[
    {
        "role": "user",
        "content": "what%20is%20the%20best%20microphone%20for%20the%20olympus%20dx770"
    },
    {
        "role": "assistant",
        "content": "If you're looking for the best external microphone for the Olympus DM-770 (often referred to simply as the \u201cDX770\u201d in casual contexts), here are the key details you need to match \u2014 followed by some top mic recommendations and tips to get the best recordings.\n\n---\n\n## What to look for: DM-770 mic input specs\n\nThe Olympus DM-770 comes with the following mic-input features and limitations:  \n\n- 3.5 mm microphone jack (mini-TRS) with impedance around **2 k\u03a9**. ([my.omsystem.com](https://my.omsystem.com/consumer/manuals/audio/DM-770_EN_MANUAL.pdf?utm_source=openai))  \n- It supports **plug-in power** (sometimes called \u201cplug-in power\u201d or \u201cbias voltage\u201d), meaning condenser microphones that are *not* self-powered or battery-powered can still get their required voltage from the recorder. (But verify this specifically for your unit.) ([my.omsystem.com](https://my.omsystem.com/consumer/manuals/audio/DM-770_EN_MANUAL.pdf?utm_source=openai))  \n- Frequency range of the recorder is wide: up to ~23 kHz in PCM mode; microphone frequency response ideally should match or exceed around 20 Hz\u201320 kHz for best clarity. ([my.omsystem.com](https://my.omsystem.com/consumer/manuals/audio/DM-770_EN_MANUAL.pdf?utm_source=openai))  \n\n---\n\n## Mic types and features to match your use-case\n\nDepending on your needs, these are the types of microphones most commonly used with recorders like the DM-770:\n\n- **Lavalier / tie-clip mics**: great for interviews, lectures, or when you want to pick up speech clearly without holding the recorder.  \n- **Directional / shotgun-style TRS mics** (battery-powered or matching the plug-in power spec): good for reducing background noise, focusing on a single speaker.  \n- **Stereo boundary or room mics**: useful in meetings, conferences, musical performances, especially if you want a wider sound stage.  \n\n---\n\n## Top external mic recommendations\n\nHere are a few mics known to work well with the DM-770, based on the specs above and user experience.\n\n| Microphone | Type / Pattern | Why it\u2019s a good fit | Things to check |\n|---|---|---|---|\n| **Olympus ME-51S** | Directional stereo \u201cT-bar\u201d plug-in mic (electret condenser) | Plugs directly into the 3.5 mm input, matches impedance (\u22452 k\u03a9), frequency response ~100 Hz-15 kHz. Good clarity, especially for voice and indoor settings. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1744231-REG/om_system_v4201200e000_me_51s_stereo_microphone.html?utm_source=openai)) | Might need to roll off low end if you don\u2019t want bass rumble; sensitivity around -40 dB means louder sources or gain reduction may be needed. |\n| **Olympus ME-33 Boundary Microphone** | Boundary / room mic | If you're trying to cover a large meeting table or capturing multiple participants, this extends the coverage. Mentioned in context with Olympus recorders. ([weloty.com](https://weloty.com/best-microphone-for-voice-recorder/?utm_source=openai)) | Set up properly (flat surfaces), avoid placing near noise sources, and remember gain will need tweaking. |\n| **Clip-on lavs that use plug-in power** (e.g. basic condenser lav microphones) | Omni-directional | Hands-free; use a small electret lav mic designed for voice recording. If it\u2019s plug-in power compatible, the recorder will power it. These often yield cleaner voice capture for distance. | Ensure the lav\u2019s power requirements match what the DM-770 can supply; check connectors\u2014TRS vs TRRS\u2014and physical durability. |\n| **Directional 3.5 mm battery-powered \u201cshotgun\u201d mics** | Cardioid / supercardioid | If you want sound focused straight ahead, great for video with your DM-770 or outdoor use. A battery-powered mic avoids dependency on the recorder\u2019s power. | Bulkier; battery management; check weight and how you mount it. Also watch for hiss if gain turned up high. |\n\n---\n\n## Best overall / \u201csafe\u201d pick for most users\n\nIf I had to pick one external mic that works the best for most people using the DM-770, it\u2019d be the **Olympus ME-51S**. It offers a good balance:\n\n- Matches the input specs (3.5 mm, ~2 k\u03a9 impedance) without needing external batteries. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1744231-REG/om_system_v4201200e000_me_51s_stereo_microphone.html?utm_source=openai))  \n- Stereo capture helps in lectures / ambient environments.  \n- Compact and affordable.  \n\nFor better clarity, pair it with good gain control on the recorder (set gain manually if possible, avoid automatic boost unless it's good quality), and use a windscreen or pop filter if in situation where plosives, wind, or breath noise occur.\n\n---\n\nIf you tell me what kind of recordings you\u2019ll do \u2014 lectures, interviews, music, field recording \u2014 I can suggest a shortlist based on your budget that fits *exactly* what you need."
