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Questions tagged [audio]

The tag has no usage guidance.

-4
votes
2answers
139 views

Is it true that any current smartphone is broadcasting audio and position of its owner even if switched off and not given permission by the owner?

Is it true that any current smartphone is broadcasting audio and position of its owner by design even if switched off and not given permission by the owner to broadcast?
2
votes
1answer
106 views

Steganography in MP3s

Is there a way to hide a message in an audio file and hear it by playing it in reverse? Like if you play the audio file forward, it will skip my secret message and just play the next frame, but is ...
11
votes
2answers
861 views

How to find all the microphones in a room?

"Smart" devices are all around us nowadays and many of them have built-in mics which can be be misused to spy on you in cases when the device is hacked (which is rather probable to happen as there are ...
0
votes
1answer
87 views

What are the known ways to gain complete access to hardware audio?

Are there any known ways to gain access to firmware (bios/EFI) and permanently change the audio in a way that would effect the quality (Clarity, Volume, Frequency Range, Dynamic Range). For instance ...
5
votes
2answers
6k views

Can a speaker be used as a microphone?

From LWN's security quotes of the week: These days audio hardware usually consists of a very generic codec containing a bunch of digital→analogue converters, some analogue→digital converters ...
18
votes
3answers
10k views

How practical is a laser microphone and how to protect against it?

A laser microphone is a "surveillance device that uses a laser beam to detect sound vibrations in a distant object". - Wikipedia. It's also known as a Laser Based Listening System (LBLS). Firstly, ...
0
votes
1answer
119 views

Defeating audio spyware with low-tech

Malware can target camera and microphone and make them secretly record what's going on around the laptop. However, defeating camera spyware can easily be done with a piece of tape, something the FBI ...
1
vote
0answers
50 views

Is sending an audio file with a portion of an accession number a violation of HIPAA

Assuming a hypothetical scenario: The hospital radiology dictation system is down. The transcriptionist works off-site. The radiologist has the ability to record an audio file on his phone or laptop ...
1
vote
4answers
517 views

Is it possible to use steganography on an analog audio channel?

Is it possible to use steganography using an analog audio channel? I know this can be done using images. My idea is to encode an audio message in way that if listened by an ordinary device (e.g., ...
2
votes
3answers
4k views

Is it possible to put malware in an audio file with steganography?

I have recently read malware being hidden in a "usable" picture file with stenography such as this forum, https://www.bleepingcomputer.com/forums/t/574487/is-it-possible-for-a-virus-to-be-embedded-in-...
-1
votes
2answers
347 views

I have a very bizarre malware that I cannot seem to get rid of [closed]

Here is my horror story that I thought I would share to see if one had any great suggestions and maybe would be interested in researching my problem because it is very fascinating. If you are ...
5
votes
2answers
226 views

Does the iOS 10 keyboard click sound divulge too much?

The updated keyboard in iOS 10 has at least three distinct "click" sounds that I'm aware of: a high click upon entry of any normal character; a mid-range click when entering a space, toggling shift, ...
3
votes
1answer
131 views

Audio Streaming Server associated vulnerabilities

What vulnerabilities will I be facing with during using a server as a audio streaming server? Please explain all possibilities and all need-to-know stuff. The first thing made me think of ...
2
votes
1answer
126 views

Media files : how to protect from 0-day?

I am in the following situation : media files (image, audio, video) are uploaded from untrusted sources and made public to visitors. What are the best pratices for handling these potentially ...
-1
votes
3answers
389 views

Virus using input from victims mic to generate encryption keys [closed]

I am a software engineer from Bucharest and I've created an audio based encryption and authentication application called WaveCrypt. It basically allows users to encrypt (AES) their files with an ...
1
vote
1answer
3k views

How to know if there is an audio hidden message in an audio file? Can we hear it? [closed]

How many types for hiding audio in an audio file are there? And would we be able to realize or hear an hidden audio message in a song in all types of steganography?
6
votes
1answer
327 views

32-bit Radio Voice Encryption, is it really that secure? If so, how?

I'm a student studying Electrical and Computer Engineering and a ham radio operator (i.e. my knowledge of encryption is basic). More and more, police and local government radio has become encrypted, ...
0
votes
1answer
311 views

Audio not playing on Android (Kitkat 4.4.2 on LG G Pro 2 D838) via HTTPS [closed]

I am having issues playing an audio file on the chrome browser! This audio file plays on the chrome browser on my mobile LG G Pro-2(D838) running Kitkat 4.4.2 without any issues. But when i uploaded ...
-1
votes
1answer
106 views

Similarly to How Photos Have Meta Data, Does Audio As Well?

There have been cases where a photo's meta data was used to track people who posted the photo...Is this the same with audio? Is there a way to wipe this meta data? Also, what about when this audio is ...
3
votes
2answers
1k views

Is it possible to get malware through an incoming video/audio stream? (e.g. Omegle, Skype etc.)

Is it possible for incoming video/audio streams to contain malware through exploits in the transfer of the video/audio?
3
votes
1answer
343 views

Can I add 'user-identifying noise' to MP3 files to determine which user shared my file, if I find it later on the internet?

Problem I'm streaming MP3 files to users. Users are not allowed to share these files. I know that it's in the end impossible to not let anyone download the files. That's not the problem, people can ...