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MAYAH C11 Series Manual

Mayah c11 audio codec manual
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Manual for C11
© 2010 MAYAH Communications

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  • Page 1 Manual for C11 © 2010 MAYAH Communications...
  • Page 2 MAYAH, C11, FLASHCAST are registered Trademarks. All other trademarks are acknowledged with this. C11 User Manual; Order-No. C11-UM001 Revision 02/2010 © 2010 MAYAH Communications For copying this manual, even by extract, an explicit written permission of Mayah Communication GmbH is required.

  • Page 3: Table Of Contents

    Graphic User Interface ........................... 16 Switching On and Off Useful Hints ........................... 16 ................................. Default IP settings ................................. How to access C11 via FTP ................................. How to start Web Remote ................................. How to update C11 firmware ................................. How to activate Keycodes .................................
  • Page 4 Manual for C11 ................................. Setup menu ..............................Interface menu ............................Ethernet ............................ISDN ............................POTS (PSTN) ............................3G/UMTS ..............................Quality ..............................Enhanced Applications ............................Intercom ............................Dual Mode ............................Redundancy Record/Playback ........................... 59 ................................. Play menu ..............................Upload ..............................Tracks .................................
  • Page 5 Part Introduction...

  • Page 6: Part I Introduction

    For this and any other questions referring C11 please contact info@mayah.com. a) Transmission C11 is based on the core technology of one of the most powerful professional audio codec CENTAURI II. Live audio or recorded audio can be transmitted and received via the following interfaces: ·...
  • Page 7 C11 can also record the transmitted audio in linear format. This enables you to protocol all your transmissions. f) Playing during Transmission (depending on model) C11 enables to listen to an audio file while another audio is transmitted. So you can add pre-recorded material to a live audio feed. g) Intercom In Intercom mode besides the main connection a 'command connection' (e.g.

  • Page 8: Scope Of Delivery

    · If you want to use C11 for mobile transmission you need an 3G/UMTS or a WLAN card. · If you want to use C11 for recording you need either an SD/SDHC card, a PC memory card (e.g. Compact Flash card with PC Card adapter) or a USB storage device.
  • Page 9 Part First Start...

  • Page 10: Part Ii First Start

    · For later recording/playback insert either an SD/SDHC card or a USB stick or PC memory card (only advanced models) · For later mobile transmission insert either the original C11 3G/UMTS card or the original C11 WLAN card (only advanced models) ·...
  • Page 11 Communication interfaces · Ethernet port (10/100 LAN) This interface is available in all C11 models and can be used for both audio transmission and control · Optional communication interfaces (depending on model) 2nd Ethernet (10/100 LAN) (C1190/91) This interface can be used for main or redundant audio streaming.
  • Page 12 · C11 3G/UMTS card for IP-transmission via 3G/UMTS · C11 WLAN card for IP-transmission via WLAN · C11 POTS card for transmission via analog telephone lines · PC Memory card (e.g. Compact Flash card with PC card adapter for recording or config.

  • Page 13: Leds

    MAYAH communications for pin layout. f) Power supply connector Special Hirose HR10 port for C11 AC/DC power supply or MAYAH RPSU12. Use only an original MAYAH C11 power supply. MAYAH is not liable for damages caused by none-MAYAH equipment.

  • Page 14: Buttons

    Usually the buttons F1 - F3 are used to enter the referring sub menu items. The button F4 has got only 3 functions: · Press F4 for approximately 2 seconds to switch on C11 or to enter the switch off dialog.

  • Page 15: Graphic User Interface

    The scroll bar on right side indicates the position in the referring list. An empty scroll bar means that the whole list is shown on the screen. Scrolling is done by € pressing and holding cursor buttons Manual for C11 © 2010 MAYAH Communications...

  • Page 16: Switching On And Off

    4 seconds: cursor button and '0'. Note: C11 'remembers' the last power state i.e. if C11 has been turned off by removing power supply it starts up automatically as soon as power supply is back. Useful Hints 2.7.1...
  • Page 17 Note 2: If you want to control your C11 in your LAN it must be located in the same subnet as your PC i.e. when the digits of your binary net mask are '1' the referring digits of the IP address of your C11 and your PC must be the same.

  • Page 18: How To Access C11 Via Ftp

    2.7.4 How to update C11 firmware In some cases it can be necessary to update your C11. It can be done using the Web Remote Interface or directly using FTP. The update process should not be interrupted, otherwise the unit can be damaged.