    },
    {
        "role": "user",
        "content": "reading%20books"
    },
    {
        "role": "assistant",
        "content": "Reading books (audiobooks, narration) changes which microphones are best. Because narration focuses on clarity, warmth, and minimal background noise, your setup needs to prioritize those. The Olympus DM-770 has limitations that shift your options toward either being self-powered mics that plug into its 3.5 mm input, or recording externally with a USB/XLR mic into your computer and then syncing/using that file.\n\nHere are tailored recommendations for narration + what to consider to get professional results.\n\n---\n\n## What matters most for reading / narration\n\n- **Clear voice capture** \u2014 strong mid-range (200-4000 Hz) clarity; avoid harsh brightness or excessive sibilance.  \n- **Low self-noise** \u2014 silence matters when no music or effects mask imperfections.  \n- **Good isolation** \u2014 dynamic or directional patterns help avoid room echo or background hum.  \n- **Pop filtering / plosive control** \u2014 for \u201cp\u201d and \u201cb\u201d sounds, use a pop shield or use a mic with built-in protection.  \n- **Consistent distance & positioning** \u2014 to keep your voice levelled and sounding natural.  \n\n---\n\n## Can you use a mic with the DM-770 for narration?\n\nYes \u2014 but you'll be somewhat limited:\n\n- The DM-770 offers a **3.5 mm mic input** that\u2019s designed for plug-in power and has a specified impedance (~2 k\u03a9). This works for small electret mics and plug-powered directional mics.  \n- For highest quality narration (like professional audiobooks), people generally use **USB or XLR mics with good preamps**, record directly to a computer or audio interface, then edit / master.  \n\nSo if you're aiming for audiobook quality, using an external mic + PC workflow is usually better. If you have to go with the recorder, pick the best electret mic that matches plug-in power and impedance.\n\n---\n\n## Best mic types suited for narration\n\n| Type | When it\u2019s good | Trade-offs |\n|---|---|---|\n| **Large-diaphragm condenser (USB/XLR)** | Warm, detailed sound; used in most audiobook recordings. | Sensitive to room noise; requires quiet room and possibly acoustic treatment. Needs separate power/phantom power if XLR. |\n| **Dynamic mic** | Better in untreated rooms because less sensitive; more forgiving of ambient noise. | Less detailed high end; you need to speak close to the mic. |\n| **Electret condenser / small directional plug-in mics** | Works when using DM-770 directly; compact; doesn\u2019t need an external interface. | Limited warmth and control; possibly lower fidelity vs pro mics. |\n\n---\n\n## Mic suggestions\n\nHere are solid mics for narration, split by workflow:\n\n### Using the DM-770 directly\n\n- **Olympus ME-51S** \u2014 a stereo electret mic that plugs into the 3.5 mm input, matches impedance. Good clarity for narration in quiet rooms.  \n- **Omnidirectional electret lavaliers** (check for plug-in power) \u2014 you could clip them near your collar or chest if holding the recorder is awkward. Just beware handling noise.\n\n### Using a computer or interface (best quality)\n\nIf you can record via USB/XLR, these are excellent options:\n\n- **Audio-Technica AT2020** \u2014 affordable large\u2010diaphragm condenser; solid clarity; loved for its natural sound in narration. ([hollyland.com](https://www.hollyland.com/en/blog/microphone/microphones-for-audiobook-recording?utm_source=openai))  \n- **R\u00d8DE NT1-A** \u2014 known for very low self-noise; smooth and forgiving. ([hollyland.com](https://www.hollyland.com/en/blog/microphone/microphones-for-audiobook-recording?utm_source=openai))  \n- **Shure SM7B** \u2014 a broadcast favorite; great