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THRESHOLD SHIFT [11 records]

Record 1 2015-03-03

English

Subject field(s)
  • Noise Pollution
  • Acoustics (Physics)
CONT

... after suffering an undetermined amount of acoustic assault that cause temporary deafness, the amplified music addict... may end up with noise-induced permanent threshold shift, or NIPTS.

Key term(s)
  • acoustical assault
  • acoustical insult

French

Domaine(s)
  • Pollution par le bruit
  • Acoustique (Physique)
CONT

[...] l'homme urbain, soumis volontairement [...] à des attaques acoustiques, est-il un malade en puissance, tout autant qu'il est asphyxié par l'air qu'il respire ou empoisonné par l'eau qu'il consomme.

CONT

[...] les agressions sonores ne se forment pas là : il faut aussi tenir compte du bruit du marteau piqueur (120 décibels), de celui de la moto (110 décibels).

Spanish

Save record 1

Record 2 2013-12-06

English

Subject field(s)
  • Noise Pollution
  • Radioelectricity
CONT

... after suffering an undetermined amount of acoustic assaults that cause temporary deafness, the amplified music addict... may end up with noise-induced permanent threshold shift, or NIPTS.

French

Domaine(s)
  • Pollution par le bruit
  • Radioélectricité
CONT

[...] les agressions sonores ne se forment pas là : il faut aussi tenir compte du bruit du marteau piqueur (120 décibels), de celui de la moto (110 décibels).

Spanish

Save record 2

Record 3 2011-07-19

English

Subject field(s)
  • Hearing
DEF

Temporary shift of threshold sensitivity following exposure to sound.

French

Domaine(s)
  • Ouïe
DEF

Élévation temporaire du seuil d'audition découlant d'une exposition plus ou moins prolongée au bruit.

Spanish

Save record 3

Record 4 2005-09-13

English

Subject field(s)
  • Acoustics (Physics)
  • Hearing
  • Noise Pollution
CONT

Temporary Threshold Shift(TTS) : is a relatively short-term loss of hearing acuity caused by exposure to loud noise. Complete recovery takes place, but it may require hours or even years. Usually it is initially accompanied by "ringing in the ears".

French

Domaine(s)
  • Acoustique (Physique)
  • Ouïe
  • Pollution par le bruit
DEF

Élévation récupérable du seuil d'audition sous l'action d'une exposition à un son.

CONT

Quand l'intensité du bruit ou la durée d'expos ition sont [...] faibles, la perte d'audition qui peut en résulter, c'est-à-dire l'élévation du seuil d'audibilité, est réversible [...].

OBS

Le symbole utilisé pour cette grandeur est TTS. L'indice affecté au symbole précise le temps en minutes au bout duquel la mesure de seuil a été faite après la fin de l'exposition.

Spanish

Save record 4

Record 5 1999-10-29

English

Subject field(s)
  • Acoustics (Physics)
  • Building Insulation and Acoustical Design
  • Audio Technology
DEF

Effect on the hearing of one sound when another sound is present; shift of the intensity threshold of audibility of one sound due to the presence of a second one.

CONT

When two sounds contain the same frequency components, the more intense sound can normally be heard and it is difficult or impossible to detect the other. This phenomenon is known as masking.

French

Domaine(s)
  • Acoustique (Physique)
  • Isolation et acoustique architecturale
  • Électroacoustique
DEF

Phénomène de modification du seuil de sensibilité auditive en raison de la présence de bruits environnants.

OBS

effet de masque : terme normalisé par l'AFNOR.

Spanish

Save record 5

Record 6 1989-09-25

English

Subject field(s)
  • Artificial Intelligence
  • Continuing Education
CONT

Because the student's viewpoint can shift, noise can itself become "data" in certain cases : the presence of noise may indicate a mismatch of viewpoints between system and student-what Burton and Brown(1979) have called the degree of cognitive tear. Beyond a certain threshold of cognitive tear, and if multiple viewpoints are available to a system, other viewpoints should be tried.

French

Domaine(s)
  • Intelligence artificielle
  • Éducation permanente
OBS

Rupture ou déchirure sont des termes trop concrets pour décrire les phénomènes cognitifs.

Spanish

Save record 6

Record 7 1986-07-30

English

Subject field(s)
  • Acoustics (Physics)
CONT

Temporary Threshold Shift(TTS) : is a relatively short-term loss of hearing acuity caused by exposure to loud noise. Complete recovery takes place, but it may require hours or even years. Usually it is initially accompanied by "ringing in the ears". Individual ears vary greatly in their susceptibility to TTS. Generally :...(c) broad-band steady state noise at 85-90 db for eight hours produces an average TTS of 10 db at frequencies above 1 000 Hz.

French

Domaine(s)
  • Acoustique (Physique)

Spanish

Save record 7

Record 8 1983-02-07

English

Subject field(s)
  • Taxation
OBS

(...) then the threshold is in fact being over-allocated to other members of the group and an offsetting adjustment is required(...) Source : Proposal to Shift the Federal Sales Tax to the Wholesale Trade level, p. 31.

French

Domaine(s)
  • Fiscalité

Spanish

Save record 8

Record 9 1983-02-03

English

Subject field(s)
  • Taxation
OBS

Those above this threshold(...) will be taxable on their annual tax content less an exempt amount called the annual tax deduction. Source : Proposal to Shift the Federal Sales Tax to the Wholesale Trade level, p. 29.

French

Domaine(s)
  • Fiscalité

Spanish

Save record 9

Record 10 1983-02-03

English

Subject field(s)
  • Taxation
OBS

Where a retailer in an associated group is allocated a tax threshold of less than one-third of its annual tax content, an annual tax advance will apply(...) Source : Proposal to Shift the Federal Sales Tax to the Wholesale Trade level, p. 31.

French

Domaine(s)
  • Fiscalité

Spanish

Save record 10

Record 11 1983-02-03

English

Subject field(s)
  • Taxation
OBS

Those above this threshold(...) will be taxable on their annual tax content less an exempt amount called the annual tax deduction. Source : Proposal to Shift the Federal Sales Tax to the Wholesale Trade level, p. 29.

French

Domaine(s)
  • Fiscalité
OBS

Les entreprises excédant ce seuil (...) seront taxables sur leur assiette moins une exemption appelée facteur de réduction de l'assiette.

Spanish

Save record 11

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