Questions tagged [pcm]
The pcm tag has no usage guidance.
16
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How to interpret this PCM data?
I am attempting to write a program to get the ATmega328P to play audio. I first tried to use this library , but I could not get it to work, so I am now attempting to program my own. The problem is ...
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How to relate audio PCM data to a dB SPL value?
I've got a set with MEMS microphones that measure audio signals at ultrasonic frequencies. The MEMS microphones have a PDM output which is then converted into PCM (this is necessary to allow for a ...
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What causes the spike in PCM signal?
I decode an mp3 song using two different methods. The output PCM signals are shown in Figure 1 and Figure 2 respectively. Both the decoded output files have the same file size and audio quality. ...
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Corrupted / duplicated audio from a Tascam DR-60DMKII
I have a really strange problem with an audio recording from my Tascam DR-60DMKII linear PCM audio recorder.
I recorded about 40 minutes of audio using DUAL ST mode, where two audio streams are ...
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WAV - Bytes per video frame
I hope this question will be interpreted more as the nature of maths than the coding examples provided within:
Using the ffmpeg-fluent library for Node.js I'm able to extract PCM (WAV) audio. I've ...
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What would cause a recording to have a completely symmetric frequency plot?
I'm developing software that receives PCM audio data and converts it to a WAVE file. The audio stream has the following characteristics:
16 bit signed integers
6000 frames sent every 1/8th seconds, ...
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103
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What is gain when the input is digital and the output is analogue?
I understand that the gain of an amplifier is the ratio between its input and its output. E.g., a 6dB gain means that a 3V input gets amplified to 6V.
How is the gain defined if the input is a 16-bit ...
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How to generate 8 bit unsigned PCM code comma separated
Does anyone know if the audacity is capable of generating 8 bit unsigned PCM code comma separated or just 8 bit unsigned PCM code that are represented as bytes/number values?
If not, any clues on ...
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How to record wav file in bit depths lower than 8 bit?
First of all, sorry if this is not the right stackexchange site to ask this, but here it goes.
For research and learning purposes I want to record wav files at different sample rates and bit depths ...
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Direct Stream Digital (DSD) editing software, no PCM
What editing programs work with Direct Stream Digital (DSD) audio without changing to PCM first? In other words, software that stays in the DSD format from beginning to end? Free would be a bonus. :-...
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Are compressed audio files converted to raw pcm by audio players?
When audio players (like VLC, for example) play compressed audio files (like mp3, for instance), do they first convert them to pcm data (like in wav files) and then play it? It seems very logical to ...
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Sony PCM-D100 Mic In
here is a question I also asked on gearslutz:
I'm planning to build my first field recording rig. I already have a 416 + Blimp.
Until now, my plan was to get a SD 702 and a Sony PCM-M 10.
For me, a ...
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Volume treatment in WAV (PCM) file
I'm working with data taken from the wav files (i.e. an array of integer values). Is it right to think of max volume of wave as the max value of the values from the wav file? I want to process these ...
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Sine wave making no sound
I'm experimenting with generating sound programmatically. As I understand the math, I think I'm creating a 5-second long mono-channel sine wave at the frequency of "middle C," but when I play back the ...
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"PCM audio (channels 3 & 4 also)" Please help, what does this mean?
Hi there, I've been commissioned to do some sound design work on a DVD documentary, which is possibly going to be mass produced.
I've been forwarded an email via the editor asking for the files to ...
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Alternative to standard Sony PCM D50 windsock?
Has anyone with a Sony PCM D50 had better luck with an alternative or custom windsock?
Cutting out wind from recordings on near-windless days is getting a bit tired..
It's great otherwise, so I'm ...
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