  • Page 19: How To Activate Keycodes

    Update by using FTP · With a standard FTP client software access C11 using the credentials given in the chapter 'How to access C11 via FTP · Put the '.upd' File to the root directory of the unit ('/user/'), ensure that the file has been transferred entirely and restart (switch off and on) the C11.

  • Page 20: How To Reset C11

    SYSTEM/MISC/Factory Default. b) For all models it is possible to do by establishing a telnet session to the C11 or by using a telnet console in the SPECIAL area of the integrated web-remote and typing the direct command 'sys_reset factory'.
  • Page 21 Part Front panel user interface...

  • Page 22: Part Iii Front Panel User Interface

    Furthermore the System settings can be configured by pressing the F4 function key. In sub menu item of System settings the C11 can be switched off. For more information about the status elements consult chapter Front panel user...
  • Page 23 · stereo (operational mode) · 32 kHz (sample rate) · AAC (HE) (algorithm; coding format) · 64 kbps (bit rate) b) Signal strength (3G/UMTS) (depending on model) Best Good Sufficient Blinking symbol means 'no 3G/UMTS connectivity'. Manual for C11 © 2010 MAYAH Communications...

  • Page 24: Headphones

    (sending and receiving audio) not framed but connected (e.g. sending but not receiving at unidirectional IP connection) receiving only (e.g. at unidirectional IP connection) Blinking of the framing state indicator means that C11 is currently connecting (connection in progress). 3.1.1 Headphones Here the audio source and the volume for the headphone output on the front panel can be set.

  • Page 25: Structure Of Dialog And Navigation

    When menu bar item 'mem' is selected it can be changed between factory profiles and user profiles with the function keys F1 and F2. At this item 8 user profiles and 8 factory profiles can be loaded, edited or deleted. Manual for C11 © 2010 MAYAH Communications...

  • Page 26: User Profiles

    Escape to the main Mixer menu can be done by pressing F4 button. If certain Enhanced Application mode is activated on the C11, a new menu item 'SKINS' can appear under Mixer Profiles. Profiles at this item should only be modified by an advanced user.

  • Page 27: Skin Profiles

    Factory mixer profiles cannot be modified, therefore only one button 'Load' is available. 3.1.2.2.3 Skin profiles Skin profiles for C11 are only applied to particular Enhanced Application modes, e.g. to Dual Mode or Intercom. They are loaded automatically when one of the corresponding Enhanced Application modes is activated. See also chapter Codec/Setup/Enhanced Applications.

  • Page 28: Mixer Matrix

    Rec (advanced models) The level and the panning state of all possible inputs for recorded audio can be set. Levels are shown in the upper row whereas panning's are shown in the bottom row. Manual for C11 © 2010 MAYAH Communications...

  • Page 29: Setup

    Here the audio inputs 1 & 2 (left & right) can be configured separately. The selection of audio input is done by the | and } cursor keys. Choice between audio inputs Press OK button to open the dropdown menu with audio input options: Manual for C11 © 2010 MAYAH Communications...
  • Page 30 (digital, AES/EBU) c) mic (analog, mic level) (advanced models only) · Limiter The limiter guarantees that too high audio input levels are not just cut off (which caused big distortions) but softly clipped. Manual for C11 © 2010 MAYAH Communications...
  • Page 31 This feature prevents that low frequencies at audio input damages audio equipment. · 48 V Just available for microphone input 48 V phantom power enables to use C11 with condenser microphones · - 20 dB Just available for microphone input This feature enables the attenuate audio input by 20 dB.

  • Page 32: Mix Mode

    Mixer are set to defaults, since no audio from the audio inputs is provided to recorder by default. If you like to record the audio from the inputs of the C11 instead of the received signal, you may like to activate the second Factory mixer profile ("REC IN") in the menu...

  • Page 33: Aes

    AES Master This item activates or deactivates the AES Master mode. · On (default): C11 acts as the clock generator for AES audio interface · Off: digital audio will be clocked via the AES/EBU input if clock is supplied at...

  • Page 34: Codec/Transmission

    Connect menu In the connect menu all kinds of transmissions can be established by: · Last connections (F1) · Phone book entries (F2) · Direct dial (F3) The first screen shown is "Last Connections". Manual for C11 © 2010 MAYAH Communications...

  • Page 35: Last Connections

    Front panel user interface > Codec/Transmission 3.2.1.1 Last connections Here the last 10 connections established from this C11 are stored. Select one with the cursor keys and establish the referring connection with "dial". Note: If there is a phone book entry was used then the transmission will be established with the exact parameters of the phone book entry.