for deep, rich narration; good at rejecting background noise. Needs high gain but very good when mic technique is right. ([hollyland.com](https://www.hollyland.com/en/blog/microphone/microphones-for-audiobook-recording?utm_source=openai))  \n- **Dynamic USB/XLR hybrids** like the **ATR2100x-USB** or **Samson Q2U** \u2014 versatile, okay budget, forgiving of less perfect rooms. ([thepodcasthost.com](https://www.thepodcasthost.com/equipment/best-budget-mic-options/?utm_source=openai))  \n\n---\n\n## What to do to improve results\n\nEven the best mic won\u2019t help if the setup is poor. Here are some practical tips:\n\n1. **Record in a quiet space**: turn off fans, close windows, use soft surfaces (curtains, carpets) to reduce echoes.  \n2. **Use a pop filter or foam windscreen**: even handheld microphones can benefit.  \n3. **Mic placement**: around 4\u20138 inches from mouth, slightly off-axis (about 20-30\u00b0) to reduce sibilance and breathing noise.  \n4. **Consistent distance**: hold or fix the mic steady so levels stay uniform across long sessions.  \n5. **Monitor sound levels**: don\u2019t let peaks clip; leave headroom (~-6 dB) to avoid distortion.  \n6. **Edit & post-process**: clean up breaths, apply gentle EQ (roll off very low rumble, tame sibilance), use light compression if needed.  \n\n---\n\n## What I\u2019d recommend for you\n\nIf you\u2019re aiming to narrate books and want credible, listenable quality:\n\n- If budget allows: get a USB/XLR condenser mic like the **AT2020** or **R\u00d8DE NT1**, record onto your computer and export WAV/FLAC.  \n- If you must use the DM-770 directly: get the **ME-51S** stereo electret, record in the quietest room possible, use pop filter, close mic technique.  \n\nIf you tell me how much you\u2019re willing to spend and whether you want to use the DM-770 only or also a PC, I can pick 2-3 specific mics in your price range. Do you want me to pull together those options for your budget?"
    },
    {
        "role": "user",
        "content": "what%20is%20the%20latest%20olympus%20recorder%20and%20details%20on%20it%20please"
    },
    {
        "role": "assistant",
        "content": "Here\u2019s a look at the *latest* Olympus / OM System audio recorders and what they offer \u2014 especially useful if you're considering an upgrade. I'll highlight the newest models, compare them, and help you see which one might suit your needs.\n\n---\n\n## Current top models in Olympus / OM System audio recorders\n\n### OM System DS-9100  \nThe DS-9100 is among the most recently released. It\u2019s intended for professional dictation and voice-capture in environments where clarity, security, and ease of editing matter. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \nKey features:\n\n- Two built-in microphones with beam forming to reduce ambient noise from sides/back. Modes include **Dictation, Conference**, and sensitivity settings (High/Mid/Low). ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n- Supports **DSS**, **MP3**, and **PCM (WAV)** formats. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n- 2 GB internal memory and external **SD card slot** (up to 32 GB). ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n- Full color LCD (~2.4-inch), a *4-position slide switch* for fast recording control, insert/overwrite recording modes. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n- 256-bit AES encryption (in DSS Pro), PIN lock, and read-only mode USB for securing files. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n- Battery: Rechargeable lithium-ion, with up to **~56 hours** of recording life. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n- Durable design: drop test up to 1.5 m, alcohol-wipe resistant surface. