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apt-X audio coding

apt-X audio coding

Outstanding audio quality

apt-X technology is what wireless audio has been waiting for. With apt-X
audio coding, you can be assured of crisp, pure and full stereo sound. It
allows you to not only hear, but experience and feel the audio as it was
intended. Utilizing apt-X, 

Bluetooth

 can now offer wireless audio quality

that is indistinguishable from the highest quality wired connection.

Professional Grade Sound

Until now, apt-X has been the best-kept secret of the professional audio
industry. From major public broadcasters to film production studios, apt-X
is used throughout the world to transmit high quality digital audio from
A to Z in real-time. It was developed to meet the exacting standards of
musicians and audio engineers who love the exceptional dynamic range
and high fidelity it provides. 

Now available on selected consumer devices, the technology ensures that
music lovers everywhere can stream the rich listening experience that only
apt-X can deliver.

Revolutionizing Bluetooth

listening

Bluetooth

 technology has revolutionized our communications and

lifestyle by eliminating troublesome wires and letting us get on with life
“on the move”. Listening to a mobile phone conversation on a 

Bluetooth

earpiece sounds just fine but when it comes to delivering full stereo sound,
a little extra help is required. apt-X works within 

Bluetooth

 to deliver CD

quality audio, ensuring you are getting the most from your wireless
listening experience. 

In order to deliver two-channel digital sound within the 

Bluetooth

A2DP profile, audio compression is necessary. While traditional audio
compression technologies struggle to provide full-bandwidth, high-fidelity
audio over 

Bluetooth

, apt-X works to ensure you enjoy the fullest, richest

sound your music collection has to offer. 

apt-X legacy

If you have ever been to the movies or listened to the radio then chances
are you’ll already have heard apt-X in action. Over 20,000 radio stations
across the world and thousands of cutting-edge film studios rely on apt-X
for high quality audio delivery. 

The digital compression technology now known as apt-X was originally
developed in Queen’s University, Belfast, Northern Ireland. The technology
was first brought to market for radio automation applications to store CD
quality audio on computer hard drives for direct playout during radio
shows, hence automating the process of the disc jockey.

The acclaim the technology received lead to further research and
development and throughout the 1990s the technology was used by
Broadcast and Post-production studios worldwide to deliver high-fidelity,
low latency audio in situations where bandwidth was limited. The same
core principles that have earned apt-X worldwide acclaim in the Broadcast
and Post-Production markets make it the perfect solution for delivering
high quality audio on wireless devices. apt-X is leading the way in bringing
pro-audio quality to the discerning consumer. 

Summary of Contents for PXC 310 BT

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Page 14: ...Instruction Manual PXC 310 BT Travel Silence For Your Aural Indulgence...

Page 15: ...4 Adjusting the headband 15 Using the PXC 310 BT 16 Switching the headphones on off 16 Adjusting the headphones to the listening situation 17 Changing the volume 18 Remote controlling connected device...

Page 16: ...th cardiac pacemakers and implanted defibrillators Keep the headphones at least 1 2 3 cm from cardiac pacemakers or implanted defibrillators Please protect your hearing from high volume levels Sennhei...

Page 17: ...ard a smoke or gas hazard Keep away from children Do not pack charged batteries loose danger of shorting out fire hazard Observe correct polarity Do not short circuit Dispose of the battery pack at sp...

Page 18: ...s used throughout the world to transmit high quality digital audio from A to Z in real time It was developed to meet the exacting standards of musicians and audio engineers who love the exceptional dy...

Page 19: ...Duofol diaphragms Optimum protection against ambient noise due to active and passive noise attenuation Great for travel comfortable rugged and foldable headphone construction with single sided detach...

Page 20: ...ng cable 1 PSC 03R 050 mains unit with country adapters 1 audio cable 2 5 mm to 3 5 mm jack plug 1 audio adapter 6 35 mm jack plug 1 in flight adapter 3 5 mm double mono jack plug 1 transport case 1 q...

