from research organizations
2
Is there a way to rename a sound card in Mac OS X? Ask Question Asked 10 years, 7 months ago. Active 10 years, 7 months ago. Viewed 8k times 17. I have multiple. Jun 29, 2019 Before you can use Background Music to set different volume levels for apps, you need to understand how it works. The volume level for an app is set relative to the current volume level for the OS. For example, if your volume is currently set to 50%, the volumes you set for an app will always be equal to, or less than 50% of the volume. Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support. The final chord of the Beatle’s “A Day In The Life” is an amazing moment, and was a key inspiration for my Mac startup sound. Here’s another interview at a coffee shop near my home. If you jump to the 13:15 mark, I tell the story of how I created the Mac startup sound. A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system.It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and from the Batman character Two-Face.
- Date:
- October 4, 2001
- Source:
- American Institute Of Physics
- Summary:
- While scientists have thoroughly researched many other human sounds, such as singing and talking, remarkably little is known about the acoustics of laughter. Seeking to rectify this, psychologists studied 1024 laughter episodes from 97 young adults as they watched funny video clips from films such as 'When Harry Met Sally' and 'Monty Python and the Holy Grail.' The surprising results were published in a recent paper.
- Share:
Humans have many ways to express themselves, but one of the most enjoyable-and mysterious-is laughter. More than a frivolous emotional outburst, laughter has many important functions in human communication, playing major roles in social situations ranging from dates to diplomatic negotiations.
While scientists have thoroughly researched many other human sounds, such as singing and talking, remarkably little is known about the acoustics of laughter. Break the system mac os. Seeking to rectify this, Vanderbilt psychologist Jo-Anne Bachorowski and Cornell psychologist Michael Owren studied 1024 laughter episodes from 97 young adults as they watched funny video clips from films such as 'When Harry Met Sally' and 'Monty Python and the Holy Grail.' The surprising results were published in the September 2001 issue of the Journal of the Acoustical Society of America.
'We tend to think of laughter as being tee-hee or ho-ho, sorts of sounds,' said Bachorowski. Game jam escape mac os. But their results showed otherwise.
First of all, laughers produce many different kinds of sounds, including grunts and snorts. The investigators found interesting sex differences in the use of these sounds, with males tending to grunt and snort more often than females.
The sex differences don't end there. Women produced more song-like laughter than men. These song-like laughs are 'voiced,' meaning that they involve the vocal folds, the tissues in the larynx involved in producing vowels and related sounds.
In men and women alike, laughs are surprisingly high-pitched. To determine this, the researchers took each voiced laugh and measured its 'fundamental frequency,' which corresponds to the rate at which the vocal folds vibrate, and is heard by listeners as pitch. They found that women's laughter, on the average, was twice as high-pitched as normal speech (had twice the fundamental frequency). Men's laughter was, on the average, 2.5 times more higher-pitched than their normal speech (had 2.5 times the fundamental frequency).
Even more remarkable were the very high frequencies of some voiced laughs. Male fundamentals were sometimes over 1,000 Hertz (Hz)-about the pitch of a high 'C' for a soprano singer. Females were sometimes over 2,000 Hz-one octave higher than a soprano's high C. These high fundamentals were unexpected. 'I personally didn't imagine that males and females would produce sounds with fundamentals that high in natural circumstances,' Bachorowski said.
Santa Claus may also have to change his tagline, as researchers found that voiced laughter does not consist of articulated vowel-like utterances, like 'tee-hee,' 'ha-ha,' or 'ho-ho.' Instead, laughter is predominantly composed of neutral, 'huh-huh' sounds.
Ever think your laugh sounds funny when you're stressed out? The researchers found lots of evidence that laughter can be associated with out-of-the-ordinary vocal physics, such as whirlpools of air or whistles near the larynx. While the researchers don't know with certainty what the origins of such effects are, they may be associated with a high level of emotional arousal on the part of laughers.
The researchers are in the midst of further studies of laughter. For example, they are studying the impact that these sounds have on emotional responses in listeners. They are also looking to uncover what happens in the human brain when listeners hear laughter. Another piece of their work involves studying whether laughter is speech-like in the sense of providing 'meaning' or symbolic value to listeners. The investigators instead think that laughter functions largely to sway a listener's emotional response, with any meaning attributed to the sounds inferred or interpreted from the situation in which the laughter is produced.
This research was funded by the National Science Foundation.
Story Source:
Materials provided by American Institute Of Physics. Note: Content may be edited for style and length.
Intervalo mac os. Journal Reference:
- Jo-Anne Bachorowski, Moria J. Smoski, Michael J. Owren. The acoustic features of human laughter. The Journal of the Acoustical Society of America, 2001; 110 (3): 1581 DOI: 10.1121/1.1391244
Cite This Page:
American Institute Of Physics. 'Acoustics of laughter: New insights into this mysterious form of expression.' ScienceDaily. ScienceDaily, 4 October 2001. <www.sciencedaily.com/releases/2001/10/011004065312.htm>.
American Institute Of Physics. (2001, October 4). Acoustics of laughter: New insights into this mysterious form of expression. ScienceDaily. Retrieved April 30, 2021 from www.sciencedaily.com/releases/2001/10/011004065312.htm
American Institute Of Physics. 'Acoustics of laughter: New insights into this mysterious form of expression.' ScienceDaily. www.sciencedaily.com/releases/2001/10/011004065312.htm (accessed April 30, 2021).
- RELATED TERMS
- Laughter
- Acoustics
- Psychologist
- Narcissism
- Sound effect
- Aggression
- Delirium
- Social psychology
RELATED STORIES
Canned Laughter Works, Finds New Study of 'Dad Jokes'
July 22, 2019 -- Adding canned laughter to the end of a punchline increases how funny we find a joke, but not as much as real laughter, finds a new ..
For Infants, Distinguishing Between Friends and Strangers Is a Laughing Matter
Mar. 11, 2019 -- Infants as young as five months can differentiate laughter between friends and that between strangers, finds a new study. The results suggest that the ability to detect the nature of social ..
How Do Babies Laugh? Like Chimps!
Nov. 7, 2018 -- Few things can delight an adult more easily than the uninhibited, effervescent laughter of a baby. Yet baby laughter, a new study shows, differs from adult laughter in a key way: Babies laugh as they ..
The Sound Of Laughter Mac Os Update
Move Towards 'Holy Grail' of Computing by Creation of Brain-Like Photonic Microchips
Denali For Short
Sep. 27, 2017 -- Scientists have made a crucial step towards unlocking the 'holy grail' of computing -- microchips that mimic the way the human brain works to store and process ..
Check your sound settings
First, disconnect any cables from the USB, Thunderbolt, or 3.5mm audio ports on your Mac.
All Mac Os Sounds
- From the Apple menu , choose System Preferences.
- Click Sound.
- Click the Output tab, then select the built-in speakers. If you don’t see built-in speakers as an option in the Output window, contact Apple Support.
- If the Output volume slider is set low, move the slider to the right and test again.
- If the Mute checkbox is selected, deselect it and test again.
- If you still don’t hear any sound, contact Apple Support.