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n\n---\n\n### OM System DS-9500  \nReleased slightly earlier than the DS-9100, the DS-9500 is still a very capable, mature option. It\u2019s designed for secure dictation workflows with many of the same core features as the DS-9100. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9500/?utm_source=openai))  \nStandout specs:\n\n- Dual microphones with three modes (Dictation 1: quiet; Dictation 2: noisy; Conference). ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9500/?utm_source=openai))  \n- Formats: **DSS / DSS Pro**, **MP3**, **PCM (WAV)**. Wide codec support. ([audiosupport.omsystem.com](https://audiosupport.omsystem.com/en/product/ds-9500/?utm_source=openai))  \n- Screen: 2.4-inch color TFT; storage: 2 GB built-in, SD/SDHC support. ([audiosupport.omsystem.com](https://audiosupport.omsystem.com/en/product/ds-9500/?utm_source=openai))  \n- Slide switch control, voice-activated recording options (VCVA). ([audiosupport.omsystem.com](https://audiosupport.omsystem.com/en/product/ds-9500/?utm_source=openai))  \n- Similar battery life ranges depending on format and mode\u2014roughly 9-10 hours for continuous recording in higher fidelity modes. ([audiosupport.omsystem.com](https://audiosupport.omsystem.com/wp-content/uploads/2021/11/DS-9500_DS-9000_MANUAL_EN.pdf?utm_source=openai))  \n\n---\n\n### OM System DM-720  \nIf you want something more compact but still capable, the DM-720 delivers on portability + quality, especially for meetings & interviews. ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720?utm_source=openai))  \nImportant features:\n\n- **Tresmic** system: three mics (two for stereo, one center) for better stereo image + mid-range pickup. ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720-silver?utm_source=openai))  \n- Formats: MP3 and PCM (WAV). High resolution recording (usually up to 96 kHz/24-bit). ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720?utm_source=openai))  \n- Storage: 8 GB internal; microSD expansion up to 32 GB. ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720?utm_source=openai))  \n- Long battery life: up to **52 hours** depending on mode. ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720?utm_source=openai))  \n\n---\n\n### Compact \u201cnotes\u201d recorders: WS-883  \nFor simple voice notes, lectures, or class/meeting minutes, the WS-883 is an entry-level but very usable model. ([explore.omsystem.com](https://explore.omsystem.com/us/en/ws-883?utm_source=openai))  \nKey points:\n\n- 8 GB internal memory + microSD expansion. ([explore.omsystem.com](https://explore.omsystem.com/us/en/ws-883?utm_source=openai))  \n- Stereo mic, MP3/PCM recording, built-in speaker & low cut filter; long battery life (over 100 hours in low fidelity MP3 modes). ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1758641-REG/olympus_v420340bu000_ws_853_digital_voice_recorder.html?utm_source=openai))  \n\n---\n\n## Which is the \u201clatest\u201d & what is best depending on use?\n\nWhen people ask \u201clatest Olympus recorder,\u201d it depends heavily on **what kind of recording** and **how much editing or quality you need**.\n\n- For *professional narration, interviews, or legal/medical dictation* \u2192 **DS-9100** is the top current model: newest, most secure, most versatile.  \n- If cost is a concern but advanced features are still important \u2192 **DS-9500** is mature and dependable.  \n- For more general use, lectures, or podcasting on a budget \u2192 **DM-720** or even **WS-883** for lighter, simpler tasks.  \n\n---\n\nIf you like, I can pull up a spec comparison table between your current DM-770 and the DS-9100 and other recent ones so you can see what you gain \u2014 that way you can decide whether it\u2019s worth upgrading. Would that be helpful?"
