Demo Disc of the Surround Recording Platform
This disc contains examples of 5.0 multichannel recordings made using our Surround Recording Platform.
Demo DVD is now available
Our demo sound samples are now available under two formats:
- A DVD-ROM with 5 mono WAV files per audio extract (not to be played on a DVD player)
- A DVD-Audio (requires a DVD-Audio player able to play LPCM 24bits/48kHz stream)
It is possible to get this DVD during our exhibitions (see the
news page) or by sending an e-mail to
specifying which
form you prefer.
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DTS® CD Download
It is also possible to download a DTS® CD image containing the
same extracts. Just ask us the URL by e-mail: .
Warning: This DTS® encoded audio CD must be burned on a CD-R and must be played on a CD player digitally linked to a separated DTS® decoder. This disc can also be played on some recent DVD players with built-in DTS® decoder.
Description of the demo DVD contents
The demo DVD contains one directory per extract. Each directory contains 5 mono WAV files (excepted for downmixes, where only the relevant channels are included). These files are labeled with L, R, C, LS and RS for respectively the left, right, center, left surround and right surround channels.
It should be pointed out that no spot microphones were used in these extracts, except for the mix directory.
The contents is as follows:
01_listentome: large extract pointing out the capabilities of the
microphone.
- 01_Mozart-Requiem: extract of the Requiem by Mozart, recorded in St Eustache church in Paris, featuring the soloists. The bass, tenor, mezzo and soprano can be precisely located in sound space, from right to left. The reproduction of the acoustics of the church deserves also attention. A suggested manipulation is to listen separately to the front and rear channels to notice separation between channels.
- 02_Schubert-Ave_Verum: extract of the Ave Verum by
Schubert, recorded in St Eustache church in Paris.
You can find more information about Bernard Thomas, the conductor who performed these two extracts, here.
- 03_Schumann-Violin_Concerto: rehearsal of the
Violin concerto by Schumann, recorded in the concert hall
of the Cité de la Musique in Paris.
- 04_Wagner-Meistersinger: rehearsal of the prelude of the Meistersinger von Nüremberg by Wagner, recorded in the concert hall of the Cité de la Musique in Paris.
- 05_Visvikis-Meteore_(violin): extract of Meteore
by Demis Visvikis recorded in Salle Cortot in Paris.
- 06_Visvikis-L_Astre_de_l_Amour_(piano): extract of L'Astre de
l'Amour by Demis Visvikis recorded in Salle Cortot in Paris.
- 07_Visvikis-Miroirs_Alchimiques_(string_quartet): extract of
Miroirs Alchimiques by Demis Visvikis recorded in Salle Cortot in Paris.
You can find more information about Demis Visvikis, the composer of these three extracts, here.
- 08_Anacrouse_1_(choir), 09_Anacrouse_2_(choir) and 10_Anacrouse_3_(choir): extracts of choirs performed by the ensemble Anacrouse.
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- children1: recording done in a classroom of a primary school.
Children are talking around the microphone, some are proach, some are further away.
- children2: this recording was done in the same conditions as
above, but at this moment, a person passes in front of the microphone, which
produces a moving effect.
- children3: this recording features the same children too, but it was taken in the playground, where the children sing and run.
- bike: this recording features a motorbike passing in front of the microphone from right to left, then from left to right. A semi-urban environment (in particular birds) can also be heard.
- debate: the multichannel microphone was placed on a table around which about 5 people talk.
- concert_end: this is another extract of the Requiem featuring the end of the concert. Special attention should be paid to the rendering of the church reverberation. This extract also includes the applause.
- trolley: this is the recording of a trolley rolling on gravel from right to left and then back from left to right in a semi-urban environment.
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- 40_omni: the coverage angle of the SRP is set to 40° and the global sensitivity is set to a full omni.
- 40_oblate: the coverage angle of the SRP is set to 40° and the global sensitivity is set to an oblate omni.
- 40_frontal1: the coverage angle of the SRP is set to 40° and the global sensitivity is set to frontal emphasis 1, which attenuates sounds coming from the back, thus reducing reverberation.
- 40_frontal2: the coverage angle of the SRP is set to 40° and the global sensitivity is set to frontal emphasis 2, which attenuates sounds coming from the back more than frontal emphasis 1.
- 72_omni: the coverage angle of the SRP is set to 72° (ie pentagon layout) and the global sensitivity is set to a full omni.
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- SRP_to_spots: this technical recording was done in a living room and features a singer with a guitar. The SRP was quite far from the singer. Spot microphones were used for the singer and for the guitar. During this extract, the level of the SRP signals goes down to zero, while the level of the spot microphones raises from zero. The singer thus becomes more and more present during the song.
- 5.0: this is the original multichannel signal delivered by the SRP. It features a singer, playing also the harmonica and a guitarist on the right of the singer.
- 4.0: the quad down-mix of the above 5.0 recording. The center channel is sent with a gain of -6 dB on the left and right channels.
- 2.0: the stereo down-mix of the 5.0 recording (which is also the stereo down-mix of the quad down-mix). The surround left and right channels are respectively sent to the front left and right channels.
- 1.0: the mono downmix of the above.
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Now you have read this note, just listen and enjoy!
Used equipment:
- Recordings done in Salle Cortot were done using Audio Technica microphones and an MX2424 recorder.
- Other recordings were done using Schoeps MK2/CMC6 microphones, Presonus M80 preamplifier and RME A/D converters.
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