Page 21: ...his button pressed until the desired setting is made or the desired action is completed 4s Pictogram Meaning This pictogram symbolizes a flashing This pictogram symbolizes an interruption This pictogr...

Page 22: ...el Headband Earpad Microphone Microphone NoiseGard button Socket for charging cable Socket for audio cable Battery pack compartment Bluetooth button A A Star LED Rewind button Fast forward button Mast...

Page 23: ...he Star LED on the headphones flashes red You hear a short negative acknowledgement tone The operating time of the battery pack depends on the device settings the listening situation and the audio sou...

Page 24: ...the socket for charging cable on the battery pack Connecting the charging cable to the mains unit to a PC or to other USB devices In order to charge the battery pack you can connect the charging cabl...

Page 25: ...he first audio source you have to pair the headphones with this audio source again If your audio source does not have a Bluetooth interface use an optional dongle see Accessories and spare parts on pa...

Page 26: ...stablished the Star LED continues to slowly flash blue If no device is found within approx 5 minutes the Star LED flashes 3 times red and you hear a descending beep The headphones will then try for 3...

Page 27: ...oth connection is automatically deactivated The headphones switch off To switch the Bluetooth function off Press the Bluetooth button and keep it pressed until the Star LED flashes 3 times red You hea...

Page 28: ...e audio cable to the headphone socket of your audio source or the audio adapter for 6 35 mm jack socket if the 3 5 mm jack plug of the audio cable is too small or the in flight adapter if you want to...

Page 29: ...ed to properly fit your head Wear the headphones so that the headband runs over the top of your head Adjust the length of the headband so that the earpads rest comfortably against the ears you feel ev...

Page 30: ...n the headphones are already paired with an audio source but the audio source is switched off or out of range the Star LED flashes blue The headphones will try for 3 minutes to connect to one of the 5...

Page 31: ...he NoiseGard function is switched off Switching the TalkThrough function on off The headphones provide excellent attenuation of ambient noise The TalkThrough function allows you to communicate undistu...

Page 32: ...ear a descending beep The Bluetooth button goes off The Star LED flashes blue and the Bluetooth function is switched off Changing the volume The headphones allow you to change the volume of the audio...

Page 33: ...f the headphones You can reset the volume and connection settings of your headphones to the original settings This allows you to prevent that other users of the headphones can access your Bluetooth en...

Page 34: ...ones can be folded up flatly and compactly Rotate the earcups by 90 Tuck the earcups between the headband Place the headphones flat into the transport case Your accessories can be transported in the c...

Page 35: ...he earpads You can replace the earpads Spare earpads are available as accessories see Accessories and spare parts on page 23 Grasp the edge of the earpad behind the earcup and peel it up and away from...

Page 36: ...o cable automatically switches off the Bluetooth connection Remove the audio cable and then switch the Bluetooth function on again page 14 The volume is adjusted too low Increase the volume page 18 He...

Page 37: ...are part 531404 Earpads 1 pair 531405 Headband padding 1 pair 521829 PSC 03R 050 mains unit with 4 country adapters EU UK US AU 531406 Audio cable 2 5 mm jack plug to 3 5 mm jack plug 525731 In flight...

Page 38: ...05 g BA 370 PX battery pack Charging time Operating time 3 7 V 250 mAh Lithium Polymer 3 hrs 8 hrs 12 hrs 20 hrs Operating temperature range 0 C to 40 C Storage temperature range 10 C to 70 C Passive...

Page 39: ...ooth to deliver CD quality audio ensuring you are getting the most from your wireless listening experience In order to deliver two channel digital sound within the Bluetooth A2DP profile audio compres...

Page 40: ...92 dB for 16 bit audio and 120 dB for 24 bit audio The overall framework of apt X ensures a high degree of resilience to random bit errors with the bit error response well matched to the auditory res...

Page 41: ...ding FCC and industry Canada This device complies with Part 15 of the FCC Rules and with RSS 210 of Industry Canada Operation is subject to the following two conditions 1 this device may not cause har...

Page 42: ...encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect th...

Page 43: ...Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany Publ 01 09 www sennheiser com 532820 A02...

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