    },
    {
        "role": "user",
        "content": "do%20any%20of%20the%20above%20have%20the%20voice%20guidance%20for%20blind%20people%20on%20them%20like%20the%20dx770"
    },
    {
        "role": "assistant",
        "content": "Here\u2019s what I found out about voice guidance (\u201cvoice prompts,\u201d \u201cvoice guidance,\u201d or spoken menu help) in the Olympus / OM System models (DS-9100, DS-9500, DM-720) to see whether they have features similar to the DX-770 for blind users.\n\n---\n\n## Olympus DM-720\n\n**Yes \u2014 the DM-720 has voice guidance**. It offers spoken menu prompts and system guidance to assist visually impaired users. ([manuals.plus](https://manuals.plus/olympus/dm-720-digital-recorder-manual?utm_source=openai))\n\nHere are key accessibility features confirmed for the DM-720:\n\n- **Voice Guidance option**: under \u201cLCD/Sound Menu \u2192 Voice Guidance\u201d you can turn it on or off. ([manuals.plus](https://manuals.plus/olympus/dm-720-digital-recorder-manual?utm_source=openai))  \n- **Full speaking of most functions**: includes folder navigation, menu settings, battery status in broad terms, date/time, etc. ([manuals.plus](https://manuals.plus/m/8cca2887ccaaa6e266e7e12841faaf2a8539ae3eda768ff3eca1d2e310f966aa.pdf?utm_source=openai))  \n- **User testimonials from visually impaired users**: people report relying solely on the voice guidance and beeps for operation. ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720-silver?utm_source=openai))\n\n---\n\n## Olympus / OM System DS-9500 and DS-9100\n\nI found **no evidence** that the DS-9500 or DS-9100 have built\u2013in voice guidance or spoken menu prompts or similar full voice-navigation support for blind users.\n\nHere\u2019s what I found:\n\n- **DS-9500 manual**: describes features like indexes, verbal comments (in recording), network transfer, etc., but doesn\u2019t mention voice prompts or spoken guidance through menus. ([manualslib.com](https://www.manualslib.com/manual/1452769/Olympus-Ds-9500.html?utm_source=openai))  \n- **DS-9100 features**: talks about encryption, mic modes, large color screen, slide switches, DAGI formats, etc., but nothing in the spec sheets or brochures indicates spoken feedback or voice assistance. ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai))  \n\n---\n\n## Comparison vs. the DX-770\n\nSince you already have the DX-770 and it has voice guidance for blind users, here's how these compare:\n\n| Recorder | Has voice prompts / spoken guidance? |\n|---|---|\n| DX-770 | Yes (menus/prompts in speech) |\n| DM-720 | Yes \u2014 similar functionality for most menus/functions ([manuals.plus](https://manuals.plus/olympus/dm-720-digital-recorder-manual?utm_source=openai)) |\n| DS-9500 | No evidence in manuals/specs; feature not listed ([manualslib.com](https://www.manualslib.com/manual/1452769/Olympus-Ds-9500.html?utm_source=openai)) |\n| DS-9100 | No mention in features or spec sheets; nothing listed in Terms of \u201caccessibility\u201d or \u201cvoice guidance\u201d ([dictation.omsystem.com](https://dictation.omsystem.com/en/product/ds-9100/?utm_source=openai)) |\n\n---\n\n## Verdict & suggestion\n\nIf voice guidance is a must for your workflow (navigation by sound rather than sight):\n\n- **Stick with DM-series devices** like the DM-720 or DX-770. The DM-720 confirms strong voice guidance features.  \n- If considering DS-series models (like DS-9100 or 9500) primarily for their upgrading potential, just note: **no promise of voice guidance**. You might lose that if you upgrade to those.\n\nIf you want, I can double-check whether there are firmware updates\u2014maybe the newer DS models *added* voice guidance since their specs\u2014but officially as of the latest documentation, that feature seems *exclusive to the DM line.*"
    },
    {
        "role": "user",
        "content": "what%20is%20the%20best%20dx%20or%20dm%20model%20with%20voice%20guidance%20for%20the%20blind"
    },
    {
        "role": "assistant",
