博 2021-04-28 10:13开发者_C百科 tuneful是全世通轮胎，山东生产。　　轮胎是汽车上最重要的组成部件之一，它的作用主要有：　　1、支持车辆的全部重量，承受汽车的负荷，并传递其他方向的力和力矩；　　2、[详细]

2023-03-04 02:37 分类：问答
Confusion with meters in AVAudioRecorder

Simply put, I\'m trying to lip-sync something based on the decibel reading from the mic input stream of an iPhone, and the values I\'m getting aren\'t quite what I\'m after. I\'m using AVAudioRecorder[详细]

2023-02-25 20:48 分类：问答
read mp3 decimal values

I would like to read the be able to store the decibel values across intervals of a local mp3 into a text file. i think i can h开发者_Python百科andle writing to a text file once i have the values(altho[详细]

2023-02-21 20:03 分类：问答
What class is responsible for recording sound in Objective-C?

I wanted to make a decibel counter for the iPhone, but don\'t know what class is responsi开发者_Python百科ble for recording sound. It\'s the AVAudioRecorder. You need to add the AVFoundation.framework[详细]

2023-02-05 05:56 分类：问答