  • Page 36: Direct Dial Menu

    To send or receive a multicast stream just enter the multicast address here. Multicast connection usually cannot be a bi-directional one. Multicasting principles are explained in the MAYAH Application Note 9 (Part 1 & 2) If an existing phone book entry is edited or a new one is created it should be considered that some communication interfaces do not support all bit rates e.g.
  • Page 37 - sendrecv (bi-directional connection) - send (C11 acts as encoder) - recv ('receive', C11 acts as decoder) · IP-address/SIP-address At IP address the destination address can be entered. At SIP protocol also alphanumeric SIP addresses are possible.
  • Page 38 Front panel user interface > Codec/Transmission - sendrecv (bi-directional connection) - send (C11 acts as encoder) - recv ('receive', C11 acts as decoder) · IP-address/SIP-address At IP address the destination address can be entered. At SIP protocol also alphanumeric SIP addresses are possible.

  • Page 39: Status Menu

    This can be improved by setting a higher delay buffer (see Codec/ Setup/Interface/Ethernet) and/or by activation of the AJC (see System/Misc/ AJC) b) ISDN (C1140/41, C1160/61) Manual for C11 © 2010 MAYAH Communications...
  • Page 40 If ISDN number of connection partner cannot be shown '*****' is displayed · IMUX format in use (e.g. auto, J.52, Musictaxi etc.) · Name of the remote codec (only available if connection partner is a MAYAH codec). c) 3G/UMTS (optional, advanced models only) ·...
  • Page 41 This can be improved by setting a higher delay buffer (see Codec/ Setup/Interface/Ethernet) and/or by activation of the AJC (see System/Misc/ AJC) Note: Parameters shown in this screen cannot be modified. Manual for C11 © 2010 MAYAH Communications...

  • Page 42: Coding

    · Ethernet (always available) · ISDN (depends on model) · 3G/UMTS (depends on model; optional) · POTS (depends on model; optional) · WLAN (depends on model; optional; future option) · ASI (depends on model) Manual for C11 © 2010 MAYAH Communications...

  • Page 43: Ethernet

    Front panel user interface > Codec/Transmission 3.2.3.1.1 Ethernet Here the IP settings can be done for internal electrical network card of C11. For C1191 Advanced Dual IP Codec the IP settings can be done for both Ethernet interfaces separately. The following parameters can be set:...
  • Page 44 Account Id Here the SIP registration profile can be selected. C11 allows to store 5 independent SIP profiles of which only one can be active at a time. The Account Id is used to select the SIP-Account that can be edited or (de-)activated.

  • Page 45: Isdn

    Here the password of the registration access data can be entered. 3.2.3.1.2 ISDN Here the settings can be done for the 4 internal ISDN S interfaces of C11 (only C1140/41, C1160/61). a) Channel This item enables to set the MSN/ID and/or the SPID for every of the available 8 B-channels.
  • Page 46 · Multiple ISDN devices using the same ISDN service uses one ISDN bus (e.g. C11 and telephone are connected to the same ISDN bus) · C11 is connected to a PBX (= P rivate B ranch E xchange) Note: If a C11 is connected directly to an ISDN DSS1 S bus and no other device shares this ISDN bus then no MSN's must be entered.
  • Page 47 PBX (=P rivate B ranch E xchang e) PBX and PBX digits When C11 is connected to a PBX or ISDN switch, it is often necessary to add a number for external access (e.g. 9). PBX digits determines the number of digits BEFORE the 'additional preceding PBX number' becomes valid.
  • Page 48 · Speech (default and standard) · Telephony e) Redials Redials - defines the number of Redials which will be attempted. A Redial will occur if the other party cannot be reached either through being busy, Manual for C11 © 2010 MAYAH Communications...

  • Page 49: Pots (Pstn)

    PBX (=P rivate B ranch E xchange ) and PBX digits When C11 is connected to a PBX switch, it is often necessary to add a number for external access (e.g. 9). PBX digits determines the number of digits BEFORE the 'additional preceding PBX number' is preceded.

  • Page 50: Umts

    (see Codec/Status/Interface) Due to the usually very limited bandwidth at POTS connections the most efficient MPEG-4 HE-AACv2 (AAC HE) stereo is used by C11, no matter which Codec Quality has been chosen previously. C11 evaluates the quality of current connection and adjusts the bit rate automatically.
  • Page 51 If AJC is activated the delay value set here will be added to the value measured by AJC (see System/Misc/AJC) General note: Usually just PIN and APN must be entered. If you are unsure about PIN, APN, Username and Password, please contact your mobile service provider. Manual for C11 © 2010 MAYAH Communications...

