Method for reproducing an audio signal from a mobile telephone with a car radio and corresponding handsfree device
Ein Verfahren zur Wiedergabe eines Audiosignals eines Mobiltelefons (1) mit einem Autoradio, wobei das Mobiltelefon (1) über eine Audio-Eingangsschnittstelle (2) des Autoradios mit einem Audio-Verstärker (4) verbunden ist und der Verstärkungsfaktor des Audio-Verstärkers (4) steuerbar ist, hat die Sc...
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| creator | KAESSER, JUERGEN |
| description | Ein Verfahren zur Wiedergabe eines Audiosignals eines Mobiltelefons (1) mit einem Autoradio, wobei das Mobiltelefon (1) über eine Audio-Eingangsschnittstelle (2) des Autoradios mit einem Audio-Verstärker (4) verbunden ist und der Verstärkungsfaktor des Audio-Verstärkers (4) steuerbar ist, hat die Schritte: Erkennen eines Freisprechmodus, wenn das Mobiltelefon (1) in den Gesprächsbetrieb genommen wird; Umschalten des Verstärkungsfaktors (v) des Audio-Verstärkers (4) auf einen vordefinierten Wert, sobald ein Freisprechmodus erkannt wird.
The mobile telephone (1) is connected to the audio amplifier of the car radio (4), the gain of which can be varied. The method involves detecting a hands free mode when a call is made or received using the mobile telephone. The gain of the audio amplifier is switched to a preset value when the hands-free mode is detected. The preset value may be determined by measuring the input signal level at the audio input to the car radio for a defined time whilst the telephone is making or receiving a call. The average value of the measured level is formed, and the gain is set so that the difference between the average value and a reference value is minimised. An Independent claim is included for a car radio. |
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The mobile telephone (1) is connected to the audio amplifier of the car radio (4), the gain of which can be varied. The method involves detecting a hands free mode when a call is made or received using the mobile telephone. The gain of the audio amplifier is switched to a preset value when the hands-free mode is detected. The preset value may be determined by measuring the input signal level at the audio input to the car radio for a defined time whilst the telephone is making or receiving a call. The average value of the measured level is formed, and the gain is set so that the difference between the average value and a reference value is minimised. An Independent claim is included for a car radio.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TELEPHONIC COMMUNICATION ; TRANSMISSION</subject><creationdate>2001</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010404&DB=EPODOC&CC=EP&NR=1089447A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010404&DB=EPODOC&CC=EP&NR=1089447A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAESSER, JUERGEN</creatorcontrib><title>Method for reproducing an audio signal from a mobile telephone with a car radio and corresponding handsfree device</title><description>Ein Verfahren zur Wiedergabe eines Audiosignals eines Mobiltelefons (1) mit einem Autoradio, wobei das Mobiltelefon (1) über eine Audio-Eingangsschnittstelle (2) des Autoradios mit einem Audio-Verstärker (4) verbunden ist und der Verstärkungsfaktor des Audio-Verstärkers (4) steuerbar ist, hat die Schritte: Erkennen eines Freisprechmodus, wenn das Mobiltelefon (1) in den Gesprächsbetrieb genommen wird; Umschalten des Verstärkungsfaktors (v) des Audio-Verstärkers (4) auf einen vordefinierten Wert, sobald ein Freisprechmodus erkannt wird.
The mobile telephone (1) is connected to the audio amplifier of the car radio (4), the gain of which can be varied. The method involves detecting a hands free mode when a call is made or received using the mobile telephone. The gain of the audio amplifier is switched to a preset value when the hands-free mode is detected. The preset value may be determined by measuring the input signal level at the audio input to the car radio for a defined time whilst the telephone is making or receiving a call. The average value of the measured level is formed, and the gain is set so that the difference between the average value and a reference value is minimised. An Independent claim is included for a car radio.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TELEPHONIC COMMUNICATION</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjD0KAjEQRtNYiHqHuYDgz4JaiqzYCBb2y5hMNoFsJkyyen2z4AGsPni8982V3Kk4NmBZQCgJm1H72ANGwNF4huz7iAGs8AAIA798ICgUKDmOBB9fXOUaa46Tj9GAZhHKiaOZrlxF2QoRGHp7TUs1sxgyrX67UHBtn5fbmhJ3NUNNkUrXPrab46lpDufd_g_lCyGRQ1E</recordid><startdate>20010404</startdate><enddate>20010404</enddate><creator>KAESSER, JUERGEN</creator><scope>EVB</scope></search><sort><creationdate>20010404</creationdate><title>Method for reproducing an audio signal from a mobile telephone with a car radio and corresponding handsfree device</title><author>KAESSER, JUERGEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1089447A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2001</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TELEPHONIC COMMUNICATION</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>KAESSER, JUERGEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAESSER, JUERGEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for reproducing an audio signal from a mobile telephone with a car radio and corresponding handsfree device</title><date>2001-04-04</date><risdate>2001</risdate><abstract>Ein Verfahren zur Wiedergabe eines Audiosignals eines Mobiltelefons (1) mit einem Autoradio, wobei das Mobiltelefon (1) über eine Audio-Eingangsschnittstelle (2) des Autoradios mit einem Audio-Verstärker (4) verbunden ist und der Verstärkungsfaktor des Audio-Verstärkers (4) steuerbar ist, hat die Schritte: Erkennen eines Freisprechmodus, wenn das Mobiltelefon (1) in den Gesprächsbetrieb genommen wird; Umschalten des Verstärkungsfaktors (v) des Audio-Verstärkers (4) auf einen vordefinierten Wert, sobald ein Freisprechmodus erkannt wird.
The mobile telephone (1) is connected to the audio amplifier of the car radio (4), the gain of which can be varied. The method involves detecting a hands free mode when a call is made or received using the mobile telephone. The gain of the audio amplifier is switched to a preset value when the hands-free mode is detected. The preset value may be determined by measuring the input signal level at the audio input to the car radio for a defined time whilst the telephone is making or receiving a call. The average value of the measured level is formed, and the gain is set so that the difference between the average value and a reference value is minimised. An Independent claim is included for a car radio.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION |
| title | Method for reproducing an audio signal from a mobile telephone with a car radio and corresponding handsfree device |
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