        "content": "If you\u2019re looking for Olympus/OM System models (DX / DM lines) with good voice guidance for blind users, here\u2019s what I found\u2014there are a few strong candidates, and one clear standout.\n\n---\n\n## Top Olympus/OM System models with strong voice guidance\n\n### DM-720\nThis is probably the best current model with voice guidance for blind users. Its features include:\n\n- Voice Guidance system that speaks almost every function\u2014menu navigation, folder organization, setup, etc.\u2014and it can be turned on or off. ([independentliving.com](https://independentliving.com/olympus-digital-recorder-dm-720/?utm_source=openai))  \n- Clear verbal announcements not just for basic features but also during set up. It speaks items such as date/time, folder changes, etc. ([independentliving.com](https://independentliving.com/content/2022_ILA_Full_Catalog.pdf?srsltid=AfmBOor3q_6jFeLWgpbDTlauvFc9bV-pRshcOWOogMaOaKY4-iU1tr4f&utm_source=openai))  \n- Good hardware specs: 4 GB internal memory plus microSD expansion, high-quality recording formats (PCM/WAV & MP3), three-mic setup (\u201ctre-mic\u201d) for better stereo and voice clarity. ([independentliving.com](https://independentliving.com/olympus-digital-recorder-dm-720/?utm_source=openai))  \n- Feedback from blind users praises it for voice guidance and usability mostly without sight. ([explore.omsystem.com](https://explore.omsystem.com/us/en/dm-720-silver?utm_source=openai))  \n\n---\n\n### DM-670\nAn older model, but also includes voice guidance.\n\n- The DM-670 provides *a Voice Guidance system* among its features, which helps with navigating without needing to see the display. ([hcd.co.za](https://www.hcd.co.za/products/digital-dictation/consumer-solutions/voice-music-recording/olympus-dm-670/?utm_source=openai))  \n- Other features: up to 8 GB internal memory, multiple recording formats, plus features like multiple microphones and numerous scene modes. But note: it\u2019s an older model and probably harder to find new. ([hcd.co.za](https://www.hcd.co.za/products/digital-dictation/consumer-solutions/voice-music-recording/olympus-dm-670/?utm_source=openai))  \n\n---\n\n### Older DM models: DM-620, DM-520, DM-420, DM-2 etc.\nThese are well-known among blind users. They all generally support voice guidance to allow nonvisual navigation of the menus.\n\n- The DM-620 is named specifically as accessible (voice guidance through many of the recorder\u2019s settings and features). ([blindtechnology.wordpress.com](https://blindtechnology.wordpress.com/2011/08/06/olympus-digital-recorders-still-accessible-to-the-blind/?utm_source=openai))  \n- Other models in that line (DM-420, DM-520, DM-2, etc.) share similar function sets. ([blindtechnology.wordpress.com](https://blindtechnology.wordpress.com/2011/08/06/olympus-digital-recorders-still-accessible-to-the-blind/?utm_source=openai))  \n\n---\n\n## Comparison & recommendation\n\nHere\u2019s how the main options compare, especially for someone who relies heavily on voice guidance.\n\n| Model | Pros for blind users | Potential drawbacks / trade-offs |\n|---|---|---|\n| **DM-720** | Best voice guidance options, modern hardware, good battery life, highly praised by blind users. Probably strongest \u201cout of the box\u201d solution. | Slight learning curve; some features (date/time, advanced modes) still easier with sight initially; screen still present though not needed most of the time. |\n| **DM-670** | Voice guidance + more microphones; richer audio features. | Older model; harder to get; possibly less firmware support; might have more seldom-used non-audible settings. |\n| **DM-620 etc.** | Affordable; established among blind user community; fully voice-guided menus. | Older tech; fewer features (audio quality, memory, battery) compared to newer models; might be prone to wear. |\n\n---\n\n## Verdict: Best choice\n\nIf you want the best current option, **DM-720** is your clear pick. It combines modern audio quality, reliable hardware, and strong voice guidance. If you can find a DM-670 in good condition, that\u2019s a solid backup, especially if your priority is voice guidance over newest specs.\n\nIf you like, I can check what the DM-770 offers (since you already have it) compared to the DM-720 in terms of voice guidance, to see how much extra benefit there is. Do you want me to do that?"
    }
]