  • Page 52: Quality

    · AptX nosync Dual Mono (optional): - Algorithm: AptX no sync - Sample rate: 32 kHz - Bit rate: 256 kbps - Mode: Dual Mono · AptX Mono (optional): - Algorithm: AptX - Sample rate: 32 kHz Manual for C11 © 2010 MAYAH Communications...
  • Page 53 - Sample rate: 24 kHz - Bit rate: 64 kbps - Mode: Mono · L2 Joint Stereo: - Algorithm: MPEG L2 - Sample rate: 32 kHz - Bit rate: 128 kbps - Mode: Joint stereo Manual for C11 © 2010 MAYAH Communications...
  • Page 54 - Mode: Mono · Linear Stereo: - Sample rate: 48 kHz - Bit rate: 1,536 kbps (1.5 mbps) - Mode: Stereo The selected quality profile can be activated by stepping to the 'save' icon and Manual for C11 © 2010 MAYAH Communications...
  • Page 55 Note: New quality profiles with the desired coding settings can be created any time by using the integrated Web Remote of the C11 (Menu SETUP / Profile). Manual for C11 © 2010 MAYAH Communications...

  • Page 56: Enhanced Applications

    '0' button for approx. 3 seconds. Note: Intercom mode is optional and can be activated by entering a key code to the device. Contact MAYAH if you need this option. 3.2.3.3.2 Dual Mode Dual Mode (C1140/41, C1160/61 only) enables establishing of two independent ISDN connections.

  • Page 57: Redundancy

    To reduce the risk of packet loss and to increase the reliability of a connection C1190/91 are capable of doubling the IP stream to send it via a secondary network interface to physically separated networks. With this redundancy the total error rate can be reduced significantly. Manual for C11 © 2010 MAYAH Communications...
  • Page 58 RTP port plus 1000. E.g. default RTP port for audio streaming is 5004, hence the redundancy connections will be done via the port 6004. For more details on Redundancy Streaming implemented by MAYAH you may also check an Application Note No. 28 in the Support/Downloads section at www.mayah.com...

  • Page 59: Record/Playback

    Front panel user interface > Record/Playback Record/Playback The play / record menu represents the recorder functionality of C11. This feature is provided in following C11 models (advanced models): · C1150, C1151, C1155 · C1160, C1161 · C1190, C1191 Recorder functionality means that audio can be recorded in files and existing files can be played back from supported storage media.

  • Page 60: Play Menu

    - L2 for MPEG L2 - L3 for MPEG L3 - AAC for MPEG-4 AAC - HE for AAC (HE) - LIN or PCM for linear · Bit rate in kbps (only shown for MPEG algorithms) Manual for C11 © 2010 MAYAH Communications...

  • Page 61: Upload

    · FTP Client: Active / Passive (default) · Host: URL or IP-address of the FTP upload server · User · Password · Path: desired path at the FTP upload server (no path means 'root directory') Manual for C11 © 2010 MAYAH Communications...

  • Page 62: Tracks

    FTP server, it will be overwritten without further notice. · IFace: interface to use for the next upload (default: LAN/Ethernet). If any further IP-based interface like 3G or WLAN are currently available on the C11 it can be selected to carry on the upload.

  • Page 63: Record Menu

    Markers can only be set for the files in BWF format (usually PCM WAV, L2 or L3 files). 3.3.2.1 Setup In this screen the following recording parameters can be set: · Quality (i.e. coding algorithm, bit rate, sample rate etc.) · Storage (selection of the storage media) Manual for C11 © 2010 MAYAH Communications...

  • Page 64: Quality

    - Sample rate: 48 kHz - Bit rate: 128 kbps - Mode: Joint stereo · L3 Stereo: - Algorithm: MPEG L3 - Sample rate: 48 kHz - Bit rate: 192 kbps - Mode: Stereo Manual for C11 © 2010 MAYAH Communications...

  • Page 65: Storage

    · SD card · USB media · PC card If multiple storage devices are available, the desired medium for recording can be ~ € chosen with the cursor buttons and confirmed by pressing OK button Manual for C11 © 2010 MAYAH Communications...

  • Page 66: Card Menu

    Usually storage media are preformatted by factory default. If this is not the case, this utility provides the possibility to format a storage media and prepare it for use with the C11, as well as with any standard PC or mobile devices. Format will delete all data on the storage media.

  • Page 67: System

    Ren Rename selected configuration c) New Save all current settings of the C11 in a macro. First the name of the macro is been requested which can be 128 chars long. d) Del Deletes an already existing configuration macro in the list.

