Questions tagged [pcm]

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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, ...
0
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1answer
29 views

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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2answers
555 views

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 ...
6
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3answers
1k views

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 ...
1
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2answers
2k views

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. :-...
5
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1answer
899 views

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 ...
0
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1answer
1k views

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 ...
3
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1answer
775 views

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 ...
2
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1answer
260 views

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 ...
1
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1answer
355 views

“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 ...
4
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4answers
1k views

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 ...