  • Page 68: Miscellaneous

    Front panel user interface > System 3.4.2 Miscellaneous At miscellaneous menu the general settings of C11 can be defined or requested. ~€ The different items can be selected via a list box with the cursor buttons The currently chosen item is highlighted.

  • Page 69: Lcd Display

    ° or any of the system voltages is out of tolerance range (voltages can be monitored using SNMP or direct commands). 3.4.2.5 Versions Here the firmware version of the C11 is displayed. 3.4.2.6 Connections a) Accept Mode Here can be set if incoming calls (via Ethernet, ISDN, UMTS/3G, POTS or...

  • Page 70: User Interface

    "remaining time" (default). See also chapter Play menu. 3.4.2.9 Factory Default This menu item allows to reset the C11 to its factory defaults using front panel user interface. Please consult the chapter Useful Hints/How to reset C11 before using this function! 3.4.2.10 Timeouts...

  • Page 71: Ajc

    Note: This timeout can be helpful if a remote session was interrupted by the network (e.g. faulty switch) and new remote control attempts are blocked by C11 since it is 'convinced' it is still remote controlled (but it isn't). 3.4.2.11 AJC...

  • Page 72: Export Configuration

    Introduction/Useful Accessories) C11 also can transmit/receive ancillary data. To initiate the adapter it must be connected to a C11 at start up. When adapter is active a blue LED lights up on its body. The following ancillary data parameters can be set: ·...

  • Page 73: Switch Off

    Since "cancel" is the default selection just pressing the OK button (which can happen accidentally) has no effect. To switch off C11 the user must first press the cursor button } to select "OK" and then confirm this selection by pressing the OK button.
  • Page 75 Part How to use for...

  • Page 76: Part Iv How To Use For

    Quality Profile at REC/REC/Setup/Quality. Sampling rate of the recording will be automatically adjusted to match the sampling rate of the running transmission. d) Typical Applications Manual for C11 © 2010 MAYAH Communications...

  • Page 77: Playback During Transmission

    · Nice background music for your live contribution · Previously recorded material can be transmitted later · Automatic playback of files in case of primary connection failure Note: This functionality can be provided by using MAYAH Event Action Programming. Please contact MAYAH Communications...
  • Page 79 Part Technical specifications...

  • Page 80: Part V Technical Specifications

    Blue IP models with second Ethernet card • • • • C1190 2* Ethernet Orange • • • • • • C1191 2* Ethernet Orange Legend: • : implemented - : not implemented Manual for C11 © 2010 MAYAH Communications...

  • Page 81: General Technical Data

    Line out 2x XLR, mono, balanced Headphones out 1x 1/4" (6.3 mm) phone jack (TRS), stereo, unbalanced IT interfaces Ethernet (IEEE 802.3) 10/100 Mbit/s, RJ45 A-type B-type, mini USB card slot (advanced models) Manual for C11 © 2010 MAYAH Communications...
  • Page 82 Temperature for short term operation 5 to 45°C (41 to 113° F) Weight Device 2,55 kg Standard Power Supply 0,15 g Dimensions Width 219 mm (8.62 inch) Height 45 mm (1.77 inch) Depth 280 mm (11.02 inch) Manual for C11 © 2010 MAYAH Communications...

  • Page 83: Index

    Direct dial menu Analog Disconnect timeout Ancillary Data Display option Answer time Dropped packets apt-X DSS1 ASI out Dual Ethernet Attenuation -20 dB Dual IP 16, 57 Audio settings setup Dual Mode Auto restore Automatic Jitter Compensation © 2010 MAYAH Communications...
  • Page 84 Manual for C11 - E - - H - Elapsed time Handshake emergency USB stick Headphones Enhanced Applications Hirose HR10 Enter characters How to use for How to use for playback during transmission Establish connection How to use for record while transmission...
  • Page 85 MSN (Multiple Subsciber Number) Relay Out Multicast Remaining time Mute Remote control timeout - N - Repeat playback Reset 20, 70 Resume connection Netmask RPSU RS232-USB Adapter 8, 72 - O - Optional algorithms Opto In © 2010 MAYAH Communications...
  • Page 86 Manual for C11 Update firmware - S - Upload USB A-Type connector Scope of Delivery USB mini port Scrollbar USB stick SD card 10, 65, 66 USB stick FTP access SD card FTP access USB storage device SD memory card...
  • Page 87 MAYAH Communications GmbH Am Soeldnermoos 17 85399 Hallbergmoos Germany Tel.: +49 (0) 811 5517-0 Fax: +49 (0) 811 5517-55 info@mayah.com www.mayah.com...

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